Clinical Trials by Condition: S
- SAPHO Syndrome (5)
- SCN8A Encephalopathy (1)
- SCOT Deficiency (1)
- SLC35A2-CDG (2)
- ST Elevation Myocardial Infarction (930)
- STING-associated Vasculopathy With Onset in Infancy (1)
- Sacrococcygeal Teratoma (3)
- Sacroiliitis (42)
- Saethre-Chotzen Syndrome (40)
- Sagittal Sinus Thrombosis (1)
- Salivary Calculi (3)
- Salivary Gland Calculi (3)
- Salivary Gland Diseases (696)
- Salivary Gland Neoplasms (154)
- Salmonella Infections (78)
- Salpingitis (2)
- Salter-Harris Fractures (3)
- Sandhoff Disease (21)
- Sarcoglycanopathies (7)
- Sarcoidosis (302)
- Sarcoidosis, Pulmonary (63)
- Sarcoma (2,400)
- Sarcoma Botryoides (3)
- Sarcoma, Alveolar Soft Part (49)
- Sarcoma, Clear Cell (45)
- Sarcoma, Endometrial Stromal (26)
- Sarcoma, Ewing (407)
- Sarcoma, Kaposi (184)
- Sarcoma, Myeloid (13)
- Sarcoma, Synovial (127)
- Sarcopenia (841)
- Scabies (38)
- Scalp Dermatoses (20)
- Scheie Syndrome (22)
- Scheuermann Disease (10)
- Schindler Disease Type 1 (1)
- Schistosomiasis (77)
- Schistosomiasis haematobia (15)
- Schistosomiasis japonica (1)
- Schistosomiasis mansoni (18)
- Schizophrenia (3,736)
- Schizophrenia Spectrum and Other Psychotic Disorders (3,642)
- Schizophrenia, Catatonic (2)
- Schizophrenia, Childhood (9)
- Schizophrenia, Disorganized (4)
- Schizophrenia, Paranoid (36)
- Schizophrenia, Treatment-Resistant (74)
- Schizotypal Personality Disorder (18)
- Schnitzler Syndrome (10)
- Schwannoma (122)
- Schwannomatosis (9)
- Sciatic Neuropathy (119)
- Sciatica (132)
- Scimitar Syndrome (6)
- Scleredema (2)
- Scleredema Adultorum (2)
- Scleritis (18)
- Scleroderma, Diffuse (571)
- Scleroderma, Limited (14)
- Scleroderma, Localized (124)
- Scleroderma, Systemic (571)
- Scleromyxedema (1)
- Sclerosing Mesenteritis (1)
- Sclerosis (4,253)
- Sclerosteosis (26)
- Scoliosis (507)
- Scorpion Stings (13)
- Scotoma (19)
- Scott Syndrome (1)
- Scrub Typhus (12)
- Scurvy (14)
- Seasonal Affective Disorder (31)
- Sebaceous Gland Diseases (636)
- Seckel Syndrome (2)
- Secondary Adrenal Insufficiency (45)
- Seizures (1,203)
- Seizures, Febrile (19)
- Self Mutilation (23)
- Self-Injurious Behavior (893)
- Semantic Dementia (282)
- Semicircular Canal Dehiscence (2)
- Seminoma (61)
- Senior Loken Syndrome (1)
- Sensation Disorders (2,531)
- Sepiapterin Reductase Deficiency (1)
- Sepsis (3,094)
- Sepsis-Associated Encephalopathy (16)
- Septate Uterus (11)
- Septo-Optic Dysplasia (3)
- Septo-optic Dysplasia Spectrum (3)
- Seroma (104)
- Serotonin Syndrome (72)
- Serpiginous Choroiditis (2)
- Sertoli Cell Tumor (1)
- Sertoli-Leydig Cell Tumor (10)
- Severe Acute Malnutrition (106)
- Severe Acute Respiratory Syndrome (630)
- Severe Combined Immunodeficiency (82)
- Severe Combined Immunodeficiency, Atypical (1)
- Severe Congenital Neutropenia (22)
- Severe Dengue (62)
- Severe Fever with Thrombocytopenia Syndrome (2)
- Sex Chromosome Aberrations (10)
- Sex Chromosome Disorders (212)
- Sex Cord-Gonadal Stromal Tumors (20)
- Sexual Dysfunction, Physiological (741)
- Sexual Dysfunctions, Psychological (858)
- Sexual Trauma (21)
- Sexually Transmitted Diseases (5,483)
