Clinical Trials by Condition: P

PANDAS (29)
PASLI Disease (3)
PGM1-CDG (4)
PHACE Syndrome (4)
PIK3CA-related Overgrowth Spectrum (11)
PMM2-CDG (CDG-Ia) (4)
POEMS Syndrome (10)
PTEN Hamartoma Tumor Syndrome (7)
Pachydermoperiostosis (1)
Pachyonychia Congenita (11)
Paget Disease of the Breast (9)
Paget Disease, Extramammary (8)
Paget's Disease, Mammary (9)
Pain (26,787)
Pain Insensitivity, Congenital (4)
Pain, Intractable (104)
Pain, Postoperative (4,578)
Pain, Procedural (164)
Pain, Referred (18)
Palatal Neoplasms (1)
Palatopharyngeal Incompetence (16)
Palindromic Rheumatism (1)
Pallister-Hall Syndrome (1)
Palmoplantar Keratoderma (4)
Pancoast Syndrome (4)
Pancreas Divisum (2)
Pancreatic Adenoma (3)
Pancreatic Cancer (3,421)
Pancreatic Cyst (105)
Pancreatic Diseases (4,854)
Pancreatic Fistula (124)
Pancreatic Intraductal Neoplasms (13)
Pancreatic Neoplasms (3,421)
Pancreatic Neuroendocrine Tumor (163)
Pancreatic Pseudocyst (24)
Pancreatitis (671)
Pancreatitis, Acute Necrotizing (59)
Pancreatitis, Alcoholic (10)
Pancreatitis, Chronic (233)
Pancreatitis, Graft (2)
Pancytopenia (417)
Panic Disorder (226)
Panniculitis (16)
Panniculitis, Peritoneal (1)
Pantothenate Kinase-Associated Neurodegeneration (13)
Panuveitis (221)
Papillary Glioneuronal Tumors (3)
Papillary Renal Cell Carcinoma (57)
Papillary Thyroid Carcinoma (141)
Papilledema (28)
Papilloma (422)
Papilloma, Choroid Plexus (1)
Papilloma, Intraductal (3)
Papilloma, Inverted (60)
Papillomavirus Infections (580)
Papillon Lefevre Syndrome (1)
Papillon-Lefevre Disease (1)
Paraganglioma (126)
Paraganglioma, Extra-Adrenal (4)
Paragangliomas 1 (126)
Parainfluenza Virus Type 3 (14)
Paralysis (2,429)
Paralysis, Hyperkalemic Periodic (4)
Paralysis, Obstetric (2)
Paramyotonia Congenita (7)
Paramyxoviridae Infections (354)
Paranasal Sinus Diseases (512)
Paranasal Sinus Neoplasms (52)
Paraneoplastic Polyneuropathy (1)
Paraneoplastic Syndromes (240)
Paraneoplastic Syndromes, Nervous System (212)
Paranoid Disorders (29)
Paraparesis (38)
Paraparesis, Spastic (23)
Paraparesis, Tropical Spastic (25)
Paraphilic Disorders (16)
Paraphimosis (2)
Paraplegia (146)
Paraproteinemias (3,464)
Parapsoriasis (8)
Parasitemia (32)
Parasitic Diseases (2,082)
Parasomnias (4,725)
Parathyroid Carcinoma (18)
Parathyroid Diseases (505)
Parathyroid Neoplasms (46)
Paratuberculosis (3)
Paratyphoid Fever (9)
Parental Death (43)
Paresis (928)
Paresthesia (43)
Parkes Weber Syndrome (24)
Parkinson Disease (3,511)
Parkinson Disease, Secondary (12)
Parkinsonian Disorders (3,556)
Paronychia (5)
Parotid Diseases (58)
Parotid Neoplasms (22)
Parotitis (37)
Parovarian Cyst (2)
Paroxysmal Hemicrania (3)
Paroxysmal Kinesigenic Choreoathetosis (2)
Paroxysmal Nocturnal Hemoglobinuria (126)
Paroxysmal Ventricular Fibrillation (162)
Pars Planitis (59)
Parsonage Turner Syndrome (10)
Partial Atrioventricular Canal (1)
Partial Deletion of Y (2)
