NCT03909321

Brief Summary

No studies have investigated the chronic effects of team sports on 24 h ambulatory blood pressure and have assessed the effects of a beach tennis intervention in cardiovascular profile and physical fitness. Based on that, the investigators designed this parallel randomized controlled trial to evaluate the effect of beach tennis training on 24 h ambulatory blood pressure and different physical fitness parameters in individuals with hypertension. The difference between the intervention arms in mean change from baseline in 24 h, daytime and nighttime systolic and diastolic ambulatory blood pressure at 12-weeks is the primary outcome; secondary outcomes are the difference between mean change in office blood pressure as well as cardiorespiratory fitness, muscular strength and power. The investigators anticipate that 12 weeks of beach tennis training will reduce blood pressure when compared to a non-exercising control group. Additionally, our recreational beach tennis intervention will improve all physical fitness components in comparison to the baseline values.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
42

participants targeted

Target at below P25 for not_applicable hypertension

Timeline
Completed

Started Feb 2023

Shorter than P25 for not_applicable hypertension

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 8, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

April 10, 2019

Completed
3.8 years until next milestone

Study Start

First participant enrolled

February 6, 2023

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2023

Completed
Last Updated

November 20, 2025

Status Verified

November 1, 2025

Enrollment Period

11 months

First QC Date

April 8, 2019

Last Update Submit

November 17, 2025

Conditions

Keywords

ExerciseBeach TennisSport trainingAmbulatory blood pressure monitoring

Outcome Measures

Primary Outcomes (1)

  • Ambulatory Blood Pressure

    24h ambulatory blood pressure measured through automatic oscillometric device

    Change from baseline 24-hour systolic blood pressure at 12 weeks

Secondary Outcomes (9)

  • Systolic blood pressure

    Will be measured during intervention period throughout the first session of weeks 1, 4, 5, 8, 9 and 12.

  • Diastolic blood pressure

    Will be measured during intervention period throughout the first session of weeks 1, 4, 5, 8, 9 and 12.

  • Cardiorespiratory fitness (Oxygen consumption at peak)

    Change from baseline VO2peak at 12 weeks

  • Muscle strength (Test of hand grip strength)

    Change from baseline handgrip at 12 weeks

  • Muscle strength (Chair-stand test)

    Change from baseline Chair-stand test at 12 weeks

  • +4 more secondary outcomes

Study Arms (2)

Control group

NO INTERVENTION

The Control group will not be submitted to intervention and will be instructed not to engage in any kind of structured physical exercise training and to keep the life activities identified at baseline.

Beach tennis training group

EXPERIMENTAL

The Beach Tennis (BT) group will perform two sessions per week of the Beach Tennis training. This intervention will last 12 weeks.

Behavioral: Beach tennis training group

Interventions

Beach Tennis Training Group (BTG) will perform two sessions of 40-60 min of beach tennis during 12 weeks. BT sessions will be composed by a warm up of 5-10 min of BT technical exercises (i.e., serve, volley, forehand and backhand exercises) followed by 3 BT small games of 10-15 min each.

Beach tennis training group

Eligibility Criteria

Age35 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Office blood pressure between 130-179 and 80-110 mmHg for systolic and diastolic blood pressure, respectively;
  • Non-engaged in structured exercise programs in the last 3 months before the beginning of this study;
  • Able to perform the proposed exercises.

You may not qualify if:

  • Underlying cardiovascular disease in the last 24 months such as acute myocardial infarction, angina, stroke or heart failure;
  • Diseases that reduce life expectancy;
  • Smokers;
  • BMI \>39.9 kg/m²;
  • Diabetic proliferative retinopathy.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital de Clinicas de Porto Alegre

Porto Alegre, Rio Grande do Sul, 90035-903, Brazil

Location

Related Publications (2)

  • Ferrari R, de Oliveira Carpes L, Domingues LB, Jacobsen A, Frank P, Jung N, Santini J, Fuchs SC; BAH Study Group. Effect of recreational beach tennis on ambulatory blood pressure and physical fitness in hypertensive individuals (BAH study): rationale and study protocol. BMC Public Health. 2021 Jan 6;21(1):56. doi: 10.1186/s12889-020-10117-5.

  • Ferrari R, de Oliveira Carpes L, Betti Domingues L, Mallmann Schneider V, Leal R, Tanaka H, Jung N; The BAH Study Group. Recreational beach tennis training reduces ambulatory blood pressure in adults with hypertension: a randomized clinical trial. J Hypertens. 2024 Dec 1;42(12):2122-2130. doi: 10.1097/HJH.0000000000003850. Epub 2024 Aug 26.

MeSH Terms

Conditions

HypertensionMotor Activity

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular DiseasesBehavior

Study Officials

  • Rodrigo Ferrari, PhD

    Hospital de Clinicas de Porto Alegre

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 8, 2019

First Posted

April 10, 2019

Study Start

February 6, 2023

Primary Completion

December 31, 2023

Study Completion

December 31, 2023

Last Updated

November 20, 2025

Record last verified: 2025-11

Locations