This Abatacept 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
243
Registered trials
430
Result records
3
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 Abatacept can convert its Fc fusion protein profile and CD80 x CD86 biology into clinically meaningful differentiation while preserving an investable safety, IP and commercial position.
| Asset | Abatacept (query alias: abatacept) |
|---|---|
| Modality / target | Fc fusion protein; CD80 x CD86; CD80 modulators, CD86 modulators |
| Highest global status | Approved |
| Originator | Bristol Myers Squibb Co. |
| Active developers | Baker Heart & Diabetes Institute, Bristol Myers Squibb Co., Bristol-Myers Squibb Pharma EEIG |
The MCP disease footprint includes Acute Graft Versus Host Disease, Juvenile Idiopathic Arthritis, Arthritis, Psoriatic. 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 |
|---|---|---|---|---|
| NCT07366801 | Phase 2/3 | Recruiting | 64 | Feasibility- Number of participants with treatment-related adverse events as assessed by CTCAE v4.0 |
| NCT07616154 | Phase 2 | Not yet recruiting | 45 | GVHD-free and rejection free survival (GRFS) |
| NCT07599176 | Phase 1/2 | Recruiting | 90 | Donor myeloid chimerism |
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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Not Applicable; n=72000; evaluation: Positive. Reported fields: ACR20: OR = 3.3, P-Value = < 0.05; ACR20: OR = 3.3, P-Value = < 0.05; ACR20: OR = 3.3, P-Value = < 0.05
Not Applicable; n=526; evaluation: Positive. Reported fields: UIP pattern = 48.0 %
Phase 1/2; n=3; evaluation: Positive. Reported fields: AE = Most AEs were mild or moderate. All patients experienced transient non-severe symptoms indicative of systemic infusion-related reactions (IRR; e.g. erythema, hyperhidrosis), and one patient experienced local IRR. One patient had transient grade 4 neutropenia with leukopenia, which resolved without intervention. Total IgG levels decreased in all patients, and one patient received immunoglobulin replacement therapy due to IgG levels below 4g/l (week 24). No severe infections occurred.
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.
Abatacept addresses Acute Graft Versus Host Disease, Juvenile Idiopathic Arthritis, Arthritis, Psoriatic. Commercial attractiveness rests on addressable biomarker-positive patients, treatment-line placement, duration, administration burden, pricing and displacement of entrenched standards. The modality—Fc fusion protein—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: 3 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 |
|---|---|---|---|
| 2011-09-20 | Bristol-Myers Squibb and Ono Enter into Strategic Agreement for Anti-PD-1 Antibody, BMS-936558/ONO-4538, and ORENCIA® (abatacept) | Approved | Financial terms not disclosed |
| 2010-11-03 | Simcere Pharmaceutical Group and Bristol-Myers Squibb Company Enter Innovative Partnership to Develop Early-Stage Oncology Compound | Approved | Financial terms not disclosed |
| 2008-04-08 | Repligen Announces Settlement with Bristol-Myers Squibb in Orencia® Lawsuit | Not disclosed | US$5.0M upfront |
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.