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 651–700 of 1,113

Condition	Trials	Recruiting
Injection Related Infections	1	1
Injection Site	1	-
Injection Site Discomfort	1	-
Injection Site Infection	2	-
Injection Site Irritation	1	1
Injection Site Reaction	1	-
Injections	1	-
Injections, Intravenous	1	-
Injuries	7	1
Injuries Related Work	2	1
Injuries to the Hand and Wrist	1	-
Injuries, Spinal Cord	2	-
Injury	2	-
Injury in the Home	1	-
Injury Leg	2	2
Injury of Anterior Cruciate Ligament	1	-
Injury of Diaphragm	1	-
Injury of Unknown Intent Due to Fall From Height	1	-
Injury of Ureter During Surgery (Disorder)	1	1
Injury Prevention	2	1
Injury Traumatic	2	1
Injury; Muscle, Ankle, and Foot, Multiple	1	1
Injury; Muscle, Back, Lower	1	-
Injury;Sports	4	-
Innate Immune Cells	1	-
Innate Inflammatory Response	1	-
Innocent Murmurs	1	-
INOCA (Ischemia With Non Obstructive Coronary Artery Disease)	1	1
Inoperable Disease	1	1
Inoperable, Locally Advanced or Metastatic, ER-positive Breast Cancer	1	1
Inpatient	2	1
Inpatient Facility Diagnoses	2	1
Inpatient Pediatric Care	1	1
Inpatients	1	-
Inpatients and Outpatients With Routine 12-lead ECG	1	-
Inpatients With Limited English Proficiency	1	-
Insertion of Peripherally Inserted Central Catheter	1	-
Insomnia	152	62
Insomnia (moderate)	1	-
Insomnia Chronic	17	9
Insomnia Disorder	9	4
Insomnia Due to Medical Condition	1	-
Insomnia, Primary	3	2
Insomnia, Psychophysiological	2	1
Inspiratory Muscle Training	1	1
Instabilities	1	1
Instability of Prosthetic Joint	1	1
Instability, Joint	1	-
Instability; Ankle (Ligaments) (Old Injury)	1	1
Instertional Dyspareunia	1	1

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