Clinical Trials by Condition: S
- SAPHO Syndrome (4)
- SCN8A Encephalopathy (2)
- SCOT Deficiency (1)
- SLC35A2-CDG (2)
- ST Elevation Myocardial Infarction (907)
- STING-associated Vasculopathy With Onset in Infancy (1)
- Sacrococcygeal Teratoma (3)
- Sacroiliitis (37)
- Saethre-Chotzen Syndrome (38)
- Sagittal Sinus Thrombosis (1)
- Salivary Calculi (3)
- Salivary Gland Calculi (3)
- Salivary Gland Diseases (673)
- Salivary Gland Neoplasms (148)
- Salmonella Infections (76)
- Salpingitis (2)
- Salter-Harris Fractures (3)
- Sandhoff Disease (21)
- Sarcoglycanopathies (6)
- Sarcoidosis (296)
- Sarcoidosis, Pulmonary (61)
- Sarcoma (2,342)
- Sarcoma Botryoides (3)
- Sarcoma, Alveolar Soft Part (49)
- Sarcoma, Clear Cell (44)
- Sarcoma, Endometrial Stromal (26)
- Sarcoma, Ewing (402)
- Sarcoma, Kaposi (181)
- Sarcoma, Myeloid (13)
- Sarcoma, Synovial (122)
- Sarcopenia (791)
- Scabies (37)
- Scalp Dermatoses (18)
- Scheie Syndrome (22)
- Scheuermann Disease (9)
- Schindler Disease Type 1 (1)
- Schistosomiasis (75)
- Schistosomiasis haematobia (15)
- Schistosomiasis japonica (1)
- Schistosomiasis mansoni (18)
- Schizophrenia (3,658)
- Schizophrenia Spectrum and Other Psychotic Disorders (3,565)
- Schizophrenia, Catatonic (2)
- Schizophrenia, Childhood (9)
- Schizophrenia, Disorganized (4)
- Schizophrenia, Paranoid (34)
- Schizotypal Personality Disorder (18)
- Schnitzler Syndrome (10)
- Schwannoma (121)
- Schwannomatosis (9)
- Sciatic Neuropathy (113)
- Sciatica (128)
- Scimitar Syndrome (5)
- Scleredema (2)
- Scleredema Adultorum (2)
- Scleritis (18)
- Scleroderma, Diffuse (552)
- Scleroderma, Limited (14)
- Scleroderma, Localized (122)
- Scleroderma, Systemic (552)
- Scleromyxedema (1)
- Sclerosing Mesenteritis (1)
- Sclerosis (4,139)
- Sclerosteosis (26)
- Scoliosis (478)
- Scorpion Stings (13)
- Scotoma (18)
- Scott Syndrome (1)
- Scrub Typhus (11)
- Scurvy (14)
- Seasonal Affective Disorder (31)
- Sebaceous Gland Diseases (622)
- Seckel Syndrome (2)
- Secondary Adrenal Insufficiency (45)
- Seizures (1,176)
- Seizures, Febrile (17)
- Self Mutilation (23)
- Self-Injurious Behavior (843)
- Semantic Dementia (266)
- Semicircular Canal Dehiscence (1)
- Seminoma (61)
- Senior Loken Syndrome (1)
- Sensation Disorders (2,437)
- Sepiapterin Reductase Deficiency (1)
- Sepsis (2,993)
- Sepsis-Associated Encephalopathy (14)
- Septo-Optic Dysplasia (3)
- Septo-optic Dysplasia Spectrum (3)
- Seroma (99)
- Serotonin Syndrome (72)
- Serpiginous Choroiditis (2)
- Sertoli Cell Tumor (1)
- Sertoli-Leydig Cell Tumor (10)
- Severe Acute Malnutrition (96)
- Severe Acute Respiratory Syndrome (612)
- Severe Combined Immunodeficiency (82)
- Severe Combined Immunodeficiency, Atypical (1)
- Severe Congenital Neutropenia (22)
- Severe Dengue (61)
- Severe Fever with Thrombocytopenia Syndrome (1)
- Sex Chromosome Aberrations (10)
- Sex Chromosome Disorders (210)
- Sex Cord-Gonadal Stromal Tumors (19)
- Sexual Dysfunction, Physiological (727)
- Sexual Dysfunctions, Psychological (839)
- Sexual Trauma (21)
- Sexually Transmitted Diseases (5,073)
- Sexually Transmitted Diseases, Bacterial (243)
- Sexually Transmitted Diseases, Viral (4,555)
- Sezary Syndrome (354)
- Shaken Baby Syndrome (8)
- Shared Paranoid Disorder (15)
- Shashi-Pena Syndrome (1)
- Sheldon-Hall Syndrome (2)
- Shellfish Hypersensitivity (5)
- Shellfish Poisoning (3)
