An Investigation of the Efficacy of Oral Nutritional Supplements in Participants at Risk of Malnutrition

2014-07-23 21:09:56 | BioPortfolio


This study aims to investigate the efficacy of high energy, low volume oral nutritional supplements (ONS) compared to equivalent standard ONS (control) to maximize nutrient intake, compliance, gastro intestinal tolerance and function, in participants at risk of malnutrition.


In current clinical practice malnourished (undernourished) patients may receive oral nutritional supplements (ONS) to aid in the management of their malnutrition (undernutrition). Poor compliance to ONS was been reported in the scientific literature, however recent studies of a low volume, high energy ONS have shown high compliance. This study aims to further explore compliance to low volume ONS compared to standard ONS. This study is a 2 week cross over study with a 4 week optional extension. Participants at risk of malnutrition will receive a low volume, high energy ONS for 1 week and a standard ONS for 1 week in a random order to compare nutrient intake and compliance. This short term element of the study was designed based on a similar study by Hubbard et al 2009, where significant differences in compliance and energy intake were observed. Participants may then take part in an optional 4 week extension period where they will receive their preferred ONS for 4 weeks. Longer term outcomes such as change in weight, muscle function and tolerance to the ONS will be measured in this part of the study. Changes in weight and muscle function are typically seen in 4 weeks.

Overview of the study:

1. Participants will be assessed for inclusion and exclusion criteria by the investigating dietitian or research nurse, and then provided with information about the study. Eligible participants will be asked for their written informed consent. Participant characteristics and medical history will be collected.

2. Participants will be randomly allocated to receive either:

A. A standard ONS (1.5kcal/ml) as control, ad libitum in addition to diet for 7 days. Participants will then receive the high energy, low volume equivalent ONS (2.4kcal/ml) ad libitum in addition to diet for 7 days (n=70), or:

B. A high energy, low volume ONS (2.4kcal/ml) ad libitum in addition to diet for 7 days. Participants will then receive the equivalent standard ONS (1.5kcal/ml) as control, ad libitum in addition to diet for 7 days (n=70). Participants will then have an option to continue with their preferred ONS for a further 4 weeks (28 days).

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment




Standard ONS, High Energy, low volume ONS


Dietetics Dept, Great Western Hospital
United Kingdom




Nutricia UK Ltd

Results (where available)

View Results


Published on BioPortfolio: 2014-07-23T21:09:56-0400

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