Multiple clinical trials evaluate oxcarbazepine across Phase 2, Phase 4, bioequivalence, and observational protocols sponsored by academic institutions, university hospitals, and pharmaceutical companies such as Novartis, Bayer, and Janssen Korea. These studies investigate conditions including epilepsy, multiple sclerosis, contraceptive drug interactions, and single-dose pharmacokinetics in healthy participants. Recruitment status varies across this landscape, with completed recruitment achieved in Phase 2 neuroprotection and Phase 4 pharmacokinetic evaluations, while observational studies maintain an unknown status.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT02104661 | Completed | Multiple Sclerosis |
Queen Mary University of London|National Multiple Sclerosis Society|Novartis Pharmaceuticals|Barts & The London NHS Trust|University College London|Royal Free Hospital NHS Foundation Trust|Mid and South Essex NHS Foundation Trust|St George''s Healthcare NHS Trust|Barnet and Chase Farm Hospitals NHS Trust |
2014-10 | Phase 2 |
| NCT02098941 | Unknown status | Epilepsy |
Seoul National University Hospital|Janssen Korea Ltd. Korea |
2014-03 | -- |
| NCT02362373 | Completed | Epilepsy|Contraception |
Columbia University|Bayer |
2011-08 | Phase 4 |
| NCT00951847 | Completed | Healthy |
Ranbaxy Laboratories Limited|Ranbaxy Inc. |
2006-10 | Not Applicable |
| NCT00951600 | Completed | Healthy |
Ranbaxy Laboratories Limited|Ranbaxy Inc. |
2006-09 | Not Applicable |
(data from https://clinicaltrials.gov, updated on 2024-05-22)
Mechanism and Biochemical Profile
Appendix RUO and cGMP Quality Standards
| Quality Dimension | RUO (Research Use Only) | cGMP (Current Good Manufacturing Practice) |
|---|---|---|
| Clinical Applicability | Prohibited in human clinical trials or medical diagnostics. | Mandatory for human clinical trials (Phase I–III) and therapies. |
| Regulatory Status | Non-regulated grade; exempt from drug manufacturing laws. | Legally enforced by health authorities (e.g., FDA, EMA, NMPA). |
| Facility Environment | Unclassified analytical or research laboratories. | Validated Cleanrooms (ISO Class 5–8) with continuous monitoring. |
| Quality Control | Basic purity and activity testing. | Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma). |
| Process Validation | Basic equipment calibration; no process validation required. | Full qualification (IQ/OQ/PQ) and complete batch records. |
| Quality Assurance | Vendor self-declared without required formal QMS. | Mandatory QA/QC unit, Change Control, CAPA, and vendor audits. |
| Regulatory Impact | High risk of IND rejection if used as a critical raw material. | Required for IND/NDA filings, supported by Drug Master Files (DMF). |
Footnotes
Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).