Study Results
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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ENROLLING_BY_INVITATION
NA
48 participants
INTERVENTIONAL
2024-01-14
2025-07-30
Brief Summary
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Objectives: The present study aims to analyze the effects of acute and chronic caffeine intake on neuromuscular adaptations to strength training, according to sex (men vs. women) and type of exercise (bench press vs. squat), as well as fatigue perception, mood state, and potential side effects in older adults.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
OTHER
DOUBLE
Study Groups
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Caffeine - Males
Caffeine + Resistance exercise
Acute caffeine intake (3 mg/kg) prior each resistance training session of a 8 weeks training program.
Placebo - Males
Placebo + Resistance exercise
Acute placeb intake (3 mg/kg of maltodextrin) prior each resistance training session of a 8 weeks training program.
Caffeine - Females
Caffeine + Resistance exercise
Acute caffeine intake (3 mg/kg) prior each resistance training session of a 8 weeks training program.
Placebo - Females
Placebo + Resistance exercise
Acute placeb intake (3 mg/kg of maltodextrin) prior each resistance training session of a 8 weeks training program.
Interventions
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Caffeine + Resistance exercise
Acute caffeine intake (3 mg/kg) prior each resistance training session of a 8 weeks training program.
Placebo + Resistance exercise
Acute placeb intake (3 mg/kg of maltodextrin) prior each resistance training session of a 8 weeks training program.
Eligibility Criteria
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Inclusion Criteria
* Body mass index (BMI) ≥ 30 kg/m².
* Physically active subjects (\>150 min/week of moderate exercise).
* Healthy men and women without neurological, cardiometabolic, immunological, or physical conditions that prevent them from performing physical exercise.
* Participants capable of performing the tests.
Exclusion Criteria
* Use of drugs or other stimulants that interfere with caffeine intake and intestinal absorption during the tests and study.
* Having undergone prolonged periods of forced physical inactivity during the 6 months prior to the study.
* Performing strenuous exercise within 48 hours prior to the tests.
* Failing to replicate the same food intake on the two experimental days.
* Consuming caffeine after 6 PM on the day prior to training or testing.
55 Years
ALL
Yes
Sponsors
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University of Alcala
OTHER
Alberto Pérez-López
OTHER
Responsible Party
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Alberto Pérez-López
Principal Investigator
Locations
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Facultad de Medicina y Ciencias de la Salud. Universidad de Alcalá
Alcalá de Henares, , Spain
Countries
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Other Identifiers
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CEIP/2022/3/055
Identifier Type: -
Identifier Source: org_study_id
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