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Muscle MassNCT03870425

Distribution of Nutrient Derived Amino Acids

A study testing Distribution pattern of dietary proteins (minced meat) in people with Muscle Mass and Protein Intake, run by Bispebjerg Hospital at 1 site in Denmark.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The project examines over several days how the distribution pattern of dietary protein stimulate and affect the protein turnover of important proteins in the aging perspective, such as skeletal muscle proteins. Read more about this study

Who is it for?
Ages 65 to 80 yearsHealthy volunteers can take part
Conditions the study is for
Muscle Mass, Protein Intake, Diet Modification
What is being tested?
Distribution pattern of dietary proteins (minced meat)
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
24 participants
Where
1 siteDenmark
Study dates
9 Apr 2019to 28 Feb 2022
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 65 to 80 years
  • All sexes
  • Healthy volunteers accepted
  • Older adult

Who may be able to join

  • Men and women
  • Between 65-80 years of age

Who cannot join

  • BMI above 30
  • Smokers
  • Vegetarians
  • Diabetes or other metabolic diseases
  • Medical treatment which affects protein turnover
  • Gastro-intestinal diseases, reduced kidney or liver function, or chronic inflammation diseases
  • Elevated blood-pressure or signs of atherosclerosis
  • More than 5 hours of regular exercise each week

Trial locations and contacts

1 site in 1 country.

Denmark1 site
  • Institute of Sports Medicine Copenhagen

    Copenhagen, DK-2400

Other trials in Denmark

About this study

Official title: Distribution of Nutrient Derived Amino Acids and Anabolic Effect in Healthy Elderly Individuals

The project examines over several days how the distribution pattern of dietary protein stimulate and affect the protein turnover of important proteins in the aging perspective, such as skeletal muscle proteins.

Being tested
Distribution pattern of dietary proteins (minced meat)
Keywords
Dietary protein, Sarcopenia, Protein turnover, Muscle protein
Medical subject headings
Sarcopenia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Distribution pattern of dietary proteins (minced meat)Other

    Study effect of an even or skewed distribution pattern of dietary protein

Study groups in NCT03870425
Study groupRoleWhat they receive
MINCED-SKEWEDPlacebo comparatorMinced meat administered with a skewed protein distribution pattern
Receives: Other: Distribution pattern of dietary proteins (minced meat)
MINCED-EVENExperimentalMinced meat administered with an even protein distribution pattern
Receives: Other: Distribution pattern of dietary proteins (minced meat)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Muscle protein synthesis

    Myofibrillar FSR measured by deuterated water technique, by which deuterium labeled alanine incorporation into myofibrillar muscle protein synthesis can be measured.

    Measured: 3 days

  2. Net protein balance

    Whole body net protein balance measured during 10 hours acute study. Measured by the application of stable amino acid labeled phenylalanine and tyrosine tracers, by which the protein synthesis, phenylalanine oxidation and protein breakdown can be calculated.

    Measured: 10 hours

Secondary outcomes (8)
  1. D5-phenylalanine incorporation

    D5-phenylalanine incorporation into myofibrillar proteins. Dietary meat proteins are intrinsically labeled with D5-phenylalanine

    Measured: 3 days

  2. Muscle protein synthesis

    Myofibrillar protein synthesis (%/hour) measured during 10 hours of the acute study. Calculated from the difference in D8-phenylalanine incorporation from the muscle biopsies taken at 2 hours and 12 hours into the stable amino acid tracer infusion.

    Measured: 10 hours

  3. Protein synthesis

    Whole body protein synthesis (%/hour) measured during acute study, by the use of stabel amino acid tracer technique.

    Measured: 10 hours

  4. Protein breakdown

    Whole body protein breakdown (%/hour) measured during acute study, by the use of stabel amino acid tracer technique.

    Measured: 10 hours

  5. Phenylalanine oxidation

    Phenylalanine oxidation measured during acute study

    Measured: 10 hours

  6. D5-phenylalanine appearance

    Plasma D5-phenylalanine enrichment after intake of D5-phenylalanine intrinsically labelled meat proteins

    Measured: 12 hours

  7. Signaling pathways in skeletal muscle

    Intracellular signaling pathways related to protein turnover. Measured by Western blotting technique from the muscle tissue biopsies taken at 2 hours and 12 hours into the acute study.

    Measured: 10 hours

  8. Plasma insulin

    Plasma insulin concentration during acute study

    Measured: 12 hours

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Mar 2019
  2. Study start9 Apr 2019
  3. Primary completion30 Jun 2020
  4. Study completion28 Feb 2022

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
Randomized controlled
Masking
Triple blind
Who is masked
Care provider, Investigator, Outcomes assessor
Enrolment
24 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03870425
Sponsor's protocol ID
BBH 140
Status last verified
Nov 2022
First submitted
18 Jan 2019
Last updated
21 Nov 2022
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Agergaard J, Justesen TEH, Jespersen SE, Tagmose Thomsen T, Holm L, van Hall G. Even or skewed dietary protein distribution is reflected in the whole-body protein net-balance in healthy older adults: A randomized controlled trial. Clin Nutr. 2023 Jun;42(6):899-908. doi: 10.1016/j.clnu.2023.04.004. Epub 2023 Apr 8.

    PubMed 37086618

Questions about this trial

What is this clinical trial studying?

A study testing Distribution pattern of dietary proteins (minced meat) in people with Muscle Mass and Protein Intake, run by Bispebjerg Hospital at 1 site in Denmark.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 21 Nov 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Denmark. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Muscle protein synthesis (time frame: 3 days). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03870425, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 21 Nov 2022.

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