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★ Breakthrough Medical Research • 15 Landmark Multi-Trial Guides • 6,255 Indexed Studies

FDA MedWatch Safety Alerts & Class I / II Drug Recalls — Clinical Trial Breakdowns & PubMed Evidence

Official U.S. Food and Drug Administration (FDA) Class I, Class II, and Class III enforcement recalls, impurity notifications, and MedWatch safety alerts translated into plain-English action steps for patients and caregivers. Explore 108 indexed studies and multi-trial syntheses with verified PubMed PMIDs, participant sample sizes (N), and Absolute vs. Relative Risk numbers.

★ #1 Lead Breakthrough Study • NEJM SURMOUNT-1 (176 Weeks) N = 1,032 Adults • p < 0.001

Once-Weekly Tirzepatide Cuts Type 2 Diabetes Progression by 94% Over 3 Years—With a 22.9% Sustained Weight Reduction

The Plain-English Receipt: Only 1.2% of prediabetic adults on Tirzepatide progressed to Type 2 diabetes over 3.4 years vs. 19.3% on placebo (Absolute Risk Reduction = 18.1% • Number Needed to Treat = 6).

Two biomedical scientists in white lab coats inside a sunlit medical research laboratory pipetting clinical assay samples and reviewing trial results
Inside the Clinical Evidence Lab: Our research desk audits 6,255 human trials from NEJM, The Lancet, JAMA, and NCBI PubMed—reporting true Absolute Risk Reduction (ARR) and sample sizes (N) without pharma spin.
3. All Indexed Clinical Studies (108)

FDA Recalls & Safety Alerts — Clinical Trials & Study Reports (108)

Page 2 of 4 • Sorted by Participant Sample Size (N)
Peer-Reviewed Journal (Clinical Trials) BMJ-3131658995

BMJ Recent Research (Clinical Trials): Meet the doctors taking propranolol to combat stressful exams and shifts amid rising concern over the risks

Niamh took propranolol for the first time when she was at medical school.She recalls, “I had to do a presentation to loads of consultants and other medical students on pneumothoraxes, and I knew I wouldn’t be able to do it unless I had some kind of help.”For t

BMJ Recent Research • 2026-11-06 Read Study
FDA Safety Alert & Drug Recall FDA_RECALLS-942024156

Can Ashwagandha Really Calm Daily Stress Without Leaving You Groggy?

Vitality Works Inc. of Albuquerque, New Mexico, is recalling one lot (lot number 2025-26227) of 365 Whole Foods Market Standardized + Full Spectrum Blend Ashwagandha Capsules 120 count because it has the potential to be contaminated with Salmonella, an organis

FDA Drug Recalls • 2026-10-30 Read Study
FDA Safety Alert & Drug Recall FDA_RECALLS-1536156331

FDA Drug Recalls (Recall): Once Upon A Farm Recalls All Lots and Varieties of Tractor Wheels Organic Toddler Soft-Baked Bars Due to Potential Choking Hazard

Once Upon a Farm (Berkeley, CA) is recalling all lots and varieties of fruit-flavored Tractor Wheel Organic Toddler Soft-Baked bars due to reports that the composition of the Tractor Wheel toddler snack can rapidly hydrate into a dense, dry, and sticky mass up

FDA Drug Recalls • 2026-10-30 Read Study
Evidence Methodology, PubMed Verification & YMYL Standards

Frequently Asked Questions About dotMD Clinical Trial Breakdowns

Why does dotMD report both Absolute Risk Reduction (ARR) and Relative Risk Reduction (RRR) on clinical trials?

Traditional health headlines often exaggerate findings by reporting only Relative Risk Reduction—for example, claiming a drug cuts risk by 50% when the event rate dropped from 2% to 1% (an Absolute Risk Reduction of just 1.0 percentage point, meaning 100 patients must take the drug for 1 person to benefit, or NNT = 100). On dotMD, every flagship study breakdown reports both Relative Risk and Absolute Risk alongside the exact sample size (N) and trial duration.

How does dotMD separate human randomized controlled trials (RCTs) from animal or observational studies?

Every study on dotMD displays its exact Study Design Tier at the top of the card (Phase 3 Randomized Trial, Randomized Controlled Trial, Meta-Analysis & Systematic Review, Multi-Trial Clinical Evidence Synthesis, Journal Watch Cohort, or FDA Safety Alert) along with the human participant count (N). Preclinical mouse or cell-culture data is never presented as human clinical proof.

Why did dotMD replace synthetic "Study Rigor Scores" with primary PubMed PMIDs and trial metadata?

Arbitrary 0-to-100 rigor scores obscure what actually makes a study trustworthy. Instead of synthetic scores, dotMD surfaces the verifiable primary evidence signals: exact NCBI PubMed IDs (PMID), ClinicalTrials.gov registration numbers (NCT), double-blind vs. crossover design, sample size (N), p-values / Hazard Ratios, and study limitations.

How do dotMD Research Breakdowns connect to Conditions, Medications, Supplements, and Specialist Doctors?

Medical research is only useful if you can act on it safely with your clinician. Every flagship research synthesis links directly to the parent Condition diagnostic cutoff guide, the Medication FDA DailyMed & CMS NADAC wholesale price ledger, the Supplement elemental weight decoder, and our High-CPT-Volume Specialist Directory.