2026 data ClinicalTrials.gov official source

Conditions: P

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

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

2,857 conditions starting with "P"

Showing 751–800 of 2,857

Condition	Trials	Recruiting
Penile Carcinoma	2	1
Penile Injection Therapy	1	-
Penile Mucosal Melanoma	1	1
Penile Prosthesis Infection	1	-
Penile Prosthesis; Complications, Infection or Inflammation	1	-
Penile Squamous Cell Carcinoma	1	1
Penis/Injuries	1	1
Penis/Surgery	1	1
Penis/Transplantation	1	1
Pentalogy of Cantrell	2	-
People Living With HIV	2	1
People Who Use Opioids/People With Opioid Use Disorder (OUD)	2	2
Peppermint Oil	1	-
Peptic Ulcer	3	-
Peptic Ulcer Hemorrhage	3	-
Peptic Ulcer Perforation	1	-
Peptic Ulcer, Acute With Hemorrhage	1	-
Perceived Burdensomeness	2	1
Perceived Discrimination	1	1
Perceived Exertion	1	-
Perceived School Safety	1	1
Perceived Stress	5	2
Percent of Glottic Opening	1	-
Perception Disorders	1	1
Perception, Self	1	-
Perceptions	1	-
Perceptual Adaptation	1	1
Perceptual Disorders	1	-
Perceptual Learning	1	1
Percutaneous Access	1	-
Percutaneous Coronary Intervention	13	3
Percutaneous Coronary Intervention (PCI)	2	1
Percutaneous Intervention of the Carotid Arteries.	1	-
Percutaneous Large Hole Vascular Closure	1	-
Percutaneous Transluminal Coronary Angioplasty	1	1
Perennial Allergic Rhinitis	5	-
Perennial Allergic Rhinitis (PAR)	1	1
Perforated Appendicitis	2	1
Perforated Bowel	1	1
Perforated Marginal Ulcer	1	-
Perforation Bowel	1	1
Perforation Colon	2	1
Perforation Duodenal	1	1
Performance	1	1
Performance Anxiety	2	-
Performance Assessment	1	1
Performance at Work	1	1
Performance Enhancement	2	1
Performance Enhancing Product Use	1	-
Performance Status	1	1

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