Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Opioid Use, Unspecified: early-phase trial registry
2 of 10 indexed Opioid Use, Unspecified trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #1,724 of 28,707 conditions by registered trial count.
10 US clinical trials · 2 currently recruiting · #1,724 of 28,707 conditions by registered trial count
Opioid Use, Unspecified: 10 US clinical trials tracked, 2 recruiting.
Opioid Use, Unspecified is the subject of 10 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Northwestern University, running 2 of these trials.
Enrollment posture brief
Registry condition opioid-use-unspecified
OPEN 2 | RECR 20% | LATE 1 | EARLY 2 | RANK #1724 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Acral Lentiginous Melanoma (20% recruiting · 5 trials)
Opioid Use, Unspecified lists 2 open slots (20% of 10 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 Opioid Use, Unspecified 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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Opioid Use, Unspecified is recruiting below its size-band peers.
2 of 10 indexed trials (20%) 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 Opioid Use, Unspecified research.
Northwestern University accounts for 2 of 10 trials (20%). 9 distinct sponsors appear on at least one study for this condition label.
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Typical Opioid Use, Unspecified enrolment sits around 105 participants.
Median target enrolment is 105 among the 10 trials that report a genuine target (sentinel values excluded). 5 of those (50%) plan for fewer than 100 participants.
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Opioid Use, Unspecified research is mostly interventional.
8 interventional and 2 observational studies make up this index (80% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
10 total, page 1 of 1
Opioid Use Disorder in Pregnancy in Long-Term Maternal/Infant Outcomes
Senthil Sadhasivam
NCT03923374
Sensory Outcomes in Active Substance Users
Boston Medical Center
NCT06639438
Patient Utilization of Opioid Destruction Bags in the Post-op Period
University of Nebraska
NCT05875857
Pectoral Nerve Blocks (PECs) for Cardiovascular Implantable Electronic Device Placement
Beth Israel Deaconess Medical Center
NCT05283980
EHR-Based Medication Complete Communication Strategy to Promote Safe Opioid Use
Northwestern University
NCT02431793
Prescribing Opioid Pain Relievers in the Emergency Department: Understanding and Optimizing the Encounter
Northwestern University
NCT02299024
the Analgesic Duration of Dexmedetomidine Compared to Dexamethasone as Adjuncts to Single Shot Interscalene Block
Montefiore Medical Center
NCT02653144
Controlled Substance Treatment Agreements in an Internal Medicine Residents' Clinic
Ohio State University
NCT02244099
Application of Economics & Social Psychology to Improve Opioid Prescribing Safety (AESOPS): R21 Pilot Phase
University of Southern California
NCT03773484
Opioid Modulation and Neural Reward Activation in Healthy Adults
University of Colorado, Denver
NCT04854551
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Opioid Use, Unspecified records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Opioid Use, Unspecified 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 Opioid Use, Unspecified page
10 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Opioid Use, Unspecified trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Northwestern University sponsors the most Opioid Use, Unspecified trials on record, review their full trial history before evaluating a specific study. See Northwestern University'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 Opioid Use, Unspecified condition card totals 10 registered trials; most-linked intervention Additional Opioid Information; top US site state Illinois. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.