Browse 41,041 clinical trial listings
- Saliva and Salivary Gland Dysfunction 10 total 1 updated
- Sarcoidosis 68 total 5 updated
- Sarcoma 549 total 50 updated
- Sarcoma (Pediatric) 223 total 13 updated
- Sarcopenia 174 total 7 updated
- SARS-CoV-2 756 total 4 new 44 updated
- Scalp Disorders 1 total
- Scar Tissue 378 total 15 updated
- Schizophrenia and Schizoaffective Disorders 186 total 10 updated
- Schizophrenia and Schizoaffective Disorders (Pediatric) 153 total 8 updated
- Schizotypal Personality Disorder (SPD) 8 total
- Sciatica 12 total
- Scleroderma 105 total 1 new 3 updated
- Seasonal Affective Disorder (SAD) 2 total
- Seborrhea 4 total 1 updated
- Seborrheic Dermatitis 4 total 1 updated
- Seizure Disorders 409 total 26 updated
- Seizure Disorders (Pediatric) 102 total 7 updated
- Sepsis and Septicemia 109 total 1 updated
- Serial Evaluation of Ductal Epithelium 63 total 4 updated
- Severe Premenstrual Symptom 63 total 4 updated
- Severe Short Stature 38 total 3 updated
- Sexual Dysfunction 70 total 3 updated
- Sexually Transmitted Diseases (STDs) 38 total 4 updated
- Sezary Syndrome 22 total 1 updated
- Shingles 48 total 6 updated
- Sickle Cell Disease 221 total 18 updated
- Sickle Cell Disease 221 total 18 updated
- Sinus Infections 49 total 2 updated
- Sinusitis 51 total 2 updated
- Sjögren-Larsson Syndrome 0 total
- Sjogren's syndrome 132 total 1 new 8 updated
- Sjogren's Syndrome 132 total 1 new 8 updated
- Skin Aging 33 total 2 updated
- Skin Cancer 446 total 28 updated
- Skin Cell Studies 0 total
- Skin Conditions 4,421 total 4 new 313 updated
- Skin Infections/Disorders 9 total
- Skin Lipomas 0 total
- Skin Wounds 268 total 27 updated
- Sleep Apnea Syndromes 382 total 13 updated
- Sleep Disorders 780 total 29 updated
- Sleep Disorders (Pediatric) 53 total
- Small Cell Lung Cancer 1,484 total 1 new 142 updated
- Smallpox 6 total
- Smoking Cessation 230 total 9 updated
- Social Anxiety Disorder (SAD) 21 total 2 updated
- Social Phobia 49 total 3 updated
- Soft Tissue Infections 24 total
- Soft Tissue Sarcoma 547 total 50 updated
- Solid Tumor 2,047 total 1 new 192 updated
- Solid Tumors 2,047 total 1 new 192 updated
- Somatoform and Dissociative Disorders 4 total
- Speech Disorders 74 total 3 updated
- Spinal Cord Disorders 768 total 1 new 36 updated
- Spinal Cord Injuries 317 total 13 updated
- Spinal Cord Malignancy 12 total
- Spinal Muscular Atrophy 48 total 4 updated
- Spinal Stenosis 80 total 2 updated
- Spinal Surgery 52 total 1 updated
- Spine Athroplasty 63 total 4 updated
- Spinocerebellar Disorders 63 total 4 updated
- Spondylolisthesis 48 total 1 updated
- Sporotrichosis 0 total
- Sprains 570 total 1 new 27 updated
- Squamous Cell Carcinoma 794 total 56 updated
- Staphylococcal Infections 15 total 1 updated
- Staphylococcal Skin Infections 2 total
- Stasis Dermatitis 65 total 4 updated
- Stem Cell Transplant 799 total 46 updated
- Stem Cell Transplant 799 total 46 updated
- Stent 567 total 1 new 22 updated
- Sterilization 166 total 11 updated
- Stimulant Use Disorder 8 total
- Stomach Cancer 614 total 38 updated
- Stomach Discomfort 285 total 16 updated
- Strep Throat 7 total 1 updated
- Stress 2,595 total 5 new 108 updated
- Stretch Marks 5 total 1 updated
- Stroke 2,031 total 7 new 71 updated
- Substance Abuse 983 total 62 updated
- Suicide 310 total 14 updated
- Sun Poisoning 9 total
- Sunspot Fungus (Tinea Versicolor) 0 total
- Surgery 7,945 total 7 new 372 updated
- Surviving Abuse 63 total 4 updated
- Systemic Candidiasis 4 total
- Systemic Fungal Infections 22 total 3 updated
- Systemic Lupus Erythematosus 246 total 18 updated
Volunteer to support the development of new treatments.
Every year hundreds of thousands of volunteers step forward to participate in research. Register as a volunteer and receive email notifications for clinical trials relevant to you.