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PEPTIDE (Post-Exercise Protein Trial: Interactions between Diet and Endurance)

Examining the role of post-exercise nutrient composition and timing in modulating the adaptive response to endurance training

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN27312291
Enrollment
70
Registered
2013-12-04
Start date
2013-11-18
Completion date
Unknown
Last updated
2018-11-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nutrition and exercise training adaptations Nutritional, Metabolic, Endocrine

Interventions

The study will involve two phases of testing with the provision of different nutritional supplements following exercise and the determination of endurance training adaptations in response to 6 weeks o

Sponsors

Saudi Arabian Ministry of Higher Education (Saudi Arabia)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Both males and females. 2. Aged between 18-48. 3. Individuals free from cardiovascular, metabolic or joint disease as determined by standard health questionnaire. 4. Nonsmoker.

Exclusion criteria

Exclusion criteria: 1. Known or suspected food intolerances, allergies or hypersensitivity. 2. Any bleeding disorder or taking medication which impacts blood coagulation. 3. Known tendency towards keloid scarring. 4. Known sensitivity or allergy to any local anaesthetic medicines. 5. Any reported use of substances which may pose undue personal risk to participants or introduce bias into the experiment. 6. Any other condition or behaviour deemed either to pose undue personal risk to participants or introduce bias into the experiment.

Design outcomes

Primary

MeasureTime frame
Indications of endurance training adaptations on whole-body (via measurements of maximal oxygen uptake and haematologic parameters) and tissue specific levels (via muscle biopsies) following 6 weeks of endurance exercise training with each nutritional treatment.

Secondary

MeasureTime frame
No secondary outcome measures

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 19, 2026