Parvoviridae Infections (12)
Passive-Aggressive Personality Disorder (2)
Patella Fracture (11)
Patellar Dislocation (39)
Patellofemoral Pain Syndrome (179)
Patent Ductus Arteriosus (136)
Pathological Conditions, Anatomical (8,895)
Pattern Dystrophy (4)
Pauciarticular Onset Juvenile Idiopathic Arthritis (1)
Peanut Hypersensitivity (156)
Pearson Syndrome (6)
Pectus Carinatum (15)
Pediatric Acute-onset Neuropsychiatric Syndrome (8)
Pediatric Crohn's Disease (55)
Pediatric Multiple Sclerosis (17)
Pediatric Obesity (994)
Pediatric Ulcerative Colitis (27)
Pedophilia (8)
Pelizaeus-Merzbacher Disease (7)
Pellucid Marginal Degeneration (9)
Pelvic Floor Disorders (147)
Pelvic Girdle Pain (43)
Pelvic Infection (87)
Pelvic Inflammatory Disease (87)
Pelvic Neoplasms (92)
Pelvic Organ Prolapse (553)
Pelvic Pain (656)
Pemphigoid, Benign Mucous Membrane (16)
Pemphigoid, Bullous (66)
Pemphigus (59)
Pemphigus Foliaceus (8)
Pemphigus Vulgaris (35)
Pemphigus and Fogo Selvagem (2)
Pemphigus, Benign Familial (4)
Penetrating Atherosclerotic Ulcer (17)
Penile Cancer (82)
Penile Diseases (196)
Penile Induration (35)
Penile Neoplasms (53)
Penis Agenesis (3)
Pentalogy of Cantrell (3)
Peptic Ulcer (611)
Peptic Ulcer Hemorrhage (68)
Peptic Ulcer Perforation (15)
Perceptual Disorders (519)
Peri-Implantitis (183)
Periapical Abscess (13)
Periapical Diseases (145)
Periapical Granuloma (4)
Periapical Periodontitis (150)
Periarthritis (7)
Pericardial Effusion (29)
Pericarditis (42)
Pericarditis, Constrictive (4)
Pericarditis, Tuberculous (3)
Pericoronitis (6)
Perilymphatic Fistula (1)
Perinatal Death (88)
Periodontal Abscess (1)
Periodontal Atrophy (444)
Periodontal Attachment Loss (33)
Periodontal Cyst (3)
Periodontal Diseases (2,483)
Periodontal Pocket (83)
Periodontitis (1,236)
Peripartum Cardiomyopathy (15)
Peripheral Arterial Disease (1,834)
Peripheral Nerve Injuries (74)
Peripheral Nervous System Diseases (3,831)
Peripheral Nervous System Neoplasms (326)
Peripheral T-cell Lymphoma (906)
Peripheral Vascular Diseases (1,806)
Periprosthetic Fractures (17)
Peritoneal Diseases (687)
Peritoneal Fibrosis (7)
Peritoneal Neoplasms (372)
Peritonitis (209)
Peritonitis, Tuberculous (4)
Peritonsillar Abscess (15)
Perivascular Epithelioid Cell Neoplasms (66)
Periventricular Heterotopia (2)
Periventricular Leukomalacia (31)
Periventricular Nodular Heterotopia (2)
Permanent Neonatal Diabetes Mellitus (2)
Perniosis (6)
Peroneal Neuropathies (32)
Peroxisomal Biogenesis Disorders (69)
Peroxisomal Disorders (69)
Peroxisome Biogenesis disorder-Zellweger Syndrome Spectrum (5)
Persian Gulf Syndrome (40)
Persistent Fetal Circulation Syndrome (36)
Persistent Genital Arousal Disorder (1)
Persistent Hyperplastic Primary Vitreous (1)
Persistent Infection (37)
Persistent Truncus Arteriosus (6)
Persistent Vegetative State (54)
Personality Disorders (750)
Peters Anomaly (2)
Peutz-Jeghers Syndrome (18)
