National Institute on Drug Abuse (NIDA)

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, National Institute on Drug Abuse (NIDA) sits in the top decile of US sponsors by registered trial count (#108 of 15,742 sponsors by registered trial count).

335 total trials 14 currently recruiting 292 completed early-phase tilt top decile by trial count

National Institute on Drug Abuse (NIDA): 335 sponsored US clinical trials, 14 recruiting.

National Institute on Drug Abuse (NIDA) sponsors 335 registered US clinical trials on ClinicalTrials.gov, 14 of them currently recruiting, and 292 completed. 30 of these trials are in Phase 3-4 (later-stage) and 202 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Cocaine-Related Disorders, with 17 trials.

Top-decile sponsor footprint

National Institute on Drug Abuse (NIDA) ranks in the top decile of sponsors by registered trial count (#108 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

C 71/100

292 of 316 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (92.4%), 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

335 total, page 4 of 7

COMPLETED Phase 2

Effectiveness of Bupropion for Treating Nicotine Dependence in Young People

NCT00129272

COMPLETED NA

Examining the Effectiveness of the Nicotine Patch in Male and Female Smokers - 2

NCT00135746

COMPLETED Phase 2

Buprenorphine as a Treatment for Individuals Dependent on Analgesic Opioids

NCT00218101

COMPLETED Phase 1

A Preliminary Study of Sustained-Release Bupropion for Smoking Cessation in Bipolar Affective Disorder

NCT00593099

COMPLETED Phase 1

Neurobiology and Pharmacokinets of Acute MDMA Administration

NCT01148342

COMPLETED Phase 1

Treatment of Heroin and Cocaine With Methadone Maintenance and Contingency Management

NCT00292110

COMPLETED NA

Behavioral Smoking Cessation Treatment - 1

NCT00110825

COMPLETED NA

Preventing Depression in Methadone Maintenance Patients Receiving Hepatitis C Treatment - 1

NCT00218556

COMPLETED NA

Contingency Management for Attendance - 2

NCT00249639

COMPLETED Phase 2

Effect of Bupropion on Smoking Behavior in Smokers With Schizophrenia

NCT00218231

COMPLETED Phase 3

An Hepatitis B Vaccine Model for HIV Vaccine Trials in Drug Users

NCT00841477

TERMINATED Phase 2

Opioid Agonist and Antagonist Effects on Opioid Dependence

NCT00142727

COMPLETED NA

Positive Choice: Prevention for Positive Health

NCT00447707

COMPLETED Phase 4

Methylphenidate Raclopride Positron Emission Tomography (PET) Test - 11

NCT00015301

COMPLETED Phase 1

A Transtheoretical Model Group Therapy for Cocaine

NCT00178776

COMPLETED

Nicotine and Cotinine Levels in Smokers With Schizophrenia and Schizoaffective Disorder - 2

NCT00135772

COMPLETED

Effects of Pre-Session Supplemental Hydromorphone on Drug Seeking Behavior in Opioid Dependent Individuals

NCT00218309

COMPLETED Phase 3

Chronic Hepatitis Intervention Project for Drug Users

NCT00596843

COMPLETED

Real Time Assessment of Drug Craving, Use, and Abstinence During Outpatient: A Development and Feasibility Study

NCT00292136

COMPLETED

Automatic Versus Evaluative Components of Cue Reactivity

NCT01036126

COMPLETED NA

Vouchers vs. Prizes for Methadone Patients - 1

NCT00249522

COMPLETED

Quantitation of Human Cerebral Nicotinie Receptors With 2[18F]FA-85380 and PET Healthy Non-smokers and Ex-Smokers and in Heavy and Light Situational Smokers

NCT01038245

COMPLETED Phase 2

Bupropion for the Treatment of Methamphetamine Dependence - 1

NCT00069251

COMPLETED NA

Modifying Group Therapy for Bipolar Substance Abusers - 1

NCT00227838

COMPLETED Phase 1

Assessment of Potential Interactions Between Cocaine and RPR 102681 - 1

NCT00067535

COMPLETED NA

Bridging Active Heroin Users to Hepatitis C Treatment Using Buprenorphine - 1

NCT00249574

COMPLETED Phase 4

Treatment of Acute Hepatitis C Virus Infection With Pegylated Interferon in Injection Drug Users

