NCT07677059 KT-621 Asthma Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready landscape. This focused report examines NCT07677059—A Long-term Study of KT-621 Administered Orally to Participants With Asthma Previously Enrolled in a KT-621 Asthma Study (BREADTH-EXT)—using PatSnap Clinical Trials MCP for protocol design and endpoint evidence, Drug & Asset MCP for mechanism and development context, and Company & Deal Intelligence MCP for sponsor background. Explore PatSnap MCP Servers to reproduce the workflow inside an AI research process.
MCP evidence snapshot: 20 July 2026; publication date: 20 July 2026. Trial records can change after the snapshot and should be rechecked before operational decisions.
Why NCT07677059 is a hot trial to watch
Asthma is increasingly segmented by mechanism, biomarker, treatment setting, geography and endpoint architecture. NCT07677059 is notable because it evaluates KT-621 in a Phase 2 design while Incidence of treatment-emergent adverse events (TEAEs) serves as the main decision variable. The critical question is whether the protocol can convert its rationale into a clinically interpretable and operationally credible readout.
PatSnap Clinical Trials MCP makes protocol fields machine-readable, while the companion asset and organization servers add development-status, target and sponsor context.
Trial landscape snapshot
| Field | Indexed detail |
|---|---|
| Registration | NCT07677059 |
| Official title | A Long-term Study of KT-621 Administered Orally to Participants With Asthma Previously Enrolled in a KT-621 Asthma Study (BREADTH-EXT) |
| Phase / status | Phase 2 / Recruiting |
| Intervention | KT-621 |
| Sponsor | Kymera Therapeutics, Inc. |
| Collaborators | Not reported |
| Geography | United States |
| Enrollment | 264 |
| Primary endpoint | Incidence of treatment-emergent adverse events (TEAEs) |
| Endpoint time frame | From baseline through Week 52 |
| Primary completion / readout proxy | [object Object] |
Design and endpoint interpretation
The phase label is only the starting point. Allocation is N/A, masking is None (Open Label), and the intervention model is Single Group Assignment. Planned enrollment of 264 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.
- Primary: Incidence of treatment-emergent adverse events (TEAEs) (From baseline through Week 52)
- Primary: Incidence of treatment-emergent serious adverse events (SAEs) (From baseline through Week 52)
- Secondary: Change from baseline in pre-bronchodilator FEV1 (From baseline (as assessed in the parent study) to Week 52)
- Secondary: Change from baseline in post-bronchodilator FEV1 (From baseline (as assessed in the parent study) to Week 52)
- Secondary: Change from baseline in Asthma Control Questionnaire 5-question version (ACQ-5) score (From baseline (as assessed in the parent study) to Week 52)
Benchmark readouts in the surrounding field
- A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study of RDX-002 on Postprandial Triglycerides in Patients Discontinuing the Glucagon-like Peptide-1 (GLP-1) Agonists, Semaglutide, or Tirzepatide for the Treatment of Obesity (Phase 2): Incremental Postprandial Triglycerides (TG)(Mean) = 43.81 percent change (Standard Deviation, 92.373); Incremental Postprandial Triglycerides (TG)(Mean) = -51.91 percent change (Standard Deviation, 72.293)
- A Phase II Study to Evaluate the Delay in Ovulation Following Oral Levonorgestrel Plus Meloxicam Compared to Placebo in Obese But Normal Menstruating Women (Phase 2): Interval From First Dose to Evidence of Ovulation.(Mean) = 2.67 Number of days (Standard Deviation, 1.53); Interval From First Dose to Evidence of Ovulation.(Mean) = 4.0 Number of days (Standard Deviation, 0)
- A Phase 2, Parallel-Group, Double-Blind Study to Investigate Weight Management With LY3841136 Compared With Placebo in Adult Participants With Obesity or Overweight (Phase 2): Percent Change From Baseline in Body Weight at Week 48(Least Squares Mean) = -0.4 percent change (Standard Error, 0.91); Percent Change From Baseline in Body Weight at Week 48(Least Squares Mean) = -9.4 percent change (Standard Error, 1.60)
These indexed results are contextual benchmarks, not direct head-to-head evidence. Population, treatment line, endpoint definitions, follow-up and analysis sets may differ. Their value is to clarify the type and magnitude of evidence already visible in the competitive landscape.
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Asset and sponsor context
Drug & Asset context: KT-621 (Phase 2; STAT6)
Company & Deal Intelligence context: Kymera Therapeutics, Inc. — United States — http://www.kymeratx.com
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 decide 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.
- Sequencing evidence: comparative data after the most 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 probability of success before a headline data release.
Bottom line
NCT07677059 is a focused lens on Asthma development. Its value will be determined by whether KT-621 can convert the current design into evidence that is clinically meaningful, operationally credible and differentiated from indexed benchmark readouts.
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