- Shigellosis (50)
- Shock (2,324)
- Shock, Cardiogenic (195)
- Shock, Hemorrhagic (66)
- Shock, Septic (880)
- Shock, Surgical (2)
- Shock, Traumatic (13)
- Short Bowel Syndrome (135)
- Shoulder Dislocation (93)
- Shoulder Dystocia (10)
- Shoulder Fractures (103)
- Shoulder Impingement Syndrome (217)
- Shoulder Injuries (874)
- Shoulder Pain (561)
- Shprintzen-Goldberg Craniosynostosis Syndrome (2)
- Shwachman-Diamond Syndrome (17)
- Shy-Drager Syndrome (167)
- Sialadenitis (7)
- Sialic Acid Storage Disease (1)
- Sialorrhea (47)
- Sick Sinus Syndrome (73)
- Sickle Beta Thalassemia (9)
- Sickle Cell Anemia (921)
- Sickle Cell Trait (48)
- Sideroblastic Anemia Pyridoxine-refractory Autosomal Recessive (72)
- Siderosis (19)
- Sigmoid Diseases (30)
- Sigmoid Neoplasms (13)
- Signs and Symptoms, Digestive (4,025)
- Signs and Symptoms, Respiratory (3,962)
- Silicosis (15)
- Silver-Russell Syndrome (4)
- Single Umbilical Artery (1)
- Single Ventricular Heart (95)
- Singleton-Merten Syndrome (1)
- Sinonasal Undifferentiated Carcinoma (2)
- Sinus Cancer (14)
- Sinus Thrombosis, Intracranial (18)
- Sinusitis (437)
- Sitosterolemia (13)
- Situs Inversus (42)
- Sixth Nerve Palsy (4)
- Sjogren's Syndrome (280)
- Sjogren-Larsson Syndrome (4)
- Skin Abnormalities (430)
- Skin Diseases (22,398)
- Skin Diseases, Bacterial (310)
- Skin Diseases, Eczematous (1,348)
- Skin Diseases, Genetic (1,676)
- Skin Diseases, Infectious (1,495)
- Skin Diseases, Metabolic (170)
- Skin Diseases, Papulosquamous (2,230)
- Skin Diseases, Parasitic (291)
- Skin Diseases, Vascular (702)
- Skin Diseases, Vesiculobullous (309)
- Skin Diseases, Viral (516)
- Skin Manifestations (1,235)
- Skin Neoplasms (755)
- Skin Ulcer (1,462)
- Skull Base Neoplasms (18)
- Skull Fractures (78)
- Skull Neoplasms (36)
- Sleep Apnea Syndromes (2,520)
- Sleep Apnea, Central (76)
- Sleep Apnea, Obstructive (1,958)
- Sleep Arousal Disorders (7)
- Sleep Bruxism (42)
- Sleep Deprivation (259)
- Sleep Disorders, Circadian Rhythm (116)
- Sleep Disorders, Intrinsic (3,685)
- Sleep Initiation and Maintenance Disorders (1,011)
- Sleep Paralysis (1)
- Sleep Wake Disorders (4,736)
- Sleep-Wake Transition Disorders (9)
- Sleepiness (343)
- Slipped Capital Femoral Epiphyses (18)
- Slow Virus Diseases (1,740)
- Small Cell Lung Cancer (1,162)
- Small Cell Lung Carcinoma (1,162)
- Small Fiber Neuropathy (44)
- Small Intestinal Adenocarcinoma (51)
- Small Intestine Cancer (141)
- Smallpox (79)
- Smear Layer (3)
- Smith-Kingsmore Syndrome (1)
- Smith-Lemli-Opitz Syndrome (17)
- Smith-Magenis Syndrome (15)
- Smoke Inhalation Injury (12)
- Smoldering Multiple Myeloma (89)
- Smooth Muscle Tumor (2)
- Snake Bites (25)
- Sneezing (20)
- Snoring (120)
- Social Communication Disorder (8)
- Soft Tissue Infections (103)
- Soft Tissue Injuries (69)
- Soft Tissue Neoplasms (60)
- Soft Tissue Sarcoma (2,342)
- Solitary Fibrous Tumor, Pleural (4)
- Solitary Fibrous Tumors (75)
- Solitary Kidney (3)
- Solitary Pulmonary Nodule (72)
- Somatoform Disorders (486)
- Somatosensory Disorders (231)
- Somatostatinoma (35)
- Somnambulism (5)
- Sotos Syndrome (2)
- Space Motion Sickness (3)
- Spasm (386)
- Spasmodic Dysphonia (38)
- Spasms, Infantile (42)
- Spastic Ataxia Charlevoix-Saguenay Type (3)
- Spastic Diplegia Cerebral Palsy (45)
- Spastic Paraparesis (22)
- Spastic Paraplegia 11 (4)
- Spastic Paraplegia 47 (2)
