2026 data ClinicalTrials.gov official source

Conditions: I

Compiled by PlainTrial Editorial, Clinical Trial Intelligence Editorial Team · January 1, 2026

Every condition beginning with I that has a registered US clinical trial, with how many studies cover each.

1,113 conditions starting with "I"

Showing 551–600 of 1,113

Condition	Trials	Recruiting
Inflammatory Bone Disease	1	-
Inflammatory Bowel Disease	29	12
Inflammatory Bowel Disease (Crohn's Disease and Ulcerative Colitis)	1	1
Inflammatory Bowel Disease (IBD)	13	8
Inflammatory Bowel Disease (IBD); Anemia	1	1
Inflammatory Bowel Diseases	49	27
Inflammatory Bowel Diseases (IBD)	1	-
Inflammatory Bowel Syndrome	2	1
Inflammatory Breast Cancer	6	2
Inflammatory Breast Cancer (IBC)	1	-
Inflammatory Breast Cancer Stage III	1	1
Inflammatory Breast Carcinoma	3	1
Inflammatory Conditions	2	2
Inflammatory Cytokine Response	1	-
Inflammatory Disease	6	2
Inflammatory Diseases	1	1
Inflammatory Dry Eye Disease	1	1
Inflammatory Markers	4	4
Inflammatory Mediators	1	-
Inflammatory Myopathy	1	1
Inflammatory Myopathy, Idiopathic	1	1
Inflammatory Polyneuropathy	1	1
Inflammatory Reaction After Neonatal Cardiac Surgery	1	-
Inflammatory Response	17	5
Influenza	157	27
Influenza a	11	1
Influenza A H1N1	2	-
Influenza A H3N2	2	-
Influenza A Virus Infection	1	-
Influenza A Virus, H5N1 Subtype	1	-
Influenza B	5	1
Influenza Immunisation	1	-
Influenza Immunization	4	-
Influenza Prevention	2	2
Influenza Prophylaxis	1	-
Influenza Type A	1	-
Influenza Type B	3	-
Influenza Vaccination	4	1
Influenza Vaccine	2	1
Influenza Vaccine Response	1	1
Influenza Vaccines	2	1
Influenza Viral Infections	2	-
Influenza, Human	19	3
Influenza, Pandemic	2	-
Influenza-like Illness	6	1
Informal Caregivers	3	2
Information Dissemination	3	1
Information Literacy	1	-
Information Processing	1	-
Information Seeking Behavior	2	1

Data sourced from official public datasets. See our methodology for details.