Work Package 2 Phase 1 - Beverages Study

  • STATUS
    Recruiting
  • days left to enroll
    59
  • participants needed
    120
  • sponsor
    Clinica Universidad de Navarra, Universidad de Navarra
Updated on 26 January 2021

Summary

Within the SWEET project (EU funded), in Work Package 2 there are two phases, this study refers to Phase 1 of the SWEET WP2 project, which will be a coordinated trial across 3 intervention centres, University of Navarra (UNAV), University of Liverpool (ULIV) and University of Copenhagen (UCPH). It will involve an acute intervention in 120 individuals to explore initial acceptance, safety and post-prandial effects of 3 S&SE blends delivered in beverage format.

The main endpoints of the SWEET WP2 Phase 1 study will be glycaemic and lipaemic responses; eating behavior (subjective appetite, food preference, cravings, reward), and health effects (rebound hunger, G.I. side effects and metabolic effects). This phase will be exploratory and will not involve any specific primary hypotheses.

Description

This protocol has the overall objective to evaluate the acute (short-term, 1 day) and repeated (medium-term, 2 week) effects of combinations of sweeteners and sweetness enhancers (S&SEs) on metabolic, sensory and neuro-behavioural processes involved in satiety, consumer preference and health, and to explore mechanistic processes, genetic background, safety issues and consumer perspectives.

There are 4 products being tested in 4 different formulations (sucrose-sweetened beverage control vs. 3 reformulated beverages with S&SE). Each product will be tested at 3 intervention sites in double-blind cross-over trials with 40 subjects per site, tested per product. Therefore a total of 120 subjects will take part across the 3 intervention sites (UNAV, ULIV, UCPH).

Using identical procedures each trial will consist of 4 Clinical Investigation Days (CIDs) scheduled 7-11 days apart for each of the 3 product formulations.

The total duration of WP2 Phase 2 per site is 6 months, including a minimum of 22 days and a maximum of 34 days for each participant.

Details
Condition Glycemic Index, Overweight and Obesity
Treatment Comparison of sweetener blends in liquid form (cross-over study)
Clinical Study IdentifierNCT04483180
SponsorClinica Universidad de Navarra, Universidad de Navarra
Last Modified on26 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age between 18 yrs and 60 yrs?
Gender: Male or Female
Do you have any of these conditions: Overweight and Obesity or Glycemic Index?
Age: 18-60 years
BMI: 25 to 35 kg/m2
For women: Use of contraceptive methods or not planning to become pregnant for the duration of the study
Regular consumption of sugar-containing foods and willing to consume artificially-sweetened beverages (a score of 5 on the short sFFQ Part 1a and answer Yes to all questions in Part 2)
Able to participate on the visit days/CIDs during normal working hours
Healthy as determined from the self-reported medical history or when a clinical condition exists, when this is considered to be irrelevant (i.e. not influencing study outcomes) for the study by the study medical doctor
Consuming breakfast regularly (at least 5 days per week)
Liking of the study foods defined by a response of Yes for each of the breakfast foods during the pre-screening interview and a score of 40 % or above on the Liking VAS for the control beverage
Able to understand and be willing to sign the informed consent form, and to follow all the study procedures and requirements

Exclusion Criteria

Blood donation < 3 month prior to study
Deficient nutrition or hydration status as identified from the pre-screening/screening session (i.e. absence of disease including anaemia, BMI >18 kg/m2, or other criteria as determined by the study doctor)
Food allergy, intolerance, restriction or avoidance of any of the study foods (e.g. veganism) or history of anaphylactic reaction to any food
Likelihood for disordered eating defined as a score of 20 or more on the EAT-26 test
Currently dieting to lose weight or having been on weight cycles (i.e. repeatedly lost and re-gained weight) in the last 3 months
Smoking
Binge drinking i.e. consuming >14 units of alcohol per week in women or >21 units/week in men less than 4 days apart
Performing >10 h of intense physical activity per week
Continuous night or late shift work (ending later than 11 pm on a permanent basis). Rotational shift work allowed if can attend on days that do not follow a late/night shift
Self-reported use of drugs of abuse within the previous 12 months
For women: Pregnancy, lactation
Persons who do not have access to either (mobile) phone or internet (this is necessary when being contacted by the study personnel during the study)
Insufficient communication in the national language
Proven or suspected inability, physically or mentally, to comply with the procedures required by the study protocol as evaluated by the daily study manager, site-PI, PI or clinical responsible. This includes volunteers for which insufficient collaboration may be foreseen
Subject's general condition contraindicates continuing in the study as evaluated by the daily study manager, site-PI, PI or clinical responsible
Simultaneous participation in other relevant clinical intervention studies
Previous university or college training related to eating behaviour research
Medical conditions as known by the person
Self-reported eating disorders
Diagnosed anaemia
Diagnosed diabetes mellitus
Abnormal gastro-intestinal (G.I) function or structure such as malformation, angiodysplasia, active peptic ulcer
Active inflammatory bowel disease, celiac disease, chronic pancreatitis or other disorder potentially causing malabsorption
History of G.I. surgery with permanent effect (i.e. surgical treatment of obesity)
Medical history of cardio-vascular disease (e.g. current angina; myocardial infarction or stroke within the past 6 months; heart failure; symptomatic peripheral vascular disease)
Significant liver disease, e.g. cirrhosis (fatty liver disease allowed)
Malignancy which is currently active or in remission for less than five years after last treatment (local basal and squamous cell skin cancer allowed)
Thyroid diseases, except those on Levothyroxine treatment of hypothyroidism if the person has been on a stable dose for at least 3 months
Psychiatric illness (e.g. major depression, bipolar disorders)
Medication
Use currently or within the previous 3 months of prescription or over the counter medication that has the potential of affecting appetite, satiety or body weight incl. food supplements
Except: low dose antidepressants if they, in the judgement of the daily study
manager, site-PI, PI or clinical responsible, do not affect weight or
following the study protocol. Levothyroxine for treatment of hypothyroidism is
allowed if the person has been on a stable dose for at least 3 months
Cholesterol lowering medication, if the dose has changed during the last 3
months (i.e. the medication is allowed if the participant has been on a stable
dose for at least 3 months)
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