Multiple clinical trials evaluate glycerol or glycerol-derived formulations for conditions such as corticobasal syndrome, liver cancer, and liver transplantation complications, including graft dysfunction and rejection. Sponsored by academic and regional health organizations—including Oslo University Hospital, the South-Eastern Norway Regional Health Authority, and the Technical University of Munich—these Phase II and phase-unclassified studies vary in recruitment status. Currently, protocols range from not yet recruiting for ex vivo liver perfusion to actively recruiting for glycerol phenylbutyrate.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT05951231 | Not yet recruiting | Liver Transplant; Complications|Transplant; Failure Liver|Transplant Dysfunction|Transplant; Complication Rejection|Transplant|Liver Metastases|Liver Cancer |
Oslo University Hospital|South-Eastern Norway Regional Health Authority |
2024-02 | Not Applicable |
| NCT05983588 | Recruiting | Corticobasal Syndrome (CBS) |
Technical University of Munich |
2023-12-12 | Phase 2 |
(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>).