Effect of Aerobic Exercise with Blood Flow Restriction on Post-exercise Hypotension in Young Adults: the Role of Histamine Receptors

NCT ID: NCT06629337

Last Updated: 2024-10-08

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-01

Study Completion Date

2024-08-31

Brief Summary

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It was hypothesized that aerobic exercise with blood flow restriction (BFR) induced post exercise hypotension (PEH), and the reduction in blood pressure (BP) was due to peripheral vasodilation via the histamine receptors. Ten male participants participated in this study. The participants were randomly assigned to walk for 10 minutes at 6.4 k/m, 0% grade with or without BFR after taking histamine receptor blockade. Following exercise, BP was measured at 10 min interval for 60 minutes. Heart rate (HR), stroke volume (SV), cardiac output (CO), mean arterial pressure (MAP), and total peripheral resistance (TPR) were evaluated.

Detailed Description

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Conditions

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Prehypertension (elevated Blood Pressure) or Hypertension

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Experimental: BFR exercise with histamine blockade

Group Type EXPERIMENTAL

H1 receptor blockade: 540 mg (Allegra), H2 receptor blockade: 40 mg (Pepcid AC)

Intervention Type GENETIC

Subjects ingested fexofenadine (540 mg, tablet) at least 50 minutes before and famotidine (40 mg, tablet) 1 hour 50 minutes before the onset of each protocol because these dose of oral fexofenadine and famotidine reaches its peak concentration at around 1 h and 2 h, respectively

Sham Comparator: BFR exercise without histamine blockade

Group Type SHAM_COMPARATOR

H1 receptor blockade: 540 mg (Allegra), H2 receptor blockade: 40 mg (Pepcid AC)

Intervention Type GENETIC

Subjects ingested fexofenadine (540 mg, tablet) at least 50 minutes before and famotidine (40 mg, tablet) 1 hour 50 minutes before the onset of each protocol because these dose of oral fexofenadine and famotidine reaches its peak concentration at around 1 h and 2 h, respectively

Interventions

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H1 receptor blockade: 540 mg (Allegra), H2 receptor blockade: 40 mg (Pepcid AC)

Subjects ingested fexofenadine (540 mg, tablet) at least 50 minutes before and famotidine (40 mg, tablet) 1 hour 50 minutes before the onset of each protocol because these dose of oral fexofenadine and famotidine reaches its peak concentration at around 1 h and 2 h, respectively

Intervention Type GENETIC

Eligibility Criteria

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Inclusion Criteria

* good health,
* nonsmokers
* those not taking medications that could affect cardiovascular function

Exclusion Criteria

* hypertension
* muscular skeletal disorder
Minimum Eligible Age

18 Years

Maximum Eligible Age

30 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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California Baptist University

OTHER

Sponsor Role lead

Responsible Party

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Jong-Kyung Kim

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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California Baptist University

Riverside, California, United States

Site Status

Countries

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United States

Other Identifiers

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141-2324-EXP

Identifier Type: -

Identifier Source: org_study_id

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