- Spastic Paraplegia 5A (1)
- Spastic Paraplegia 7 (1)
- Spastic Paraplegia, Hereditary (28)
- Specific Antibody Deficiency (3)
- Specific Language Disorder (15)
- Specific Learning Disorder (10)
- Speech Disorders (602)
- Speech Sound Disorder (28)
- Spermatic Cord Torsion (8)
- Spermatocele (3)
- Spermatogenesis Arrest (1)
- Sphenoid Sinusitis (3)
- Spherocytosis, Hereditary (5)
- Sphincter of Oddi Dysfunction (10)
- Sphingolipidoses (447)
- Spider Bites (2)
- Spina Bifida (145)
- Spina Bifida Cystica (50)
- Spina Bifida Occulta (3)
- Spinal Cord Compression (44)
- Spinal Cord Diseases (3,013)
- Spinal Cord Injuries (1,596)
- Spinal Cord Ischemia (7)
- Spinal Cord Neoplasms (88)
- Spinal Cord Vascular Diseases (5)
- Spinal Curvatures (549)
- Spinal Diseases (2,765)
- Spinal Dysraphism (181)
- Spinal Fractures (159)
- Spinal Injuries (215)
- Spinal Muscular Atrophies of Childhood (27)
- Spinal Muscular Atrophy (215)
- Spinal Muscular Atrophy 1 (19)
- Spinal Muscular Atrophy Type 2 (20)
- Spinal Muscular Atrophy Type 3 (24)
- Spinal Muscular Atrophy Type 4 (4)
- Spinal Muscular Atrophy With Respiratory Distress 1 (4)
- Spinal Neoplasms (52)
- Spinal Osteochondrosis (9)
- Spinal Shock (4)
- Spinal Stenosis (383)
- Spinocerebellar Ataxia 1 (17)
- Spinocerebellar Ataxia 10 (5)
- Spinocerebellar Ataxia 11 (1)
- Spinocerebellar Ataxia 12 (1)
- Spinocerebellar Ataxia 13 (1)
- Spinocerebellar Ataxia 14 (1)
- Spinocerebellar Ataxia 15 (2)
- Spinocerebellar Ataxia 17 (2)
- Spinocerebellar Ataxia 18 (1)
- Spinocerebellar Ataxia 2 (17)
- Spinocerebellar Ataxia 20 (1)
- Spinocerebellar Ataxia 21 (1)
- Spinocerebellar Ataxia 23 (3)
- Spinocerebellar Ataxia 25 (1)
- Spinocerebellar Ataxia 26 (1)
- Spinocerebellar Ataxia 27 (1)
- Spinocerebellar Ataxia 28 (1)
- Spinocerebellar Ataxia 29 (2)
- Spinocerebellar Ataxia 3 (36)
- Spinocerebellar Ataxia 30 (1)
- Spinocerebellar Ataxia 31 (1)
- Spinocerebellar Ataxia 34 (1)
- Spinocerebellar Ataxia 35 (1)
- Spinocerebellar Ataxia 36 (1)
- Spinocerebellar Ataxia 37 (1)
- Spinocerebellar Ataxia 4 (1)
- Spinocerebellar Ataxia 5 (1)
- Spinocerebellar Ataxia 7 (8)
- Spinocerebellar Ataxia 8 (3)
- Spinocerebellar Ataxia Autosomal Recessive 3 (1)
- Spinocerebellar Ataxia Autosomal Recessive 7 (2)
- Spinocerebellar Ataxia Type 6 (11)
- Spinocerebellar Ataxias (207)
- Spinocerebellar Degenerations (207)
- Spitz Nevus (1)
- Splenic Infarction (1)
- Splenic Rupture (2)
- Splenomegaly (43)
- Split Spinal Cord Malformation (1)
- Spondylarthritis (1,034)
- Spondylarthropathies (811)
- Spondylitis (1,034)
- Spondylitis, Ankylosing (424)
- Spondylolisthesis (221)
- Spondylolysis (210)
- Spondylosis (299)
- Spontaneous Coronary Artery Dissection (19)
- Sporotrichosis (3)
- Spotted Fever (5)
- Spotted Fever Group Rickettsiosis (5)
- Sprains and Strains (591)
- Sprue, Tropical (9)
- Squamous Cell Carcinoma of Head and Neck (1,369)
- Squamous Intraepithelial Lesions of the Cervix (51)
- Staghorn Calculi (2)
- Staphylococcal Infections (308)
- Staphylococcal Skin Infections (57)
- Staphylococcal Toxic Shock Syndrome (1)
- Stargardt Disease (42)
- Starvation (20)
- Status Asthmaticus (41)
- Status Epilepticus (100)
- Steatitis (2)
- Steatorrhea (16)
- Stenosis, Pulmonary Artery (10)
- Stenosis, Pulmonary Vein (7)
- Stenotrophomonas Maltophilia Infection (4)
- Stereotypic Movement Disorder (17)