- Sexually Transmitted Diseases, Bacterial (249)
- Sexually Transmitted Diseases, Viral (4,948)
- Sezary Syndrome (359)
- Shaken Baby Syndrome (8)
- Shared Paranoid Disorder (15)
- Shashi-Pena Syndrome (1)
- Sheldon-Hall Syndrome (2)
- Shellfish Hypersensitivity (5)
- Shellfish Poisoning (3)
- Shigellosis (54)
- Shock (2,416)
- Shock, Cardiogenic (202)
- Shock, Hemorrhagic (69)
- Shock, Septic (905)
- Shock, Surgical (2)
- Shock, Traumatic (13)
- Short Bowel Syndrome (135)
- Shoulder Dislocation (95)
- Shoulder Dystocia (12)
- Shoulder Fractures (107)
- Shoulder Impingement Syndrome (237)
- Shoulder Injuries (933)
- Shoulder Pain (592)
- Shprintzen-Goldberg Craniosynostosis Syndrome (2)
- Shwachman-Diamond Syndrome (17)
- Shy-Drager Syndrome (169)
- Sialadenitis (8)
- Sialic Acid Storage Disease (1)
- Sialorrhea (48)
- Sick Sinus Syndrome (74)
- Sickle Beta Thalassemia (9)
- Sickle Cell Anemia (938)
- Sickle Cell Trait (49)
- Sideroblastic Anemia Pyridoxine-refractory Autosomal Recessive (72)
- Siderosis (19)
- Sigmoid Diseases (31)
- Sigmoid Neoplasms (14)
- Signs and Symptoms, Digestive (4,129)
- Signs and Symptoms, Respiratory (4,088)
- Silicosis (16)
- Silver-Russell Syndrome (5)
- Single Umbilical Artery (1)
- Single Ventricular Heart (96)
- Singleton-Merten Syndrome (1)
- Sinonasal Undifferentiated Carcinoma (3)
- Sinus Cancer (14)
- Sinus Thrombosis, Intracranial (18)
- Sinusitis (463)
- Sitosterolemia (13)
- Situs Inversus (42)
- Sixth Nerve Palsy (4)
- Sjogren's Syndrome (290)
- Sjogren-Larsson Syndrome (4)
- Skin Abnormalities (446)
- Skin Diseases (23,262)
- Skin Diseases, Bacterial (324)
- Skin Diseases, Eczematous (1,403)
- Skin Diseases, Genetic (1,750)
- Skin Diseases, Infectious (1,535)
- Skin Diseases, Metabolic (172)
- Skin Diseases, Papulosquamous (2,289)
- Skin Diseases, Parasitic (298)
- Skin Diseases, Vascular (1,005)
- Skin Diseases, Vesiculobullous (318)
- Skin Diseases, Viral (527)
- Skin Manifestations (1,271)
- Skin Neoplasms (780)
- Skin Ulcer (1,519)
- Skull Base Neoplasms (20)
- Skull Fractures (80)
- Skull Neoplasms (38)
- Sleep Apnea Syndromes (2,589)
- Sleep Apnea, Central (79)
- Sleep Apnea, Obstructive (2,016)
- Sleep Arousal Disorders (7)
- Sleep Bruxism (42)
- Sleep Deprivation (272)
- Sleep Disorders, Circadian Rhythm (118)
- Sleep Disorders, Intrinsic (3,794)
- Sleep Initiation and Maintenance Disorders (1,045)
- Sleep Paralysis (1)
- Sleep Wake Disorders (4,888)
- Sleep-Wake Transition Disorders (9)
- Sleepiness (355)
- Slipped Capital Femoral Epiphyses (19)
- Slow Virus Diseases (1,759)
- Small Cell Lung Cancer (1,196)
- Small Cell Lung Carcinoma (1,196)
- Small Fiber Neuropathy (47)
- Small Intestinal Adenocarcinoma (52)
- Small Intestine Cancer (142)
- Smallpox (83)
- Smear Layer (3)
- Smith-Kingsmore Syndrome (1)
- Smith-Lemli-Opitz Syndrome (17)
- Smith-Magenis Syndrome (15)
- Smoke Inhalation Injury (13)
- Smoldering Multiple Myeloma (90)
- Smooth Muscle Tumor (2)
- Snake Bites (27)
- Sneezing (20)
- Snoring (121)
- Social Communication Disorder (8)
- Soft Tissue Infections (106)
- Soft Tissue Injuries (70)
