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 801–850 of 1,113

Condition	Trials	Recruiting
Intervention	7	5
Intervention Adoption	1	-
Intervention Group	1	1
Intervention Study	2	2
Interventional Radiology	2	1
Intervertebral Disc Degeneration	5	2
Intervertebral Disc Disease	1	-
Intervertebral Disc Disorder Cervical	1	1
Intervertebral Disc Displacement	1	-
Intervertebral Disc Injury	1	1
Intervertebral Disc Stenosis of Neural Canal	1	1
Intervertebral Disk Displacement	1	-
Intestinal Adenocarcinoma of the Stomach	2	-
Intestinal Bacteria Flora Disturbance	1	-
Intestinal Barrier Function	1	-
Intestinal Disease	4	2
Intestinal Diseases	5	2
Intestinal Failure	3	3
Intestinal Failure Associated Liver Disease	1	1
Intestinal Fibrosis	1	1
Intestinal Fistula	1	-
Intestinal Graft Versus Host Disease	1	1
Intestinal Health	1	-
Intestinal Metaplasia	4	-
Intestinal Metaplasia of Gastric Mucosa	1	1
Intestinal Microbiome	2	1
Intestinal Microbiota and Barrier Function	1	-
Intestinal Neoplasms	1	1
Intestinal Neuroendocrine Carcinoma	1	-
Intestinal Perforation	1	-
Intestinal Permeability	4	1
Intestinal Strictures Related to Crohn´s Disease	1	1
Intestinal Transplantation	1	1
Intestinal Worms	1	1
Intimate Partner Violence	15	6
Intimate Partner Violence (IPV)	6	5
Intolerance of Uncertainty	1	1
Intolerance of Uncertainty; Anxiety	1	1
Intoxication	1	-
Intoxication Alcohol	1	-
Intoxication by Drug	1	-
Intoxication Combined Alcohol THC	1	-
Intoxication THC	1	-
Intoxication; Cannabinoids	1	1
Intra - and Extrahepatic Cholangiocarcinoma	1	1
Intra Cerebral Hemorrhage	2	1
Intra-Abdominal Abscess	1	-
Intra-abdominal Cancer	2	1
Intra-Abdominal Fat	1	1
Intra-Abdominal Hypertension	2	1

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