Alobresib (GS-5829) has been evaluated across several clinical trials sponsored by Gilead Sciences, focusing on solid tumors, lymphomas, metastatic castrate-resistant prostate cancer, and advanced estrogen receptor-positive, HER2-negative breast cancer. Conducted as Phase 1 and Phase 1/2 studies, these trials assessed the compound as monotherapy and in combination with endocrine therapies such as fulvestrant or exemestane. Recruitment across these programs has ended, encompassing completed trials alongside early-terminated studies in prostate and breast malignancies.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT02983604 | TERMINATED | Advanced Estrogen Receptor Positive HER2- Breast Cancer |
Gilead Sciences |
2017-01-10 | PHASE1; PHASE2 |
| NCT02607228 | TERMINATED | Metastatic Castrate-Resistant Prostate Cancer |
Gilead Sciences |
2015-12-08 | PHASE1; PHASE2 |
| NCT02392611 | COMPLETED | Solid Tumors and Lymphomas |
Gilead Sciences |
2015-03-16 | PHASE1 |
| NCT02983604 | Terminated | Advanced Estrogen Receptor Positive HER2- Breast Cancer |
Gilead Sciences |
2017-01-10 | Phase 1|Phase 2 |
| NCT02607228 | Terminated | Metastatic Castrate-Resistant Prostate Cancer |
Gilead Sciences |
2015-12-08 | Phase 1|Phase 2 |
| NCT02392611 | Completed | Solid Tumors and Lymphomas |
Gilead Sciences |
2015-03-16 | Phase 1 |
(data from https://clinicaltrials.gov, updated on 2019-08-07)
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>).
- Alobresib (GS-5829) Solubility in DMSO
- Alobresib (GS-5829) Stock Solution
- Alobresib (GS-5829) Storage
- Alobresib (GS-5829) Stability
- Alobresib (GS-5829) Molecular Weight
- Alobresib (GS-5829) SMILES
- Alobresib (GS-5829) CAS Number
- Alobresib (GS-5829) Chemical Structure (2D and 3D)
- Alobresib (GS-5829) SDS|MSDS