Where is your English actually weak?
An 8-question rapid triage that diagnoses the 4 core English habits costing you manuscript acceptances and interviews — and routes you directly to your study units
Read this before you start
This is not an English test. It does not produce a grade and it is not a judgement of your intelligence or your science. It is a diagnostic instrument — the same logic as a lab panel. It tells you which of twelve specific error classes you are producing, so that you spend your study time on the three or four that are actually holding you back instead of re-reading grammar rules you already follow correctly.
Almost every medical writer trained in India makes errors from a small, highly predictable set. There are twelve classes. Most people have serious problems in three or four of them and are fine in the rest. Studying all twelve is a waste of your time.
Articles: a, an, the, and nothing
The single largest error class in Indian scientific English — and the one that never clears by itself, because your first language gave you nothing to transfer
This is why article errors survive long after every other error in your writing has been fixed, and why reading more English does not repair them. Reading builds recognition. Articles are a production skill. Only drilling fixes them.
The three-question test
Forget the grammar-book rules. Every article decision in scientific writing can be resolved by asking three questions in order. Run them on the noun, not on the sentence.
| Ask | If yes | Worked example |
|---|---|---|
| 1. Can I count this noun? Can I say “two of them”? | If no → use no article. Stop here. | Evidence supports this approach. Not an evidence, not evidences. |
| 2. Am I talking about the whole class in general, using a plural? | If yes → use no article. Stop here. | Patients with diabetes have a higher risk. Diabetic patients everywhere, not one cohort. |
| 3. Does the reader already know exactly which one I mean? | Yes → the. No → a / an. | We enrolled a patient with EGFR mutation. The patient received osimertinib. |
A or an — listen, do not read
The choice follows the sound of the next word, not its spelling. This matters constantly in medical writing because abbreviations are everywhere and their spelling lies about their sound.
The four traps in clinical text
Recognition drills
The nine fixes:
1. The lung cancer → Lung cancer — a disease named in general takes no article.
2. is leading cause → is the leading cause — superlative, only one.
3. the cancer death → cancer death — generic, uncountable.
4. In present study → In the present study — present identifies it.
5. evaluated efficacy → evaluated the efficacy — “of pembrolizumab” pins it down.
6. the pembrolizumab → pembrolizumab — drug names never take an article.
7. the informations → information — uncountable, no article, no s.
8. A median follow-up → The median follow-up — median means there is only one.
9. the survival benefit → a survival benefit — first mention, unspecified, and hedged.
Score yourself: 8–9 correct means you have the rule. 5–7 means recognition without production — repeat this drill in three days. Below 5 means do not move on yet.
Tense: the IMRAD tense map
Scientific English uses tense to signal how certain a statement is. Get it wrong and you accidentally claim more — or less — than your data allow
The second problem is transfer: Hindi and Dravidian languages allow the progressive with verbs of state, which is why “I am having a doubt” and “We are knowing the result” feel natural to you and mark you instantly to an international reader.
The map — nine decisions, in order
Print this table. Keep it beside you for the next ten documents you write. After that you will not need it.
| Where | What you are saying | Tense | Example |
|---|---|---|---|
| Introduction | Established background knowledge | present | Lung cancer is the leading cause of cancer death. |
| Introduction | What the field has found so far | present perfect | Several trials have shown a survival benefit. |
| Introduction | What one named study did | past | Paik et al. reported a response rate of 46%. |
| Introduction | Your objective | past | We aimed to assess efficacy in this subgroup. |
| Methods | What you did, once, in the past | past | Patients were randomised in a 1:1 ratio. |
| Results | What you found | past | Median progression-free survival was 8.2 months. |
| Results | What a table or figure displays | present | Table 2 shows baseline characteristics. |
| Discussion | Restating your own finding | past | In this study, response was higher in the biomarker-positive group. |
| Discussion | Interpreting it, or drawing an implication | present | These findings suggest that biomarker testing may guide selection. |
The two habits to break
Recognition drills
The seven fixes:
1. was → is — standing background fact, simple present.
2. demonstrated → have demonstrated — accumulated body of literature, present perfect.
3. are aiming → aimed — your objective is a past decision.
4. are randomised → were randomised — Methods, and a named past window forbids anything else.
5. has been → was — a Result you observed, finished, simple past.
6. showed → shows — the table displays it now, every time it is read.
7. are suggesting → suggest — stative verb, no progressive. And note the added may: interpretation in the present tense must be hedged, which is Unit 9.
Score yourself: 6–7 correct means the map is working. Below 5, print the table and write your next three documents with it open.
Register: hedging, claims and Indianisms
The unit that separates a competent writer from an employable one — calibrating how strongly you claim, and removing the administrative English that marks your drafts on sight
Part one — the claim ladder
In scientific and regulatory writing, the verb you choose is a statement about your study design. It is not decoration and it is not politeness. Choosing a verb your evidence cannot support is, in a promotional or regulatory document, a compliance failure — the kind that gets copy rejected in medical-legal-regulatory review or triggers a warning letter.
Learn the ladder in both directions: what each rung means, and what design licenses it.
| Verb | What it claims | What you need to say it |
|---|---|---|
proves / confirms | Settled. No further evidence needed. | Almost never appropriate for a single study. Reserve for mathematical proof or overwhelming consensus. |
demonstrates | This study establishes it. | An adequately powered, pre-specified primary endpoint that was met in a randomised controlled trial. |
shows | The data display it directly. | A directly observed result. Safe for describing figures and tables. |
indicates | The data point this way. | A consistent result, possibly secondary or from a well-conducted observational study. |
suggests | Compatible with this reading. | Exploratory analyses, subgroups, small samples, hypothesis-generating work. |
may suggest | One possible reading among several. | Underpowered, post hoc, or where confounding is plausible and unaddressed. |
Causal — needs randomisation: reduced, caused, led to, resulted in, improved, prevented.
Associational — safe for observational data: was associated with, correlated with, was accompanied by, occurred more frequently in, was observed alongside.
Writing “the drug reduced mortality” from a retrospective cohort is not a stylistic slip. It is a claim your data cannot support, and in promotional copy it is the single most common reason for rejection at review.
