2026 data ClinicalTrials.gov official source

Conditions: U

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

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

530 conditions starting with "U"

Showing 51–100 of 530

Condition	Trials	Recruiting
Unaffected Mutation Carriers: Healthy Participants With a Known BMPR2 Gene Mutation and Normal Pulmonary Pressure and RV Function on Echo	1	1
Unaffected Relatives of Laryngeal Dystonia Patients	1	1
Unauthorized Data Access	1	-
Unbalanced AV Canal	1	1
Uncertainty	1	-
Unclassified Renal Cell Carcinoma	5	-
Unclassified Tumor, Malignant	1	1
Uncommon EGFR Mutations	1	1
Uncomplicated Diverticular Disease	1	-
Uncomplicated Pregnancy	1	1
Uncomplicated Urinary Tract Infections	1	-
Uncomplicated Urogenital Gonorrhea	1	-
Uncontrolled Asthma	1	-
Uncontrolled Diabetes	1	-
Uncontrolled Diabetes (HBA1c ≥ 10)	1	-
Uncontrolled Gout	3	2
Uncontrolled Hypertension	11	6
Uncontrolled Partial Epilepsy	1	-
Uncontrolled Stage 2 Hypertension	1	-
Undefined	2	2
Undefined Congenital Myopathy	1	1
Underage Drinking	2	1
Undergoing Deep Brain Stimulation (DBS) Surgery	1	1
Undermined and Tunneling Wounds	1	1
Understanding of Consent in Clinical Research	1	-
Understanding of Medication Instructions	1	-
Underweight	1	1
Undesired Pregnancy	1	-
Undiagnosed Conditions	1	1
Undiagnosed Disease	3	2
Undiagnosed Diseases	2	2
Undiagnosed Disorders	1	1
Undifferentiated Connective Tissue Disease	1	1
Undifferentiated Leukemia	3	2
Undifferentiated Ovarian Carcinoma	1	-
Undifferentiated Pleomorphic Sarcoma	6	2
Undifferentiated Pleomorphic Sarcoma (UPS)	1	-
Undifferentiated Sarcoma	3	2
Unemployment	3	-
Unexplained Chronic Cough	1	1
Unexplained Proteinuria	1	-
Unhealthy Alcohol Use	3	2
Unhealthy Diet	1	-
Unhealthy Volunteers	1	1
Unilateral Cerebral Palsy	1	1
Unilateral Deafness	2	1
Unilateral Hip Arthroscopy	1	1
Unilateral Hip Fracture	1	-
Unilateral Post-Traumatic Osteoarthritis of Knee	1	-
Unilateral Retinoblastoma	3	2

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

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