JPRN-UMIN000061687 Osimertinib mesylate EGFR-mutated non-small Cell Lung Cancer Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines JPRN-UMIN000061687 using PatSnap Clinical Trials MCP for protocol design and endpoint evidence, with Drug & Asset MCP and Company & Deal Intelligence MCP used as the companion asset and sponsor enrichment workflow. Explore PatSnap MCP Servers to reproduce the research sequence inside an AI workflow.
MCP evidence snapshot: 22 July 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why JPRN-UMIN000061687 is a hot trial to watch
EGFR-mutated non-small Cell Lung Cancer is being segmented by mechanism, treatment setting, geography and endpoint architecture. JPRN-UMIN000061687 is notable because it evaluates Osimertinib mesylate in a Phase 3 design sponsored by Public Health Research Foundation. The main development question is whether the protocol can translate its rationale into a clinically interpretable and operationally credible readout.
Trial landscape snapshot
| Field | Indexed detail |
|---|---|
| Registration | JPRN-UMIN000061687 |
| Official title | Optimization of Adjuvant Osimertinib for EGFR Mutant Stage II-III Non Squamous Non Small Cell Lung Cancer (A randomized phase III study) |
| Phase / status | Phase 3 / 一般募集中/Open public recruiting |
| Intervention | Osimertinib mesylate |
| Sponsor | Public Health Research Foundation |
| Geography | Japan |
| Enrollment | [object Object] |
| Primary endpoint | 無病生存割合 |
| Endpoint time frame | Not reported |
| Primary completion / readout proxy | [object Object] |
Protocol design and endpoint interpretation
The indexed record describes a Phase 3 study of Osimertinib mesylate in EGFR-mutated non-small Cell Lung Cancer.
Allocation is ランダム化/Randomized, masking is オープン/Open -no one is blinded, and the intervention model is 並行群間比較/Parallel. Planned enrollment of [object Object] participants across Japan shapes statistical precision, execution risk and external validity. Interpretation should account for baseline risk, prior therapy, assessment schedule, missing-data handling and clinical relevance—not only statistical significance.
- 無病生存割合 (time frame not reported)
- disease-free survival (DFS) (time frame not reported)
Readout outlook and evidence gap
The current protocol points to [object Object] as the best available readout proxy. Because this is an active or newly posted study, a trial-specific result citation is not included until a normalized clinical-trial-result record becomes available. That gap is itself operationally important: teams should monitor first result indexing, conference abstracts, protocol amendments and changes to the primary-completion date.
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Asset and sponsor context
Drug & Asset MCP profile: Osimertinib mesylate is indexed as Small molecule drug, with target EGFR L858R x EGFR T790M x EGFR-Ex19del, mechanism EGFR T790M inhibitors, EGFR exon 19 deletion inhibitors, EGFR exon 21 L858R mutation inhibitors, and global highest development status Approved.
Company & Deal Intelligence MCP profile: Public Health Research Foundation did not return an exact normalized organization match in this snapshot. The organization workflow adds identity, location, portfolio and partnering context where available.
The sponsor profile matters because scientific rationale alone does not determine development value. Manufacturing readiness, portfolio fit, geographic reach, partnering capacity and the ability to fund confirmatory development can determine whether a positive signal becomes a competitive asset.
White space around this program
- Sharper patient selection: prospective biomarker or phenotype definitions that identify who is most likely to benefit.
- Clinically interpretable endpoints: outcomes connecting activity with function, symptoms, survival or treatment burden.
- Comparator relevance: evidence against the most decision-relevant contemporary standard of care.
- Broader external validity: evidence across additional geographies, demographic groups and real-world settings.
- Operational differentiation: a development path that closes the readout gap without sacrificing safety or durability.
What to monitor next
Monitor recruitment, enrollment changes, protocol amendments, endpoint hierarchy, primary-completion timing, first result indexing, asset ownership and sponsor partnerships. A change in endpoint, population or ownership can alter the probability of success before a headline data release.
Bottom line
JPRN-UMIN000061687 provides a focused lens on EGFR-mutated non-small Cell Lung Cancer development. Its value will be determined by whether Osimertinib mesylate can convert the current Phase 3 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
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