Part two — the kill list
The phrases below are correct English. Every one of them is understood in India and almost nowhere else in professional scientific communication. They appear in Indian office correspondence, and international editors, recruiters and clients read them as a signal about the writer — usually before they have read anything else.
You do not need to feel anything about this. Just delete them.
What changed and why:
1. Ceremonial opening deleted — it carries no information and signals an unedited draft.
2. proves → was associated with. Retrospective design licenses association language only. This is the single most important fix in the paragraph.
3. reduces mortality → was associated with lower mortality. Causal verb removed.
4. definitely improves → deleted. Definitely has no place in a scientific claim, and quality of life became the measurable thing that was actually recorded.
5. confirm that this should be standard of care → suggest it may warrant prospective evaluation. A retrospective series cannot change standard of care and should not ask to.
6. The above said → These.
7. We are having a doubt only regarding → the limitation is now stated properly, with its reason. Naming the specific bias is what a reviewer is looking for.
8. kindly request the readers to revert on the same → deleted. A Discussion does not address readers directly.
Score yourself: the two that matter most are 2 and 5. If you removed the ceremony but left proves standing, you fixed the cosmetic problem and left the compliance problem — go back over the claim ladder before moving on.
If your diagnostic put you in Band A or B, you are ready for Week 1 now.
The day a drug is born
From a molecule in a laboratory to a medicine in a patient's hand — the journey that creates the industry you are entering
The journey of a single drug
Before a medicine reaches a patient, it travels through one of the most carefully regulated processes in human history. On average it takes 10 to 15 years and costs upward of Rs. 8,000 crore. Most candidates fail. The ones that survive carry the weight of every failure before them.
As a medical writer, you will work somewhere inside this journey — writing documents that describe what happened, how it happened, and what it means. To write those documents well, you must first understand the journey itself.
Explore the pipeline — click each stage
Key terms
Who does what in pharma
The people inside the pipeline — their roles, their documents, and where you fit among them
The six key roles — explore each one
Medical writers must be fluent across distinct therapeutic modalities and their regulatory endpoint expectations:
- Cardiology & Vascular (e.g. Heart Failure / CVOT): Phase II/III focus on composite 3-point MACE (CV death, non-fatal MI, non-fatal stroke), annualized heart failure hospitalisation rates, and KCCQ health status scores.
- Endocrinology & Metabolism (e.g. Type 2 Diabetes / Obesity): Primary efficacy centers on HbA1c reduction (LS Mean change from baseline at Weeks 24–52) and percentage body weight loss; key safety includes adjudicated pancreatitis, thyroid C-cell pathology, and continuous glucose monitoring (time-in-range).
- Immunology & Rheumatology (e.g. Rheumatoid Arthritis / Psoriasis): Categorical response thresholds like ACR20/50/70, PASI-75/90/100, and EASI-75. Safety monitors opportunistic infections, herpes zoster, and venous thromboembolism (VTE).
- Respiratory & Pulmonology (e.g. Severe Asthma / COPD): Annualized rate of moderate-to-severe exacerbations, pre- and post-bronchodilator trough FEV1, FeNO, and blood eosinophil stratification.
- Neurology & CNS (e.g. Multiple Sclerosis / Alzheimer's): Annualized relapse rates (ARR), EDSS disability progression, CDR-SB cognitive ratings, and volumetric brain MRI lesion burdens.
ICH-GCP — the rulebook
The guidelines that govern every clinical trial on the planet — and why you must know them before you write a single word
ICH stands for the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. GCP stands for Good Clinical Practice. Together, ICH-GCP E6(R2) is the international ethical and scientific quality standard for designing, conducting, recording and reporting clinical trials.
It exists to protect trial participants and ensure the data generated is credible and accurate. Every clinical trial conducted by a reputable sponsor anywhere in the world follows ICH-GCP. Every document you write as a medical writer describes work that was — or should have been — conducted under these guidelines.
Five GCP principles every writer must know
Key terms
Career paths — your map
Where you can go from here, how fast, and what each path actually looks like from the inside
IMRAD in depth
The universal structure of all scientific writing — and how to master each of its four sections
IMRAD — Introduction, Methods, Results, and Discussion — is the universal structure of every clinical paper, regulatory submission and scientific publication in the world. Every pharma professional, every journal editor, every CRO manager lives inside this framework daily.
Before the 1970s, scientific papers were written in whatever order the author preferred. In 1979, the ICMJE standardised the format. Today it is the default structure for CSRs, regulatory summaries, grant applications, conference abstracts and most scientific communication in the pharmaceutical industry. When you internalise this structure, you internalise the language of pharma.
2. Current evidence — what is known from existing research
3. Gap in evidence — what is not known or not settled
4. This study's objective — to fill that specific gap
2. Baseline demographics
3. Primary endpoint results
4. Secondary endpoint results
5. Safety results (adverse events, SAEs)
2. Context — how results compare to existing literature
3. Mechanistic interpretation — why this result makes scientific sense
4. Limitations — honest acknowledgement of study weaknesses
5. Conclusion and implications for practice
What reporting guidelines lose in an AI-assisted draft
Reporting guidelines exist because authors reliably omit the same things. Language models were trained on those same imperfect papers — so they omit the same things, faster, and in better prose.
A CONSORT, STROBE or PRISMA checklist is a list of items a reader needs in order to judge whether they can believe the study. Most of those items are unglamorous: how the allocation sequence was concealed, who was blinded, how missing data were handled. They interrupt the flow of a paragraph. A system optimising for readable prose has a structural incentive to drop precisely them.
This produces a specific and recognisable artefact: a manuscript that reads better than the underlying study can support. Reviewers rarely complain about it, because nothing on the page is wrong. The information required to spot the weakness has simply gone.
Run the checklist against the draft, not against your memory of the study. The failure mode is that you know the trial well, you read the sentence, your own knowledge fills the gap, and you record the item as present. Have someone who has not read the protocol do the pass if you can; if you cannot, check the item against the page number where the reader would find it, and write that number down. If you cannot write a page number, the item is missing.
