2026 data ClinicalTrials.gov official source

Conditions: W

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

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

241 conditions starting with "W"

Showing 151–200 of 241

Condition	Trials	Recruiting
Widespread Chronic Pain	1	1
Wild Type ATTR Amyloidosis	1	-
Wild-type ATTR-CM (ATTRwt-CM)	1	-
Wild-Type Transthyretin Cardiac Amyloidosis	1	-
Wild-Type Transthyretin-Related (ATTR)Amyloidosis	1	-
Williams Beuren Region Duplication	1	1
Williams Beuren Syndrome	1	1
Williams Syndrome	3	3
Wilms Tumor	15	9
Wilms Tumor and Other Childhood Kidney Tumors	2	1
Wilson Disease	5	3
Wilson's Disease	1	-
Wisconsin Alzheimer's Disease Research Center	1	1
Wisconsin Registry for Alzheimer's Prevention	1	1
Wisdom Tooth	1	1
Wiskott-Aldrich Syndrome	5	-
Withdrawal	1	1
Withdrawal Symptoms	2	1
Withdrawal; Therapeutic Substance	1	-
Withdrawing Treatment	1	-
WNT Pathway	1	1
Wolf Parkinson White Syndrome	1	-
Wolfram Syndrome	3	1
Wolman Disease	5	3
Women	8	4
Women at Increased Risk for Developing Breast Carcinoma	1	-
Women at Risk for Pregnancy	1	-
Women in Labor Given Vancomycin for Prophylaxis	1	-
Women Undergoing an Elective Mastopexy (Breast Lift) or Small Reduction	1	-
Women Veterans	1	1
Women With Breast Implants With and Without Self-reported Systemic Symptoms	1	-
Women With Suspected or Confirmed Recurrent Breast Cancer	1	-
Women's Health	5	2
Women's Health: High-Risk Pregnancy	1	1
Women's Role	1	-
Word Finding Difficulty	2	1
Work Injury	1	1
Work of Breathing	3	1
Work Related Stress	4	1
Work-Related Condition	2	1
Work-related Injury	2	1
Work-Related Stress Disorder	1	-
Working Alliance	1	-
Working Memory	6	4
Workplace Inactivity	1	-
Workplace Migraine Treatment	1	-
Worksite Health Promotion	1	-
World Health Organization (WHO) Grade III Glioma	1	1
Worries; Pain or Disability	2	1
Worry	3	1

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