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CHIPS (Control of Hypertension in Pregnancy Study): a pilot trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN57277508
Enrollment
132
Registered
2003-11-28
Start date
2003-03-01
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mild-Moderate hypertension particularly of the short-term period of pregnancy. Pregnancy and Childbirth Hypertension

Interventions

Women will be randomised to either a 'less tight' group aiming for a dialstolic Blood Pressure (dBP) of 100 mmHg of maternal hypertension or a 'tight' group aiming for a diastolic BP of 85 mmHg of mat

Sponsors

University of Toronto Maternal, Infant and Reproductive Health Research Unit (Canada)
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Women 18 - 50 years old with mild to moderate non-proteinuric pre-existing or gestational hypertension that presents at 20-33+6 weeks gestation.

Exclusion criteria

Exclusion criteria: 1. dBP consistently less than 85 mmHg by home BP monitoring 2. Severe systolic hypertension 3. Proteinuria 4. Contraindication to either arm of the trial or to prolongation of pregnancy 5. Known lethal/major fetal anomaly

Design outcomes

Primary

MeasureTime frame
1. Mean dBP at 28, 32 and 36 weeks gestation 2. One/more serious perinatal complications or birth weight less than third centile

Secondary

MeasureTime frame
1. Clinician compliance with treatment protocols 2. Women?s satisfaction with care 3. One/more serious maternal complications Other outcomes: 1. Very severe hypertension 2. Pre-eclampsia

Countries

Canada

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026