- Trial registration number present, real, and checked against the registry record
- Analysed primary endpoint matches the registered primary endpoint — or the change is declared
- Randomisation: sequence generation, allocation concealment and implementation all described
- Blinding: who was blinded, and how it was maintained
- Sample size justification present with its assumptions
- Participant flow accounts for every screened patient
- Harms reported in full, not summarised into an adjective
- Missing data handling stated
- Every checklist item mapped to a page number, not to your memory
Literature search mastery
How to find, filter and organise the evidence that every document you write depends on
A literature search is not typing a question into Google Scholar and clicking the first result. It is a documented, reproducible strategy that you can present to a client or include in a Methods section. Every medical writer conducts literature searches daily — for background sections, to find supporting evidence, to identify adverse event precedents.
The three essential databases every Indian medical writer must know: PubMed (free, comprehensive, global standard), Embase (broader European and pharmacological coverage, particularly strong for drug-related literature), and Cochrane Library (gold standard for systematic reviews and meta-analyses).
OR broadens: "UC OR urothelial carcinoma" — either term is sufficient.
NOT excludes: "skin cancer NOT melanoma" — removes melanoma papers.
Quotation marks = exact phrase: "overall survival" searches as a phrase.
MeSH terms = standardised vocabulary that catches all synonyms automatically.
Publication date: Custom range (e.g. January 2020 – December 2025)
Language: English
Full text: Free full text available
Abstract writing clinic
The 250-word document that gets your paper published, your poster accepted, and your career started
A structured abstract compresses an entire study into 200–300 words. Each section has a label. Nothing from one section leaks into another. Every number is exact. And the whole thing reads in under 90 seconds. Writing a crisp, accurate structured abstract is one of the most valued and tested skills in medical writing — and one of the first things a CRO hiring manager will ask you to produce.
Objective: 15–20 words — one sentence, starts with "To..."
Methods: 60–70 words — design, population, intervention, endpoints, statistical approach
Results: 70–80 words — primary endpoint first, key secondary endpoints, key safety finding
Conclusions: 25–35 words — clinical significance, no new data
Total: 200–260 words. Not 261. Not 198.
Objective: To evaluate the efficacy and safety of Drug X versus standard of care in patients with advanced disease.
Methods: This randomised, open-label, Phase III trial enrolled patients with histologically confirmed advanced disease from three academic centres. Patients received Drug X 200 mg orally once daily or investigator's choice chemotherapy. The primary endpoint was objective response rate (ORR) per RECIST v1.1 criteria assessed by blinded independent central review. Secondary endpoints included overall survival (OS) and safety.
Results: In total, 248 patients were enrolled (Drug X: n=124; control: n=124). ORR was significantly higher with Drug X versus control (54.8% vs 18.5%; p<0.001). Median OS was 24.3 months (95% CI: 18.6–31.2) with Drug X versus 14.1 months (95% CI: 10.8–17.4) with control (HR 0.62; 95% CI: 0.48–0.79; p<0.001). The most common treatment-related adverse event was nausea (Drug X: 33.1%).
Conclusions: Drug X demonstrated statistically significant and clinically meaningful efficacy versus standard of care, with a manageable safety profile, supporting its potential use in this patient population.
2. Moved conclusion to end where it belongs
3. Replaced "standard statistical procedures" with specific endpoint and assessment criteria (RECIST v1.1, blinded independent central review)
4. Changed "around one third approximately" to exact "33.1%"
5. Added confidence intervals and hazard ratio to OS result
6. Removed informal language ("our study," "very promising")
7. Cut 40 words by eliminating redundant phrasing
8. Objective begins with "To" per convention
Reading clinical data
How to interpret forest plots, Kaplan-Meier curves, hazard ratios and p-values — without being a statistician
1. Kaplan-Meier Curves — Survival Analysis Step-by-Step
In life sciences, we usually calculate arithmetic means (e.g., mean blood glucose). But in clinical trials, you cannot calculate an arithmetic mean survival time because when the study ends, many patients are still alive! We don't know their eventual survival time. This is called censoring.
The Kaplan-Meier (KM) method solves this by recalculating survival probability every time an event (death or disease progression) occurs.
X-Axis: Time elapsed since randomisation (months, weeks, or years).
2. Hazard Ratio (HR) — Relative Risk Over Time
The Hazard Ratio is the most widely reported effect measure in modern clinical trials, yet it is the single most misunderstood number among junior writers.
Event = Death / Disease Progression
Correct phrasing: "Treatment was associated with a 35% reduction in the hazard of progression or death."
WRONG phrasing: "Patients lived 35% longer" (HR is a rate ratio, not a survival time multiplier).
The null hypothesis is true.
Correct phrasing: "The experimental treatment was associated with a 40% higher hazard of adverse events."
- Significant benefit: HR 0.72 (95% CI: 0.58–0.89) → Both bounds are below 1.0. Statistically significant!
- Not significant: HR 0.72 (95% CI: 0.49–1.05) → The interval crosses 1.0. Not statistically significant, even though the point estimate (0.72) looks favorable! You cannot claim a proven benefit.
3. Forest Plots — Subgroup Analysis at a Glance
A Forest Plot displays effect estimates across multiple patient subgroups (e.g., Age <65 vs ≥65, Male vs Female, Stage III vs Stage IV, Biomarker Positive vs Negative) on a single visual plane.
When benefit is restricted to a subgroup: "Progression-free survival benefit was observed predominantly in patients with PD-L1 positive tumours (HR 0.54; 95% CI: 0.40–0.72), whereas no clear benefit was seen in the PD-L1 negative subgroup (HR 0.94; 95% CI: 0.72–1.23; p for interaction = 0.008)."
When the model misreads the statistics
You have just learned to read a forest plot and a statistical analysis plan. That skill has acquired a second use: catching a language model that has read them wrong.
Large language models are trained on enormous quantities of published biomedical text, which makes them superb at producing sentences that sound like results reporting. They are markedly less reliable at the underlying reasoning. The result is a specific and predictable set of errors — statistically illiterate content in statistically fluent prose.
These are worth memorising, because unlike a typo they survive every automated check and most human ones.
