NCT07661420 211At-MABG Carcinoid Tumor Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines NCT07661420 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: 4 August 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why NCT07661420 is a hot trial to watch
Carcinoid Tumor is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07661420 is notable because it evaluates 211At-MABG in a Phase 1 design sponsored by University of Pennsylvania. 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 | NCT07661420 |
| Official title | 211At-MABG in Adults With Advanced Neuroendocrine Cancers |
| Phase / status | Phase 1 / Not yet recruiting |
| Intervention | 211At-MABG |
| Sponsor | University of Pennsylvania |
| Geography | United States |
| Enrollment | [object Object] |
| Primary endpoint | Evaluate overall study feasibility |
| Endpoint time frame | 4 weeks |
| Primary completion / readout proxy | [object Object] |
Protocol design and endpoint interpretation
Phase I dose escalation study of 211At-MABG in adults with advanced pheochromocytoma / paraganglioma (PPGL) or other NET-overexpressing cancers (as evidenced by positive MIBG imaging) who are refractory to, lacking, or ineligible for approved treatments. Phase 1 dose-escalation will follow a standard 3+3 design with an expansion cohort at the recommended phase two dose (RP2D).
Allocation is Non-Randomized, masking is None (Open Label), and the intervention model is Single Group Assignment. Planned enrollment of [object Object] participants across United States 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.
- Evaluate overall study feasibility (4 weeks) — Proportion of intended 211At-MABG fractionated doses that are successfully administered within the protocol-defined window (at the overall study level).
- Evaluate study feasibility overall study feasibility assessed for operational issues versus treatment-related adverse events. (4 weeks) — Proportion of fractionated dose administrations either delayed and/or omitted due to operational issues (i.e. insufficient/delayed synthesis) versus treatment-related adverse events (at the overall study level).
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: 211At-MABG is indexed as No normalized modality returned, with target No normalized target returned, mechanism No normalized mechanism returned, and global highest development status No normalized global status returned.
Company & Deal Intelligence MCP profile: University of Pennsylvania is resolved to a normalized organization record in PHILADELPHIA COUNTY, United States. 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
NCT07661420 provides a focused lens on Carcinoid Tumor development. Its value will be determined by whether 211At-MABG can convert the current Phase 1 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
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