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Multi-ingredient Nutrition Supplement in Older Adults

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University College Dublin

Status

Unknown

Conditions

Physical Disability

Treatments

Dietary Supplement: Supplement
Dietary Supplement: Placebo

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT02001831
SMF-3000

Details and patient eligibility

About

The aims of the present study are:

i. To conduct a population study of body composition, muscle function and ability to undertake activities of daily living in elderly Irish individuals

ii. To investigate the effect of a six month period of nutrition supplement support on lean tissue mass, and muscle and cognitive function in individuals aged 70 to 80 years.

Full description

The study is a population study and 6 month randomised control trial (RCT) of men and women aged 70 to 80. The supplement and placebo will be provided in the form of a small 200 mL sealed TetraPak carton and is presented in a highly-palatable, juice-based (pomegranate and apple) formulation. The study groups (n=25 per group) for the RCT are:

Control - a control group receiving a placebo nutrient support (200 mL juice; energy ~ 100 kcal per day)

Supplement - a nutrient group receiving a liquid nutrient support (quantity 200 mL per day; energy 200 kcal per day):

Carbohydrate 28.5 g Protein 8 g as Whey Protein Isolate (i) ω-3 PUFA (ii) 3000 mg, as DHA 1500mg, as EPA 1500mg Vitamin D3 (iii) 10 μg Resveratrol (iv) 150 mg

(i) Whey protein isolate - increasing protein intake in elderly individuals is widely proposed as key preventing the decline in muscle mass with aging, (ii) ω-3/EPA/DHA fatty acids - increasing ω-3 consumption is associated with improvements in inflammatory status, blood lipid profile and cognitive function in various populations (iii) A relative deficiency in vitamin D is widely reported in Western populations, whereas recent reports have suggested vitamin D3 supplementation as efficacious for muscle function, (iv) Resveratrol, a polyphenol derived from grape skin that shows promise as a supplement to improve muscle function, metabolic health, prevent wasting and promote longevity.

Participants will undertake a first preliminary screening, which will take part at the Human Performance Laboratory at the University College Dublin (UCD) Institute for Sport and Health, or, alternatively, in a home-based environment, according to participants preferences, in order to assess inclusion/exclusion criteria.

After having examined the participant information leaflet, participants will provide informed consent in writing, complete the medical history examination, a food intake diary and food frequency questionnaire as well as habitual physical activity level questionnaire (CHAMPS).

Next, they will have their stature, body composition, and functional capacity assessed as described below. If fulfilling the eligibility criteria, subjects will undertake 3 assessment sessions (at baseline, 12 wk & 24 wk) at the Human Performance Laboratory at the UCD Institute for Sport and Health, consisting of body composition, functional capacity, and cognitive performance assessment.

In detail:

i. Body composition (fat, muscle and bone mass by Dual Energy X-Ray Absorptiometry (DXA) (Expected time ~ 15 min)

ii. Provide a blood sample taken via venepuncture to a superficial antecubital vein to be later analysed to assess lipidemic profile, plasma glucose, insulin, and inflammatory markers (Expected time ~ 5 min)

iii. Measurement of muscle strength and lower extremity muscle function in simulated activities of daily living by hand grip, usual walking speed, chair rise test, sit and reach test, and balance test [Short Performance Battery Test (Guralnik et al. 1994)]. (Expected time ~ 40 min)

iv. Assessment of cognitive function by the following battery modeled upon that used in Witte et al. (2013) (Expected time ~ 45 min):

  • Timed Up and Go test
  • Trail Making Test (TMT) part A and B
  • Auditory Verbal Learning Test
  • Stroop Colour-Word Test
  • Verbal Fluency
  • Forward and Backward Digit Spans
  • Cognitive Failures Questionnaire

Enrollment

50 estimated patients

Sex

All

Ages

70+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • ≥ 70 years of age
  • Medically stable, according to Greig et al. (1994)
  • BMI between 20 and 30 kg/m2
  • Sedentary lifestyle, defined by ≤125 min/week of activity on the CHAMPS-18 questionnaire;

Exclusion criteria

  • Not medically stable by Greig criteria, and the medical history details in the ethics form
  • Conducting an active lifestyle
  • Skeletal muscle index (SMI) of ≥ 6.75 kg/m2 for women or ≥ 10.75 kg/m2 for men according to Janssen et al. (2003)
  • Cognitive impairment expressed as mini mental state examination (MMSE) score ≤ 23.
  • Current or recent (8 wk) use of fish-oil supplement intake
  • Current or recent (8 wk) use of proteins, vitamins or other supplements interfering the metabolic scope

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

50 participants in 2 patient groups, including a placebo group

Supplement
Experimental group
Description:
Liquid nutrient support (quantity 200 mL per day; energy 200 kcal per day): Carbohydrate 28.5 g Protein 8 g as Whey Protein Isolate ω-3 PUFA 3000 mg, as DHA 1500mg, as EPA 1500mg Vitamin D3 10 μg Resveratrol 150 mg
Treatment:
Dietary Supplement: Supplement
Control
Placebo Comparator group
Description:
Placebo control Liquid nutrient support Quantity 200 mL per day - fruit juice only i,e. in absence of bioactives present in the "supplement" (whey protein, omega 3, vitamin D and resveratrol).
Treatment:
Dietary Supplement: Placebo

Trial contacts and locations

1

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Central trial contact

Brendan Egan, PhD

Data sourced from clinicaltrials.gov

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