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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2,801 conditions starting with "P"

Showing 2,251–2,300 of 2,801

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Condition Trials
Primary Peritoneal Carcinosarcoma 2
Primary Peritoneal Cavity Cancer 23
Primary Peritoneal Clear Cell Adenocarcinoma 2
Primary Peritoneal Endometrioid Adenocarcinoma 4
Primary Peritoneal High Grade Serous Adenocarcinoma 8
Primary Peritoneal Low Grade Serous Adenocarcinoma 2
Primary Peritoneal Serous Adenocarcinoma 4
Primary PERITONEUM 1
Primary Photoreceptor Disease 1
Primary Pigmented Nodular Adrenocortical Disease 1
Primary Prevention 2
Primary Prevention of Atherosclerotic Cardiovascular Disease 1
Primary Progressive Aphasia 16
Primary Progressive Aphasia(PPA) 4
Primary Progressive Multiple Sclerosis 3
Primary Progressive Non-fluent Aphasia 2
Primary Pulmonary Hypertension 1
Primary Refractory Acute Myeloid Leukemia 2
Primary Reverse Total Shoulder Arthroplasty 1
Primary Sclerosing Cholangitis 24
Primary Sclerosing Cholangitis (PSC) 2
Primary Sjogren Syndrome 1
Primary Sjogren's Disease 2
Primary Sjögren Syndrome 1
Primary Sjögren's Syndrome 3
Primary Soft-tissue Sarcoma 1
Primary Spontaneous Pneumothorax 1
Primary Systemic Amyloidosis 1
Primary T-cell Immunodeficiency Disorders 3
Primary Total Hip Arthroplasty 2
Primary Total Knee Arthroplasty 1
Primary Uterine Infertility 1
Primary Vitreoretinal Lymphoma 1
Primitive Neuroectodermal Tumor 3
Prion Disease 1
Prion Diseases 1
Prior Ankle Fusion 1
Prior Failed Revision 1
Prior History of Squamous Cell Dysplasia and /or Neoplasia 1
Prisoners 1
Probiotics 3
Problem Behavior 12
Problem Behavior in School 1
Problem Drinking 3
Problem Gambling 2
Problem of Aging 2
Problem Solving 1
Problem;Behaviour;Child 1
Problematic Behavior in Children 1
Problematic Opioid Use 1

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