- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05976477
Reduction Of Dietary Salt Intake To Control Systolic Blood Pressure In Hypertensive Older Patients (REPRESS)
Reduction Of Dietary Salt Intake To Control Systolic Blood Pressure In Hypertensive Older Patients: The Repress Randomized Controlled Trial
REPRESS is an open label, pragmatic, multicenter, randomized controlled phase III trial with blinded endpoint with 1:1 (intervention to control arm) allocation ratio.
The REPRESS trial is aimed to determine the efficacy of an educational intervention aimed at reducing dietary salt intake in elderly people (60+) with moderate hypertension and exposed to polypharmacy (3+ drugs) in improving systolic BP control compared to an attention arm.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Carlotta Franchi
- Phone Number: +39 02 39014580
- Email: carlotta.franchi@marionegri.it
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Community-dwelling patients aged ≥60 years;
- Prescribed ≥3 drugs;
- A) Systolic blood pressure ≥130 and ≤160 mmHg for patients prescribed stable antihypertensive therapy (at least 1 drug (ATC code: C02*, C03*, C07*, C08*, C09*)); B) Systolic blood pressure ≥140 and ≤160 mmHg for those patients not prescribed any antihypertensive drug;
- Capable of feeding independently;
- Own a smartphone;
- Frequently consuming home-cooked meals (≥4 days during a week and ≥3 during the weekend per month);
- Giving signed informed consent.
Exclusion Criteria:
- Living in a nursing home or having applied for nursing home admission;
- Being prescribed (adding, switching or changing dosage) an antihypertensive drug in the three months before enrollment;
- Undergoing renal replacement therapy with dialysis or having renal impairment with estimated glomerular filtration rate (eGFR) <25 mL/min/1.73 m2 (assessed by CKD-EPI formula) [30] within previous six months or at the screening assessment;
- Following a low-sodium dietary regimen;
- Being unable or refusing to sign informed consent.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Intervention
Patients randomized to intervention arm during the 12 weeks after randomization will receive on their smartphone and/or via e-mail, information materials such as videos, images and recipes for reminders specifically designed to make patients aware on the importance of reducing dietary salt intake and suggestions on how to do it.
The educational interventions will be delivered once a week.
The main objective of the educational interventions is to spread knowledge about the health risks of excessive salt intake, the actual amount of salt in food, measures to reduce salt intake (e.g.
use spices, eat fresh fruits and vegetables, check food labels, gradually reduce the salt in favorite recipes, avoid putting salt and salty sauces on the table, etc.).
The interventions, conceived with nutritionists, will be delivered once a week to the participants and to their caregivers and/or the closest family member, involved in the food shopping and the preparation of meals.
|
|
No Intervention: Control
Patients randomized to Control Group will only receive short tips on controlling blood pressure.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in systolic BP
Time Frame: 6 months
|
The primary outcome will be the change in systolic BP defined as the difference from baseline to 12 weeks follow-up in the two study groups.
|
6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in 24-hour urinary sodium excretion
Time Frame: 6 and 12 months
|
The change in the level of 24-hour urinary sodium excretion as the difference from baseline to 12 weeks follow-up (short follow-up), or 6 and 12 months (long follow-up) in the two study arms
|
6 and 12 months
|
Change in adherence to the mediterranean diet
Time Frame: 6 and 12 months
|
The change in dietary habits of elderly patients during the 12 months follow-up in the two study groups measured by the adherence to Meditteranean Diet evaluated through the PREDIMED score (higher values correspond to better quality diet)
|
6 and 12 months
|
Incidence of cardio- and cerebro-vascular events
Time Frame: 12 months
|
The difference in the incidence of cardio- and cerebro-vascular events during 12-months follow-up between the intervention and the control arm
|
12 months
|
Collaborators and Investigators
Investigators
- Principal Investigator: Carlotta Franchi, Istituto di Ricerche Farmacologiche Mario Negri IRCCS
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- IRFMN-REPRESS-ONFOODS
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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