Delandistrogene moxeparvovec NCT05096221 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: 28 September 2026. This strategic research report is not medical, regulatory or investment advice. Trial status and dates can change.

Phase 3

Clinical phase

Completed

Recruitment status

126

Planned enrollment

2023-10-04

Primary-completion proxy

Executive view

NCT05096221 evaluates Delandistrogene moxeparvovec in Muscular Dystrophy, Duchenne. The disclosed sponsor is Sarepta Therapeutics, Inc., the design is Interventional, and the geographic footprint is Hong Kong, Belgium, United States, Japan, Taiwan Province, United Kingdom, Italy, Germany, Spain. The first listed primary endpoint is Part 1: Change From Baseline in North Star Ambulatory Assessment (NSAA) Total Score at Week 52, assessed over Baseline, Week 52 (Part 1).

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 NCT05096221 and selected peers. clinical_trial_result_fetch supplied detailed result records from the wider Muscular Dystrophy, Duchenne landscape. Drug & Asset MCP drug_fetch was queried for Delandistrogene moxeparvovec, while Company & Deal Intelligence MCP organization_fetch was queried for Sarepta Therapeutics, 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
NCT05096221	Delandistrogene moxeparvovec	Phase 3 / Completed	Sarepta Therapeutics, Inc.	Hong Kong, Belgium, United States, Japan, Taiwan Province, United Kingdom, Italy, Germany, Spain	Part 1: Change From Baseline in North Star Ambulatory Assessment (NSAA) Total Score at Week 52 Baseline, Week 52 (Part 1)	2023-10-04
NCT05670730	Delpacibart zotadirsen	Phase 1/2 / Completed	Avidity Biosciences, Inc.	United States	Incidence of treatment-emergent adverse events (TEAEs) Through study completion, up to Day 85 (Part A) or Day 169 (Part B)	2024-11-25
NCT05540860	Sevasemten	Phase 2 / Active, not recruiting	Edgewise Therapeutics, Inc.	United States	Number of adverse events during treatment with sevasemten or placebo 48 months	2027-01-01
NCT05524883	Zeleciment Rostudirsen	Phase 1/2 / Active, not recruiting	Dyne Therapeutics, Inc.	Canada, South Korea, Belgium, United States, Ireland, United Kingdom, Italy, Australia, Spain	Number of Participants With Treatment-Emergent Adverse Events (TEAEs) Through study completion, up to Week 337	2031-09-01
NCT05514249	CRD-TMH-001	Phase 1 / Active, not recruiting	Cure Rare Disease, Inc.	United States	To assess the safety of CRD-TMH-001 1 year	2023-09-01

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

NCT05096221 is a Phase 3, completed study with 126 planned participants. Allocation is Randomized, masking is Quadruple, and the intervention model is Parallel Assignment.

The primary endpoint is “Part 1: Change From Baseline in North Star Ambulatory Assessment (NSAA) Total Score at Week 52” over “Baseline, Week 52 (Part 1).” The retrieved endpoint description is: The NSAA is a healthcare provider administered scale that rates performance of various motor abilities in ambulant children with Duchenne Muscular Dystrophy and is used to monitor disease progression and treatment effects. During assessment, participants are asked to perform 17 different functional activities that are graded as: 2 - "Normal" - no obvious modification of activity; 1 - Modified method but achieves goal independent of assistance; 0 - Unable to achieve independently. The NSAA total score is defined as the sum of all 17 items, ranging from 0 (worst) to 34 (best). The response vector consists of the c….

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

The protocol identifies Delandistrogene moxeparvovec 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 Muscular Dystrophy, Duchenne. These records do not establish direct evidence for NCT05096221 unless the registration number matches.

Vamorolone for Duchenne Muscular Dystrophy

Phase 2; n=133; TTSTAND velocity(12-month): Difference (LS Mean) = 0.004(95.0% CI, -0.025 to 0.032); Difference (LS Mean) = 0.001(95.0% CI, -0.027 to 0.028); TTSTAND velocity(12-month): Difference (LS Mean) = 0.004(95.0% CI, -0.025 to 0.032); Difference (LS Mean) = 0.001(95.0% CI, -0.027 to 0.028) Source: https://pubmed.ncbi.nlm.nih.gov/42202243/

Lowering pre-existing immunity to adeno-associated virus-based gene therapy: Pre treatment with imlifidase or plasmapheresis prior to administration of delandistrogene moxeparvove…

Phase 1; n=8; Micro-dystrophin Expression(Week 12) = 21.5 % ( 0.96 - 42.03); Micro-dystrophin Expression(Week 12) = 1.72 % ( 1.46 - 2.11) Source: https://download.asgct.org/2026ASGCTAbstractPublication.pdf

Family experience data with delandistrogene moxeparvovec gene therapy treatment for Duchenne muscular dystrophy.

Not Applicable; n=31; Improvement in at least one of the most impactful symptoms = 96.0 % Source: https://download.asgct.org/2026ASGCTAbstractPublication.pdf

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

Delandistrogene moxeparvovec is indexed as AAV based gene therapy with micro-dystrophin biology and a global stage of Approved. The asset profile lists Nationwide Children's Hospital as an originator or developer.

Sarepta Therapeutics, Inc. is indexed in United States with the website https://www.sarepta.com. Sarepta Therapeutics focuses on the discovery and development of precision genetic medicine to treat rare diseases. The record lists 27 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 Delandistrogene moxeparvovec 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: NCT05096221
Protocol source: https://clinicaltrials.gov/study/NCT05096221
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: 28 September 2026.

Delandistrogene moxeparvovec in Muscular Dystrophy, Duchenne is best understood through the interaction of protocol design, surrounding readouts, asset context and sponsor execution. The current record makes Part 1: Change From Baseline in North Star Ambulatory Assessment (NSAA) Total Score at Week 52 and 2023-10-04 the leading decision points.

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