Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

ClinicalTrials.gov 1 recruiting now early-phase tilt small index

Adverse Effects: early-phase trial registry

1 of 4 indexed Adverse Effects trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #4,115 of 28,707 conditions by registered trial count.

4 US clinical trials · 1 currently recruiting · #4,115 of 28,707 conditions by registered trial count

Adverse Effects: 4 US clinical trials tracked, 1 recruiting.

Adverse Effects is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is John Levine, running 2 of these trials.

Enrollment posture brief

Registry condition adverse-effects

OPEN 1 | RECR 25% | LATE 0 | EARLY 3 | RANK #4115 | SPON 2

Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Adverse Effects (this)25%
Open-enrollment share among volume-matched conditions near Adverse Effects

Adverse Effects lists 1 open slots (25% of 4 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 Effects 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.

  1. Adverse Effects is recruiting below its size-band peers.

    1 of 4 indexed trials (25%) 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.

Phase 11Phase 22

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 2 2

Top Sponsors

Named interventions

Most-linked intervention names on Adverse Effects records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Cognitive-behavioral therapy Behavioral
1 trials
ISB Procedure
1 trials
Methylprednisolone Drug
1 trials
Ruxolitinib Drug
1 trials
Prednisone Drug
1 trials

US sites by state

Facility locations filed on Adverse Effects trials. A trial with sites in several states counts in each.

Pennsylvania 3 trials
New York 3 trials
Texas 2 trials
Tennessee 2 trials
Massachusetts 2 trials
Georgia 2 trials
California 2 trials
Wisconsin 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Adverse Effects page

4 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 1 Adverse Effects trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • John Levine sponsors the most Adverse Effects trials on record, review their full trial history before evaluating a specific study. See John Levine'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 Effects condition card totals 4 registered trials; most-linked intervention Cognitive-behavioral therapy; top US site state Pennsylvania. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.