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 2,101–2,150 of 2,857

Condition	Trials	Recruiting
Pressure Injuries	1	1
Pressure Injury	7	4
Pressure Sore	1	1
Pressure Ulcer	11	3
Pressure Ulcer (PU)	1	-
Pressure Ulcer, Ankle	1	-
Pressure Ulcer, Stage IV	2	2
Pressure Ulcers	6	1
Pressure Ulcers Stage II	1	1
Pressure Ulcers Stage III	1	1
Pressure Ulcers, Bedsores, Decubitus Ulcer	2	-
Pressure Wound	1	1
Presyncope	2	-
Preterm	2	2
Preterm Birth	38	14
Preterm Birth Complication	2	-
Preterm Delivery	4	1
Preterm Infant	5	-
Preterm Infants	2	-
Preterm Labor	9	3
Preterm Less Than 32wks With IVH, WMI/PVL	1	1
Preterm Pregnancy	1	1
Preterm Premature Rupture of Membrane	3	1
Preterm Premature Rupture of Membrane (PPROM)	1	1
Preterm Premature Rupture of the Membranes	1	1
Preterm PROM (Pregnancy)	2	2
Preterm Rupture of Membranes	1	-
PRETEXT I Hepatoblastoma	1	-
PRETEXT II Hepatoblastoma	1	-
PRETEXT III Hepatoblastoma	1	-
PRETEXT IV Hepatoblastoma	1	-
Pretreated Unresectable Locally Advanced or Metastatic HER2+ Breast Cancer	1	1
Prevent Bleeding in Major Surgery	1	-
Preventative Medicine	1	1
Prevention	12	6
Prevention and Control	2	-
Prevention Childhood Obesity	1	1
Prevention From Norovirus Infection	1	-
Prevention Harmful Effects	1	-
Prevention Intervention	1	-
Prevention of aGVHD	1	-
Prevention of CDI in Adult Patients Being Treated With IV Beta-lactam Antibiotics	1	-
Prevention of Drug Abuse and Dependency	1	-
Prevention of Ischemic Stroke	1	-
Prevention of Pneumonic Plague Resulting From Aerosol Exposure to Yersenia Pestis	1	1
Prevention of Rejection in Kidney Transplant	1	1
Prevention of Sudden Death	1	-
Prevention of Surgical Site Infections	1	-
Prevention of Zika Infection	2	-
Prevention, Accident	1	-

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