NCT07660796 Amlodipine/chlorthalidone/losartan Essential Hypertension Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook

Turn a newly registered trial into a decision-ready landscape. This focused report examines NCT07660796—A Study to Evaluate Efficacy and Safety of HCP1803-4 in Patients With Essential Hypertension—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 NCT07660796 is a hot trial to watch

Essential Hypertension is increasingly segmented by mechanism, biomarker, treatment setting, geography and endpoint architecture. NCT07660796 is notable because it evaluates Amlodipine/chlorthalidone/losartan in a Phase 3 design while Change from baseline in sitting systolic blood pressure 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

Design and endpoint interpretation

The phase label is only the starting point. Allocation is Randomized, masking is Double, and the intervention model is Parallel Assignment. Planned enrollment of 256 participants across South Korea 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: Change from baseline in sitting systolic blood pressure (Baseline, 10 weeks)
• Secondary: Change from baseline in sitting systolic blood pressure (Baseline, 2 weeks, 6 weeks)
• Secondary: Change from baseline in sitting diastolic blood pressure (Baseline, 2 weeks, 6 weeks, 10 weeks)
• Secondary: Proportion of subjects achieving blood pressure control (sitSBP) (2 weeks, 6 weeks, 10 weeks)
• Secondary: Proportion of subjects achieving blood pressure control (sitSBP, sitDBP) (2 weeks, 6 weeks, 10 weeks)

Benchmark readouts in the surrounding field

• A Randomized, Crossover, Double Blind, Placebo Controlled, Phase 2 Study to Evaluate the Efficacy and Safety of Lorundrostat in Addition to Sodium-Glucose Cotransporter-2 Inhibitors, in Adults With Hypertension and Chronic Kidney Disease With Albuminuria (Phase 2): Placebo-adjusted Change From Baseline in Automated Office Blood Pressure (AOBP) Systolic Blood Pressure (SBP) at Week 4(Least Squares Mean) = -1.755 mmHg (90% Confidence Interval, -4.966 to 1.455); Placebo-adjusted Change From Baseline in Automated Office Blood Pressure (AOBP) Systolic Blood Pressure (SBP) at Week 4(Least Squares Mean) = -9.253 mmHg (90% Confidence Interval, -12.453 to -6.053)
• 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)

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: Amlodipine/chlorthalidone/losartan (Approved; AT1R x VDCCs)

Company & Deal Intelligence context: Hanmi Pharmaceutical Co., Ltd. — South Korea — http://www.hanmipharm.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

NCT07660796 is a focused lens on Essential Hypertension development. Its value will be determined by whether Amlodipine/chlorthalidone/losartan can convert the current design into evidence that is clinically meaningful, operationally credible and differentiated from indexed benchmark readouts.

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