NCT07737743 DDY-391 Sjogren's Syndrome Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines NCT07737743 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: 5 August 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why NCT07737743 is a hot trial to watch
Sjogren's Syndrome is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07737743 is notable because it evaluates DDY-391 in a Phase 2 design sponsored by Novartis Pharmaceuticals Canada, Inc.. 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 | NCT07737743 |
| Official title | A Phase 2a/b Study to Assess the Efficacy, Safety and Tolerability of DDY391 in Participants With Sjögren's Disease |
| Phase / status | Phase 2 / Not yet recruiting |
| Intervention | DDY-391 |
| Sponsor | Novartis Pharmaceuticals Canada, Inc. |
| Geography | Not reported in the indexed record |
| Enrollment | [object Object] |
| Primary endpoint | Part A and B: Change from baseline in ESSDAI score |
| Endpoint time frame | Baseline, Week 24 |
| Primary completion / readout proxy | [object Object] |
Protocol design and endpoint interpretation
To evaluate efficacy, safety, and tolerability of DDY391 up to 52 weeks in participants with Sjögren's disease (SjD) and to determine the dose response relationship of DDY391 in participants with SjD, to support dose selection for Phase 3.
Allocation is Randomized, masking is Triple, and the intervention model is Sequential Assignment. Planned enrollment of [object Object] participants across Not reported in the indexed record 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.
- Part A and B: Change from baseline in ESSDAI score (Baseline, Week 24) — EULAR Sjögren's Syndrome Disease Activity Index (ESSDAI) is a validated tool for assessing disease activity in SjD. Score range is 0-123. Higher scores on the ESSDAI scale are associated with poorer health states. A negative change from baseline indicates improvement in disease status.
- Part C: Change from baseline in ESSPRI (Baseline, Week 24) — EULAR Sjögren's Syndrome Patient Reported Index (ESSPRI) is a validated disease outcome measure for SjD. It consists of three domains of dryness, pain, and fatigue. The participant will assess severity of symptoms they experienced over the last 14 days on a single 0-10 numerical rating scale for each of the three domains. The ESSPRI score is defined as the mean of scores from the three scales: (dryness + pain + fatig
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: DDY-391 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: Novartis Pharmaceuticals Canada, Inc. is resolved to a normalized organization record in Canada. 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
NCT07737743 provides a focused lens on Sjogren's Syndrome development. Its value will be determined by whether DDY-391 can convert the current Phase 2 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
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