Hazard ratio described as a risk ratio, odds ratio or "chance of survival"
HR 0.68 rendered as an increase in risk, or a benefit reported for the wrong arm
"Patients survived on average 9.4 months"
Events described as though every patient was followed to the endpoint
An exploratory subgroup p-value reported as a finding
"Non-inferior" rewritten as "as effective as" or "equally effective"
ITT and per-protocol results interchanged, or population qualifier dropped
"There is a 95% probability the true HR lies between…"
- Every effect estimate reunited with its confidence interval and checked for internal consistency
- Every number carries an explicit analysis set (ITT / per-protocol / safety)
- Every "significant" traced to a pre-specified, alpha-controlled test in the SAP
- Every subgroup claim labelled exploratory unless the SAP says otherwise
- Survival language checked for median/mean and censoring assumptions
- Any non-inferiority claim states its margin
- Endpoints described in the draft match the endpoints defined in the protocol, by name
MSL slide decks
The document that bridges scientific evidence and medical practice — and one of the first things you will be paid to write
What makes an MSL deck different from a presentation
An MSL slide deck is not a PowerPoint presentation. It is a scientific communication tool built for a specific conversation between two highly trained professionals. The MSL (who presents it) and the KOL (who receives it) both understand the science deeply. The deck's job is to structure that conversation — not to explain basic concepts.
2. Every data point has a source reference. Every number on every slide has a footnote citation.
3. No promotional language. "Breakthrough," "superior," "best-in-class" — never. These trigger MLR rejection instantly.
4. Efficacy before safety. Standard sequence: Study overview → Patient population → Primary endpoint → Secondary endpoints → Safety → Key takeaways.
5. Visuals carry the data, text carries the context. If a table can replace 5 bullets, use the table.
Clinical study reports (ICH E3)
The backbone of regulatory submissions — demystifying the 340-page document and mastering Section 9 (Methods)
1. Demystifying the 340-Page Document
When a fresher hears "340-page report," they imagine writing an entire textbook. In reality, a CSR is composed of three distinct parts:
(Sections 1–15)
~50–90 pages
(TFLs / Section 14)
~150–400 pages
(Section 16)
~100–500+ pages
2. The Source Document Triad — Where Your Content Comes From
A medical writer never invents facts. Every single paragraph in a CSR originates from one of three source documents:
3. The ICH E3 16-Section Structure
The International Council for Harmonisation (ICH) E3 guideline is the universal global template. Medical writers typically own Sections 6 through 14.
9.2 Selection of Population: Inclusion & exclusion criteria.
9.4 Treatments Administered: Drug doses, route, duration, blinding procedures.
9.5 Efficacy & Safety Variables: Exact timing and definitions of endpoints.
9.7 Statistical Methods: Analysis populations (ITT, Safety), handling of missing data.
10.2 Protocol Deviations: Major deviations (wrong dose, missed visit, ineligible patient enrolled).
10.3 Demographics & Baseline: Age, sex, race, baseline disease stage.
11.2 Demographic & Baseline Characteristics: Baseline comparability between arms.
11.4 Efficacy Results: Primary endpoint first, followed by secondary endpoints, subgroup analyses, and sensitivity analyses.
12.2 Adverse Events (AEs): Common AEs, Grade 3/4 AEs, treatment-related AEs.
12.3 Deaths, Other SAEs & Dropouts: Detailed narratives for every death or life-threatening event.
12.4 Clinical Laboratory Evaluations: Liver enzymes, hematology shifts, renal function.
4. Guided Clinic — How to Draft Section 9.1 (Study Design)
Let's walk through how a real junior medical writer transforms a protocol summary into ICH E3 Section 9.1 text:
Design: 2-arm parallel group; 1:1 randomisation; 16-week double-blind treatment period followed by a 4-week safety follow-up. Stratified by baseline disease severity (moderate vs severe) and geographic region.
Intervention: Compound X 200 mg subcutaneous injection every 2 weeks vs matching placebo injection.
Primary Objective: Proportion of patients achieving IGA score of 0 or 1 at Week 16.
Eligible patients were randomised in a 1:1 ratio to receive either Compound X 200 mg administered subcutaneously every 2 weeks or matching placebo for a 16-week double-blind treatment period. Randomisation was stratified by baseline disease severity (moderate vs severe) and geographic region (North America, Europe, Asia-Pacific). Following the 16-week treatment period, all patients entered a 4-week safety follow-up period.
The primary objective of the study was to evaluate the proportion of patients achieving an Investigator's Global Assessment (IGA) score of 0 (clear) or 1 (almost clear) with at least a 2-grade reduction from baseline at Week 16."
Signing off an AI-drafted CSR section
Regulatory drafting tools can now assemble CSR sections directly from study data. What they cannot do is sign the document. Understanding exactly where that line falls is the difference between a writer who is replaced by the tool and one who is required by it.
Purpose-built regulatory platforms will structure and populate large portions of an ICH E3 report from source data, and they do it quickly. That is a genuine efficiency gain and there is no professional dignity in pretending otherwise. But the output is a draft submitted to no one. A qualified regulatory writer must still verify every figure against source and accept responsibility for the result before it enters a submission — which means your value has moved from production to attestation.
Historically you built the document and reviewed it as you built it — verification was distributed invisibly through the act of writing. When the draft arrives fully formed, that verification has not happened anywhere. It now has to be performed deliberately, as a separate, planned, time-boxed task. Teams that do not schedule it simply skip it, and nobody notices until an inspection.
1 · Completeness against ICH E3. A model generates what it was prompted for. It does not know what a submission requires. Sections that are frequently thin or absent in generated drafts: protocol deviations and their handling, disposition accounting that reconciles across the whole report, the rationale for the statistical methods actually used versus those planned, and demographic subgroup presentation. Run the E3 table of contents as a physical checklist, not from memory.
2 · Number-to-TFL traceability. Every number in narrative text exists in a table, listing or figure. Take them one at a time, in order, and mark the source location. This is tedious and it is the job. Pay closest attention to numbers that appear in more than one place — a synopsis figure, a body figure and a discussion figure that have drifted apart is a classic finding.
3 · Qualifier integrity. The most common silent corruption. Analysis population, timepoint, censoring rule and denominator are precisely the words that a fluency-optimising system removes to make a sentence read better. A safety percentage without its safety-population denominator is not a rounding problem; it is a different claim.
