Title

A Study of CIN-107 in Adults With Treatment-Resistant Hypertension (rHTN)
A Randomized, Double-Blind, Placebo-Controlled, Multicenter, Parallel-Group, Dose-Ranging Study to Evaluate the Efficacy and Safety of Multiple Dose Strengths of CIN-107 as Compared to Placebo After 12 Weeks of Treatment in Patients With Treatment-Resistant Hypertension (rHTN)
  • Phase

    Phase 2
  • Study Type

    Interventional
  • Intervention/Treatment

    CIN-107 ...
  • Study Participants

    275
This is a randomized, double-blind, placebo-controlled, dose-ranging Phase 2 study to evaluate the efficacy and safety of CIN-107 as compared to placebo after 12 weeks of treatment in patients with treatment-resistant hypertension (rHTN).
Study Started
Oct 12
2020
Primary Completion
Jun 14
2022
Study Completion
Jun 14
2022
Results Posted
Jun 28
2023
Last Update
Jul 24
2023

Drug CIN-107

CIN-107 tablets by mouth once daily

  • Other names: baxdrostat

Drug Placebo

placebo tablets by mouth once daily

Placebo Placebo Comparator

Subjects received placebo tablets, administered orally once daily for 12 weeks. Subjects continued taking stable anti-hypertensive regimen throughout the study.

CIN-107 0.5mg Experimental

Subjects received CIN-107 0.5 mg tablets, administered orally once daily for 12 weeks. Subjects continued taking stable anti-hypertensive regimen throughout the study.

CIN-107 1mg Experimental

Subjects received CIN-107 1 mg tablets, administered orally once daily for 12 weeks. Subjects continued taking stable anti-hypertensive regimen throughout the study.

CIN-107 2mg Experimental

Subjects received CIN-107 2 mg tablets, administered orally once daily for 12 weeks. Subjects continued taking stable anti-hypertensive regimen throughout the study.

Criteria

Inclusion Criteria:

Is on a stable regimen of ≥ 3 antihypertensive agents (one of which is a diuretic) for at least 4 weeks prior to randomization;
Be at least 70% compliant to their anti-hypertensive medication regimen;
Has a seated BP ≥ 130/80 mmHg;
Agrees to comply with the contraception and reproduction restrictions of the study; and
Able to understand and willing to comply with all study visits, procedures, restrictions, and provide written informed consent according to institutional and regulatory guidelines.

Exclusion Criteria:

Has a seated SBP ≥ 180 mmHg or DBP ≥ 110 mmHg;
Has a body mass index (BMI) > 40 kg/m2;
Has an upper arm circumference < 7 or > 17 inches;
Has been on night shifts at any time during the 4 weeks before Screening;
Is using a beta blocker for any primary indication other than systemic hypertension (eg, migraine headache);
Is not willing or not able to discontinue an MRA or a potassium sparing diuretic as part of an existing antihypertensive regimen;
Is not willing or not able to discontinue taking a potassium supplement;
Has documented estimated glomerular filtration rate (eGFR) < 45 mL/min/1.73m2
Has known and documented New York Heart Association stage III or IV chronic heart failure
Has had a stroke, transient ischemic attack, hypertensive encephalopathy, acute coronary syndrome, or hospitalization for heart failure within 6 months before Screening;
Has known current severe left ventricular outflow obstruction, such as obstructive hypertrophic cardiomyopathy and/or severe aortic valvular disease diagnosed from a prior echocardiogram;
Major cardiac surgery (eg, CABG, valve replacement), peripheral arterial bypass surgery, or PCI within 6 months before Screening;
Has chronic permanent atrial fibrillation;
Has uncontrolled diabetes with glycosylated hemoglobin > 9.5% at Screening;
Has planned dialysis or kidney transplant during the course of this study;
Potassium < 3.5 mEq/L;
Potassium > 5.0 mEq/L;
Is positive for HIV antibody, hepatitis C virus RNA, or hepatitis B surface antigen;
Has typical consumption of ≥14 alcoholic drinks weekly.

Summary

Safety Population 0.5mg

Safety Population 1mg

Safety Population 2mg

Safety Population Placebo

All Events

Event Type Organ System Event Term Safety Population 0.5mg Safety Population 1mg Safety Population 2mg Safety Population Placebo

Change From Baseline in Mean Seated Systolic BP (SBP)

mITT Population 1mg

-17.3
mmHg (Mean)
Standard Deviation: 18.10

mITT Population 2mg

-19.2
mmHg (Mean)
Standard Deviation: 15.84

mITT Population Placebo

-9.8
mmHg (Mean)
Standard Deviation: 13.71

mITT Population 0.5mg

-12.4
mmHg (Mean)
Standard Deviation: 15.63

Change From Baseline in Mean Seated Diastolic BP (DBP)

mITT Population 0.5mg

-9.1
mmHg (Mean)
Standard Deviation: 9.04

mITT Population 1mg

-11.7
mmHg (Mean)
Standard Deviation: 9.88

mITT Population 2mg

-14.0
mmHg (Mean)
Standard Deviation: 12.42

mITT Population Placebo

-9.3
mmHg (Mean)
Standard Deviation: 9.6

The Percentage of Patients Achieving a Seated BP Response <130/80 mmHg

mITT Population 0.5mg

mITT Population 1mg

mITT Population 2mg

mITT Population Placebo

Total

275
Participants

Age, Continuous

62.3
Years (Mean)
Standard Deviation: 10.48

Seated SBP

147.9
mmHg (Mean)
Standard Deviation: 12.40

Age, Categorical

Race (NIH/OMB)

Region of Enrollment

Sex: Female, Male

Overall Study

CIN-107 Dose 1 (0.5mg)

CIN-107 Dose 2 (1mg)

CIN-107 Dose 3 (2mg)

Placebo