- Soft Tissue Neoplasms (60)
- Soft Tissue Sarcoma (2,400)
- Solitary Fibrous Tumor, Pleural (4)
- Solitary Fibrous Tumors (75)
- Solitary Kidney (3)
- Solitary Pulmonary Nodule (74)
- Somatoform Disorders (517)
- Somatosensory Disorders (235)
- Somatostatinoma (35)
- Somnambulism (5)
- Sotos Syndrome (2)
- Space Motion Sickness (4)
- Spasm (393)
- Spasmodic Dysphonia (39)
- Spasms, Infantile (43)
- Spastic Ataxia Charlevoix-Saguenay Type (3)
- Spastic Diplegia Cerebral Palsy (51)
- 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 (17)
- Specific Learning Disorder (13)
- Speech Disorders (630)
- Speech Sound Disorder (30)
- Spermatic Cord Torsion (8)
- Spermatocele (3)
- Spermatogenesis Arrest (1)
- Sphenoid Sinusitis (3)
- Spherocytosis, Hereditary (5)
- Sphincter of Oddi Dysfunction (10)
- Sphingolipidoses (457)
- Spider Bites (2)
- Spina Bifida (152)
- Spina Bifida Cystica (51)
- Spina Bifida Occulta (3)
- Spinal Cord Compression (45)
- Spinal Cord Diseases (3,117)
- Spinal Cord Injuries (1,655)
- Spinal Cord Ischemia (7)
- Spinal Cord Neoplasms (91)
- Spinal Cord Vascular Diseases (5)
- Spinal Curvatures (585)
- Spinal Diseases (2,895)
- Spinal Dysraphism (192)
- Spinal Fractures (160)
- Spinal Injuries (222)
- Spinal Muscular Atrophies of Childhood (29)
- Spinal Muscular Atrophy (224)
- Spinal Muscular Atrophy 1 (21)
- Spinal Muscular Atrophy Type 2 (21)
- Spinal Muscular Atrophy Type 3 (24)
- Spinal Muscular Atrophy Type 4 (4)
- Spinal Muscular Atrophy With Respiratory Distress 1 (4)
- Spinal Neoplasms (53)
- Spinal Osteochondrosis (10)
- Spinal Shock (4)
- Spinal Stenosis (390)
- 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 38 (2)
- 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 (3)
- Spinocerebellar Ataxia Type 6 (11)
- Spinocerebellar Ataxias (214)
- Spinocerebellar Degenerations (214)
- Spitz Nevus (1)
- Splenic Infarction (1)
- Splenic Rupture (2)
- Splenomegaly (44)
- Split Spinal Cord Malformation (1)
- Spondylarthritis (1,056)
- Spondylarthropathies (919)
- Spondylitis (1,056)
- Spondylitis, Ankylosing (435)
- Spondylolisthesis (228)
- Spondylolysis (218)
- Spondylosis (313)
- Spontaneous Coronary Artery Dissection (19)
- Sporotrichosis (3)
- Spotted Fever (5)
- Spotted Fever Group Rickettsiosis (5)
- Sprains and Strains (623)
- Sprue, Tropical (9)
- Squamous Cell Carcinoma of Head and Neck (1,424)
- Squamous Intraepithelial Lesions of the Cervix (51)
- Staghorn Calculi (2)
- Staphylococcal Infections (311)
- Staphylococcal Skin Infections (57)
- Staphylococcal Toxic Shock Syndrome (1)
- Stargardt Disease (45)
- Starvation (22)
- Status Asthmaticus (41)
- Status Epilepticus (103)
- Steatitis (2)
- Steatorrhea (16)
- Stenosis, Pulmonary Artery (10)
- Stenosis, Pulmonary Vein (8)
- Stenotrophomonas Maltophilia Infection (4)
- Stereotypic Movement Disorder (18)
- Steroid Metabolism, Inborn Errors (101)
- Stevens-Johnson Syndrome (34)
- Stevens-Johnson Syndrome/toxic Epidermal Necrolysis (34)
- Stickler Syndrome (4)
- Stiff-Person Syndrome (9)
- Still's Disease, Adult-Onset (19)
- Stillbirth (109)
- Stomach Cancer (2,808)
- Stomach Diseases (3,153)