Pfeiffer Syndrome (20)
Phagocyte Bactericidal Dysfunction (79)
Phantom Limb (128)
Pharyngeal Diseases (1,732)
Pharyngeal Neoplasms (1,001)
Pharyngitis (311)
Phenylketonuria, Maternal (4)
Phenylketonurias (143)
Pheochromocytoma (124)
Philadelphia Chromosome (277)
Phimosis (13)
Phlebitis (95)
Phobia, Social (307)
Phobic Disorders (511)
Phosphoglycerate Kinase Deficiency (2)
Phosphoglycerate Mutase Deficiency (1)
Phosphorus Metabolism Disorders (222)
Phosphoserine Aminotransferase Deficiency (1)
Photophobia (34)
Photosensitive Epilepsy (14)
Photosensitivity Disorders (83)
Phyllodes Tumor (4)
Phyllodes Tumor of the Breast (5)
Pica (2)
Pick Disease of the Brain (267)
Picornaviridae Infections (3,227)
Piebaldism (5)
Pierre Robin Sequence (9)
Pierre Robin Syndrome (9)
Pigment-dispersion Syndrome (7)
Pigmentation Disorders (494)
Pigmented Villonodular Synovitis (26)
Pilocytic Astrocytoma (69)
Pilomatrixoma (2)
Pilonidal Sinus (71)
Pineal Germ Cell Tumor (2)
Pineal Parenchymal Tumors of Intermediate Differentiation (1)
Pinealoma (71)
Pineoblastoma (69)
Pineocytoma (71)
Pinguecula (1)
Pinta (3)
Piriformis Muscle Syndrome (19)
Piriformis Syndrome (19)
Pitt-Hopkins Syndrome (4)
Pituitary ACTH Hypersecretion (61)
Pituitary Cancer (4)
Pituitary Diseases (850)
Pituitary Neoplasms (204)
Pituitary Stalk Interruption Syndrome (1)
Pityriasis (16)
Pityriasis Lichenoides (2)
Pityriasis Lichenoides Chronica (1)
Pityriasis Rosea (4)
Pityriasis Rubra Pilaris (4)
Placenta Accreta (92)
Placenta Diseases (230)
Placenta Disorder (230)
Placenta Previa (74)
Placenta, Retained (15)
Placental Insufficiency (19)
Plagiocephaly (19)
Plagiocephaly, Nonsynostotic (13)
Plague (20)
Plaque, Amyloid (40)
Plaque, Atherosclerotic (163)
Plasma Cell Granuloma, Pulmonary (1)
Plasma Cell Leukemia (42)
Plasmablastic Lymphoma (545)
Plasmacytoma (387)
Plasminogen Activator Inhibitor Type 1 Deficiency (1)
Platelet Storage Pool Deficiency (11)
Platybasia (2)
Platypnea Orthodeoxia Syndrome (1)
Pleomorphic Xanthoastrocytoma (16)
Pleural Diseases (490)
Pleural Effusion (335)
Pleural Effusion, Malignant (151)
Pleural Neoplasms (522)
Pleurisy (42)
Pleuroparenchymal Fibroelastosis (2)
Pleuropneumonia (52)
Pleuropulmonary Blastoma (8)
Pneumatosis Cystoides Intestinalis (1)
Pneumocephalus (3)
Pneumococcal Infections (361)
Pneumoconiosis (45)
Pneumocystis Infections (90)
Pneumocystis Jirovecii Pneumonia (122)
Pneumocystosis (122)
Pneumonia (9,507)
Pneumonia, Aspiration (58)
Pneumonia, Bacterial (280)
Pneumonia, Mycoplasma (20)
Pneumonia, Necrotizing (1)
Pneumonia, Pneumococcal (187)
Pneumonia, Pneumocystis (122)
Pneumonia, Staphylococcal (9)
Pneumonia, Ventilator-Associated (343)
Pneumonia, Viral (7,148)
Pneumoperitoneum (147)
Pneumothorax (150)
Poisoning (543)
Poliomyelitis (287)
Polyarteritis Nodosa (23)
Polyarticular Onset Juvenile Idiopathic Arthritis (5)
Polychondritis, Relapsing (8)
Polycystic Kidney Diseases (166)
