Clinical trial Recruiting at 1 site Phase2; Phase3 Interventional Ages 18 and up

Targeting blood pressure rhythms in obese individuals

Official title: Natriuretic Peptide-Renin-Angiotensin-Aldosterone System Rhythm Axis and Nocturnal Blood Pressure

Run by University of Alabama at Birmingham · NCT04971720 · Data updated 2026-11-12

This study is testing if giving blood pressure medications at certain times can help people with obesity and high blood pressure feel better and manage their condition more effectively.

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment160 (estimated)
SponsorUniversity of Alabama at Birmingham
Academic / other
Locations1 site (Birmingham, Alabama)
StatusRecruiting
StartedFebruary 18, 2022
Main results expectedJanuary 1, 2027
Study endsJanuary 1, 2027
Registry record updatedApril 9, 2026
Trial IDNCT04971720 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are obese adults aged 18 and older with specific blood pressure measurements and a body mass index between 30 to 45 kg/m².

Probably not a fit

Patients with a history of cardiovascular diseases or those taking multiple antihypertensive medications may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the relationship between natriuretic peptides and blood pressure rhythms in obese individuals, who often experience nocturnal hypertension. It aims to synchronize antihypertensive therapy with the body's natural biological rhythms to improve blood pressure control. The study will utilize medications that enhance natriuretic peptide levels and inhibit the renin-angiotensin-aldosterone system, administered at specific times to optimize their effects. By focusing on the timing of medication, the researchers hope to address the unique challenges faced by obese patients with hypertension.

Why it matters

Potential benefit: If successful, this approach could significantly improve blood pressure control and reduce cardiovascular risks in obese patients.

How similar studies have gone: While the approach of synchronizing medication with biological rhythms is innovative, similar studies have shown promise in managing hypertension, suggesting potential for success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age more than or equal to 18 years of age
* Body Mass Index between 30 to 45 kg/m\^2
* Blood pressure: Systolic BP more than or equal to 130mmHg and less than or equal to 160mmHg and diastolic blood pressure more than or equal to 80mmHg and less than or equal to 100mmHg. Individuals with hypertension as per the 2017 ACC/AHA Guidelines will be eligible for enrollment

Exclusion Criteria:

* Age less than 18, at screening.
* Systolic BP \<130 or \>160mmHg at baseline, or diastolic BP \<80 or \>100 mmHg at baseline
* BMI \<30 kg/m\^2 or \>45 kg/m\^2
* History of pulmonary hypertension
* Have any past or present illness of cardiovascular disease including myocardial infarction, angina, cardiac arrhythmia, diabetes, stroke, TIA, or seizure.
* Participants who are taking 3 or more classes of hypertension medications on the maximum dose or with resistant hypertension
* History of angioedema
* Estimated glomerular filtration rate (GFR) \< 60 ml/min/1.73 m2 (CKD-EPI equation); urine albumin creatinine ratio ≥30 mg/g
* Hepatic Transaminase (AST and ALT) levels \>3x the upper limit of normal;
* Significant psychiatric illness
* Anemia (men, Hct \< 38%; women, Hct \<36%)
* Participants working night shifts or swing shifts
* Women who are pregnant or breastfeeding or who can become pregnant and not practicing an acceptable method of birth control during the study (including abstinence)

Where it's running

  • University of Alabama at Birmingham
    Birmingham, Alabama, United States
    Recruiting

Study contacts

  • Principal investigator: Pankaj Arora, MD, FAHA — University of Alabama at Birmingham
  • Study coordinator: Nehal Vekariya, MS
  • Email: nvekariya@uabmc.edu
  • Phone: 205-934-7173

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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  • Using low-dose aspirin after preeclampsia to improve recovery

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  • Genotype-guided approach to improve cardiometabolic health using natriuretic peptides

    This study is testing if a special approach using natriuretic peptides can help improve heart and metabolic health in adults with a certain genetic variant that leads to lower levels of these peptides.

    Recruiting University of Alabama at Birmingham · Birmingham, Alabama · NCT05216042

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.