- Steroid Metabolism, Inborn Errors (98)
- Stevens-Johnson Syndrome (34)
- Stevens-Johnson Syndrome/toxic Epidermal Necrolysis (34)
- Stickler Syndrome (4)
- Stiff-Person Syndrome (9)
- Still's Disease, Adult-Onset (18)
- Stillbirth (104)
- Stomach Cancer (2,714)
- Stomach Diseases (3,060)
- Stomach Neoplasms (2,714)
- Stomach Ulcer (113)
- Stomatitis (381)
- Stomatitis, Aphthous (46)
- Stomatitis, Denture (16)
- Stomatitis, Herpetic (4)
- Stomatognathic Diseases (8,862)
- Stomatognathic System Abnormalities (438)
- Storm Syndrome (6)
- Strabismus (183)
- Streptococcal Group A Invasive Disease (19)
- Streptococcal Infections (609)
- Stress Disorders, Post-Traumatic (1,762)
- Stress Disorders, Traumatic (2,382)
- Stress Disorders, Traumatic, Acute (42)
- Stress, Psychological (1,159)
- Striae Distensae (43)
- Stroke (7,778)
- Stroke, Lacunar (17)
- Strongyloidiasis (14)
- Struma Ovarii (2)
- Stupor (3)
- Sturge-Weber Syndrome (24)
- Stuttering (50)
- Subacute Sclerosing Panencephalitis (1)
- Subarachnoid Hemorrhage (414)
- Subarachnoid Hemorrhage, Traumatic (4)
- Subclavian Steal Syndrome (1)
- Subcorneal Pustular Dermatosis (2)
- Subcortical Band Heterotopia (1)
- Subcutaneous Emphysema (118)
- Subcutaneous Panniculitis-like T-cell Lymphoma (11)
- Subdural Effusion (2)
- Subependymal Giant Cell Astrocytoma (50)
- Subependymoma (45)
- Submandibular Gland Neoplasms (1)
- Substance Abuse, Intravenous (31)
- Substance Withdrawal Syndrome (162)
- Substance-Related Disorders (5,946)
- Succinic Semialdehyde Dehydrogenase Deficiency (5)
- Sudden Arrhythmia Death Syndrome (1)
- Sudden Infant Death (24)
- Sudden Infant Death Syndrome (24)
- Sudden Sensorineural Hearing Loss (36)
- Sudden Unexpected Death in Epilepsy (9)
- Suicidal Ideation (399)
- Suicide (817)
- Suicide, Assisted (9)
- Suicide, Attempted (212)
- Suicide, Completed (4)
- Sulfatidosis (36)
- Sulfite Oxidase Deficiency (1)
- Sunburn (27)
- Sunstroke (13)
- Superficial Spreading Melanoma (4)
- Superinfection (10)
- Superior Limbic Keratoconjunctivitis (3)
- Superior Mesenteric Artery Syndrome (2)
- Superior Semicircular Canal Dehiscence Syndrome (1)
- Superior Vena Cava Syndrome (3)
- Suppuration (530)
- Supraglottic Laryngeal Cancer (2)
- Supranuclear Ocular Palsy (2)
- Supranuclear Palsy, Progressive (126)
- Supratentorial Neoplasms (167)
- Supratentorial Primitive Neuroectodermal Tumor (107)
- Supravalvular Aortic Stenosis (19)
- Surgical Wound (1,304)
- Surgical Wound Dehiscence (35)
- Surgical Wound Infection (612)
- Susac Syndrome (2)
- Sutton Disease 2 (1)
- Swayback (40)
- Sweat Gland Diseases (275)
- Sweat Gland Neoplasms (1)
- Sweating, Gustatory (4)
- Sweet Syndrome (1)
- Sydenham's Chorea (4)
- Symptom Flare Up (3)
- Syncope (226)
- Syncope, Vasovagal (68)
- Syndactyly (8)
- Syndrome (34,144)
- Synkinesis (9)
- Synostoses, Tarsal, Carpal, and Digital (1)
- Synostosis (44)
- Synovial Cyst (4,463)
- Synovial Sarcoma (121)
- Synovitis (90)
- Synovitis, Pigmented Villonodular (18)
- Synucleinopathies (3,573)
- Syphilis (93)
- Syphilis, Congenital (5)
- Syringoma (1)
- Syringomyelia (13)
- Systemic Candidiasis (75)
- Systemic Capillary Leak Syndrome (5)
- Systemic Inflammatory Response Syndrome (2,502)
- Systemic Mastocytosis (46)
- Systemic Onset Juvenile Idiopathic Arthritis (56)
- Systemic Scleroderma (552)
- Systemic Vasculitis (170)
- Systolic Murmurs (655)