National Institute of Allergy and Infectious Diseases (NIAID)

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, National Institute of Allergy and Infectious Diseases (NIAID) sits in the top decile of US sponsors by registered trial count (#5 of 15,742 sponsors by registered trial count).

2,006 total trials 155 currently recruiting 1642 completed early-phase tilt top decile by trial count

National Institute of Allergy and Infectious Diseases (NIAID): 2,006 sponsored US clinical trials, 155 recruiting.

National Institute of Allergy and Infectious Diseases (NIAID) sponsors 2,006 registered US clinical trials on ClinicalTrials.gov, 155 of them currently recruiting, and 1,642 completed. 177 of these trials are in Phase 3-4 (later-stage) and 1,291 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is HIV Infections, with 195 trials.

Top-decile sponsor footprint

National Institute of Allergy and Infectious Diseases (NIAID) ranks in the top decile of sponsors by registered trial count (#5 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 68/100

1,642 of 1,802 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (91.1%), 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

2,006 total, page 30 of 41

COMPLETED

A Comparison of Two Tests for Anti-HIV Drug Resistance

NCT00006490

COMPLETED Phase 2

Evaluation of Patients Who Have Not Had Success With Zidovudine

NCT00001025

COMPLETED

Detection of Human Immunodeficiency Virus Type 1 (HIV-1) in Vaginocervical Secretions: Correlation With Clinical Status, Virologic and Immunologic Parameters, and the Presence of Other Infections

NCT00000858

COMPLETED Phase 2

The Anti-HIV Effects of Saquinavir Soft Gelatin Capsules Versus Indinavir in Patients Who Have Used Saquinavir Hard Gelatin Capsules for One Year

NCT00000848

COMPLETED Phase 3

Comparison of Foscarnet Versus Vidarabine in the Treatment of Herpes Infection in Patients With AIDS Who Have Not Had Success With Acyclovir

NCT00000985

COMPLETED Phase 3

The Safety and Effectiveness of Zidovudine in HIV-Infected Pregnant Women and Their Infants

NCT00000960

COMPLETED Phase 1

Randomized, Double-Blind, Placebo-Controlled Trial of Nimodipine for the Neurological Manifestations of HIV-1

NCT00000738

COMPLETED Phase 3

Prevention of Kidney Transplant Rejection

NCT00005010

COMPLETED Phase 1

A Phase I/II Trial of Vaccine Therapy of HIV-1 Infected Individuals With 50-500 CD4 Cells/mm3

NCT00000755

COMPLETED Phase 2

Safety and Effectiveness of Adding Either an HIV Vaccine, Interleukin-2, or Both to a Patient's Anti-HIV Drug Combination

NCT00006291

COMPLETED Phase 1

Safety and Immune Response to Recombinant Live-Attenuated Influenza H2N2 Virus Vaccine

NCT00722774

COMPLETED NA

Four-Drug Combination Therapy With Zidovudine, Lamivudine, 1592U89 (Abacavir), and 141W94 (Amprenavir) in HIV-Infected Patients

NCT00006617

COMPLETED Phase 2

A Phase II Study of Intermittent Recombinant Human Interleukin-2 (rhIL-2) by Intravenous or Subcutaneous Administration in Subjects With HIV Infection on Highly Active Antiretroviral Therapy (HAART) Compared to HAART Alone

NCT00000870

COMPLETED Phase 3

A Phase III Randomized Trial of Low-Dose Versus Standard-Dose mBACOD Chemotherapy With rGM-CSF for Treatment of AIDS-Associated Non-Hodgkin's Lymphoma

NCT00000658

COMPLETED NA

The Effects of Staggered Dosing on Interactions Between Paired Combinations of Nelfinavir, Ritonavir, and Saquinavir

NCT00000898

COMPLETED NA

Suppression of Cytomegalovirus Retinitis Utilizing High Dose Intravenous Acyclovir and Oral Zidovudine in Patients With AIDS