- Stomach Neoplasms (2,808)
- Stomach Ulcer (114)
- Stomatitis (405)
- Stomatitis, Aphthous (49)
- Stomatitis, Denture (17)
- Stomatitis, Herpetic (4)
- Stomatognathic Diseases (9,282)
- Stomatognathic System Abnormalities (472)
- Storm Syndrome (6)
- Strabismus (190)
- Streptococcal Group A Invasive Disease (19)
- Streptococcal Infections (619)
- Stress Disorders, Post-Traumatic (1,824)
- Stress Disorders, Traumatic (2,464)
- Stress Disorders, Traumatic, Acute (44)
- Stress, Psychological (1,250)
- Striae Distensae (45)
- Stroke (8,119)
- Stroke, Lacunar (17)
- Strongyloidiasis (15)
- Struma Ovarii (2)
- Stupor (3)
- Sturge-Weber Syndrome (24)
- Stuttering (52)
- Subacute Sclerosing Panencephalitis (1)
- Subarachnoid Hemorrhage (428)
- Subarachnoid Hemorrhage, Traumatic (4)
- Subclavian Steal Syndrome (1)
- Subcorneal Pustular Dermatosis (2)
- Subcortical Band Heterotopia (1)
- Subcutaneous Emphysema (123)
- Subcutaneous Panniculitis-like T-cell Lymphoma (12)
- Subdural Effusion (2)
- Subependymal Giant Cell Astrocytoma (50)
- Subependymoma (45)
- Submandibular Gland Neoplasms (1)
- Substance Abuse, Intravenous (31)
- Substance Withdrawal Syndrome (169)
- Substance-Related Disorders (6,078)
- Succinic Semialdehyde Dehydrogenase Deficiency (5)
- Sudden Arrhythmia Death Syndrome (1)
- Sudden Infant Death (24)
- Sudden Infant Death Syndrome (24)
- Sudden Sensorineural Hearing Loss (37)
- Sudden Unexpected Death in Epilepsy (9)
- Suicidal Ideation (420)
- Suicide (856)
- Suicide Prevention (141)
- Suicide, Assisted (9)
- Suicide, Attempted (219)
- Suicide, Completed (4)
- Sulfatidosis (37)
- Sulfite Oxidase Deficiency (1)
- Sunburn (27)
- Sunstroke (16)
- Superficial Spreading Melanoma (4)
- Superinfection (11)
- Superior Limbic Keratoconjunctivitis (3)
- Superior Mesenteric Artery Syndrome (2)
- Superior Semicircular Canal Dehiscence Syndrome (2)
- Superior Vena Cava Syndrome (3)
- Suppuration (548)
- Supraglottic Laryngeal Cancer (2)
- Supranuclear Ocular Palsy (2)
- Supranuclear Palsy, Progressive (128)
- Supratentorial Neoplasms (172)
- Supratentorial Primitive Neuroectodermal Tumor (108)
- Supravalvular Aortic Stenosis (19)
- Surgical Wound (1,341)
- Surgical Wound Dehiscence (36)
- Surgical Wound Infection (631)
- Susac Syndrome (2)
- Sutton Disease 2 (1)
- Swayback (44)
- Sweat Gland Diseases (289)
- Sweat Gland Neoplasms (1)
- Sweating, Gustatory (5)
- Sweet Syndrome (1)
- Sydenham's Chorea (3)
- Symptom Flare Up (3)
- Syncope (233)
- Syncope, Vasovagal (71)
- Syndactyly (8)
- Syndrome (35,825)
- Synkinesis (11)
- Synostoses, Tarsal, Carpal, and Digital (1)
- Synostosis (46)
- Synovial Cyst (4,618)
- Synovial Sarcoma (126)
- Synovitis (91)
- Synovitis, Pigmented Villonodular (18)
- Synucleinopathies (3,710)
- Syphilis (97)
- Syphilis, Congenital (6)
- Syringoma (1)
- Syringomyelia (14)
- Systemic Candidiasis (75)
- Systemic Capillary Leak Syndrome (5)
- Systemic Inflammatory Response Syndrome (2,590)
- Systemic Mastocytosis (47)
- Systemic Onset Juvenile Idiopathic Arthritis (58)
- Systemic Scleroderma (571)
- Systemic Vasculitis (182)
- Systolic Murmurs (676)