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 751–800 of 1,113

Condition	Trials	Recruiting
Intergenerational Relations	1	1
Interleukin-3 Receptor Subunit Alpha Positive	1	-
Intermediate Age-Related Macular Degeneration	1	1
Intermediate Grade B-Cell Non-Hodgkin's Lymphoma	1	1
Intermediate Grade Lung Neuroendocrine Neoplasm	1	-
Intermediate Risk Non-Muscle Invasive Bladder Cancer	1	1
Intermittent Claudication	12	3
Intermittent Exotropia	3	1
Intermittent Explosive Disorder	4	3
Intermittent Fasting	1	1
Intermittent Hypoxemia	2	1
Intermittent Hypoxia	1	-
Internal Carotid Artery Stenosis	1	-
Internal Disc Disruption	1	-
Internal Fixation	1	1
Internal Fixation; Complications, Infection or Inflammation	1	1
Internal Hemorrhoid	1	1
Internal Hemorrhoids	2	1
Internal Hernia	3	2
Internal Iliac Aneurysm	1	-
Internal Medicine Patients	1	-
Internalizing Behavior	1	-
Internalizing Disorders	1	1
Internalizing Mental Health Symptoms	2	1
Internalizing Psychopathologies (IPs) Depression and Anxiety	1	-
Internship and Residency	1	-
Interoception	2	1
Interpersonal Emotion Regulation	1	1
Interpersonal Relations	5	1
Interpersonal Trauma	1	1
Interpersonal Violence	2	1
Interprofessional Relations	3	-
Interrupted Subdermal Suture	1	-
Interstitial Cystitis	28	12
Interstitial Cystitis (Chronic) With Hematuria	1	1
Interstitial Cystitis (Chronic) Without Hematuria	1	1
Interstitial Cystitis, Chronic	1	1
Interstitial Cystitis/Painful Bladder Syndrome	1	-
Interstitial Fibrosis (IF)	1	1
Interstitial Lung Abnormalities	1	1
Interstitial Lung Disease	37	27
Interstitial Lung Disease (ILD)	2	1
Interstitial Lung Disease Due to Connective Tissue Disease (Disorder)	1	1
Interstitial Lung Disease Due to Systemic Disease	1	1
Interstitial Lung Disease Due to Systemic Disease (Telomere Biology Disorder)	1	1
Interstitial Lung Diseases	3	3
Interstitial Pneumonia	1	-
Interstitial Pneumonitis	1	1
Intertrochanteric Femur Fractures	1	-
Intertrochanteric Fractures	3	3

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

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