Polycystic Kidney, Autosomal Dominant (140)
Polycystic Kidney, Autosomal Recessive (5)
Polycystic Liver Disease (18)
Polycystic Ovary Syndrome (775)
Polycythemia (333)
Polycythemia Vera (309)
Polydactyly (6)
Polydipsia (9)
Polydipsia, Psychogenic (6)
Polyembryoma (17)
Polyendocrinopathies, Autoimmune (9)
Polyhydramnios (9)
Polymicrogyria (5)
Polymorphic Reticulosis (2)
Polymyalgia Rheumatica (137)
Polymyositis (123)
Polyneuropathies (515)
Polyomavirus Allograft Nephropathy (2)
Polyomavirus Infections (134)
Polypoidal Choroidal Vasculopathy (55)
Polyps (1,066)
Polyradiculoneuropathy (142)
Polyradiculoneuropathy, Chronic Inflammatory Demyelinating (84)
Polyradiculopathy (3)
Polyuria (36)
Pontocerebellar Hypoplasia (1)
Pontocerebellar Hypoplasia Type 6 (2)
Popliteal Artery Aneurysm (9)
Popliteal Artery Entrapment Syndrome (3)
Popliteal Cyst (3)
Porencephaly (3)
Porokeratosis (2)
Porokeratosis of Mibelli (2)
Porphyria Cutanea Tarda (52)
Porphyria, Acute Intermittent (21)
Porphyria, Erythropoietic (61)
Porphyria, Variegate (8)
Porphyrias (61)
Porphyrias, Hepatic (53)
Port-Wine Stain (86)
Positive-Pressure Respiration, Intrinsic (12)
Posner-Schlossman Syndrome (2)
Post Polio Syndrome (25)
Post-Acute COVID-19 Syndrome (303)
Post-Cardiac Arrest Syndrome (24)
Post-Concussion Syndrome (133)
Post-Dural Puncture Headache (88)
Post-Exercise Hypotension (21)
Post-Infectious Disorders (334)
Post-Lyme Disease Syndrome (14)
Post-Traumatic Headache (115)
Post-transplant Lymphoproliferative Disease (111)
Post-traumatic Epilepsy (11)
Postcholecystectomy Syndrome (16)
Posterior Column Ataxia (1)
Posterior Leukoencephalopathy Syndrome (8)
Posterior Tibial Tendon Dysfunction (8)
Posterior Urethral Valves (9)
Posterior Uveitis (52)
Postgastrectomy Syndromes (20)
Postmortem Changes (1)
Postoperative Cognitive Complications (245)
Postoperative Complications (7,319)
Postoperative Hemorrhage (170)
Postoperative Nausea and Vomiting (486)
Postpartum Hemorrhage (374)
Postpartum Thyroiditis (4)
Postpericardiotomy Syndrome (4)
Postphlebitic Syndrome (65)
Postpoliomyelitis Syndrome (25)
Postthrombotic Syndrome (65)
Postural Orthostatic Tachycardia Syndrome (101)
Potassium Aggravated Myotonia (2)
Potassium Deficiency (45)
Potocki-Shaffer Syndrome (1)
Pouchitis (41)
Poxviridae Infections (169)
Prader-Willi Syndrome (121)
Pre-Eclampsia (706)
Pre-Excitation Syndromes (8)
Precancerous Conditions (2,861)
Precocious Puberty (55)
Precocious Puberty, Gonadotropin-dependent (1)
Precursor B-Cell Lymphoblastic Leukemia-Lymphoma (12)
Precursor Cell Lymphoblastic Leukemia-Lymphoma (2,462)
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma (97)
Prediabetic State (1,011)
Pregnancy Complications (29,026)
Pregnancy Complications, Cardiovascular (5)
Pregnancy Complications, Hematologic (2)
Pregnancy Complications, Infectious (63)
Pregnancy Complications, Neoplastic (81)
