Several clinical trials evaluate rifabutin across Phase 1 and Phase 3 development, comprising both actively recruiting and completed studies sponsored by entities like BioVersys AG and Tourcoing Hospital. These trials assess healthy participants along with conditions such as bacterial infections, staphylococcal prosthetic infections, and renal impairment. Phase 1 research evaluates safety, pharmacokinetics, and pulmonary tissue penetration, whereas Phase 3 research examines therapeutic efficacy in implant-related infections.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT05684705 | Recruiting | Bacterial Infections |
BioVersys AG|CW-Research and Management GmbH |
2023-09-01 | Phase 1 |
| NCT05684718 | Completed | Bacterial Infections |
BioVersys AG|CRU Hungary Kft |
2023-02-01 | Phase 1 |
| NCT05537142 | Recruiting | Healthy Participants |
BioVersys AG|CRU Hungary Kft |
2022-09-02 | Phase 1 |
| NCT04672525 | Recruiting | Prosthetic Infection |
Tourcoing Hospital |
2021-11-08 | Phase 3 |
| NCT05086107 | Completed | Renal Impairment |
BioVersys AG|CRU Hungary Kft|CRU Hungary Early Phase Unit |
2021-10-08 | Phase 1 |
(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>).