Alkermes

Open enrollment across a mixed-phase pipeline

According to ClinicalTrials.gov-derived indexes, Alkermes sits in the top decile of US sponsors by registered trial count (#314 of 15,742 sponsors by registered trial count).

66 total trials 6 currently recruiting 58 completed top decile by trial count

Alkermes: 66 sponsored US clinical trials, 6 recruiting.

Alkermes sponsors 66 registered US clinical trials on ClinicalTrials.gov, 6 of them currently recruiting, and 58 completed. 28 of these trials are in Phase 3-4 (later-stage) and 36 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Schizophrenia, with 7 trials.

Top-decile sponsor footprint

Alkermes ranks in the top decile of sponsors by registered trial count (#314 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

B 82/100

58 of 60 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (96.7%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Open and recent trials

66 total, page 2 of 2

COMPLETED Phase 2

ALK37-007: Evaluation of Safety and Efficacy of ALKS 37 (RDC-1036) in Adults With Opioid-induced Constipation (OIC)

NCT01418092

COMPLETED

ALK21-025: Vivitrol's Cost and Treatment Outcomes Registry

NCT01422837

COMPLETED Phase 2

ALK37-005: A Study of ALKS 37 (RDC-1036) in Adults With Opioid-induced Constipation (OIC)

NCT01382797

COMPLETED Phase 1

ALK33BUP-101: Safety and Pharmacodynamic Effects of ALKS 33-BUP Administered Alone and When Co-administered With Cocaine

NCT01366001

COMPLETED Phase 1

ALK33BUP-201: Safety and Tolerability Study of ALKS 33-BUP (ALKS 5461) Administration in Subjects With MDD

NCT01381107

COMPLETED Phase 4

A Study of VIVITROL in the Prevention of Re-arrest and Re-incarceration

NCT01453374

COMPLETED Phase 2

ALK33-101: A Study of RDC-0313 (ALKS 33) in Adults With Binge Eating Disorder

NCT01098435

COMPLETED Phase 2

ALK37-003: A Study of RDC-1036 (ALKS 37) in Adults With Opioid-induced Constipation (OIC)

NCT01100151

COMPLETED Phase 2

ALK33-005: A Study of ALKS33 (RDC-0313) in Adults With Alcohol Dependence

NCT00981617

COMPLETED Phase 2

Single Dose Study of N1539 in the Treatment of Pain Secondary to Dental Impaction Surgery

NCT00945763

COMPLETED Phase 3

ALK21-021: A Safety Study of Medisorb® Naltrexone (VIVITROL®) Administered to Health Care Professionals

NCT00834080

COMPLETED Phase 2

ALK27-001: A Study of Trospium Inhalation Powder (TrIP)Administered to Subjects With COPD

NCT00801684

COMPLETED Phase 1

ALK33-001: A Study of RDC-0313 Administered to Healthy Adults

NCT00800319

COMPLETED Phase 1

ALK29-002: A Study of Baclofen Formulations in Healthy Adults

NCT00802035

COMPLETED Phase 4

ALK21-018: Effects of Medisorb® Naltrexone (VIVITROL®) on Alcohol Craving in Treatment-seeking, Alcohol-dependent Adults

NCT00511836

COMPLETED Phase 1

The Safety and Effectiveness of RMP-7 Plus Amphotericin B in Patients With HIV and Cryptococcal Meningitis

NCT00002316

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What is open in the Alkermes pipeline

6 recruiting of 66 indexed (9% open); 58 completed (88%).

Phase mix: 28 late (III/IV) vs 36 early (I/II) (balanced across stages).

Top condition: Schizophrenia (7 trials), 9 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Alkermes: open-pipeline peers nationwide

Peers matched on 66 registered trials and 9% open enrollment, not the therapeutic-area sidebar.

Alkermes sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 020406080 5%10%15%20% Total trials Recruiting share AlkermesCornell UniversityNew Mexico Cancer Research AllianceUniversity of KansasPrisma Health-UpstateDBV TechnologiesFlorida Gulf Coast UniversityGenfitHiberCell
Alkermes sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Alkermes sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 66 trials (± recruiting share)

Sponsors near 9% open enrollment (± trial volume)

What to do with this Alkermes page

66 registered trials is a research-attention snapshot, not an endorsement of Alkermes or any single study.

  • 6 of Alkermes's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Schizophrenia is the condition Alkermes studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Schizophrenia 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.

Alkermes pipeline card: 66 registered trials from official public datasets.Report a data error.