This Lisaftoclax Drug Asset Due Diligence Report was built with PatSnap Life Sciences MCP workflows. Drug & Asset MCP establishes identity, ownership and stage; Clinical Trials MCP checks design, endpoints and readouts; Company & Deal Intelligence MCP reconstructs transaction precedent. Explore the MCP servers used in this report.
Decision date: 15 July 2026. Currency fields are presented in US$ millions as returned by the deal dataset. This is a screening memorandum, not legal, medical, patent or investment advice.
Approved
Highest phase
42
Registered trials
23
Result records
6
Matched deals
Advance diligence: development maturity and available evidence support continued investment, subject to indication-specific safety, IP, and commercial gates.
The central underwriting question is whether Lisaftoclax can convert its Small molecule drug profile and Bcl-2 biology into clinically meaningful differentiation while preserving an investable safety, IP and commercial position.
| Asset | Lisaftoclax (query alias: Lisaftoclax) |
|---|---|
| Modality / target | Small molecule drug; Bcl-2; Bcl-2 inhibitors |
| Highest global status | Approved |
| Originator | Suzhou Yasheng Pharmaceutical Co., Ltd. |
| Active developers | Sun Yat-Sen University Cancer Center, Suzhou Yasheng Pharmaceutical Co., Ltd., Ascentage Pharma Group, Inc. |
The MCP disease footprint includes Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, High Risk Myelodysplastic Syndrome. The highest-phase flag is a useful orientation point, but the licensing case depends on indication-level evidence and rights, not the global label alone.
| Registry | Phase | Status | Enrollment | Lead primary endpoint |
|---|---|---|---|---|
| NCT07686965 | Phase 3 | Not yet recruiting | 191 | Disease-Free Survival |
| ChiCTR2600127203 | Phase 2 | Not yet recruiting | 55 | Composite Complete Remission Rate |
| NCT07684950 | Phase 2 | Not yet recruiting | 45 | Complete Response Rate at 6 Months in Cohort 1 |
The trial set should be diligenced for randomization, comparator relevance, endpoint hierarchy, analysis population, multiplicity, geographic mix and readout timing. For early-stage studies, safety and dose selection can be as decision-critical as response rate.

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Phase 1; n=34; evaluation: Positive. Reported fields: TRAE(Grade ≥ 3) = Included thrombocytopenia (42.9%) and neutropenia (28.6%). ; TRAE(Grade ≥ 3) = Included thrombocytopenia (42.9%) and neutropenia (28.6%).
Phase 2; n=72; evaluation: Positive. Reported fields: mPFS = 23.9 month
Not Applicable; n=30; evaluation: Positive. Reported fields: CR/CRi = 72.0 %
These fields are structured evidence signals, not a substitute for statistical review. The next diligence pass should reconcile denominators, confidence intervals, follow-up, censoring, dose cohorts and treatment-emergent toxicity against the original abstract, registry and protocol.
Lisaftoclax addresses Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, High Risk Myelodysplastic Syndrome. Commercial attractiveness rests on addressable biomarker-positive patients, treatment-line placement, duration, administration burden, pricing and displacement of entrenched standards. The modality—Small molecule drug—must demonstrate a benefit large enough to offset class-specific safety and operational costs.
The strongest market-validation signal in this screen is partner behavior: 6 matched transaction record(s) indicate that sophisticated counterparties have assigned strategic value to the asset or its rights. That does not establish net present value; probability of success, remaining R&D spend, royalties, cost sharing and territorial scope still need modeling.
| Date | Transaction | Phase at deal | Disclosed economics |
|---|---|---|---|
| 2025-07-22 | 亚盛医药与多家医药流通龙头企业达成合作,全面推进利生妥®商业化布局 | Approved | Financial terms not disclosed |
| 2021-11-08 | Ascentage Pharma Announces Clinical Trial Agreement to Evaluate the Combination of Lisaftoclax (APG-2575) and the CDK4/6 Inhibitor IBRANCE® (Palbociclib) in Metastatic ER+/HER2- Breast Cancer | Approved | Financial terms not disclosed |
| 2021-07-14 | Ascentage Pharma and Innovent Biologics Reach Multifaceted Strategic Agreement Totaling US$245 Million Including Commercialization of Olverembatinib (HQP1351) in China, Joint Clinical Development of Lisaftoclax (APG-2575) and Equity Investment | Phase 3 | US$30.0M upfront; US$115.0M milestones; US$145.0M stated total |
Headline values are not directly comparable. Diligence should normalize upfront cash, equity, development and sales milestones, tiered royalties, opt-in mechanics, cost sharing, change-of-control clauses and geography.
No asset-specific patent-application milestone appeared in the returned milestone slice. That absence is not a freedom-to-operate conclusion; a dedicated family, claim, ownership, expiry, and legal-status search remains mandatory before signing.
The claim chart should separately test composition or sequence coverage, formulation and dosing, indication and biomarker claims, combinations, manufacturing know-how, prosecution history, term extensions and third-party blocking rights. Confirm that licensed patents, data and know-how track every granted territory and field.
Cross-functional diligence should also test CMC comparability, supply chain, pharmacovigilance, regulatory correspondence, data integrity, investigator concentration, partner obligations and change-of-control restrictions.
Advance diligence: development maturity and available evidence support continued investment, subject to indication-specific safety, IP, and commercial gates.
Required pre-signing gates: reproduce key efficacy analyses; complete an indication-specific safety review; run a full patent-family and freedom-to-operate search; model risk-adjusted economics by territory; and reconcile all rights, sublicenses and encumbrances.
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Data provenance: PatSnap Drug & Asset MCP, Clinical Trials MCP, and Company & Deal Intelligence MCP; accessed 15 July 2026. Counts and status fields may change as source records update.