Tenofovir Disoproxil Orotate Drug Due Diligence Report 2026

This Tenofovir Disoproxil Orotate 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: 23 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.

Phase 3

Highest phase

Registered trials

Result records

Matched deals

Executive recommendation: GO

Decision memo

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 Tenofovir Disoproxil Orotate can convert its Small molecule drug profile and RT biology into clinically meaningful differentiation while preserving an investable safety, IP and commercial position.

1. Asset identity and development status

Asset	Tenofovir Disoproxil Orotate (query alias: Tenofovir Disoproxil Orotate)
Modality / target	Small molecule drug; RT; RT inhibitors
Highest global status	Phase 3
Originator	Dong-A Pharmaceutical Co., Ltd.
Active developers	Dong-A Pharmaceutical Co., Ltd.

The MCP disease footprint includes Hepatitis B. 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.

2. Clinical program: design and endpoint audit

Registry	Phase	Status	Enrollment	Lead primary endpoint
NCT02967939	Phase 3	Completed	123	Difference of HBV DNA level(log10)
NCT02557594	Phase 1	Completed	36	Area Under Curve(AUC)last of Tenofovir

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.

Reproduce the asset-to-trial workflow with PatSnap MCP

3. Clinical readouts: what is known

A Multi-Center, Double-Blind Randomized Controlled Phase III Clinical Trial to Evaluate the Antiviral Activity and Safety of DA-2802 (Tenofovir Disoproxil Orotate) and Viread (Tenofovir Disoproxil Fumarate) in Chronic Hepatitis B Patients

Phase 3; n=122; evaluation: Non-inferior. Reported fields: HBV DNA level = -4.97 log10 copies/mL (SD, 1.40); HBV DNA level = -5.13 log10 copies/mL (SD, 1.40)

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.

4. Market and competitive position

Tenofovir Disoproxil Orotate addresses Hepatitis B. 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: 36 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.

5. Transaction precedent and economics

Transaction-scope note: No direct asset-specific transaction was returned. The table below shows target-level comparable: RT records as comparable precedents only.

Date	Transaction	Phase at deal	Disclosed economics
2022-12-20	FDA will conduct an iPSP study on Abivax's obefazimod for the treatment of IBD.	Phase 3	Financial terms not disclosed
2022-07-27	复星医药与国药控股签署战略协议加速推进阿兹夫定片全国渠道网络覆盖	Approved	Financial terms not disclosed
2022-07-25	复星医药与真实生物达成战略合作联合开发及独家商业化阿兹夫定	Approved	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.

6. IP and freedom-to-operate screen

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.

7. Principal risks and diligence gates

Therapeutic index across KRAS/BRAF mutation subgroups
On-target toxicity and adaptive MAPK resistance
Lack of matched efficacy results in the current MCP result set

Cross-functional diligence should also test CMC comparability, supply chain, pharmacovigilance, regulatory correspondence, data integrity, investigator concentration, partner obligations and change-of-control restrictions.

8. Final go/no-go memorandum

GO