4 · Safety narratives. Treat these as the highest-risk content in the document. Individual patient narratives contain dates, doses, timings, concomitant medications and causality assessments — every one of which is a specific, checkable fact, and every one of which a model will happily invent a plausible version of if the source is ambiguous. Verify narratives against the CRF and the safety database, never against the draft's own internal consistency.
- Causality and clinical judgement. A model can restate an investigator's causality assessment. It cannot make one, and text that reads as though it did is a serious problem.
- Confidential source data. Unblinded data, patient-level listings and unpublished protocols go only into systems with a governed data agreement in place. "It was just for a draft" is not a defence at inspection.
- ICH E3 table of contents walked section by section; gaps listed before reading any prose
- Every narrative number matched to a specific TFL cell and marked
- Repeated figures (synopsis / body / discussion) reconciled against each other
- Every efficacy and safety figure carries its analysis population and denominator
- Disposition numbers reconcile: randomised = treated + not treated, and account for every discontinuation
- Safety narratives verified against source, not against the draft
- Causality statements traced to the investigator assessment, not generated
- Statistical methods text matches the SAP, including any amendments
- Tool used, stage of use, and reviewer name recorded in the project file
Regulatory writing
The highest-paid specialisation in medical writing — and the field growing fastest in Indian pharma
The Common Technical Document — the world's drug approval format
The CTD is the internationally agreed format for drug regulatory submissions. Used by CDSCO (India), FDA (USA), EMA (Europe), PMDA (Japan) and most global regulatory authorities. It has five modules. Medical writers own Module 2 — the written summaries that synthesise all clinical and non-clinical evidence into a scientific argument for approval.
2.2 Introduction
2.3 Quality Overall Summary (CMC team)
2.4 Nonclinical Overview (preclinical scientists)
2.5 Clinical Overview — 30–50 pages. Expert scientific analysis of all clinical data. Written by medical writers.
2.6 Nonclinical Written Summaries
2.7 Clinical Summaries — structured summaries of biopharmaceutics, clinical pharmacology, efficacy, and safety. Written by medical writers.
Sections 2.5 and 2.7 are your primary regulatory writing deliverables.
Patient information leaflets
Writing for patients — the hardest audience, the most important document, and the one most medical writers underestimate
The plain language imperative
A Patient Information Leaflet (PIL) is a regulatory document. CDSCO and EMA both require that it be written in plain language that patients can actually understand. But most PILs are written by scientists, reviewed by lawyers, and cleared by regulatory affairs — and end up comprehensible only to the people who produced them.
As a medical writer, your job is to be the patient's advocate in this process. You write the leaflet that a real person — likely anxious about their diagnosis, possibly with limited formal education — can read and act on in 5 minutes.
Below 40: too complex for most patients. Above 80: may feel condescending for adult patients. Aim for 60–70.
Tell your doctor immediately if you notice any of these serious side effects:
- Yellowing of your skin or eyes, dark-coloured urine, stomach pain, or feeling very tired (signs of liver problems)
- New or worsening cough, shortness of breath (signs of lung problems)
- Diarrhoea, blood in your stools, stomach pain (signs of bowel problems)
- Changes in how much you urinate (signs of kidney problems)
Do not take this medicine if you have liver disease — your doctor will have checked this before prescribing it to you.
Tell your doctor about all other medicines you take, including vitamins and herbal supplements, as some medicines can affect how this medicine works.
2. Immune-mediated adverse reactions → split into individual organ symptoms patients can notice
3. Pneumonitis → lung problems + observable symptom (cough, breathlessness)
4. Contraindicated → Do not take if
5. CYP3A4 inhibitors → other medicines + action step (tell your doctor)
6. Plasma concentrations → how this medicine works (consequence for the patient)
7. Bullet points for scannability
8. Bold for action items the patient must act on
Pharmacovigilance basics
The science of drug safety after approval — and why medical writers are essential to the entire system
What is pharmacovigilance?
Pharmacovigilance (PV) is the science and activities relating to the detection, assessment, understanding and prevention of adverse effects of medicines. Clinical trials see only a few thousand patients over a few years. The real world has millions of patients over decades. Safety signals invisible in trials often emerge only when a drug reaches the market at scale — which is why PV never stops after approval.
PSUR / PBRER (Periodic Safety Update Report / Periodic Benefit-Risk Evaluation Report): Comprehensive safety review submitted to regulators at defined intervals. Large, complex documents. Senior PV writers specialise in these.
DSUR (Development Safety Update Report): Annual safety report for drugs still in clinical trials. Submitted to regulators and ethics committees.
RMP (Risk Management Plan): A strategy document outlining how known risks will be monitored, minimised and communicated post-approval. Submitted as part of the regulatory dossier.
- Results in death
- Is life-threatening
- Requires hospitalisation or prolongs existing hospitalisation
- Results in persistent or significant disability or incapacity
- Is a congenital anomaly
- Is otherwise medically significant (requires regulatory or clinical judgement)
SAEs require expedited reporting to CDSCO: 15 calendar days for unexpected SAEs. Non-serious AEs are collected and reported in periodic reports (PSUR/PBRER).
Key principle: Recovery does not determine seriousness. A patient who recovered from 3 days of hospitalisation still experienced a Serious Adverse Event.
Biostatistics for writers
You do not need to run the statistics. You need to read them, understand them, and write about them without error
Study designs — why they determine what you can claim
The study design determines what claims you can make about the data. An observational study cannot prove causation. A single-arm trial cannot claim superiority over standard of care. A post-hoc subgroup analysis cannot be presented as a primary finding. These distinctions are not pedantic — they are the boundary between accurate reporting and misleading scientific communication.
Randomised Controlled Trial (RCT) — gold standard for establishing causation. Random allocation eliminates selection bias.
Cohort study — follows two groups over time. Can show association but not causation.
Case-control study — compares people with a disease to those without. Good for rare diseases.
Cross-sectional study — a snapshot in time. Shows prevalence only.
Case report / case series — describes individual cases. Generates hypotheses only.
