LNTH-2403 in Solid tumor: NCT07272642 Clinical Landscape Report 2026
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This Clinical Landscape Report was built with PatSnap Life Sciences MCP workflows. Clinical Trials MCP supplies protocol and result records, Drug & Asset MCP adds asset context, and Company & Deal Intelligence MCP resolves sponsor background. Use the same structured MCP building blocks in your research workflow.
Data snapshot: 18 September 2026. This strategic research report is not medical, regulatory or investment advice. Trial status and dates can change.
Phase 1
Clinical phase
Not yet recruiting
Recruitment status
16
Planned enrollment
2027-08-30
Primary-completion proxy
Executive view
NCT07272642 evaluates LNTH-2403 in Solid tumor. The disclosed sponsor is Radiopharm Theranostics Ltd., the design is Interventional, and the geographic footprint is Australia. The first listed primary endpoint is To assess the safety and tolerability of a single dose of LNTH-2403, assessed over 90 days.
The key landscape question is whether this protocol can generate a clinically interpretable signal relative to nearby programs. Phase alone is not a measure of evidence quality. Endpoint relevance, comparator choice, masking, enrollment feasibility, patient selection, country coverage and follow-up must be considered together.
PatSnap MCP Servers make this assessment reproducible by keeping protocol facts, result evidence, asset attributes and sponsor identity in separate structured calls.
How the MCP evidence stack was assembled
Clinical Trials MCP clinical_trial_fetch retrieved the design, outcomes, phase, status, enrollment, sponsor, countries and timing for NCT07272642 and selected peers. clinical_trial_result_fetch supplied detailed result records from the wider Solid tumor landscape. Drug & Asset MCP drug_fetch was queried for LNTH-2403, while Company & Deal Intelligence MCP organization_fetch was queried for Radiopharm Theranostics Ltd..
This separation reduces a common diligence error: treating a registry label, a company description or a result excerpt as if each represented the complete evidence package. Explore the source workflow at the PatSnap MCP marketplace.
Trial landscape table
| Trial | Asset / intervention | Phase / status | Sponsor | Geography | Primary endpoint | Readout proxy |
|---|---|---|---|---|---|---|
| NCT07272642 | LNTH-2403 | Phase 1 / Not yet recruiting | Radiopharm Theranostics Ltd. | Australia | To assess the safety and tolerability of a single dose of LNTH-2403 90 days | 2027-08-30 |
| NCT07423117 | ITC-6146RO | Phase 1 / Not yet recruiting | IntoCell, Inc. | Geography not reported | Phase 1a (Dose Escalation) Incidence of Adverse Events (AEs) Through study completion (Up to 2 years) | 2027-06-30 |
| NCT07419880 | Penpulimab | Phase 2 / Not yet recruiting | Fudan University | China | Objective Response Rate (ORR) From date of randomization until the date of first documented progres… | 2027-01-30 |
| NCT07413601 | Carboplatin | Phase 2 / Not yet recruiting | Cancer Hospital Chinese Academy of Medical Sciences | China | Median Progression-Free Survival (PFS) From date of randomization until the date of first documented progres… | 2029-02-10 |
| NCT07407920 | Trastuzumab | Phase 2 / Recruiting | The University of Texas MD Anderson Cancer Center | United States | Event free survival (EFS) From breast surgery to evidence of clinical locoregional or distant r… | 2026-09-30 |
The table aligns endpoints, sponsors, phases, geographies and readout proxies. It is descriptive, not a head-to-head efficacy comparison. Differences in population, baseline risk, intervention schedule and follow-up can dominate apparent cross-trial differences.
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Protocol design and endpoint interpretation
NCT07272642 is a Phase 1, not yet recruiting study with 16 planned participants. Allocation is N/A, masking is None (Open Label), and the intervention model is Single Group Assignment.
The primary endpoint is “To assess the safety and tolerability of a single dose of LNTH-2403” over “90 days.” The retrieved endpoint description is: Frequency and severity of adverse events (AE)s and serious adverse events (SAEs)using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) v5.0.
Interpretation should test whether the endpoint captures a clinically meaningful change, whether its time horizon matches the proposed biology, and whether treatment discontinuation or missing data can bias the estimate. The planned enrollment of 16 should be assessed against expected effect size, event frequency, multiplicity, subgroup plans and attrition.
No named control drug was returned in the protocol field set. A placebo comparator can strengthen internal efficacy assessment, while an active comparator may better test clinical differentiation. Single-arm and open-label programs require greater weight on objective outcomes, independent assessment and external benchmarks.
