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National Institute of Allergy and Infectious Diseases (NIAID) clinical trials

Listed in the registry as: U.S. National Institutes of Health.

The registry lists 2,445 studies whose lead sponsor is National Institute of Allergy and Infectious Diseases (NIAID). 182 are recruiting or about to start. Per ClinicalTrials.gov, last updated Oct 23, 2026.

Keep track of what changes. Save the National Institute of Allergy and Infectious Diseases (NIAID) studies recruiting or about to start, and get an email each week — studies that open, close, add sites or post results.

Watch these studies

Status

Completed
1,924
Terminated
183
Recruiting
157
Withdrawn
96
Active, not recruiting
33
Status unknown
21

Phase

Phase 1
961
Phase 2
685
Phase 3
171
Phase 4
61
Early Phase 1
17

Where

United States
2,092
Puerto Rico
184
South Africa
93
Thailand
66
Uganda
64
Brazil
63

Focus areas

Conditions National Institute of Allergy and Infectious Diseases (NIAID) leads ten or more studies in, by study count. A broader condition is left out when almost all its studies are already in a narrower one listed here.

HIV Infections728Infections308Influenza, Human186Communicable Diseases163Malaria120Tuberculosis82COVID-1957Immunologic Deficiency Syndromes53Influenza in Birds47Virus Diseases44Hypersensitivity39Pneumonia39Dengue36Hepatitis C36Asthma35Pneumonia, Pneumocystis32Dermatitis, Atopic30Granulomatous Disease, Chronic30Cytomegalovirus Infections28Malaria, Falciparum28Diabetes Mellitus, Type 125Dermatitis24Mycobacterium Infections24Eczema23
Show all 62 areas
Cytomegalovirus Retinitis21Herpes Simplex21Respiratory Syncytial Virus Infections21Vaccinia21Coronavirus Infections20Hemorrhagic Fever, Ebola18Smallpox18Tuberculosis, Pulmonary18AIDS-Related Complex17Mycobacterium avium-intracellulare Infection17Sarcoma, Kaposi17Autoimmune Diseases16Food Hypersensitivity16Hepatitis B16Kidney Diseases16Kidney Failure, Chronic16Gonorrhea15HIV Seropositivity15Granuloma14Multiple Sclerosis14Primary Immunodeficiency Diseases14Bacterial Infections13Lipodystrophy13Lupus Erythematosus, Systemic13Renal Insufficiency13Gastroenteritis12Granulomatosis with Polyangiitis12Lyme Disease12Zika Virus Infection12Candidiasis11Encephalitis11Respiratory Tract Infections11Sclerosis11Vasculitis11Opportunistic Infections10Rhinitis10Severe Acute Respiratory Syndrome10Staphylococcal Infections10

Studies

Recruiting first, then most recently updated. Showing 50 of 2,445. Browse all 2,445 →