Multiple clinical trials have investigated therapeutic regimens involving enzalutamide, of which N-desmethyl enzalutamide is a primary active metabolite. Spanning Phase I through Phase III evaluations, these studies targeted castration-resistant prostatic neoplasms, breast cancer, advanced hepatocellular carcinoma, and general neoplasms under major pharmaceutical sponsorship from Hoffmann-La Roche, Pfizer, Astellas Pharma, Medivation, and GlaxoSmithKline. Recorded trial statuses range from completed studies in prostate cancer, hepatocellular carcinoma, and general neoplasms to a withdrawn protocol in breast cancer.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT03016312 | Completed | Prostatic Neoplasms Castration-Resistant |
Hoffmann-La Roche |
2017-01-10 | Phase 3 |
| NCT02929576 | Withdrawn | Breast Cancer |
Pfizer|Astellas Pharma Inc|Medivation Inc. |
2016-09 | Phase 3 |
| NCT02528643 | Completed | Advanced Hepatocellular Carcinoma |
Astellas Pharma Global Development Inc.|Pfizer|Astellas Pharma Inc |
2015-11-09 | Phase 2 |
| NCT02215096 | Completed | Neoplasms |
GlaxoSmithKline |
2014-11-13 | 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>).
- N-desMethyl EnzalutaMide Solubility in DMSO
- N-desMethyl EnzalutaMide Stock Solution
- N-desMethyl EnzalutaMide Storage
- N-desMethyl EnzalutaMide Stability
- N-desMethyl EnzalutaMide Molecular Weight
- N-desMethyl EnzalutaMide SMILES
- N-desMethyl EnzalutaMide CAS Number
- N-desMethyl EnzalutaMide Chemical Structure (2D and 3D)
- N-desMethyl EnzalutaMide SDS|MSDS