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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT04746118
Other study ID # 41740720.7.1001.5257
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date April 2021
Est. completion date April 2023

Study information

Verified date February 2021
Source Hospital Universitário Clementino Fraga Filho
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to evaluate the effectiveness of diet change and other non-pharmacological treatments which includes physical activity and integrative therapies oriented to reduce the blood pressure in hypertensive patients.


Description:

Despite advances in the pharmaceutical industry, blood pressure control remains the biggest challenge in the treatment of hypertension in Brazil and worldwide. In this context, besides the availability and use of antihypertensive drugs, the best therapeutic approach should start with the stratification of cardiovascular risk, and contextualized modification of life habits. In this view, the present study aims to evaluate the effectiveness of diet change and other non-pharmacological treatments oriented to reduce the blood pressure in adults diagnosed with prehypertension, hypertension, and resistant hypertension. Therefore, it includes the analysis of these 3 groups: i. pre-hypertension (to evaluate strategies adopted as primary prevention); ii. hypertension in general (to assess blood pressure control and reduce cardiovascular risk reduction), and iii. resistant hypertension (individuals using 3 or more drugs without blood pressure control who have more endothelial dysfunction and target organ damage to assess secondary and tertiary prevention with possible blood pressure control, reduction in the number of drugs in use and subclinical lesions regression). Non-pharmacological approach includes adoption of healthy lifestyles, weight loss, reduced sodium intake, regular physical activity, and integrative practices capable of maintaining biopsychosocial balance. Since those interventions seems to be the best way to reach blood pressure control, we intend to use individual interventions and group actions to increase the population's adherence contributing effectively to public policies within primary care.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 240
Est. completion date April 2023
Est. primary completion date January 2023
Accepts healthy volunteers No
Gender All
Age group 20 Years to 65 Years
Eligibility Inclusion Criteria: - Individuals of both sexes aged between 20 and 65 years old; - Resistant hypertensive individuals: hypertensive individuals using 3 antihypertensive drugs or more without control of office blood pressure (BP = 140 x 90 mmHg) or using 4 drugs with pressure control in follow-up at Hypertension Program (ProHArt) - University Hospital (HUCFF) - Federal University of Rio de Janeiro (UFRJ). - Pre-hypertensive individuals: individuals with systolic blood pressure (SBP) between 121-139 mmHg and / or diastolic blood pressure (DBP) between 81-89 mmHg without the use of antihypertensive drugs registered at Family Health Strategy unit. - Hypertensive: individuals with SBP = 140 mmHg and / or DBP = 90 mmHg or using antihypertensive drugs registered at Family Health Strategy unit. - Individuals who accept to participate in the research after signing the Free and Informed Consent Form Exclusion Criteria: - Pregnant; - Major cardiovascular events (acute myocardial infarction, unstable angina, stroke) in the last 6 months; - Individuals with psychiatric illnesses or significant cognitive impairment; - Individuals with clinical conditions that preclude physical activity such as severe peripheral arterial disease, advanced osteoarticular disease, neurological degenerative disease, severe muscle disease; - Individuals who have undergone weight loss procedures (diet or medication) in the last 6 months; - Individuals who have undergone surgical procedures for weight loss; - Individuals who are participating in any other intervention study.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
DIET CHANGE
Nutritional supervision will be carried out individually based on the Food Guide for the Brazilian Population, ensuring an accessible, hygienic and contextualized diet according to the subject's culture and physiology. The protocol includes an initial assessment to define the meal plan and individual reassessments every four weeks. In the first evaluation participants will receive an eating plan with a 20% reduction in the total calories consumed or even the equivalent of their daily energy needs with a distribution of macronutrients comprised of 65% carbohydrate, 15% protein and 20% fat. The intention is to promote a reduction in weekly consumption by about 2000 kilocalories (Kcal). The prescription and diet control plan will include and be conducted by a team coordinated by a clinical nutritionist.
PHYSICAL ACTIVITY
The physical activity program will consist of daily walking sessions performed outdoors and on a flat surface suitable for hiking. Each session will last 70 minutes and will be performed between 55% -60% of the maximum oxygen consumption (VO2), six times a week, for 24 weeks, with alternate on-site supervision on odd days and remote monitoring on even days. On-site supervision will be carried out by a team coordinated by a Physical Education teacher and implemented at two times in the morning and another two in the afternoon with meeting points previously defined. At the end of each supervised walking session, 20 minutes of exercise will be performed using the equipment available at the Senior Citizens Academy set up in public squares in the region so that the total expenditure of calories spent weekly with physical activities reach about 2000 kilocalories.
Other:
INTEGRATIVE PRACTICES
The health integrative practices will includes Mind-Fullness, auriculotherapy and laying on of hands. A suitably qualified professional, using it use a practical manual so that the practice became uniform among the subjects, will apply the practice of Mind-Fullness in weekly 1-hour sessions to individuals. The practice of auriculotherapy will be applied to individuals by a professional qualified to perform the technique, which consists in the selection of auricular points according to the health problems presented and the therapeutic objectives that are to be achieved, followed by the insertion of the mustard seed at specific points in the ear over a six-month period. The laying on of hands will be carried out by properly trained individuals.

