Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Drug Interactions: early-phase trial registry
3 of 7 indexed Drug Interactions trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,497 of 28,707 conditions by registered trial count.
7 US clinical trials · 3 currently recruiting · #2,497 of 28,707 conditions by registered trial count
Drug Interactions: 7 US clinical trials tracked, 3 recruiting.
Drug Interactions is the subject of 7 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most active sponsor is Repros Therapeutics, running 1 of these trials.
Enrollment posture brief
Registry condition drug-interactions
OPEN 3 | RECR 43% | LATE 1 | EARLY 4 | RANK #2497 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adrenoleukodystrophy (43% recruiting · 7 trials)
Drug Interactions lists 3 open slots (43% of 7 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 Drug Interactions 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.
-
Drug Interactions is recruiting below its size-band peers.
3 of 7 indexed trials (42.9%) 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.
-
Sponsorship of Drug Interactions trials is spread across many organizations.
Repros Therapeutics accounts for 1 of 7 trials (14.3%). 7 distinct sponsors appear on at least one study for this condition label.
-
Typical Drug Interactions enrolment sits around 25 participants.
Median target enrolment is 25 among the 7 trials that report a genuine target (sentinel values excluded). 4 of those (57.1%) plan for fewer than 100 participants.
-
Drug Interactions research is mostly interventional.
7 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
7 total, page 1 of 1
Shared Decision for Drug Interactions in Oral Anticoagulation
University of Utah
NCT06401863
LDL-C Optimization Using Inclisiran in Patients in Which Drug-Drug Interactions Limit LDL Lowering
University of California, San Diego
NCT06865885
Opioid Drug Interaction Study
Shanna Babalonis, PhD
NCT06757140
Emergency Department (ED) Drug Interaction in Emergency Department Patients
University of Colorado, Denver
NCT01859715
Phase 1, Open-label, Drug-drug Interaction Study With Octreotide Acetate Injection and Telotristat Etiprate in Healthy Subjects
Lexicon Pharmaceuticals
NCT02195635
Pharmacokinetic Interactions Between an Herbal Medicine (African Potato) and Antiretroviral Agents (Lopinavir/Ritonavir)
University of California, San Francisco
NCT01227590
Open-Label, Multiple-Dose, Non-Randomized Study to Assess Drug-Drug Interactions of Proellex® in Female Subjects
Repros Therapeutics
NCT00741468
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 4 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Drug Interactions records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Drug Interactions 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 Drug Interactions page
7 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Drug Interactions trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Repros Therapeutics sponsors the most Drug Interactions trials on record, review their full trial history before evaluating a specific study. See Repros Therapeutics'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 Drug Interactions condition card totals 7 registered trials; most-linked intervention Oxycodone; top US site state Colorado. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.