Clinical trial Recruiting at 1 site Phase 3 Interventional Ages 18 and up Women only

Comparing Nifedipine and Labetalol for postpartum high blood pressure

Official title: Safest Choice of Antihypertensive Regimen for Postpartum Hypertension: A Randomized Control Trial (SCARPH)

Run by Loma Linda University · NCT05551104 · Data updated 2026-11-12

This study is testing whether the medication Nifedipine or Labetalol works better to lower high blood pressure in women after giving birth.

More High Blood Pressure trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexWomen only
Enrollment500 (estimated)
SponsorLoma Linda University
Academic / other
Locations1 site (Loma Linda, California)
StatusRecruiting
StartedMay 8, 2023
Main results expectedDecember 2027
Study endsDecember 2027
Registry record updatedFebruary 4, 2026
Trial IDNCT05551104 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are women who develop postpartum hypertension requiring treatment after delivery.

Probably not a fit

Patients with contraindications to either Nifedipine or Labetalol or those with certain cardiovascular conditions 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 randomized control trial aims to determine whether oral Nifedipine or oral Labetalol is more effective in managing high blood pressure in women after childbirth. High blood pressure is a common complication during and after pregnancy, and effective management is crucial to prevent serious health issues. Participants will receive either Nifedipine or Labetalol, with no experimental drugs involved. The study will assess the efficacy of these medications in controlling postpartum hypertension.

Why it matters

Potential benefit: If successful, this study could lead to improved management strategies for postpartum hypertension, enhancing maternal health outcomes.

How similar studies have gone: While both medications are considered safe, few studies have directly compared their effectiveness, making this approach relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Female
* Women who develop postpartum hypertension\* after delivery of the placenta or chronic hypertensive postpartum women who require medication for blood pressure control.

  * Postpartum hypertension requiring treatment are defined as systolic blood pressure greater than or equal to 140mmHg or diastolic blood pressure greater than or equal to 90mmHg on at least 2 occasions at least 4 hours apart, or systolic blood pressure greater than or equal to 160mmHg or diastolic blood pressure greater than 110mmHg sustained for more than 15 minutes.

Exclusion Criteria:

* History of moderate persistent asthma, coronary artery disease, heart failure, AV heart block, pulmonary edema
* Contraindication to either Nifedipine or Labetalol
* HR \<60 or \>110
* Native language other than English or Spanish

Where it's running

  • Loma Linda University Health
    Loma Linda, California, United States
    Recruiting

Study contacts

Similar studies

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

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.