Multiple Phase 1 clinical trials sponsored by pharmaceutical entities, including Amgen and AbbVie, have evaluated Tapotoclax (AMG-176) as monotherapy and in combination with azacitidine or venetoclax. These studies assessed safety, tolerability, pharmacokinetics, and pharmacodynamics across various hematologic malignancies, including acute myeloid leukemia, higher-risk myelodysplastic syndrome, chronic myelomonocytic leukemia, non-Hodgkin's lymphoma, diffuse large B-cell lymphoma, and relapsed or refractory multiple myeloma. Notably, all recorded Phase 1 clinical trials for this compound currently hold a recruitment status of terminated.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT02675452 | TERMINATED | Relapsed or Refractory Multiple Myeloma; Relapsed or Refractory Acute Myeloid Leukemia |
Amgen |
2016-06-13 | PHASE1 |
| NCT05209152 | TERMINATED | Higher Risk Myelodysplastic Syndrome; Chronic Myelomonocytic Leukemia |
Amgen |
2022-11-14 | PHASE1 |
| NCT03797261 | TERMINATED | Acute Myeloid Leukemia; Non-Hodgkin's Lymphoma; Diffuse Large B-cell Lymphoma |
AbbVie |
2019-03-18 | PHASE1 |
(data from https://clinicaltrials.gov, updated on 2025-07-09)
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>).
- Tapotoclax (AMG-176) Solubility in DMSO
- Tapotoclax (AMG-176) Stock Solution
- Tapotoclax (AMG-176) Storage
- Tapotoclax (AMG-176) Stability
- Tapotoclax (AMG-176) Molecular Weight
- Tapotoclax (AMG-176) SMILES
- Tapotoclax (AMG-176) CAS Number
- Tapotoclax (AMG-176) Chemical Structure (2D and 3D)
- Tapotoclax (AMG-176) SDS|MSDS