As a writer: the design determines your conclusion language. RCTs "demonstrated." Observational studies "showed an association." Case reports "suggested."
Per-Protocol (PP): Only patients who completed treatment per protocol. Usually shows a larger treatment effect because it excludes dropouts. Used as a supportive analysis only.
Regulators always want ITT first. Reporting PP first and ITT second implies you are trying to inflate the effect estimate — which triggers regulatory scrutiny.
As a writer: always report CIs alongside point estimates. A response rate without a CI is an incomplete result. When CIs are wide, the study is underpowered and you must describe results with appropriate uncertainty — "numerically higher" not "statistically significantly better" when the p-value does not reach significance.
AI in Medical Writing: The Four Obligations
Every earlier module in this course taught you to produce a document. This one teaches you to be accountable for one you did not fully write.
AI in Medical Writing: the four obligations
Every earlier module in this course taught you to produce a document. This one teaches you to be accountable for one you did not fully write.
A co-author returns your manuscript at 11 pm with a note: "Tidied up the results, much clearer now." The prose is excellent. Better than yours, honestly. It flows.
Three of the references do not exist. The hazard ratio in the abstract has been inverted relative to Table 2 — the text now says the drug increased risk. One sentence about grade 3 events has quietly lost the phrase "in the safety population."
A proofreader catches none of this. A plagiarism checker catches none of this. Your journal's editorial system catches none of this. Your name is on the accountability line, and the submission deadline is 9 am.
Tools change every quarter. The model you learn today will be deprecated before you finish this course. What does not change is the structure of the problem: a machine can now produce fluent scientific prose, fluency is no longer evidence of correctness, and a named human still has to answer for the result.
So this module teaches four obligations rather than four products. Each one answers a question that a regulator, a publisher, a compliance officer or a co-author may ask you, and each one will still be the question in five years.
Authorship requires accountability: the ability to approve the final version, to answer for its integrity, and to declare competing interests. A model can do none of these. It cannot be sued, cannot retract, cannot hold an opinion about its own funding. That is why every major body reached the same answer independently — not because AI writes badly, but because authorship is a liability position and a model cannot occupy one.
The 2026 ICMJE Recommendations added a dedicated section covering AI use by authors, editors and reviewers. Read it directly rather than relying on summaries; it is short, and journals will hold you to the text, not to a blog post about the text.
- Methods — if AI touched anything that affects interpretation of the data (analysis, literature selection, synthesis of results).
- Acknowledgements — if AI was used for language, structure or drafting assistance only.
- Cover letter — always, in one sentence, regardless of the above. It costs you nothing and it removes any later argument about concealment.
- Target journal's own instructions — checked at submission, not at kickoff. They change.
Note the shape of the risk here. Over-disclosure has never harmed anyone's submission. Under-disclosure is how retractions start.
Verification is not proofreading and it is not editing. Proofreading asks whether the sentence is well-formed. Verification asks whether the sentence is true given the source documents. An AI-assisted draft can be flawless by the first standard and catastrophic by the second, and the two failure modes look nothing alike on the page.
- Fabrication — a citation, author, DOI, trial registration number or quotation that does not exist. Plausible formatting is the giveaway that there is nothing to give away.
- Transposition — a real number, moved. Arms swapped, a hazard ratio inverted, a confidence interval attached to the wrong endpoint, a percentage borrowed from an adjacent row.
- Qualifier loss — the population, the timepoint, the analysis set, the censoring rule silently deleted in the interest of a smoother sentence. This is the most common and the hardest to see.
- Confidence inflation — hedged source language ("suggests a possible association") rendered as assertion ("demonstrates"). Nothing factual has changed and the meaning has changed completely.
Three of these four are invisible to a reader who does not have the source open beside the draft. That is the whole discipline: you cannot verify from the document alone. If you are reviewing an AI-assisted draft without the TFLs, the protocol or the source papers in front of you, you are not verifying — you are reading.
Verification drill — five errors, one paragraph
Click any span you believe is wrong. Then check your work. Source data is given below the draft.
Median PFS 9.4 months (drug) vs 6.1 months (placebo). HR 0.68 (95% CI 0.54–0.86), p=0.001.
Grade ≥3 treatment-emergent adverse events: 34.0% (drug) vs 29.1% (placebo), safety population.
Overall survival: immature at data cut-off; not formally tested. Reference for prior work: Okonkwo et al., Lancet Oncol 2023;24:889–901.
A single publication passes through a sponsor, an agency, several external authors, sometimes a freelance writer, and a publisher. Each of those parties may be running a different AI system under a different policy with a different data-retention posture. The industry's own assessment is blunt: most publication professionals use AI, and most do not know what their external authors are using.
This is the gap that governance work is currently rushing to close, and it is the one where a writer who thinks about it early looks conspicuously competent. You do not need a policy department to act on it. You need one question asked at kickoff.
"So that we can complete the AI disclosure accurately at submission — will any AI tools be used on this draft at your end, and if so which ones?"
Framed as an administrative necessity, it is answered honestly. Framed as a compliance challenge, it is answered defensively or not at all. Record the answer in the kickoff minutes. That record is your evidence of oversight, and evidence of oversight is what you will be asked for.
Note also the confidentiality dimension. Pasting an unpublished protocol, an embargoed dataset or patient-level information into a consumer AI tool is a data breach whether or not anything goes wrong. Enterprise agreements with defined data handling exist precisely so that this question has an answer.
The first three obligations concern AI as a writer. The fourth concerns AI as a reader, and it is the one that changes publication strategy rather than publication craft.
Physicians increasingly reach clinical evidence through retrieval-based AI platforms rather than by searching databases directly. Those systems pull from curated evidence bases and surface a synthesised answer. If your trial is behind a paywall, published without structured metadata, or licensed in a way that excludes it from retrieval, it can be excellent work that the answering system never sees.
- Access — open access, or at minimum an accessible abstract carrying the actual findings rather than a teaser.
- Structure — structured abstract, explicit population, intervention, endpoint and effect size in machine-parsable form. A conclusion of "the drug was well tolerated" carries no retrievable content.
- Licensing — a licence that permits inclusion in curated evidence bases.