Indexed readouts in the surrounding landscape
5 recent result records were selected as contextual evidence for Solid tumor. These records do not establish direct evidence for NCT07272642 unless the registration number matches.
A Phase I/Ib Trial of the CDK4/6 Antagonist Ribociclib And The HDAC Inhibitor Belinostat In Patients With Metastatic Triple Negative Breast Cancer And Recurrent Ovarian Cancer Wit…
Phase 1; n=12; Rate of Dose Limiting Toxicity (DLT) = 1 Participants ; Rate of Dose Limiting Toxicity (DLT) = 2 Participants Source: https://clinicaltrials.gov/ct2/show/results/NCT04315233
Phase I/IIa Clinical Trial Evaluating the Safety and Efficacy of Rintatolimod Combined With IFNα2b (Bioferon®) to Enhance the Effectiveness of Pembrolizumab in Patients With Metas…
Phase 1/2; n=5; Incidence of Dose Limiting Toxicities = 0 Participants ; Incidence of Dose Limiting Toxicities = 1 Participants Source: https://clinicaltrials.gov/ct2/show/results/NCT05756166
A Phase Ib/II Open Label, Multi-arm, Parallel Cohort Dose Finding and Expansion Study to Assess the Safety, Pharmacokinetics and Efficacy of NUC-3373, a Nucleotide Analogue, Given…
Phase 1/2; n=19; Number of Participants With DLTs in Each Module = 0 Participants ; Number of Participants With DLTs in Each Module = 0 Participants Source: https://clinicaltrials.gov/ct2/show/results/NCT05714553
Result fields should be reconciled with the source record before quantitative comparison. Population definitions, analysis sets, dose cohorts, estimands, confidence intervals, rescue therapy and follow-up can materially change the meaning of a numerical endpoint. Clinical Trials MCP supports repeatable refreshes as result records change.
Asset and sponsor context
LNTH-2403 is indexed as Radiolabeled antibody with LRRC15 biology and a global stage of Phase 1/2. The asset profile lists Lantheus Holdings, Inc. as an originator or developer.
Radiopharm Theranostics Ltd. is indexed in Australia with the website https://www.radiopharmtheranostics.com. RadioPharm Theranostics is a platform of radiopharmaceutical and nuclear medicine products for diagnostic and therapeutic uses. The record lists 13 development-stage drug assets.
For execution diligence, monitor sponsor ownership, collaborator additions, site expansion, protocol amendments and enrollment revisions. A change in ownership or geography can alter operational confidence as well as the commercial meaning of a future readout.
Development white space
- Endpoint white space. Determine whether a more patient-relevant outcome, longer durability window or blinded central assessment would resolve uncertainty left by the current endpoint.
- Population white space. Test biomarker-defined, treatment-line or risk-stratified subgroups where effect size and unmet need could be clearer.
- Comparator white space. Identify whether the study can support differentiation against the current standard of care rather than only activity against baseline or placebo.
- Geographic white space. Assess whether the disclosed footprint supports recruitment, regulatory transferability and commercial generalizability.
- Sequencing white space. Clarify whether LNTH-2403 is intended for monotherapy, combination, maintenance, rescue or an earlier treatment line.
White space should be framed as an unanswered development question, not merely an unoccupied mechanism label. A credible program closes a measurable clinical uncertainty with a design that can be executed and interpreted.
Strategic implications and next readouts
For sponsors, the endpoint hierarchy, safety window, enrollment pace and protocol amendment history should all support the same target product profile. Advancement criteria should be set before the readout and tied to clinical effect, uncertainty, tolerability and operational feasibility.
For business-development teams, differentiation may come from a sharper population, stronger comparator, more durable benefit, simpler delivery or clearer sequencing role. For investors, the central risk is evidence quality relative to time and capital, not the phase label in isolation.
Track recruitment status, enrollment changes, primary-completion timing, endpoint revisions, new result records, sponsor ownership and collaborator changes. Re-run the PatSnap MCP workflow when a surrogate becomes a clinical outcome, a single-country study expands, the comparator changes or a new result materially shifts the competitive benchmark.
Source trail and bottom line
Anchor trial: NCT07272642
Protocol source: https://clinicaltrials.gov/study/NCT07272642
MCP sources: Clinical Trials MCP (clinical_trial_fetch and clinical_trial_result_fetch); Drug & Asset MCP (drug_fetch); Company & Deal Intelligence MCP (organization_fetch).
Data snapshot: 18 September 2026.
LNTH-2403 in Solid tumor is best understood through the interaction of protocol design, surrounding readouts, asset context and sponsor execution. The current record makes To assess the safety and tolerability of a single dose of LNTH-2403 and 2027-08-30 the leading decision points.
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