Middle Age muScle Krill Study
MASK
The Effect of Krill Oil Supplementation on Muscle Function and Mass in Middle-aged Adults: A Randomised Controlled Trial
1 other identifier
interventional
54
1 country
1
Brief Summary
This study will determine the effect of 6 months of supplementation with krill oil on muscle strength and mass in middle-aged adults. The study hypothesis is that krill oil supplementation will increase muscle strength and mass in middle-aged adults.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Nov 2023
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 16, 2023
CompletedFirst Posted
Study publicly available on registry
August 22, 2023
CompletedStudy Start
First participant enrolled
November 1, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2025
CompletedApril 29, 2026
April 1, 2026
1.9 years
August 16, 2023
April 27, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in knee extensor maximal isometric torque ( MVC)
Knee extensor maximal isometric torque measured during a maximal voluntary contraction
Change from baseline to 24 weeks
Secondary Outcomes (5)
Change in fat mass
Change from baseline to 24 weeks
Change in lean mass
Change from baseline to 24 weeks
Change in omega-3 levels
Change from baseline to 24 weeks
Change in Grip strength
Change from baseline to 24 weeks
Change in Muscle thickness
Change from baseline to 24 weeks
Other Outcomes (3)
Change in systemic inflammation
Change from baseline to 24 weeks
Change in muscle inflammation
Change from baseline to 24 weeks
Change in muscle anabolic signalling
Change from baseline to 24 weeks
Study Arms (2)
Intervention
EXPERIMENTALKrill oil 4g/day for 24 weeks
Placebo
PLACEBO COMPARATORVegetable oil 4g/day for 24 weeks
Interventions
Eligibility Criteria
You may qualify if:
- Be 35-60 years old
- Have a BMI of less than 35kg/m2
You may not qualify if:
- People with diabetes, severe cardiovascular disease, seizure disorders, uncontrolled hypertension (\>150/90mmHg at baseline measurement), cancer or cancer that has been in remission \<5 years, ambulatory impairments which would limit the ability to perform assessments of muscle function, dementia, on anticoagulant therapy, and/or taking medication known to affect muscle (e.g., steroids).
- People who have allergies to seafood, and/or regular consumption of more than 1 portion of oily fish per week.
- People who perform regular (\>1 day/week) resistance exercise training.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Glasgow
Glasgow, United Kingdom
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- Supplements will be identical in look and taste
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
August 16, 2023
First Posted
August 22, 2023
Study Start
November 1, 2023
Primary Completion
October 1, 2025
Study Completion
October 1, 2025
Last Updated
April 29, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will not share