2026 data ClinicalTrials.gov official source

Conditions: P

Every condition beginning with P that has a registered US clinical trial, with how many studies cover each.

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2,857 conditions starting with "P"

Showing 2,151–2,200 of 2,857

Sort by: Name Most Trials Recruiting
Condition Trials
Prevention, Suicide 1
Preventive Care 3
Preventive Care / Anticipatory Guidance 2
Preventive Health Services 8
Preventive Psychiatry 1
Preventive Therapy 1
Previous Endodontic Treatment 1
Previously Treated Amyloid Light-chain (AL) Amyloidosis 1
Previously Treated Childhood Rhabdomyosarcoma 5
Previously Treated Metastatic Adenocarcinoma of the Pancreas 1
Previously Treated Myelodysplastic Syndrome 10
Previously Treated Myelodysplastic Syndromes 6
Previously Treated Non-Small Cell Lung Cancer 1
Previously Untreated Childhood Rhabdomyosarcoma 1
Previously Untreated Relapsed Refractory Acute Myeloid Leukemia 1
Priapism 1
Primary Adenocarcinoma of the Bladder 1
Primary Adenocarcinoma of the Urinary Tract 1
Primary Aldosteronism 5
Primary Aldosteronism Due to Adrenal Hyperplasia (Bilateral) 1
Primary Aldosteronism Due to Aldosterone Producing Adenoma 1
Primary Aldosteronism Due to Conn Adenoma 1
Primary Amenorrhea With Hypogonadotropic Hypogonadism 1
Primary Amyloidosis 2
Primary Amyloidosis of Light Chain Type 1
Primary Anatomic or Reverse Total Shoulder Arthroplasty 1
Primary Antibody Deficiencies 1
Primary Arthrosis 1
Primary Axillary Hyperhidrosis 1
Primary Bile Acid Diarrhea 1
Primary Biliary Cholangitis 9
Primary Biliary Cholangitis (PBC) 1
Primary Biliary Cirrhosis 8
Primary Body Region (Arranged Most Common to Least) 1
Primary Brain Neoplasm 3
Primary Brain Tumor 8
Primary Breast Augmentation 1
Primary Breast Reconstruction 1
Primary Cancer 2
Primary Care 6
Primary Care Appointment Keeping 1
Primary Care Patients With Chronic Conditions 1
Primary Central Nervous System (CNS) Lymphoma 1
Primary Central Nervous System Carcinoma 1
Primary Central Nervous System Lymphoma 13
Primary Central Nervous System Lymphoma (PCNSL) 6
Primary Central Nervous System Non-Hodgkin Lymphoma 1
Primary Cervical Dystonia 2
Primary Ciliary Dyskinesia 8
Primary Ciliary Dyskinesia (PCD) 1

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