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 251–300 of 530

Condition	Trials	Recruiting
Untreated Resectable Pancreatic Adenocarcinoma	1	-
Untreated Stage IV or Recurrent Squamous Cell Lung Cancers	1	-
Untreated, Unresectable, or Metastatic Colorectal Cancer	1	1
Ununited Humeral Head Fracture	1	-
Unverricht-Lundborg Disease	1	1
Unwanted Tattoos	2	-
Upper Abdomen Cancers	1	-
Upper Abdominal Malignancies	1	1
Upper Airway Exercise	1	-
Upper Airway Obstruction	1	-
Upper Body Obesity	1	-
Upper Endoscopy	1	1
Upper Extremity	1	-
Upper Extremity Amputee	1	1
Upper Extremity Deformities, Congenital	2	1
Upper Extremity Dysfunction	4	2
Upper Extremity Essential Tremor	1	1
Upper Extremity Hemiparesis	1	1
Upper Extremity Impairments	2	1
Upper Extremity Injuries	1	1
Upper Extremity Injury	2	-
Upper Extremity Pain	2	1
Upper Extremity Paralysis	1	-
Upper Extremity Paresis	8	6
Upper Extremity Problem	3	2
Upper Extremity Trauma	1	1
Upper Extremity Weakness	2	1
Upper Facial Lines (Glabellar Lines, Forehead Lines, & Lateral Canthal Lines)	1	-
Upper Gastrointestinal Bleed	1	-
Upper Gastrointestinal Bleeding	1	-
Upper Gastrointestinal Cancer	1	-
Upper Gastrointestinal Discomfort	1	1
Upper Gastrointestinal Motility Disorders	1	-
Upper Gastrointestinal Symptoms	1	-
Upper Limb	3	2
Upper Limb Amputation Above Elbow	1	1
Upper Limb Amputation Above Elbow (Injury)	1	1
Upper Limb Amputation at the Hand	1	-
Upper Limb Amputation at the Wrist	2	1
Upper Limb Amputation Below Elbow	1	1
Upper Limb Amputation Below Elbow (Injury)	4	2
Upper Limb Amputees	1	1
Upper Limb Essential Tremor (UL ET)	1	-
Upper Limb Hemiparesis Following Stroke	1	1
Upper Respiratory Disease	1	1
Upper Respiratory Infection	3	1
Upper Respiratory Infections	1	-
Upper Respiratory Tract Infection	1	-
Upper Respiratory Tract Infections	2	-
Upper Respiratory Tract Infections Due to Influenza or Rhinovirus	1	-

Browse all → | Rankings →

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

Related