REmote Physical ACtivity Intervention for High Blood Pressure Postpartum

Not Applicable

Not yet recruiting

• Conditions: Hypertension (HTN); Hypertension ,Pregnancy; Physical Activity

• Registration Number: NCT07127731
• Lead Sponsor: Northwestern University

Brief Summary

The purpose of this intervention is to help new mothers who had elevated blood pressure during pregnancy become more physically active after birth. The investigators will connect data from FitBits to the electronic health record. Women will then get weekly messages with feedback and goals to help them stay active. The investigators will test if the intervention improves step counts and blood pressure after pregnancy. The investigators will also test if the intervention is feasible and enjoyed by postpartum women.

Detailed Description

Not available

Study Timeline

• Study First Submitted: 2025-07-31
• Status Verified: 2025-08
• Study First Submitted QC: 2025-08-13
• Last Update Submitted: 2025-08-13
• Study First Posted: 2025-08-17
• Last Update Posted: 2025-08-17
• Study Start: 2027-04-01
• Primary Completion: 2028-04
• Study Completion: 2028-04-01

Recruitment & Eligibility

• Status: NOT_YET_RECRUITING
• Sex: Female
• Target Recruitment: 60

Inclusion Criteria

• Delivery of a live birth at Northwestern Medicine 6-12 weeks prior
• Systolic blood pressure 120-139 or diastolic blood pressure 80-89 during the first 20 weeks of gestation
• Low self-reported physical activity levels
• Able to access the internet at least weekly
• Have patient portal account or willing to set one up
• Willing to wear a FitBit
• Spoken and written English or Spanish language fluency

Exclusion Criteria

• Medical contraindications to participating in a structured physical activity program
• Currently participating in a structured physical activity or weight loss program
• Hypertensive disorder of pregnancy (e.g., preeclampsia, gestational hypertension, eclampsia)

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Primary Outcome Measures

Name	Time	Method
Feasibility of Recruitment	From enrollment to the end of the 24 week intervention	Number of participants enrolled in the intervention
Feasibility of Participant Retention	At study weeks 12 and 24	Percent of enrolled participants who continue to participate in the intervention
Acceptability of the Intervention	Study week 24	Participants will fill out a survey to assess the extent to which they were satisfied with individual intervention components including FitBit usage, portal messaging, blood pressure and weight assessments, surveys, intervention length and intervention delivery. Each component will be rated on a 5-point Likert Scale in which 1 represents very dissatisfied (lowest score) and 5 represents very satisfied (highest score).
Feasibility of FitBit+EHR linkage	From enrollment to the end of the 24 week intervention	Percent of intervention days FitBit data are linked to the Electronic Health Record
Feasibility of Intervention Messaging	From enrollment to the end of the 24 week intervention	Percent of weekly messages that are read by participants