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 1,501–1,550 of 2,857

Condition	Trials	Recruiting
Polysomnography	1	-
Polysorbate 80	1	-
Polysubstance Abuse	4	3
Polysubstance Addiction	1	1
Polysubstance Drug Use (Indiscriminate Drug Use)	2	1
Polytrauma	3	-
Pompe Disease	15	6
Pompe Disease (Late-onset)	9	2
Pompe Disease Infantile-Onset	2	2
PONV	4	1
Poor Feeding	1	-
Poor Graft Function	1	1
Poor Growth in Extremely Preterm Infants	1	1
Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant	1	-
Poor Nutrition	1	-
Poor Ovarian Reserve	1	1
Poor Performance Status	1	-
Poor Quality Sleep	2	2
Poor Sleep Quality	3	3
Poorly Differentiated Adenocarcinoma	1	-
Poorly Differentiated and/or High Grade Neuroendocrine Neoplasms With Evidence of DLL3 Expression	1	1
Poorly Differentiated Carcinoma	1	-
Poorly Differentiated Chordoma	1	-
Poorly Differentiated Thyroid Gland Carcinoma	7	-
Popliteal Artery Occlusion	1	-
Popliteal Artery Stenosis	2	1
Poppi	1	1
Population at Risk	1	1
Population Health	1	1
Porphyria Cutanea Tarda	2	-
Porphyria, Acute Intermittent	1	-
Porphyrias	1	-
Port Wine Stains	1	-
Port-wine Birthmarks	1	1
Port-Wine Stain	3	2
Portable Magnetic Resonance Imaging	1	1
Portal Hypertension	10	3
Portal Hypertension Related to Cirrhosis	1	1
Portal Vein Embolization	1	-
Portal Vein Thrombosis	1	-
Positive Affect	2	2
Positive Airway Pressure	1	1
Positive C. Acnes Culture	1	1
Positive for Anaplastic Lymphoma Kinase	1	-
Positive for Proto-Oncogene Tyrosine-Protein Kinase ROS	1	-
Positive Parenting Skills	1	1
Positive Perceptions About Cigarette Smoking	1	-
Positive Pressure Ventilation	2	2
Positive Surgical Margin	1	-
Positive Thinking	1	-

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