- Redundancy — a plain language summary, a registry record and a congress abstract each give the retrieval system another route to the same finding.
This is genuinely unsettled territory. Nobody has an agreed methodology for measuring it yet, which is exactly why understanding the mechanism now is worth more than memorising anyone's current answer.
Where the field stands
loading…- Hallucination
- Output that is fluent, well-formatted and false. The formatting is what makes it dangerous — fabricated citations look more correct than real ones.
- Retrieval-augmented generation (RAG)
- A system that fetches documents from a defined evidence base and answers from them. Determines whether your publication is visible to AI-mediated readers.
- Human in the loop
- A named person who reviews and accepts responsibility for output before use. A checkbox is not a loop; a documented review is.
- Provenance
- The traceable record of who did what to a document, using which tools, at which stage.
- Author AI attestation
- A recorded statement from each contributor about AI tools used on their contribution. Currently voluntary; treat it as inevitable.
- Qualifier loss
- Silent deletion of the population, timepoint or analysis set that made a claim true. The most under-detected AI editing failure.
- Source-to-text traceability
- Every factual assertion in a document mapped to a specific location in a source. The operational definition of verification.
- Generative engine optimisation (GEO)
- Structuring content so retrieval systems can find, parse and cite it. The publication-strategy consequence of AI as reader.
Reflection
- Return to the 11 pm scenario. Your co-author is a senior investigator who will be irritated by the suggestion that their draft contains fabrications. Write the two sentences you would actually send at 11:15 pm.
- Take a paper you have read recently. Could a retrieval system extract its primary finding from the abstract alone — population, comparator, effect size, and direction? If not, name the single sentence you would rewrite.
- Of the four failure classes in §3, which would you personally be least likely to catch, and what would you have to have open on your desk to catch it?
- Your organisation has no AI policy. You are asked to draft one page. What is the first line?
Authorship, accountability and AI
You have just learned the four ICMJE authorship criteria. This section explains why a machine can satisfy the first one and none of the others — and why that single fact settles most of the questions people think are still open.
Return to the four criteria. A model can plausibly contribute to drafting — criterion two. It cannot give final approval of the version to be published, and it cannot agree to be accountable for all aspects of the work, including the accuracy and integrity of parts it did not produce. Those are not capability gaps that a better model will close. They are statements about legal and moral standing.
This is why the answer arrived so quickly and so uniformly across bodies that disagree about most other things. Authorship has never been a reward for producing text. It is an assumption of liability, and a tool cannot assume one — the same reason your statistical software is not an author of your analysis.
Authors must disclose AI use and remain fully responsible for the content. The practical question is not whether to disclose but where — and since publishers have not yet aligned on a single location, declare in the acknowledgements for language and drafting assistance, in the methods where AI affected data handling or evidence selection, and in the cover letter in every case.
Reviewers face a distinct problem that is easy to overlook: a manuscript under review is confidential. Uploading it to a general AI tool to help draft a review is a breach of that confidentiality, independent of any question about review quality. If you review for journals, this is the rule that is most likely to catch you out, because the intent is entirely benign.
Editors carry the same confidentiality obligation and, additionally, must not delegate editorial judgement to a system that cannot account for it.
Good Publication Practice already required that professional medical writers be acknowledged, that their funding source be named, and that they work under author direction. AI does not create a new principle here; it stresses an existing one. The distinction the guidance rests on — who directed the work, who approved it, who answers for it — is exactly the distinction that makes AI-assisted drafting manageable. If a writer using an AI tool remains under author direction and the authors approve the final version, the existing framework holds. What breaks it is undisclosed use, not use.
Note the mirror image of the ghostwriting problem you studied earlier. Ghostwriting hides a human contributor who should have been named. Undisclosed AI use hides a non-human contributor that could never be named — and the remedy in both cases is the same: transparency about how the document came to exist.
To complete the AI disclosure accurately at submission, please confirm for your contribution to this manuscript:
- Did you use any AI tool at any stage? (Yes / No)
- If yes, which tool, and for what — literature searching, drafting, language editing, figure generation, or other?
- Was any unpublished or confidential study material entered into it?
- You remain responsible for the accuracy of all content in your contribution, including any AI-assisted text. (Confirm)
Keep the completed responses with the project file. This record is your evidence of oversight — and question 3 is the one that occasionally surfaces a real problem in time to fix it.
Freelance and career launch
Everything you need to earn your first rupee from medical writing — and build a sustainable career
Where to find your first opportunity
Veeda Clinical Research — Ahmedabad
Lambda Therapeutic Research — Ahmedabad
Synchron Research Services — Ahmedabad
Parexel India — Hyderabad
ICON plc India — Bengaluru
Syneos Health India — Hyderabad
PRA Health Sciences India — Bengaluru
Covance India — Hyderabad
Dear [First Name],
I am a [M.Pharm / M.Sc] graduate with a certificate in Medical Writing and Clinical Research from IMRAD Academy. I am writing to express my interest in any junior medical writer or medical writing intern roles at [CRO name].
I have completed structured training in ICH-GCP, clinical study report writing (ICH E3), MSL slide deck development, regulatory documentation (CTD Module 2), and pharmacovigilance. My portfolio includes three pieces: a structured abstract based on a published oncology study, a 5-slide MSL deck, and a 400-word CSR Methods section.
I am available immediately and open to remote, hybrid or Hyderabad-based arrangements. I have attached my CV and portfolio pieces.
Thank you for your time.
Regards,
[Your name] | [Phone] | [Email] | IMRAD Academy
Congress poster abstract: Rs. 3,000–6,000
MSL slide deck (5–10 slides): Rs. 8,000–20,000
Clinical study report section: Rs. 15,000–40,000
Regulatory synopsis (CTD 2.5 section): Rs. 30,000–60,000
Patient information leaflet: Rs. 5,000–12,000
Editing and proofreading: Rs. 500–1,000 per hour
Full Phase I CSR: Rs. 80,000–1,50,000
Whichever piece fails hardest is the one to rewrite first — and the course covering it is where to go next.
Choose your professional pathway
You have surveyed the landscape of clinical research and medical writing. Now it is time to choose where you go deep — the seven professional domains, what each one demands, and which matches your background and ambitions.