NCT00000693

COMPLETED Phase 3

An Open, Prospective, Multicenter Study of Trimetrexate With Leucovorin Rescue for AIDS Patients With Pneumocystis Carinii Pneumonia (PCP) and Serious Intolerance to Approved Therapies

NCT00000714

COMPLETED Phase 2

A Study of the Safety and Effectiveness of Hydroxyurea in Patients on Potent Antiretroviral Therapy and Who Have Less Than 200 Copies/ml of HIV RNA in Their Blood

NCT00000916

COMPLETED NA

A Study of Stem Cells and Filgrastim

NCT00001071

COMPLETED Phase 3

A Controlled Comparative Trial of Sulfamethoxazole-Trimethoprim Versus Aerosolized Pentamidine for Secondary Prophylaxis of Pneumocystis Carinii Pneumonia in AIDS Patients Receiving Azidothymidine (AZT)

NCT00000727

COMPLETED Phase 1

A Study of the Safety and Effectiveness of a Chickenpox Vaccine in HIV-Infected Children

NCT00000837

COMPLETED NA

The Effects of Zidovudine on the Blood of HIV-Infected Patients

NCT00000965

COMPLETED Phase 1

Adding New Drugs for HIV Infected Patients Failing Current Therapy

NCT00031044

COMPLETED NA

Pilot Study to Determine the Feasibility of Fluconazole for Induction Treatment and Suppression of Relapse of Histoplasmosis in Patients With the Acquired Immunodeficiency Syndrome

NCT00000627

COMPLETED Phase 3

Comparison of Three Different Initial Treatments Without Protease Inhibitors for HIV Infection

NCT00013520

COMPLETED Phase 1

A Phase I Randomized Dose/Formulation Comparison Study of SC-52151

NCT00000806

COMPLETED Phase 2

Comparison of Anti HIV Drugs Used Alone or in Combination With Cytosine Arabinoside to Treat Progressive Multifocal Leukoencephalopathy (PML) in HIV-Infected Patients

NCT00001048

COMPLETED Phase 1

A Study to Evaluate the Safety and Tolerance of Stavudine (d4T) in Combination With Lamivudine (3TC) in HIV-Positive Pregnant Women and Their Infants

NCT00000878

COMPLETED Phase 1

Randomized, Phase I/II, Dose-Ranging, Open-Label Trial of the Anti-HIV Activity of Delavirdine Mesylate (DLV; U-90,152S)

NCT00000810

COMPLETED Phase 1

Chemoprevention of Anal Neoplasia Arising Secondary to Anogenital Human Papillomavirus Infection in Persons With HIV Infection.

NCT00000764

COMPLETED Phase 3

A Study of Zidovudine in HIV-Infected Patients Who Have Hemophilia

NCT00001104

COMPLETED Phase 3

A Phase III Randomized Trial of Topical Vaginal Fluorouracil (5-Fluorouracil, 5-FU) Maintenance Therapy Versus Observation After Standard Treatment for High-Grade Cervical Dysplasia in HIV-Infected Women

NCT00000758

COMPLETED Phase 1

A Study of Didanosine Use Alone or in Combination With Zidovudine in Infants Exposed to or Infected With HIV

NCT00001049

COMPLETED Phase 1

A Study of Chemotherapy Plus Azidothymidine in the Treatment of Kaposi's Sarcoma in Patients With AIDS

NCT00000987

COMPLETED Phase 2

Phase II Trial of Sequential Chemotherapy and Radiotherapy for AIDS-Related Primary Central Nervous System Lymphoma

NCT00000801

COMPLETED Phase 4

Comparison of Two Treatments to Prevent Invasive Fungal Infections in Patients Who Have Received Liver Transplants

NCT00001107

COMPLETED Phase 1

A Phase I Safety and Immunogenicity Trial of UBI HIV Lipopeptide Vaccine Component P3C541b in HIV-1 Seronegative Human Subjects

NCT00000845

COMPLETED Phase 3

The Safety and Effectiveness of Clarithromycin and Rifabutin Used Alone or in Combination to Prevent Mycobacterium Avium Complex (MAC) or Disseminated MAC Disease in HIV-Infected Patients

