A Phase II Clinical Trial to Evaluate the Efficacy and Safety of QLS1410 Tablets in Patients With Uncontrolled Hypertension Who Are Receiving One or More Background Drug Treatments

November 4, 2026 updated by: Qilu Pharmaceutical Co., Ltd.

A Randomized, Double-blind, Placebo-controlled, Multicenter Phase II Study to Evaluate the Efficacy and Safety of QLS1410 Tablets in Patients With Uncontrolled Hypertension (Including Resistant Hypertension) Who Are Being Treated With One or More Antihypertensive Medications.

The goal of this clinical trial is to evaluate the efficacy and safety of multiple dose strengths of QLS1410 in patients with uncontrolled hypertension.

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Detailed Description

A randomized, double-blind, placebo-controlled, multicenter study to evaluate the efficacy and safety of QLS1410 tablets in patients with uncontrolled hypertension. Approximately 260 patients will be randomized in a 1:1:1:1 ratio into 1 of the 4 treatment groups. The study will consist of the following 4 periods: A Screening Period of up to 2 weeks, A Run -in Period of 2 weeks, A Double-Blind Treatment Period of 12 weeks and A Follow-Up Period of 1 weeks.

Study Type

Interventional

Enrollment (Estimated)

260

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Male or female participants must be ≥ 18 years old.
  2. Mean seated SBP ≥ 140 mmHg at Screening and at Baseline.
  3. Fulfil the following requirements: have a stable regimen (≥ 4 weeks) of one or more antihypertensive medications at the maximum tolerated dose as determined by the investigator.

Exclusion Criteria:

  1. Mean seated systolic blood pressure (SBP)≥ 180 mmHg.
  2. Mean seated diastolic blood pressure (DBP)≥ 110 mmHg.
  3. Estimated glomerular filtration rate \< 45 mL/min/1.73m2.
  4. Serum potassium (K+) level \<3.5 and ≥ 5.0 mmol/L.
  5. Concomitant treatment with both ACEI and ARB.
  6. Has the following known secondary causes of hypertension: renal artery stenosis, uncontrolled hyperthyroidism, uncontrolled hypothyroidism, pheochromocytoma, Cushing's syndrome, aortic coarctation.
  7. NYHA functional heart failure class IV at Screening.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: placebo

Matching placebo tablet administered orally, once daily (QD).

Experimental: Dose 2 of QLS1410

Patients will take oral tablets of QLS1410 once daily (QD) for 12 weeks.

Experimental: Dose 3 of QLS1410

Patients will take oral tablets of QLS1410 once daily (QD) for 12 weeks.

Experimental: ose 1 of QLS1410

Patients will take oral tablets of QLS1410 once daily (QD) for 12 weeks

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Primary efficacy endpoint
Time Frame: At week 12

Change From Baseline in Mean Seated Systolic BP (SBP)

At week 12

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Safety endpoint
Time Frame: 12 weeks

Number of Participants With Any Adverse Events

12 weeks
Efficacy endpoint
Time Frame: At week 4 and 8

Change From Baseline in Mean Seated Systolic BP (SBP)

At week 4 and 8

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

November 1, 2026

Primary Completion (Estimated)

December 1, 2027

Study Completion (Estimated)

January 1, 2028

Study Registration Dates

First Submitted

November 4, 2026

First Submitted That Met QC Criteria

November 4, 2026

First Posted (Actual)

November 10, 2026

Study Record Updates

Last Update Posted (Actual)

November 10, 2026

Last Update Submitted That Met QC Criteria

November 4, 2026

Last Verified

November 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • QLS1410-206

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.