Multiple clinical trials evaluate Subasumstat (TAK-981), a selective inhibitor of the SUMOylation cascade, across early-phase to Phase I/II studies sponsored primarily by industry entities including Takeda and Presage Biosciences. Targeting oncology indications such as advanced solid tumors, non-Hodgkin lymphoma, relapsed or refractory multiple myeloma, and head and neck cancer, these studies encompass completed, active not recruiting, and terminated recruitment statuses. Overall, these investigations aim to determine the safety, pharmacokinetics, and preliminary therapeutic efficacy of TAK-981, including combination regimens with pembrolizumab or rituximab.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT04381650 | COMPLETED | Advanced or Metastatic Solid Tumors |
Takeda |
2020-08-17 | PHASE1; PHASE2 |
| NCT05976334 | TERMINATED | Solid Tumors |
Takeda |
2023-11-14 | PHASE1 |
| NCT03648372 | TERMINATED | Neoplasms; Lymphoma; Hematologic Neoplasms |
Takeda |
2018-10-01 | PHASE1; PHASE2 |
| NCT04776018 | TERMINATED | Relapsed and/or Refractory Multiple Myeloma (RRMM) |
Takeda |
2021-04-20 | PHASE1; PHASE2 |
| NCT04074330 | TERMINATED | Lymphoma, Non-Hodgkin |
Takeda |
2019-10-15 | PHASE1; PHASE2 |
| NCT04065555 | COMPLETED | Head and Neck Cancer |
Presage Biosciences |
2020-10-07 | EARLY_PHASE1 |
| NCT04381650 | Active not recruiting | Advanced or Metastatic Solid Tumors |
Takeda|Takeda Development Center Americas Inc. |
2020-08-17 | Phase 1|Phase 2 |
| NCT04074330 | Terminated | Lymphoma Non-Hodgkin |
Takeda |
2019-10-15 | Phase 1|Phase 2 |
| NCT03648372 | Terminated | Neoplasms|Lymphoma|Hematologic Neoplasms |
Takeda |
2018-10-01 | Phase 1|Phase 2 |
(data from https://clinicaltrials.gov, updated on 2025-12-10)
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>).
- Subasumstat (TAK-981) Mechanism of Action: SAE Inhibition in Tumor and Immune Cells Research
- Subasumstat (TAK-981) Working Concentration | Cell Culture | Treatment
- Subasumstat (TAK-981) Solubility in DMSO
- Subasumstat (TAK-981) Stock Solution
- Subasumstat (TAK-981) Storage
- Subasumstat (TAK-981) Stability
- Subasumstat (TAK-981) Combination Database
- Subasumstat (TAK-981) Molecular Weight
- Subasumstat (TAK-981) SMILES
- Subasumstat (TAK-981) CAS Number
- Subasumstat (TAK-981) Chemical Structure (2D and 3D)
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- Subasumstat (TAK-981) Cayman (32741)? Try a better option.
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- Subasumstat (TAK-981) SDS|MSDS