NCT00001030

COMPLETED Phase 1

A Study of Zidovudine in Infants Exposed to the HIV Before or Soon After Birth

NCT00001007

COMPLETED NA

Niacin for Treatment of Elevated Cholesterol and Triglycerides in HIV-Infected Patients

NCT00046267

COMPLETED NA

A Trial of Alternating 2',3'-Dideoxycytidine and Zidovudine in the Treatment of Patients With Advanced HIV Disease

NCT00000719

COMPLETED NA

Effects of Anti-HIV Therapy on Treatment for Hepatitis C in HCV/HIV Infected Adults

NCT00100581

COMPLETED Phase 2

Effects of Changing HIV Therapy at Lower Versus Higher Viral Loads

NCT00036465

COMPLETED NA

Studies of the Ocular Complications of AIDS (SOCA) CMV Retinitis Trial: Foscarnet-Ganciclovir Component

NCT00000665

COMPLETED Phase 2

Comparing Standard-Dose Versus Adjusted-Dose Lopinavir/Ritonavir Therapy in HIV-Infected Persons With Drug Resistance

NCT00046033

COMPLETED

A "Pre-Enrollment" Protocol for HIV-Infected Adolescents

NCT00000780

COMPLETED Phase 1

A Phase I Concentration-Targeted Multidose Study of Atevirdine Mesylate ( U-87201E ), AZT, and ddI or ddC

NCT00000753

COMPLETED Phase 1

A Phase I Safety and Immunogenicity Trial of UBI Microparticulate Monovalent HIV-1 MN Peptide Immunogen in HIV-1 Seronegative Human Subjects

NCT00000798

COMPLETED Phase 1

Safety of and Immune Response to an HIV Vaccine (SF-2 gp120) With or Without MTP-PE/MF59 Adjuvant

NCT00001019

COMPLETED Phase 2

A Study of Dideoxyinosine (ddI) in HIV-Infected Children Who Have Not Had Success With Zidovudine or Who Cannot Take Zidovudine

NCT00000963

← Previous Page 30 of 41 Next →

Phase Distribution

PhaseTrial count
Phase 1 858
Phase 2 433
Phase 3 123
Phase 4 54

What is open in the National Institute of Allergy and Infectious Diseases (NIAID) pipeline

155 recruiting of 2,006 indexed (8% open); 1,642 completed (82%).

Phase mix: 177 late (III/IV) vs 1,291 early (I/II) (early-phase heavy).

Top condition: HIV Infections (195 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 of Allergy and Infectious Diseases (NIAID): open-pipeline peers nationwide

Peers matched on 2,006 registered trials and 8% open enrollment, not the therapeutic-area sidebar.

National Institute of Allergy and Infectious Diseases (NIAID) 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 05001,0001,5002,0002,500 5%10%15%20% Total trials Recruiting share National Institute of Allergy and Infectious Diseases (NIAID)Massachusetts General HospitalMemorial Sloan Kettering Cancer CenterPfizerStanford UniversityAlumisAndrei IagaruBioXcel TherapeuticsCorporal Michael J. Crescenz VA Medical Center
National Institute of Allergy and Infectious Diseases (NIAID) 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 of Allergy and Infectious Diseases (NIAID) 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 2,006 trials (± recruiting share)

Sponsors near 8% open enrollment (± trial volume)

What to do with this National Institute of Allergy and Infectious Diseases (NIAID) page

2,006 registered trials is a research-attention snapshot, not an endorsement of National Institute of Allergy and Infectious Diseases (NIAID) or any single study.

  • 155 of National Institute of Allergy and Infectious Diseases (NIAID)'s trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • HIV Infections is the condition National Institute of Allergy and Infectious Diseases (NIAID) studies most, compare against other sponsors active in the same condition before evaluating a specific study. See HIV Infections 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 of Allergy and Infectious Diseases (NIAID) pipeline card: 2,006 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.