Locations

Country Name City State
Brazil Hospital Universitário Clementino Fraga Filho Rio de Janeiro

Sponsors (2)

Lead Sponsor Collaborator
Hospital Universitário Clementino Fraga Filho Conselho Nacional de Desenvolvimento Científico e Tecnológico

Country where clinical trial is conducted

Brazil, 

References & Publications (4)

Lopes S, Mesquita-Bastos J, Alves AJ, Ribeiro F. Exercise as a tool for hypertension and resistant hypertension management: current insights. Integr Blood Press Control. 2018 Sep 20;11:65-71. doi: 10.2147/IBPC.S136028. eCollection 2018. Review. — View Citation

Pascoe MC, Thompson DR, Jenkins ZM, Ski CF. Mindfulness mediates the physiological markers of stress: Systematic review and meta-analysis. J Psychiatr Res. 2017 Dec;95:156-178. doi: 10.1016/j.jpsychires.2017.08.004. Epub 2017 Aug 23. Review. — View Citation

Schwingshackl L, Chaimani A, Hoffmann G, Schwedhelm C, Boeing H. Impact of different dietary approaches on blood pressure in hypertensive and prehypertensive patients: protocol for a systematic review and network meta-analysis. BMJ Open. 2017 Apr 26;7(4):e014736. doi: 10.1136/bmjopen-2016-014736. — View Citation

Williams B, Mancia G, Spiering W, Agabiti Rosei E, Azizi M, Burnier M, Clement DL, Coca A, de Simone G, Dominiczak A, Kahan T, Mahfoud F, Redon J, Ruilope L, Zanchetti A, Kerins M, Kjeldsen SE, Kreutz R, Laurent S, Lip GYH, McManus R, Narkiewicz K, Ruschitzka F, Schmieder RE, Shlyakhto E, Tsioufis C, Aboyans V, Desormais I; ESC Scientific Document Group . 2018 ESC/ESH Guidelines for the management of arterial hypertension. Eur Heart J. 2018 Sep 1;39(33):3021-3104. doi: 10.1093/eurheartj/ehy339. Erratum in: Eur Heart J. 2019 Feb 1;40(5):475. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other Glycidic profile Indicators: laboratory tests - glycated hemoglobin after 6 months of non-pharmacological intervention Goals: Glycated hemoglobin reduction <6,0% 21 months
Other Lipidic profile Indicators: laboratory tests - lipogram after 6 months of non-pharmacological intervention Goals: Total cholesterol < 200 mg/d 21 months
Other Triglycerides Indicators: laboratory tests - serum triglycerides after 6 months of non-pharmacological intervention Goals: triglycerides < 150 mg/dL 21 months
Other Left ventricular hypertrophy Indicators: ECG voltage indices (left ventricular hypertrophy) reduction after 6 months of non-pharmacological intervention.
Goals: Reduction of Sokolow-Lyon index (SV1 + RV5)
21 months
Other Renal function Indicators: glomerular filtration rate (GFR) after 6 months of non-pharmacological intervention Goals: Increase GFR > 60 ml/min/m2 body surface area (BSA) 21 months
Other Albuminuria Indicators: albuminuria in urinary spot Goals: Reduction of Albuminuria < 30mg/g creatinine 21 months
Other Aortic stiffness Indicators: pulse wave velocity (PWV) measurement (aortic stiffness) Goals: reduction of aortic stiffness measured by PWV < 10 m/s 21 months
Other Endothelial dysfunction Indicators: Laser Doppler flowmetry (microvascular reactivity reflects endothelial dysfunction) Goals: increase microvascular reactivity with a percentage > 10% 21 months
Other Improved quality of life Indicators: scores obtained in the World Health Organization Quality of Life questionnaire (WHOQOL-Bref) Goals: Improvement of the 4 domains investigated in the WHOQOL-Bref: physical health, psychological, social relationships and environment.
Results in % varies from 0 to 100. The higher the percentage (closer to 100%) the better the quality of life.
21 months
Other Obstructive Sleep Apnea (OSA) risk Indicators: scores obtained in the Stop-Bang (Snoring, Tiredness, Observed apnea, high blood Pressure, Body mass index, Age, Neck circumference, and Gender) questionnaires indicate high risk for OSA:- STOP-BANG score > 3 Goals: Reduce the STOP-BANG score to <3 21 months
Other Excessive daytime sleepiness Indicators: scores obtained in the Epworth Sleepiness Scale (ESS) indicate excessive sleepiness and possible high risk for OSA: (ESS > 10.) Goals: Reduce the ESS score to <10. 21 months
Primary Blood pressure Indicators: Office blood pressure and Home Blood Pressure Monitoring (HBPM) after 6 months of non-pharmacological intervention Goals: Nutritional strategy: reduction of 1 mmHg by reducing each kg of body weight and reducing salt intake reaching <1.5 g / day with a reduction of 2 to 3 mmHg.
Physical activity: reduction of 6 to 8 mmHg in office systolic blood pressure and 4 to 6 mmHg in HBPM with good adherence to moderate aerobic exercise Integrative practices: 4 mmHg reduction in systolic blood pressure
21 months
Secondary Body weight Indicators: Body weight reduction after 6 months of non-pharmacological intervention Goals: reduction of body weight by 0.9 kg to 1.1 kg each month It is believed that the nutritional intervention and physical activity group has a higher monthly weight loss, reaching up to 2 kg / month. 21 months
Secondary Body composition Indicators: the reduction in fat mass is expected in all intervention groups with an increase in lean muscle mass, especially in groups 2 and 3, which include physical activity. The goal is to achieve a lean mass of over 30% in women and 33% in men. 21 months
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