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 2,201–2,250 of 2,857

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Condition Trials
Primary CNS Lymphoma 2
Primary CNS Tumors 1
Primary Cutaneous CD8+ Aggressive Epidermotropic T-Cell Lymphoma 1
Primary Cutaneous Diffuse Large B-Cell Lymphoma, Leg Type 1
Primary Cutaneous Gamma-Delta T-Cell Lymphoma 1
Primary Cutaneous T-cell Lymphoma 1
Primary Cutaneous T-Cell Non-Hodgkin Lymphoma 4
Primary Cutaneous Vasculitis 1
Primary Dental Caries, Multisurface Origin (Diagnosis) 1
Primary Diffuse Large B-Cell Lymphoma of the Central Nervous System 1
Primary Diffuse Large B-cell Lymphoma of the Central Nervous System (CNS) 1
Primary Disease 1
Primary Dysmenorrhea 3
Primary Dystonia 1
Primary Effusion Lymphoma 3
Primary Extra-cranial Solid Tumor 1
Primary Fibromyalgia 1
Primary Focal Segmental Glomerulosclerosis 1
Primary Generalized Epilepsy 1
Primary Generalized Tonic-Clonic Seizures 1
Primary Glioblastoma 1
Primary Glioblastoma Multiforme 1
Primary Graft Dysfunction 3
Primary Graft Failure 2
Primary Headache 1
Primary Health Care 9
Primary Hemophagocytic Lymphohistiocytosis 1
Primary Hormone Receptor Positive Breast Cancer 1
Primary Hyperaldosteronism 2
Primary Hyperoxaluria 4
Primary Hyperoxaluria Type 1 2
Primary Hyperoxaluria Type 1 (PH1) 2
Primary Hyperoxaluria Type 2 (PH2) 1
Primary Hyperoxaluria Type 3 (PH3) 1
Primary Hyperparathyroidism 8
Primary Hypogonadism 2
Primary IgA Nephropathy 3
Primary Immune Deficiencies 1
Primary Immune Deficiency 6
Primary Immune Deficiency Disorder 6
Primary Immune Deficiency Disorders 1
Primary Immune Regulatory Disorder 3
Primary Immune Thrombocytopenia 5
Primary Immune Thrombocytopenia (ITP) 3
Primary Immunodeficiency 5
Primary Immunodeficiency (PID) 2
Primary Immunodeficiency Disease 1
Primary Immunodeficiency Disease (PIDD) 1
Primary Immunodeficiency Diseases 2
Primary Immunodeficiency Diseases (PID) 4

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