Investigating the Feasibility of Krill Oil Intervention to Improve Muscle Function in Adults With Long-term Conditions

NCT ID: NCT07130513

Last Updated: 2025-10-02

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

RECRUITING

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-08-18

Study Completion Date

2026-07-30

Brief Summary

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This study will recruit 30 adults (men and women, aged 18 years and over) who will be randomly assigned to one of two groups in a 12-week double-blind pilot trial. Participants will receive either:

* Arm 1: Krill Oil group: 4 g/day of krill oil supplements (Superba™ Antarctic Krill Oil, 1000 mg capsules), or
* Arm 2: Control group: 4 g/day of placebo (vegetable oil capsules).

Participants will be instructed to maintain their usual diet and physical activity patterns throughout the study.

Eligibility will be assessed using a health screening questionnaire, completed with the researcher's assistance, before obtaining informed consent. Habitual physical activity will be evaluated using the International Physical Activity Questionnaire (short form), and dietary intake will be assessed with the EPIC Food Frequency Questionnaire (FFQ) at both the beginning and end of the study. In addition, participants will record their fish consumption weekly using a dedicated logbook.

Measurements will be taken at baseline and after 12 weeks, including:

* Blood samples to assess inflammatory and metabolic markers.
* Anthropometry and body composition, including weight, height, fat mass, fat percentage, and muscle mass (via ultrasound).
* Muscle strength, measured using handgrip strength and maximal voluntary contraction (each performed three times with rest between attempts).
* Physical performance, assessed with a 4-meter walk test at normal speed Upon completing the study, participants will receive a £50 voucher in appreciation of their contribution.

Detailed Description

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Conditions

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Krill Oil Muscle Function Grip Strength Long-Term Conditions Omega 3 Fatty Acids

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Arm 1: Krill Oil group

4 g/day of krill oil (Superba™ Antarctic Krill Oil, 1000 mg capsules) for 12 weeks.

Group Type EXPERIMENTAL

Krill oil supplementation

Intervention Type DIETARY_SUPPLEMENT

Krill oil supplementation program providing 4 g/day of krill oil (Superba™ Antarctic Krill Oil, 1000 mg capsules) for 12 weeks.

Arm 2: Control group

4 g/day of placebo (vegetable oil capsules) for 12 weeks.

Group Type PLACEBO_COMPARATOR

Control

Intervention Type DIETARY_SUPPLEMENT

Vegetable oil supplementation (4 g/day)

Interventions

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Krill oil supplementation

Krill oil supplementation program providing 4 g/day of krill oil (Superba™ Antarctic Krill Oil, 1000 mg capsules) for 12 weeks.

Intervention Type DIETARY_SUPPLEMENT

Control

Vegetable oil supplementation (4 g/day)

Intervention Type DIETARY_SUPPLEMENT

Other Intervention Names

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Omega 3 supplementation

Eligibility Criteria

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Inclusion Criteria

* Men and women aged ≥18 years who are in the high-risk long-term condition group (having one or more LTCs, including rheumatoid arthritis, gout, type 2 diabetes, coronary heart disease, and stroke \[including transient ischemic attack, TIA\]).

Exclusion Criteria

* Participants are diagnosed with and being treated for any type of cancer.
* Presence of neurocognitive disorders or any health condition affecting memory (e.g., Alzheimer's disease, dementia).
* Aortic stenosis, history of haemorrhagic stroke, or presence of aneurysms.
* Current anticoagulant therapy.
* Use of any muscle mass supplements or presence of physiological conditions such as pregnancy or breastfeeding.
* History of allergy to fish or fish oil.
* Regular consumption of more than one portion of oily fish per week, or use of fish oil or krill oil supplements.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Glasgow

OTHER

Sponsor Role lead

Responsible Party

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Stuart Gray

Professor Stuart Gray

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Lab 242, Sir James Black Building, University of Glasgow

Glasgow, Lanarkshire, United Kingdom

Site Status RECRUITING

University of Glasgow

Glasgow, Lanarkshire, United Kingdom

Site Status NOT_YET_RECRUITING

Countries

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United Kingdom

Central Contacts

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Professor Stuart Gray

Role: CONTACT

+441413302569

Facility Contacts

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Marion Guerrero

Role: primary

07922634654

Lynsey Johnston

Role: backup

01413306287

Stuart Gray

Role: primary

01413302569

Other Identifiers

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KOMM

Identifier Type: -

Identifier Source: org_study_id

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