REGN-17372 NCT07455851 Clinical Landscape 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 1/2

Clinical phase

Recruiting

Recruitment status

150

Planned enrollment

2033-09-30

Primary-completion proxy

Executive view

NCT07455851 evaluates REGN-17372 in Multiple Myeloma. The disclosed sponsor is Regeneron Pharmaceuticals, Inc., the design is Interventional, and the geographic footprint is Greece, Australia. The first listed primary endpoint is Occurrence of Dose Limiting Toxicities (DLTs) from the first dose of REGN17372 in combination with linvoseltamab, assessed over Up to 35 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 NCT07455851 and selected peers. clinical_trial_result_fetch supplied detailed result records from the wider Multiple Myeloma landscape. Drug & Asset MCP drug_fetch was queried for REGN-17372, while Company & Deal Intelligence MCP organization_fetch was queried for Regeneron Pharmaceuticals, Inc..

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
NCT07455851	REGN-17372	Phase 1/2 / Recruiting	Regeneron Pharmaceuticals, Inc.	Greece, Australia	Occurrence of Dose Limiting Toxicities (DLTs) from the first dose of REGN17372 in combination with linvoseltamab Up to 35 days	2033-09-30
NCT07581704	Sirolimus	Phase 1 / Recruiting	University of Iowa	United States	Phase Ib: Dose limiting toxicities (DLTs) as measured by NCI Common Terminology Criteria for Adverse Events (CTCAE) ver… From treatment initiation through 30 days post last dose of study tre…	2029-06-01
NCT07577206	[68Ga]Ga-R54	Early Phase 1 / Recruiting	National Cancer Institute	Italy	Quantitative analysis of the uptake (pharmacodynamics) of [68Ga]Ga-R54 in the neoplastic lesion by measuring the "maxim… Single time point at PET/CT imaging (Day 1)	2027-01-01
NCT07558915	RO-7851624	Phase 1 / Recruiting	Genentech, Inc.	Australia	Percentage of Participants With Adverse Events (AEs) Up to approximately 2 years	2030-07-01
NCT07541391	KMA.CAR T(HaemaLogiX)	Phase 1 / Recruiting	Peter MacCallum Cancer Institute	Australia	To evaluate the safety of autologous PMCC-COE-KMA in patients with RR MM following lymphodepletion, identifying the max… From enrollment to the first 28 days after the PMCC-COE-KMA infusion	2028-09-01

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

NCT07455851 is a Phase 1/2, recruiting study with 150 planned participants. Allocation is Non-Randomized, masking is None (Open Label), and the intervention model is Sequential Assignment.

The primary endpoint is “Occurrence of Dose Limiting Toxicities (DLTs) from the first dose of REGN17372 in combination with linvoseltamab” over “Up to 35 days.” The retrieved endpoint description is: Phase 1.

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 150 should be assessed against expected effect size, event frequency, multiplicity, subgroup plans and attrition.

The protocol identifies Linvoseltamab-gcpt as control therapy. 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 Multiple Myeloma. These records do not establish direct evidence for NCT07455851 unless the registration number matches.

Open Label, Phase 2, Single-Arm Study of Selinexor, Daratumumab, Carfilzomib and Dexamethasone for High-Risk, Relapsed and Relapsed/Refractory Multiple Myeloma Patients Who Have R…

Phase 2; n=8; ORR = 75.0 percentage of participants (95% Confidence Interval, 34.9 - 96.8) Source: https://clinicaltrials.gov/ct2/show/results/NCT04756401

MATCH Treatment Subprotocol Z1E: Larotrectinib (LOXO-101) in Patients With Tumors With NTRK Fusions

Phase 2; n=16; ORR = 75 percentage of participants (90% Confidence Interval, 47.3 - 92.8) Source: https://clinicaltrials.gov/ct2/show/results/NCT06390852

A Phase III Randomized, Controlled, Multicenter, Open-label Study of ATG-010, Bortezomib, and Dexamethasone (SVd) Versus Bortezomib and Dexamethasone (Vd) in Patients With Relapse…

Phase 3; n=154; PFS(Median) = 6.34 month (95% Confidence Interval, 5.55 - 11.79); PFS(Median) = 8.11 month (95% Confidence Interval, 6.28 - 11.99) Source: https://clinicaltrials.gov/ct2/show/results/NCT04939142

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

REGN-17372 is indexed as Bispecific antibody with CD28 x GPRC5D biology and a global stage of Phase 1/2. The asset profile lists Regeneron Pharmaceuticals, Inc. as an originator or developer.

Regeneron Pharmaceuticals, Inc. is indexed in United States with the website http://www.regeneron.com. Regeneron Pharmaceuticals specializes in the discovery, development, and commercialization of innovative medicines. The record lists 145 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 REGN-17372 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: NCT07455851
Protocol source: https://clinicaltrials.gov/study/NCT07455851
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.

REGN-17372 in Multiple Myeloma is best understood through the interaction of protocol design, surrounding readouts, asset context and sponsor execution. The current record makes Occurrence of Dose Limiting Toxicities (DLTs) from the first dose of REGN17372 in combination with linvoseltamab and 2033-09-30 the leading decision points.

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