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 5 of 7

COMPLETED Phase 1

Comparing the Effects of Smoked and Oral Marijuana in Individuals With HIV/AIDS

NCT00079560

COMPLETED Phase 2

Treatment of Opioid/Heroin Dependence: Comparison of Three Medication Dosing Regimens

NCT00218127

COMPLETED Phase 2

Effectiveness of GABA Agonists in Reducing the Reinforcing Effects of Cocaine

NCT00218166

COMPLETED Phase 1

Using Smokeless Tobacco Products With Lower Nicotine Levels to Reduce Negative Effects of Smokeless Tobacco Use

NCT00218244

TERMINATED Phase 4

Nicotine Patch for Nicotine Dependence in Individuals With Schizophrenia or Schizoaffective Disorder - 1

NCT00046813

COMPLETED Phase 2

Reserpine for the Treatment of Cocaine Dependence - 1

NCT00033033

COMPLETED Phase 2

A Study of Cabergoline for the Treatment of Cocaine Dependence - 1

NCT00033111

COMPLETED Phase 2

Evaluation of Benztropine for Cocaine Craving - 2

NCT00000333

COMPLETED Phase 2

Ondansetron for the Treatment of Cocaine Dependence - 1

NCT00033085

COMPLETED NA

Randomized Trial of the Positive Action Program in Hawaii Schools

NCT00328445

COMPLETED Phase 2

Serotonin, Impulsivity, and Cocaine Dependence Treatment

NCT00297505

COMPLETED NA

Fluoxetine to Reduce Cocaine Use in Cocaine and Opioid Addicts

NCT00142779

COMPLETED Phase 3

Lofexidine for Opiate Withdrawal - 1

NCT00032942

COMPLETED Phase 2

Integrated Treatment for Cocaine and Mood Disorders - 1

NCT00227812

COMPLETED Phase 3

Selegiline Transdermal System for the Treatment of Cocaine Dependence - 1

NCT00032929

COMPLETED Phase 4

Substance Dependent Teens - Impact of Treating Depression Study 1 - 1

NCT00061113

COMPLETED Phase 2

Reduction of Smoking in Cardiac Disease Patients

NCT00469885

COMPLETED

Physiological, Cognitive and Cerebral Activity Changes as a Function of Cigarette Smoking (With or Without Nicotine) and Tobacco Abstinence

NCT01034384

COMPLETED NA

Blockade Efficacy of Buprenorphine/Naloxone For Opioid Dependence

NCT00134888

COMPLETED Phase 3

Naltrexone Augmentation of Nicotine Patch Therapy - 1

NCT00218153

COMPLETED

Methadone Levels in Breast Milk of Women Taking Methadone for Opiate Addiction - 2

NCT00218010

COMPLETED

Examining the Role of Negative Emotional States on Sedative Drug Use in Individuals With Post-Traumatic Stress Disorder

NCT00244335

COMPLETED Phase 2

Effectiveness of Nefazodone and Bupropion in Treating Marijuana Dependent Individuals

NCT00249509

COMPLETED Phase 1

Medication Adherence Therapy for Opioid Abusing Pain Patients

NCT00249587

COMPLETED Phase 2

Effectiveness of Divalproex Sodium (Depakote) in Treating Children With Temper Outbursts and Severe Mood Swings

NCT00217932

COMPLETED Phase 3

Maintenance Treatment for Abstinent Smokers

NCT00063323

COMPLETED

Chemical Dependency and Smoking Cessation: Patient's Views - 1

NCT00051883

COMPLETED NA

Student Athlete Testing Using Random Notification

NCT00451854

COMPLETED Phase 4

Buprenorphine/Naloxone in the Treatment of Heroin Dependence - 14

NCT00015340

COMPLETED Phase 2

Safety, Tolerability and Efficacy of the Nicotine Patch and Gum for the Treatment of Adolescent Tobacco Dependence

NCT01208935

COMPLETED Phase 2

Progesterone Treatment in Female Smokers - 12

NCT00000295

COMPLETED Phase 4

Bupropion as an Adjunct to the Nicotine Patch Plus CBT

NCT00142831

COMPLETED Phase 2

Tiagabine, Sertraline, or Donepezil for the Treatment of Cocaine Dependence - 9

NCT00015132

COMPLETED Phase 3

Effect of Nefazodone on Relapse in Females With Cocaine Abuse - 10

NCT00000293

COMPLETED Phase 3

Motivation and Patch Treatment for HIV-positive Smokers

NCT00551720

COMPLETED Phase 2

Effects of Labetalol on Nicotine Administration in Humans - 14

NCT00000297

COMPLETED Phase 2

Effects of Carvedilol on Cocaine Use in Humans - 11

NCT00000294

COMPLETED Phase 2

Methylphendidate Treatment of Cocaine Dependent Patients With Attention Deficit Hyperactivity Disorder - 3

NCT00015054

COMPLETED Phase 4

Safety and Effectiveness of Sustained Release Bupropion in Treating Individuals With Schizophrenia Who Smoke

NCT00307203

COMPLETED

PET Assays of Striatal Dopamine Marker in Cocaine Craving

NCT01036516

COMPLETED Phase 2

High Dose Nimodipine Treatment Adjunct - 1

NCT00000332

COMPLETED Phase 2

Role of Metabolites in Nicotine Dependence (3) - 6

NCT00000289

COMPLETED Phase 1

Cocaine-Methylphendidate Interaction Study - 4

NCT00015067

COMPLETED Phase 2

Role of Metabolites in Nicotine Dependence (4) - 13

NCT00000296

COMPLETED Phase 2

Resperine, Gabapentin, or Lamotrigine for the Treatment of Cocaine Dependence: 2 - 7

NCT00015106

COMPLETED Phase 2

Effects of Labetalol on Human Cocaine Use - 8

NCT00000291

COMPLETED Phase 1

Buprenorphine Formulation Comparison: Sublingual Tablet vs. Solution - 1

NCT00000320

COMPLETED Phase 2

Temporal Discounting Delayed Outcomes on Opioid-Dependent Outpatients - 20

NCT00000238

COMPLETED Phase 2

Dextroamphetamine as an Adjunct in Cocaine Treatment - 1

NCT00000304

COMPLETED Phase 2

Risperidone for Treatment of Cocaine Dependence in Outpatients - 12

NCT00000347

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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.