NCT00194480

COMPLETED Phase 2

Naltrexone as Adjunct in Alcoholic Cocaine Dependent Patients - 4

NCT00000307

COMPLETED Phase 1

Effectiveness of N-acetylcysteine in Treating Cocaine Dependent Individuals - 1

NCT00136825

COMPLETED Phase 1

Effectiveness of Naltrexone and Lofexidine in Treating Detoxified Heroin Addicts - 1

NCT00218530

COMPLETED Phase 1

Effectiveness of Self-Help for Dually-Diagnosed Persons - 1

NCT00218582

COMPLETED Phase 2

Comparison of Buprenorphine and Methadone - 3

NCT00000334

COMPLETED Phase 1

Cocaethylene as a Treatment for Cocaine Dependence - 1

NCT00124696

COMPLETED Phase 2

Effectiveness of Using Tobacco Free Snuff in Reducing Negative Effects of Smokeless Tobacco Use

NCT00218270

COMPLETED Phase 2

Maintaining Abstinence in Chronic Cigarette Smokers - 1

NCT00087880

COMPLETED NA

Physician Focused Intervention to Improve Adherence With HIV Antiretrovirals

NCT00870792

COMPLETED Phase 2

Tiagabine for the Treatment of Cocaine Dependence - 1

NCT00086255

COMPLETED

Effects of Nicotine on Cognitive Task Performance and Brain Activity as Measured by fMRI

NCT01036711

TERMINATED NA

Effects of Buprenorphine/Naloxone in Treating Opioid Dependent Individuals Who Are Maintained on Methadone

NCT00000243

COMPLETED

Effects of Nicotine on Brain Activity as Measured by fMRI

NCT01037153

COMPLETED Phase 4

Reinforcement-Based Treatment and Abstinence-Contingent Housing for Drug Abusers

NCT00685620

COMPLETED Phase 2

Clonidine as Adjunct Therapy for the Treatment of Neonatal Abstinence Syndrome

NCT00510016

COMPLETED Phase 2

Combination Pharmacotherapy for Smoking Cessation Among Methadone Patients

NCT00060814

COMPLETED Phase 2

Study to Reduce Intravenous Exposures (STRIVE)

NCT00391482

COMPLETED Phase 2

Ondansetron for the Treatment of Methamphetamine Dependence - 1

NCT00040053

COMPLETED Phase 2

Effects of Transdermal Nicotine on Smoking, Craving and Withdrawal in People With Schizophrenia

NCT00218218

TERMINATED Phase 2

Nicotine Replacement Treatment for Pregnant Smokers - 1

NCT00115687

COMPLETED Phase 2

Effectiveness of Various Smoking Cessation Therapies in Reducing Smoking in Adolescents - 1

NCT00158171

COMPLETED Phase 4

Effects of Buspirone in Opiate Withdrawal

NCT00326235

COMPLETED Phase 2

Incentive Programs for Female Substance Abusers Who Smoke - 3

NCT00064922

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What is open in the National Institute on Drug Abuse (NIDA) pipeline

14 recruiting of 335 indexed (4% open); 292 completed (87%).

Phase mix: 30 late (III/IV) vs 202 early (I/II) (early-phase heavy).

Top condition: Cocaine-Related Disorders (17 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.

National Institute on Drug Abuse (NIDA): open-pipeline peers nationwide

Peers matched on 335 registered trials and 4% open enrollment, not the therapeutic-area sidebar.

National Institute on Drug Abuse (NIDA) 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 0100200300400 0%5%10%15%20%25% Total trials Recruiting share National Institute on Drug Abuse (NIDA)BiogenNational Institutes of Health Clinical Center (CC)GenentechCedars-Sinai Medical CenterAkebia TherapeuticsDentsply Sirona Implants and ConsumablesSmith & NephewMedtronic - MITG
National Institute on Drug Abuse (NIDA) 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).

National Institute on Drug Abuse (NIDA) 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 335 trials (± recruiting share)

Sponsors near 4% open enrollment (± trial volume)

What to do with this National Institute on Drug Abuse (NIDA) page

335 registered trials is a research-attention snapshot, not an endorsement of National Institute on Drug Abuse (NIDA) or any single study.

  • 14 of National Institute on Drug Abuse (NIDA)'s trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Cocaine-Related Disorders is the condition National Institute on Drug Abuse (NIDA) studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Cocaine-Related Disorders 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. National Institute on Drug Abuse (NIDA) pipeline card: 335 registered trials from official public datasets. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.