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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05187013
Other study ID # NCR203140
Secondary ID 1R21MD016201-01
Status Recruiting
Phase N/A
First received
Last updated
Start date September 12, 2022
Est. completion date June 30, 2024

Study information

Verified date September 2023
Source George Washington University
Contact Ramin Asgary, MD, MPH
Phone 202-994-6803
Email raminasgary1@gwu.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is designed to assess the effect of implementing a mobile health (mHealth) strategy using text messaging for hypertension (HTN) management among hypertensive homeless persons with uncontrolled blood pressure age 21 or older in shelter-clinics in New York City (NYC). The study uses a randomized clinical trial design (homeless, n=120) and semi-structured interviews (homeless, n=30; providers, n=20). The control group will receive text messages for usual standard care/healthy lifestyle during a 6-month follow-up period. The intervention group will receive text messages geared towards both standard care/healthy lifestyle and blood pressure control. At the end of study period, the investigators will assess changes in blood pressure (BP) measurements, adherence to clinic visits, and adherence to medication, and the investigators will compare them between the two groups. Qualitative interviews with both patients and providers who provide services to the homeless in shelter settings will develop a better understand barriers and opportunities regarding BP control. The investigators hypothesize that those individuals randomized to the intervention will experience a reduction in blood pressure (8mmHg systolic BP or diastolic BP) and will exhibit better adherence to blood pressure medications and appointments compared to the control group.


Description:

Project Renewal operates several urban shelters in five boroughs of NYC. Enrollment, data collection, and retention will be supported at these sites. Patient participants will be recruited in clinics via medical record reviews and will be randomly assigned to treatment groups using a computer-assisted permuted randomization schedule with a block size of four, stratified by clinic site, severe mental illness, and active substance use disorder. Provider participants are physicians, nurse practitioners, social workers, and counselors working at Project Renewal. The intervention will include 6 months of mHealth HTN management support via short message service (SMS) texts including reminders for medication adherence, appointment attendance, and HTN-specific health education and support. Texts will be delivered to support medication adherence and lifestyle changes, and participants will receive appointment reminders before each appointments. The control group will receive 6 months of mHealth including basic healthcare and general health promotion via SMS texts on the same schedule as the intervention group. Both groups will undergo BP measurements and adherence assessments at appointments in the shelter-clinics. All texts will be interactive and reciprocal; during the study, feedback to SMS texts, including automated and reciprocal feedback for patient-specific input, will be directly provided to patients to enhance education and behavioral changes. Primary outcome measures will be recorded at 0, 2, 4, and 6 months, and secondary outcome measures will be collected throughout the study. Qualitative interviews with persons experiencing homelessness with HTN (n=30, 15 each arm) and providers (n=20) will be conducted at the end of the recruitment period. Trained research assistants (RA) will collect data and perform the semi-structured interviews. During clinic visits, BP will be measured by trained clinic nurses in a seated upright position on the right arm with a properly sized cuff. Two readings will be taken at 2-minute intervals following 5 minutes of rest and will be averaged and recorded. Proportion of days covered (PDC) and pill counts will be conducted at each visit. Additional information, including appointment attendance, will be collected from the medical record.


Recruitment information / eligibility

Status Recruiting
Enrollment 120
Est. completion date June 30, 2024
Est. primary completion date June 30, 2024
Accepts healthy volunteers No
Gender All
Age group 21 Years and older
Eligibility Inclusion Criteria: - Currently experiencing homelessness - Current diagnosis of hypertension - SBP above 140mmHg or DBP above 90mmHg at most recent clinic visit - English or Spanish speaking - Currently presenting to Project Renewal shelter-clinics for medical care - Connected to multidisciplinary social and health services at Project Renewal Exclusion Criteria: - Pregnant or within 3 months post-partum - Heart attack or stroke within previous 6 months - History of aortic aneurysm - Diagnosis of end-stage renal disease or currently on dialysis - Inability to read or respond to SMS texts - Any condition preventing participants from providing informed consent - SBP >175mmHg or DBP >105mmHg unless medical provider determines patient has no symptoms suggesting a hypertensive emergency or urgency

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
mHealth for Hypertension in Homeless Persons
SMS text messages sent to participants' mobile phones

Locations

Country Name City State
United States George Washington University Washington District of Columbia

Sponsors (3)

Lead Sponsor Collaborator
George Washington University National Institute on Minority Health and Health Disparities (NIMHD), New York University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Blood pressure Systolic and diastolic blood pressure readings (SBP and DBP) 6 months
Primary Medication adherence Voils 3 Item DOSE-Nonadherence measure 6 months
Primary Appointment attendance Percentage of appointments attended 6 months
Secondary Attitude, acceptance and experience of the intervention Interview answers concerning participants experiences. 6 months
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