US Clinical Trial Search
Search over 120,000 active clinical trial listings in the US based on keyword and/or location. Search for International Clinical Trials.
- To view all studies near you: enter your zip code, set distance to "50 miles," and click "Search." Add keywords to refine search.
- To view all studies in the US relating to certain condition: please enter keyword for condition (e.g. diabetes), leave Zip Code box blank, and click "Search."
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Popular clinical trials searches on ClinicalConnection.com
Over 300,000 clinical trials searches are done each month at ClinicalConnection.com! The most popular searches are shown below.
| Keyword |
Number of Searches Per Month |
| Obesity | 29,380 searches |
| Healthy Volunteers | 23,140 searches |
| Infertility | 18,850 searches |
| Cancer | 17,160 searches |
| Diabetes | 16,380 searches |
| Multiple Sclerosis | 10,920 searches |
| Depression | 10,790 searches |
| Hepatitis | 7,930 searches |
| Stem Cells | 7,800 searches |
| Alzheimer's Disease | 6,110 searches |
| Stretch Marks | 5,850 searches |
| Sleep | 5,200 searches |
| Fibromyalgia | 4,810 searches |
| Herpes | 4,420 searches |
| Asthma | 4,160 searches |
| Hypertension (High Blood Pressure) | 4,160 searches |
| Smoking | 3,640 searches |
| Dental | 3,250 searches |
| Psoriasis | 3,250 searches |
| Migraine | 3,120 searches |
| ADHD | 2,860 searches |
| Osteoarthritis | 2,860 Searches |
| Back Pain | 2,860 searches |
| Constipation | 2,860 searches |
| COPD | 2,860 searches |
| Hair Loss | 2,860 searches |
| Hearing | 2,860 searches |
| HIV | 2,730 searches |
| Arthritis | 2,600 Searches |
| Erectile Dysfunction | 2,470 Searches |
| Pain | 2,470 Searches |
| Sleep Apnea | 2,470 Searches |
| Spinal Cord Injury | 2,470 Searches |
| Anxiety | 2,210 Searches |
| Parkinsons Disease | 2,210 Searches |
| Acne | 2,080 Searches |
| Insomnia | 1,950 Searches |
| Allergies | 1,690 Searches |
| Menopause | 1,690 Searches |
| PCOS | 1,690 Searches |
| Stroke | 1,690 Searches |
| Bipolar | 1,430 Searches |
| Fibroids | 1,430 Searches |
| Ulcerative Colitis | 1,430 Searches |
| Headache | 1,170 Searches |
| Hip Pain | 1,170 Searches |
| Knee Pain | 1,170 Searches |
| Prostate | 1,170 Searches |
| Schizophrenia | 1,170 Searches |
| Eye Disease | 1,040 Searches |
| Hot Flashes | 1,040 Searches |
| Shingles | 1,040 Searches |
| Rosacea | 910 Searches |
| ALS | 780 Searches |
| Cholesterol | 780 Searches |
| Chronic Pain | 780 Searches |
| Diet | 780 Searches |
| Endometriosis | 780 Searches |
| Gout | 780 Searches |
| High Cholesterol | 780 Searches |
| HPV | 780 Searches |
| Lupus | 780 Searches |
| Sleep Study | 780 Searches |
| Glaucoma | 650 Searches |
| Memory Loss | 650 Searches |
| Narcolepsy | 650 Searches |
| Acid Reflux | 520 Searches |
| Addiction | 520 Searches |
| Autism | 520 Searches |
| Gastric Bypass | 520 Searches |
| Libido | 520 Searches |
| Liver | 520 Searches |
| Low Back Pain | 520 Searches |
| Lymphoma | 520 Searches |
| Neuropathy | 520 Searches |
| PTSD | 520 Searches |
| Snoring | 520 Searches |
| Aids | 390 Searches |
| Barrett'S Esophagus | 390 Searches |
| Chronic Constipation | 390 Searches |
| Gallstones | 390 Searches |
| Kidney Failure | 390 Searches |
| Uterine Fibroids | 390 Searches |
| Epilepsy | 260 Searches |
| GERD | 260 Searches |
| Obsessive Compulsive Disorder | 260 Searches |
| Smoking Cessation | 260 Searches |
| Tinnitus | 260 Searches |
| other searches | 31,824 |