This Edaravone 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
108
Registered trials
51
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 Edaravone can convert its Small molecule drug profile and Free radicals biology into clinically meaningful differentiation while preserving an investable safety, IP and commercial position.
| Asset | Edaravone (query alias: edaravone) |
|---|---|
| Modality / target | Small molecule drug; Free radicals; Free radicals inhibitors, Neuroprotectants |
| Highest global status | Approved |
| Originator | Tanabe Pharma Corp. |
| Active developers | Beijing Tiantan Hospital, Shanghai Auzone Biological Technology Co., Ltd., Treeway BV |
The MCP disease footprint includes Amyotrophic Lateral Sclerosis, Brain Infarction, Acute Ischemic Stroke. 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 |
|---|---|---|---|---|
| ChiCTR2600117649 | Phase 4 | Not yet recruiting | 37 | Postoperative pulmonary complications |
| ChiCTR2600125711 | Phase 2 | Not yet recruiting | 53 | Proportion of patients achieving a >=25% reduction in brain edema volume on FLAIR-MRI at 3 months after treatment |
| ChiCTR2600119095 | Not Applicable | Pending | 79 | Change in MoCA score from baseline at 6 months |
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 3; n=442; evaluation: Positive. Reported fields: NLR(48 weeks): P-Value = 0.065; P-Value = 0.038; NLR(48 weeks): P-Value = 0.065; P-Value = 0.038; NLR(48 weeks): P-Value = 0.065; P-Value = 0.038
Phase 3; n=243; evaluation: Positive. Reported fields: ALSFRS-R = 35.1 point
Not Applicable; n=420; evaluation: Positive. Reported fields: survival benefit = 78 edaravone oral suspension-treated patients from Studies MT-1186-A02/A04 demonstrated a survival benefit versus 78 matched PRO-ACT placebo patients (p = 0.005) ; survival benefit = 78 edaravone oral suspension-treated patients from Studies MT-1186-A02/A04 demonstrated a survival benefit versus 78 matched PRO-ACT placebo patients (p = 0.005)
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.
Edaravone addresses Amyotrophic Lateral Sclerosis, Brain Infarction, Acute Ischemic Stroke. 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 |
|---|---|---|---|
| 2025-12-22 | Shionogi Completes Acquisition of All Rights to RADICAVA (edaravone) | Approved | US$2,500.0M stated total |
| 2024-07-12 | 华东医药股份有限公司关于全资子公司与澳宗生物签署产品独家许可协议的公 告 | Phase 3 | US$13.8M upfront; US$163.2M milestones |
| 2023-08-27 | Specialised Therapeutics acquires commercialisation rights to new oral MND therapy | Phase 3 | Financial terms not disclosed |
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.
The milestone feed surfaced a patent-application signal described as “Edaravone oral instant film as well as preparation method and application thereof”. The milestone feed surfaced a patent-application signal described as “Solid oral quick-release preparation containing edaravone and dextroborneol”. The milestone feed surfaced a patent-application signal described as ““an improved process for the preparation of edaravone of formula (x)””.
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.