The seven professional domains
Each domain below represents a distinct career in medical writing. Some overlap — a pharmacovigilance writer uses regulatory knowledge, and an HEOR writer needs statistics — but the core deliverables and day-to-day work differ enough that specialising matters.
Who hires: CROs (IQVIA, Parexel, Syneos, PPD), pharma medical writing departments, specialist regulatory writing agencies.
Key skills beyond foundation: ICH E3 structure, CTD formatting, amendment tracking, regulatory submission timelines, working with biostatisticians and clinical teams.
Best fit if you: are detail-oriented, enjoy structured formats, want the highest-volume and most stable demand in medical writing.
Foundation courses that matter most: ICH-GCP, Statistics, Reading Source Documents, Critical Appraisal.
Who hires: medical communications agencies (Ashfield, Caudex, Oxford PharmaGenesis, AMICULUM), publication planning teams within pharma.
Key skills beyond foundation: ICMJE guidelines, GPP4 (Good Publication Practice), journal submission workflows, reference management, working with KOLs and authors.
Best fit if you: enjoy writing narrative prose, like working with academics and clinicians, want variety in therapeutic areas.
Foundation courses that matter most: Scientific English, Statistics, Critical Appraisal, Reading Source Documents.
Who hires: evidence synthesis consultancies (RTI Health Solutions, Mapi Group, Evidera), HTA submission teams, Cochrane review groups, academic research centres.
Key skills beyond foundation: PRISMA 2020, Cochrane methodology, search strategy design, risk-of-bias assessment (the tools you previewed in Critical Appraisal), meta-analytic statistics, GRADE framework.
Best fit if you: enjoy methodological rigour, like research more than writing, have a background in epidemiology or public health.
Foundation courses that matter most: Critical Appraisal, Statistics, Reading Source Documents.
Who hires: pharma medical information departments, medical affairs outsourcing providers, drug information centres.
Key skills beyond foundation: off-label enquiry handling, AMCP dossier format, therapeutic area depth, rapid literature triage, compliance with promotional/non-promotional boundaries.
Best fit if you: are a pharmacist or have a clinical background, enjoy answering specific clinical questions, prefer shorter-form writing with fast turnaround.
Foundation courses that matter most: Reading Source Documents, Critical Appraisal, ICH-GCP, Scientific English.
Who hires: pharma medical affairs departments, medical education agencies, MSL teams, medical affairs consulting firms.
Key skills beyond foundation: slide design principles, storytelling with data, working with MSLs and medical directors, understanding commercial–medical boundaries, congress planning.
Best fit if you: enjoy visual communication, like working at the interface of science and strategy, are comfortable presenting to clinical audiences.
Foundation courses that matter most: Scientific English, Statistics, Critical Appraisal, Reading Source Documents.
Who hires: pharma safety/PV departments, PV outsourcing companies (Accenture, Cognizant, TCS in PV), regulatory safety writing agencies.
Key skills beyond foundation: MedDRA coding, ICH E2E/E2F, signal detection methodology, benefit-risk frameworks, CIOMS guidelines, EudraVigilance and FAERS databases.
Best fit if you: are methodical and patient, have a pharmacy or clinical safety background, want steady demand with regulatory deadlines.
Foundation courses that matter most: ICH-GCP, Statistics, Critical Appraisal, Regulatory Landscape.
Who hires: HEOR consultancies (IQVIA HEOR, Evidera, RTI Health Solutions, BresMed), pharma market access teams, pricing and reimbursement departments.
Key skills beyond foundation: health economic modelling concepts (Markov, partitioned survival), utility measurement (EQ-5D), ICER/QALY interpretation, NMA for indirect comparisons, country-specific HTA requirements.
Best fit if you: have a health economics, pharmacy, or public health background, enjoy working with numbers and models, want to understand how drugs get priced and reimbursed.
Foundation courses that matter most: Statistics (especially the HEOR preview), Critical Appraisal, Reading Source Documents, Regulatory Landscape.
Self-assessment: which pathway fits?
A) Highly structured, template-driven (CSRs, safety reports) → Domains 1, 6
B) Narrative, persuasive (manuscripts, dossiers) → Domains 2, 7
C) Methodological, analytical (SLRs, meta-analyses) → Domain 3
D) Short-form, fast-turnaround (SRDs, training decks) → Domains 4, 5
2. Which stakeholder do you want to serve?
A) Regulators (FDA, EMA) → Domains 1, 6
B) Journal editors and KOLs → Domain 2
C) HTA bodies and payers → Domain 7
D) MSLs and medical affairs teams → Domains 4, 5
E) Researchers and methodologists → Domain 3
3. What is your background?
A) Life sciences, no clinical experience → Domains 1, 2, 3
B) Pharmacy or clinical → Domains 4, 6
C) Public health, epidemiology → Domains 3, 7
D) Health economics → Domain 7
E) Communications, journalism → Domains 2, 5
4. How do you feel about numbers?
A) Comfortable — statistics is a strength → Domains 3, 7
B) Competent — can work with them → Domains 1, 2, 6
C) Prefer words to numbers → Domains 4, 5
5. What matters most to you?
A) Job stability and high demand → Domain 1
B) Intellectual variety → Domains 2, 3
C) Impact on patient access → Domains 6, 7
D) Working with people → Domains 4, 5
Important: you do not have to choose immediately, and you can always add a second domain later. Most experienced medical writers cover two or three domains. But starting with one lets you build depth faster and makes your first portfolio more focused.
Your 90-day action plan
Step 2 (next week): Enrol in your chosen domain pathway. Each pathway is 12–17 modules and takes 4–6 weeks of focused study.
Step 3 (weeks 3–8): Complete the domain pathway. Each one includes document-writing exercises that become portfolio pieces.
Step 4 (weeks 8–12): Build three portfolio pieces in your chosen domain. Use the templates and rubrics from the pathway. Have them reviewed — by a colleague, a mentor, or the IMRAD Academy peer review system when available.
Step 5 (week 12): Apply for your first role or project in that domain. Your certification plus portfolio pieces are what agencies and pharma companies look for.