Multiple clinical trials sponsored by Novartis Pharmaceuticals and Institut de Recherches Internationales Servier have evaluated S55746 across various hematologic malignancies, including acute myeloid leukemia, myelodysplastic syndrome, chronic lymphocytic leukemia, B-cell non-Hodgkin lymphoma, mantle cell lymphoma, follicular lymphoma, and multiple myeloma. These completed Phase 1 and Phase 1b dose-escalation evaluations investigated S55746 both as a monotherapy and in combination with idelalisib.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT02920697 | COMPLETED | Chronic Lymphocytic Leukaemia (CLL); B-Cell Non-Hodgkin Lymphoma (NHL); Multiple Myeloma (MM) |
Institut de Recherches Internationales Servier |
2014-03 | PHASE1 |
| NCT02603445 | Completed | Follicular Lymphoma Mantle Cell Lymphoma |
Novartis Pharmaceuticals|Novartis |
2015-11-16 | Phase 1 |
| NCT02920541 | Completed | Acute Myeloid Leukaemia (AML)|Myelodysplastic Syndrome (MDS) |
Institut de Recherches Internationales Servier|ADIR a Servier Group company|Servier |
2015-01 | Phase 1 |
| NCT02920697 | Completed | Chronic Lymphocytic Leukaemia (CLL)|B-Cell Non-Hodgkin Lymphoma (NHL)|Multiple Myeloma (MM) |
Institut de Recherches Internationales Servier|ADIR a Servier Group company|Servier |
2014-03 | Phase 1 |
(data from https://clinicaltrials.gov, updated on 2024-07-25)
Check the
S55746
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
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>).
Note: Technical data last updated: Sep 1, 2026.