NCT03298802

Brief Summary

Postpartum prophylactic HCTZ administration for prevention and relapse of preeclampsia or gestational hypertension.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
612

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Nov 2017

Longer than P75 for phase_3

Geographic Reach
1 country

2 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 20, 2017

Completed
12 days until next milestone

First Posted

Study publicly available on registry

October 2, 2017

Completed
2 months until next milestone

Study Start

First participant enrolled

November 21, 2017

Completed
6.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 30, 2024

Completed
Last Updated

December 5, 2023

Status Verified

December 1, 2023

Enrollment Period

6.8 years

First QC Date

September 20, 2017

Last Update Submit

December 1, 2023

Conditions

Keywords

readmissiontriage visit for pregnancy related hypertensionhydrochlorothiazide

Outcome Measures

Primary Outcomes (2)

  • Rate of readmission and/or triage visits

    Any visit in the hospital

    1-6 weeks postpartum

  • Need for additional antihypertensive therapy

    Requiring additional antihypertensive agents in the postpartum period

    1-6 weeks postpartum

Secondary Outcomes (6)

  • Length of hospital stay

    1-6 weeks postpartum

  • Total Additional doses of anti-hypertensive therapy

    1-6 weeks postpartum

  • Elevation of blood pressure >150/90

    1-6 weeks postpartum

  • Severe composite maternal morbidity

    1-6 weeks postpartum

  • Use of resources

    1-6 weeks postpartum

  • +1 more secondary outcomes

Study Arms (2)

Hydrochlorothiazide 50mg Tablet

ACTIVE COMPARATOR

Hydrochlorothiazide 50 mg per os once daily as soon as the subjects can tolerate sips of water after delivery and for a total of fourteen days postpartum.

Drug: Hydrochlorothiazide 50mg Tablet

Placebo Tablet

PLACEBO COMPARATOR

Placebo per os once daily as soon as the subjects can tolerate sips of water after delivery and for fourteen days postpartum

Drug: Placebo Tablet

Interventions

Hydrochlorothiazide 50 mg per os once daily as soon as the subjects can tolerate sips of water after delivery and for a total of fourteen days postpartum.

Also known as: HydroDIURIL, Microzide, Esidrix, Oretic
Hydrochlorothiazide 50mg Tablet

Placebo per os once daily as soon as the subjects can tolerate sips of water after delivery and for a total of fourteen days postpartum

Also known as: sugar pill
Placebo Tablet

Eligibility Criteria

Age18 Years - 50 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsWomen after delivery of neonate
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Maternal age ≥ 18 years and \<50 years.
  • Diagnosis of gestational hypertension\* or preeclampsia\^ at any time during pregnancy, labor or postpartum.
  • defined as isolated systolic BP of 140 mm Hg or greater, a diastolic BP of 90 mm Hg or greater, or both) or \^ defines as new-onset hypertension plus new-onset proteinuria, or in the absence of proteinuria, preeclampsia is diagnosed as hypertension in association with thrombocytopenia (platelet count less than 100,000/microliter), impaired liver function (elevated blood levels of liver transaminases to twice the normal concentration), the new development of renal insufficiency (elevated serum creatinine greater than 1.1 mg/dL or a doubling of serum creatinine in the absence of other renal disease), pulmonary edema, or new-onset cerebral or visual disturbances.)

You may not qualify if:

  • Subject requiring antihypertensive therapy at time of screening.
  • Planned discharge with oral anti-hypertensive medication.
  • Contraindication to hydrochlorothiazide (advanced renal failure or anuria, hypersensitivity to sulfonamides).
  • Subject not able to follow up postpartum.
  • Lactose intolerance.
  • Pre-gestational diabetes.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

St. David's North Austin Medical Center

Austin, Texas, 78758, United States

RECRUITING

University of Texas Medical Branch

Galveston, Texas, 77555, United States

RECRUITING

MeSH Terms

Conditions

Pre-EclampsiaHypertension, Pregnancy-Induced

Interventions

HydrochlorothiazideTabletsSugars

Condition Hierarchy (Ancestors)

Pregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesHypertensionVascular DiseasesCardiovascular Diseases

Intervention Hierarchy (Ancestors)

ChlorothiazideBenzothiadiazinesSulfonamidesSulfonesSulfur CompoundsOrganic ChemicalsThiazidesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsDosage FormsPharmaceutical PreparationsCarbohydrates

Study Officials

  • Benjamin Bush, M.D.

    UTMB

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Megan C Shepherd, M.D.

CONTACT

Ashley Salazar, RN

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Masking Details
Randomization will be performed by a person not involved in the clinical trial using a computer random list of numbers generated using STATA (StataCorp 14.0, Dallas, TX). This list of random number assignments will be kept secure and sent directly to the investigational drug service (IDS), who will be responsible for the allocation and dispensing of the medications
Purpose
PREVENTION
Intervention Model
PARALLEL
Model Details: double-blind randomized placebo controlled clinical trial
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 20, 2017

First Posted

October 2, 2017

Study Start

November 21, 2017

Primary Completion

August 30, 2024

Study Completion

August 30, 2024

Last Updated

December 5, 2023

Record last verified: 2023-12

Data Sharing

IPD Sharing
Will not share

Locations