Pregnancy in Diabetics (165)
Pregnancy, Abdominal (3)
Pregnancy, Cornual (2)
Pregnancy, Ectopic (72)
Pregnancy, Interstitial (2)
Pregnancy, Ovarian (7)
Pregnancy, Prolonged (32)
Pregnancy, Tubal (13)
Prehypertension (135)
Preleukemia (2,300)
Premature Birth (4,925)
Premature Ejaculation (80)
Premenstrual Dysphoric Disorder (32)
Premenstrual Syndrome (122)
Prenatal Exposure Delayed Effects (4)
Presbycusis (48)
Presbyopia (278)
Pressure Ulcer (354)
Priapism (10)
Primary Agammaglobulinemia (23)
Primary Angiitis of the Central Nervous System (1)
Primary Biliary Cholangitis (146)
Primary Carnitine Deficiency (9)
Primary Central Nervous System Lymphoma (261)
Primary Ciliary Dyskinesia (59)
Primary Cutaneous Amyloidosis (3)
Primary Cutaneous Follicle Center Lymphoma (3)
Primary Dysautonomias (791)
Primary Effusion Lymphoma (36)
Primary Familial Brain Calcification (1)
Primary Graft Dysfunction (23)
Primary Hyperoxaluria Type 1 (42)
Primary Hyperoxaluria Type 2 (8)
Primary Hyperoxaluria Type 3 (12)
Primary Hyperparathyroidism (92)
Primary Immunodeficiency Diseases (472)
Primary Intestinal Lymphangiectasia (1)
Primary Lateral Sclerosis (760)
Primary Liver Cancer (262)
Primary Myelofibrosis (541)
Primary Orthostatic Hypotension (38)
Primary Orthostatic Tremor (3)
Primary Ovarian Insufficiency (153)
Primary Pigmented Nodular Adrenocortical Disease (2)
Primary Progressive Aphasia (267)
Primary Progressive Nonfluent Aphasia (17)
Primary Sclerosing Cholangitis (123)
Primary Spontaneous Pneumothorax (37)
Prinzmetal's Variant Angina (21)
Prion Diseases (11)
Problem Behavior (677)
Proctitis (40)
Proctocolitis (17)
Prodromal Symptoms (15)
Progeria (9)
Prognathism (41)
Progressive Bulbar Palsy (1)
Progressive Familial Intrahepatic Cholestasis 1 (21)
Progressive Hemifacial Atrophy (5)
Progressive Multifocal Leukoencephalopathy (25)
Progressive Myoclonic Epilepsy (5)
Progressive Non-fluent Aphasia (17)
Progressive Supranuclear Palsy (126)
Progressive Supranuclear Palsy Atypical (4)
Prolactinoma (25)
Prolapse (763)
Prolidase Deficiency (1)
Proliferative Verrucous Leukoplakia (4)
Proopiomelanocortin Deficiency (4)
Propionic Acidemia (22)
Propofol Infusion Syndrome (3)
Prosopagnosia (3)
Prostatic Diseases (5,800)
Prostatic Hyperplasia (623)
Prostatic Intraepithelial Neoplasia (12)
Prostatic Neoplasms (5,859)
Prostatic Neoplasms, Castration-Resistant (58)
Prostatism (5)
Prostatitis (82)
Prosthesis Failure (87)
Prosthesis-Related Infections (32)
Prosthetic Joint Infection (97)
Protein C Deficiency (5)
Protein Deficiency (59)
Protein-Energy Malnutrition (53)
Protein-Losing Enteropathies (13)
Proteinuria (532)
Proteostasis Deficiencies (1,433)
Proteus Infections (16)
Proteus Syndrome (7)
Prothrombin Deficiency (1)
Protoporphyria (23)
Protoporphyria, Erythropoietic (23)
Protozoan Infections (1,659)
Prurigo (34)
Prurigo Nodularis (30)
Pruritus (537)
Pruritus Ani (2)
Pruritus Vulvae (2)
