Clinical Trials by Drug

Drugs and interventions starting with O, each linking to its trial list

ClinicalTrials Daily · Areas · Conditions · Drugs · Sponsors ·

The number after each drug is how many registered trials in our index test it, all years and all statuses. Each link opens the full list.

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Oxaliplatin (1,900 trials)
Observation (1,091 trials)
Oxytocin (504 trials)
Omeprazole (414 trials)
Ondansetron (397 trials)
Olanzapine (395 trials)
Oxycodone (390 trials)
Oxygen (312 trials)
Ophthalmic Solutions (266 trials)
Omalizumab (214 trials)
Octreotide (164 trials)
Occupational Therapy (163 trials)
Olive Oil (154 trials)
Oseltamivir (140 trials)
Omacor (138 trials)
Ointments (113 trials)
Occlusal Splints (93 trials)
Olmesartan Medoxomil (86 trials)
Open Fracture Reduction (65 trials)
Orlistat (62 trials)
Oxymetazoline (59 trials)
Ozone (55 trials)
Oxcarbazepine (51 trials)
Organization and Administration (49 trials)
Ofloxacin (46 trials)
Oximetry (43 trials)
Oils, Volatile (42 trials)
Olopatadine Hydrochloride (42 trials)
OPC-67683 (38 trials)
Oils (38 trials)
Orthodontic Appliances, Fixed (37 trials)
Optical Imaging (36 trials)
Orthodontics (36 trials)
O(6)-benzylguanine (34 trials)
Ogivri (33 trials)
Orthotic Devices (33 trials)
Olfactory Training (32 trials)
ON 01910 (31 trials)
Occult Blood (30 trials)
Ontruzant (30 trials)
Ovidrel (30 trials)
Oxygen Inhalation Therapy (28 trials)
Opdualag (26 trials)
Orthognathic Surgery (25 trials)
Ovulation Induction (25 trials)
Oxygen Saturation (25 trials)
Organizational Objectives (21 trials)
Ortho Evra (21 trials)
Orthodontic Appliances, Removable (21 trials)
Osteogenesis, Distraction (21 trials)
Osilodrostat (20 trials)
One-Lung Ventilation (19 trials)
Oral Hygiene (19 trials)
Ovariectomy (19 trials)
Oxacillin (19 trials)
Oxandrolone (19 trials)
Odorants (16 trials)
ORALIT (15 trials)
Oxymorphone (15 trials)
Outcome Assessment, Health Care (14 trials)
O-methyl reboxetine (13 trials)
Oncolytic Virotherapy (13 trials)
Oocyte Retrieval (13 trials)
Opiate Substitution Treatment (13 trials)
Orthopedic Procedures (13 trials)
Omiganan (12 trials)
Orchiectomy (12 trials)
Osteotomy (12 trials)
Oleic Acid (11 trials)
Otilimab (11 trials)
ORM-12741 (10 trials)
Observational Studies as Topic (10 trials)
Office Visits (10 trials)
Optical Fibers (10 trials)
Orabase (10 trials)
Oral Health (10 trials)
Orphenadrine (10 trials)
Ospemifene (10 trials)
Osteopathic Physicians (10 trials)
Oxidative Stress (10 trials)
OGX-011 (9 trials)
OPT 80 (9 trials)
ORF 50 transactivator (9 trials)
Opiate Alkaloids (9 trials)
Oxazepam (9 trials)
ONX 0912 (8 trials)
ORMD-0801 (8 trials)
Ocoxin (8 trials)
Octagam (8 trials)
Open Abdomen Techniques (8 trials)
Operative Blood Salvage (8 trials)
Oral Frenectomy (8 trials)
Organizations (8 trials)
Oxaloacetic Acid (8 trials)
Ophthalmologic Surgical Procedures (7 trials)
Ophthalmoscopy (7 trials)
Ovulation Detection (7 trials)
O(6)-codeine methyl ether (6 trials)
OKN 007 (6 trials)
OOS-A regimen (6 trials)
Occlusive Dressings (6 trials)
Oligopin (6 trials)
Oligosaccharides (6 trials)
Ornidazole (6 trials)
Orthodontic Appliances, Functional (6 trials)
O-antigen, Acinetobacter strain 90 (5 trials)
ONO-2952 (5 trials)
OTX015 (5 trials)
Occlusal Adjustment (5 trials)
Off-Label Use (5 trials)
Oral Sprays (5 trials)
Osmolite (5 trials)