Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Adverse Drug Event: later-stage trial registry
1 of 6 indexed Adverse Drug Event trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 1 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Adverse Drug Event: 6 US clinical trials tracked, 1 recruiting.
Adverse Drug Event is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is Brigham and Women's Hospital, running 2 of these trials.
Enrollment posture brief
Registry condition adverse-drug-event
OPEN 1 | RECR 17% | LATE 1 | EARLY 0 | RANK #2866 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Acute Renal Failure (17% recruiting · 6 trials)
Adverse Drug Event lists 1 open slots (17% of 6 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Adverse Drug Event on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Adverse Drug Event is recruiting below its size-band peers.
1 of 6 indexed trials (16.7%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Adverse Drug Event research.
Brigham and Women's Hospital accounts for 2 of 6 trials (33.3%). 5 distinct sponsors appear on at least one study for this condition label.
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Typical Adverse Drug Event enrolment sits around 300 participants.
Median target enrolment is 300 among the 6 trials that report a genuine target (sentinel values excluded). 1 of those (16.7%) plan for fewer than 100 participants.
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Adverse Drug Event splits between interventional and observational designs.
4 interventional and 2 observational studies make up this index (66.7% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Melatonin for Prevention of Kidney Injury
Rutgers, The State University of New Jersey
NCT05084196
Patient Safety Learning Laboratory: Making Acute Care More Patient-Centered
Brigham and Women's Hospital
NCT02969343
Improving Wisely - Polypharmacy
Johns Hopkins University
NCT03857100
Safety of Pediatric COVID-19 Vaccination
Duke University
NCT05157191
Optimizing Electronic Health Record Prompts With Behavioral Economics to Improve Prescribing for Older Adults
Brigham and Women's Hospital
NCT04284553
Pharmacogenomic Analysis in Pediatric Acute Lymphoblastic Leukemia
Cipherome
NCT04770922
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Adverse Drug Event records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Adverse Drug Event trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Adverse Drug Event page
6 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Adverse Drug Event trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Brigham and Women's Hospital sponsors the most Adverse Drug Event trials on record, review their full trial history before evaluating a specific study. See Brigham and Women's Hospital's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Adverse Drug Event condition card totals 6 registered trials; most-linked intervention Audit and feedback - letter and report; top US site state Massachusetts. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.