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 1,451–1,500 of 2,857

Condition	Trials	Recruiting
Poisoning	2	-
Poisoning, Lead	1	-
POLD1 Gene Mutation	2	2
POLE Gene Mutation	2	2
Policy	2	2
Polio	3	-
Polio Immunisation	1	-
Poliomyelitis	3	-
Pollution; Exposure	5	1
Poly Drug Exposed Pregnancies	1	-
Poly Pharmacy	3	2
Polyarteritis Nodosa	4	3
Polyarteritis Nodosa (PAN)	1	1
Polyarthritis	6	1
Polyarticular Course Juvenile Idiopathic Arthritis (JIA)	1	1
Polycystic Kidney Disease	6	5
Polycystic Kidney Diseases	1	1
Polycystic Kidney, Autosomal Dominant	5	-
Polycystic Liver Disease	1	-
Polycystic Ovarian Syndrome	5	-
Polycystic Ovarian Syndrome (PCOS)	1	-
Polycystic Ovarian Syndrome in Adolescent Females	2	2
Polycystic Ovary	1	-
Polycystic Ovary Syndrome	31	13
Polycystic Ovary Syndrome (PCOS)	2	2
Polycythemia	2	2
Polycythemia Vera	23	10
Polycythemia Vera (PV)	3	3
Polycythemia Vera, Post-Polycythemic Myelofibrosis Phase	2	-
Polygenic Risk Score	1	1
Polygenic Score	1	1
Polymerase Chain Reaction	1	-
Polymorphic Post-Transplant Lymphoproliferative Disorder	2	1
Polymorphism-genetic	1	-
Polymyalgia Rheumatica	3	2
Polymyositis	9	5
Polymyositis, Dermatomyositis	1	1
Polyneuropathies	5	2
Polyneuropathy	2	1
Polyneuropathy Organomegaly Endocrinopathy Monoclonal Gammopathy and Skin Changes	1	1
Polyneuropathy, Inflammatory Demyelinating, Chronic	2	2
Polyomavirus	1	-
Polyostotic Fibrous Dysplasia	2	-
Polyp of Colon	1	1
Polypharmacy	9	1
Polypharmacy Patients	1	1
Polypoidal Choroidal Vasculopathy	1	1
Polyposis	1	-
Polyps	4	-
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating	2	1

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