Multiple clinical trials are evaluating pyridoxine for diverse metabolic, neurological, and cardiovascular conditions, such as pyridoxine-dependent epilepsy, ischemic stroke, type 2 diabetes mellitus, and vitamin deficiency. Sponsored primarily by academic, medical, and governmental entities—including University Hospital Angers, Barts & The London NHS Trust, and the German Federal Institute for Risk Assessment—these studies are either actively recruiting or not yet recruiting participants. Across these initiatives, trial phases are currently classified as unassigned or not applicable.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT06323538 | Not yet recruiting | Dietary Exposure|Diabetes Mellitus Type 2|Cardiovascular Diseases|Bone Loss|Sustainability|Exposure|Obesity|Vitamin Deficiency|Mineral Deficiency |
German Federal Institute for Risk Assessment|Max Rubner-Institut|University of Bonn|Research Institute for Plant-Based Nutrition|University of Jena|University of Regensburg|Heidelberg University|University of Vienna |
2024-04-01 | -- |
| NCT06054347 | Not yet recruiting | Pyridoxine-Dependent Epilepsy |
University Hospital Angers |
2023-11-01 | -- |
| NCT05474105 | Recruiting | Ischemic Stroke |
Barts & The London NHS Trust|Queen Mary University of London|Nutricia Research |
2023-07-11 | 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>).