Pseudarthrosis (42)
Pseudoachondroplasia (1)
Pseudocholinesterase Deficiency (5)
Pseudohypoaldosteronism (7)
Pseudohypoaldosteronism Type 2 (4)
Pseudohypoparathyroidism (17)
Pseudohypoparathyroidism Type 1A (11)
Pseudolymphoma (2)
Pseudomonas Infections (178)
Pseudomyxoma Peritonei (30)
Pseudoneonatal Adrenoleukodystrophy (2)
Pseudopelade of Brocq (18)
Pseudophakia (45)
Pseudopseudohypoparathyroidism (17)
Pseudotumor Cerebri (34)
Pseudoxanthoma Elasticum (25)
Psoriasis (2,047)
Psoriatic Juvenile Idiopathic Arthritis (12)
Psychogenic Nonepileptic Seizures (23)
Psychological Trauma (109)
Psychomotor Agitation (642)
Psychomotor Disorders (505)
Psychophysiologic Disorders (20)
Psychoses, Substance-Induced (6)
Psychotic Disorders (35,511)
Pterygium (100)
Pterygium of the Conjunctiva and Cornea (1)
Puberty, Delayed (14)
Puberty, Precocious (57)
Pubic Symphysis Diastasis (3)
Pudendal Neuralgia (12)
Puerperal Disorders (773)
Puerperal Infection (12)
Pulmonary Alveolar Proteinosis (28)
Pulmonary Arterial Hypertension (699)
Pulmonary Arteriovenous Malformation (17)
Pulmonary Aspergillosis (92)
Pulmonary Atelectasis (208)
Pulmonary Atresia (9)
Pulmonary Atresia With Ventricular Septal Defect (2)
Pulmonary Blastoma (8)
Pulmonary Disease, Chronic Obstructive (3,818)
Pulmonary Edema (147)
Pulmonary Edema of Mountaineers (28)
Pulmonary Embolism (676)
Pulmonary Emphysema (484)
Pulmonary Eosinophilia (100)
Pulmonary Fibrosis (687)
Pulmonary Heart Disease (56)
Pulmonary Infarction (1)
Pulmonary Surfactant Protein B, Deficiency of (2)
Pulmonary Valve Insufficiency (30)
Pulmonary Valve Stenosis (27)
Pulmonary Vein Stenosis (7)
Pulmonary Veno-Occlusive Disease (2)
Pulmonary Venous Return Anomaly (5)
Pulmonic Stenosis (27)
Pulpitis (217)
Punctate Inner Choroidopathy (4)
Pupil Disorders (58)
Pure Autonomic Failure (67)
Pure Red Cell Aplasia (68)
Purine Nucleoside Phosphorylase Deficiency (1)
Purine-Pyrimidine Metabolism, Inborn Errors (194)
Purpura (480)
Purpura Fulminans (5)
Purpura, Thrombocytopenic (435)
Purpura, Thrombocytopenic, Idiopathic (388)
Purpura, Thrombotic Thrombocytopenic (58)
Pustular Psoriasis (31)
Pustulosis Palmaris Et Plantaris (26)
Pyelectasis (1)
Pyelonephritis (90)
Pyle Disease (1)
Pyloric Stenosis (42)
Pyloric Stenosis, Hypertrophic (5)
Pyoderma (33)
Pyoderma Gangrenosum (25)
Pyomyositis (2)
Pyonephrosis (2)
Pyridoxal 5'-phosphate-dependent Epilepsy (2)
Pyridoxine Deficiency (4)
Pyridoxine-dependent Epilepsy (3)
Pyropoikilocytosis Hereditary (1)
Pyruvate Carboxylase Deficiency (1)
Pyruvate Carboxylase Deficiency Disease (1)
Pyruvate Decarboxylase Deficiency (5)
Pyruvate Dehydrogenase Complex Deficiency (5)
Pyruvate Dehydrogenase Complex Deficiency Disease (5)
Pyruvate Dehydrogenase Phosphatase Deficiency (1)
Pyruvate Kinase Deficiency (14)
Pyruvate Metabolism, Inborn Errors (32)
Pyuria (5)

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