Multiple clinical trials incorporate methylmalonate monitoring or related physiological evaluations across observational, dietary, digital, and pharmacological interventions for conditions including type 2 diabetes, cardiovascular diseases, hypertension, relapsing-remitting multiple sclerosis, and chronic heart failure. Currently designated under unassigned or non-standard phases, these trials remain in a not yet recruiting status. The initiatives are sponsored by diverse academic, governmental, and pharmaceutical organizations, including the German Federal Institute for Risk Assessment, Hoffmann-La Roche, and Elpen Pharmaceutical Co. Inc.
| 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 | -- |
| NCT06242483 | Not yet recruiting | Hypertension |
Hospital Israelita Albert Einstein|Elfie Pte. Ltd. |
2024-04-01 | Not Applicable |
| NCT05949580 | Not yet recruiting | Relapsing Remitting Multiple Sclerosis |
Hoffmann-La Roche|icometrix |
2024-04-30 | -- |
| NCT06117722 | Not yet recruiting | Chronic Heart Failure |
Elpen Pharmaceutical Co. Inc. |
2024-03-01 | -- |
(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>).