2026 data ClinicalTrials.gov official source

Conditions: P

Compiled by PlainTrial Editorial, Clinical Trial Intelligence Editorial Team · 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 551–600 of 2,857

Condition	Trials	Recruiting
PBC	2	1
PBP - Progressive Bulbar Palsy	1	1
PBT	1	-
PCD	1	-
PCD - Primary Ciliary Dyskinesia	1	-
PCOS	9	3
PCOS (Polycystic Ovary Syndrome)	3	3
PCOS (Polycystic Ovary Syndrome) of Bilateral Ovaries	2	1
PCPG	1	1
PCSK9	2	-
PD - Parkinson's Disease	1	1
PD-1	2	2
PD-L1	1	1
PD-L1 Gene Mutation	1	-
PD-L1 Negative	2	1
PD-L1 Positive	2	-
PD-L1-positive, Locally Advanced (Unresectable Stage IIIB/C) or Metastatic NSCLC	1	-
PDAC	7	6
PDAC - Pancreatic Ductal Adenocarcinoma	11	9
PDD	2	-
PDD-NOS	1	1
Peace of Mind	1	1
Peanut Allergies	2	2
Peanut Allergy	14	2
Peanut and Nut Allergy	1	1
Peanut Consumption	1	-
Peanut Hypersensitivity	4	1
Peanut-Induced Anaphylaxis	2	1
Peau d'Orange	2	-
Pectoralis Minor Length	1	-
Pectus Excavatum	2	1
Pectus Surgery	1	1
Pedestrian Safety	1	-
Pediatric	9	4
Pediatric Abdominal Imaging	1	1
Pediatric Acute Lymphoid Leukemia	1	-
Pediatric Acute Myeloid Leukemia	1	-
Pediatric Acute Neurologic Disease, Traumatic and Non-traumatic	1	-
Pediatric Acute Respiratory Distress Syndrome	1	1
Pediatric Acute Respiratory Distress Syndrome (PARDS)	2	2
Pediatric Acute Respiratory Failure	1	1
Pediatric Acute-Onset Neuropsychiatric Syndrome	2	2
Pediatric Adenotonsillectomy	1	-
Pediatric ALL	22	15
Pediatric AML	1	1
Pediatric and Adolescent Cancers of the Genital Tract	1	1
Pediatric and Young Adult Patientswith Hypodiploid or t(17;19) B-ALL	1	1
Pediatric Anesthesia	1	1
Pediatric Anxiety Disorders	1	1
Pediatric Asthma	10	8

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