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 1,201–1,250 of 2,857

Condition	Trials	Recruiting
Physiological and Psychological Responses to Exercise	1	-
Physiological Effects of Drugs	7	3
Physiological Function in Low Oxygen Environment	1	-
Physiological Stress	7	2
Physiological Wellness	1	1
Physiology	1	-
PiZZ, PiSZ, Pi*Null, Another Rare Phenotype/Genotype Known to be Associated With Either Low or Functionally Impaired AAT Including F or I Mutations	1	-
PI3K Gene Mutation	1	1
PI3KCD	1	1
Pick Disease	1	1
Pick's Disease	1	-
Pick's Disease With Dementia	1	-
Picky Eating	1	-
PICS	3	3
PICS-F	1	1
PIDs Linked to PI3K	1	1
PIEZO2-Deficiency Syndrome	1	1
Pigment Disorders	1	-
Pigment Skin	1	-
Pigment; Lesion	1	1
Pigmentary Glaucoma	3	1
Pigmentation	5	2
Pigmentation Disorder	1	1
Pigmented Lesions	1	-
Pigmented Skin Lesion of Uncertain Nature	1	-
Pigmented Villonodular Synovitis	6	-
PIK3CA Mutant Metastatic Breast Cancer	1	-
PIK3CA Mutation	4	3
PIK3CA Related Overgrowth Spectrum	1	1
PIK3CA-Mutated Cancers	1	1
PIK3CA-related Overgrowth Spectrum (PROS)	4	2
PIK3CA-Related Overgrowth Spectrum (PROS)/Proteus Syndrome (PS)	1	-
Pilocytic Astrocytoma	4	2
Pilomyxoid Astrocytoma	2	1
Pilon Fracture	3	2
Pilon Fracture of Tibia	1	-
Pilonidal Abscess	1	-
Pilonidal Cyst	1	1
Pilonidal Cyst and Sinus Without Abscess	1	-
Pilonidal Cyst Without Abscess	1	-
Pilonidal Cyst/Fistula	1	-
Pilonidal Dimple With Abscess	1	-
Pilonidal Disease	6	4
Pilonidal Disease of Natal Cleft	1	1
Pilonidal Fistula With Abscess	1	-
Pilonidal Sinus	2	2
Pilonidal Sinus Infected	1	-
Pilonidal Sinus With Abscess	1	-
Pilonidal Sinus Without Abscess	1	-
Pilot Study	2	2

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