Overweight and ObesityNCT05981404
Impact of ß-glucan Supplementation on Subjective Appetite and Gastrointestinal Appetite Hormones.
A study testing β-glucan in people with Overweight and Obesity, run by University of Glasgow at 1 site in United Kingdom.
Trial summary
The goal of this clinical trial is to how supplementation with beta -glucan during two days of caloric and carbohydrate restriction impacts subjective appetite and gastrointestinal appetite hormones in healthy overweight adults. Read more about this study
- Who is it for?
- Ages 18 to 50 yearsHealthy volunteers can take part
- Conditions the study is for
- Overweight and Obesity
- What is being tested?
- β-glucan
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 25 participants
- Where
- 1 siteUnited Kingdom
- Study dates
- 26 May 2023to 30 Sep 2024
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 50 years
- All sexes
- Healthy volunteers accepted
- Adult
Who may be able to join
- Participants will be asked to confirm whether they had stable body weight for at least 3 months and are not following a diet to gain or lose weight. They will also be asked to confirm that they are non-smokers, not on long-term medication, not pregnant or lactating, and have no known food allergies to the ingredients in test meals and to Paracetamol.
Who cannot join
- Participants will be excluded if they are smokers and have irregular menstruation cycles, use any type of medication, exercised more than 75min a week, were pregnant or lactating. Participants will be required to be free of any medical condition, including having food allergies and stable body weight for at least 3 months preceding the study. Participants will be excluded if they are allergic to paracetamol and any types of food and were following any weight loss diet for the last 3 months, are vegan or vegetarian or follow any diet other than the typical Western diet. Participants will be expected to be not on any kind of dietary supplement at the time of the study.
Trial locations and contacts
1 site in 1 country.
United Kingdom1 site, 1 recruiting
- Recruiting
University of Glasgow
Glasgow
Dalia Malkova, dalia.malkova@glasgow.ac.uk
About this study
Official title: Impact of ß-glucan Supplementation During Calorie and Carbohydrate Restriction on Subjective Appetite and Gastrointestinal Appetite Hormones in Overweight Adults.
The goal of this clinical trial is to how supplementation with beta -glucan during two days of caloric and carbohydrate restriction impacts subjective appetite and gastrointestinal appetite hormones in healthy overweight adults. In addition, the study aims to investigate the impact on gastric emptying since appetite and energy intake following food or supplement consumption can also relate to their impact on gastric emptying and as reduced hunger and enhanced satiety have been reported to be linked with delayed gastric emptying. The study will also investigate how these interactions impact after meal responses of insulin and glucose and thus insulin sensitivity. The caloric restriction during breakfasts and dinners will be achieved by low-calorie ready meals in the format of the counterweight PRO800 diet and lunches will be low in carbohydrates. It aims to test whether the addition of β-glucan to calorie and carbohydrate-restricted meals amends postprandial responses of appetite hormones and subjective appetite.
participated will be assigned in double-blinded randomised crossover study, intervention group will be supplemented with 3g beta-glucan and the control group supplemented with 3g placebo.
Read the detailed description
This will be a randomised crossover study which will be conducted on overweight and obese women with BMI of 27-35 kg/m2 and 18 -50 years old. Subjects will conduct two experimental trials, each lasting over 2 days and involving the consumption of two low-calorie meal replacements, one for breakfast and another one for dinner, and a low carbohydrate lunch meal for 2 consecutive days. In one trial, during each meal participants will take 3g of beta-glucan supplement and 3 g of cellulose as a placebo will be taken in another trial. On day 1 of each trial, a low-calorie breakfast will be consumed at the metabolic investigation laboratory at New Lister Building (NLB) of Glasgow Royal Infirmary and low carbohydrate lunch and low-calorie dinner at home. On day 2, breakfast and lunch will be consumed at the laboratory. On day 2, prior to the breakfast, 1000mg of paracetamol will be taken, and blood samples, breath hydrogen tests, appetite questionnaires and metabolic rate measurements will be obtained for 7 hours after the completion of breakfast. Trials will be separated by a 7-day washout period. All measurements will be collected at New Lister Building (NLB). Prior to the main experimental trials, participants will be asked to undergo a screening session which includes answering a health screening questionnaire and undergoing measurements of height, body weight, body composition and resting energy expenditure.
- Conditions
- Overweight and Obesity
- Being tested
- β-glucan, Placebo
- Medical subject headings
- Overweight, Obesity
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
β-glucanDietary supplement
Consuming 3g β-glucan with each meal.
PlaceboDietary supplement
Consuming 3g Cellulose with each meal.
| Study group | Role | What they receive |
|---|---|---|
| Low calorie and low carbohydrate meals with β-glucan. | Experimental | On day 1, a low-calorie breakfast will be consumed at the metabolic investigation laboratory at New Lister Building (NLB) of Glasgow Royal Infirmary but low carbohydrate lunch and low-calorie dinner at home. On day 2, breakfast and lunch will be consumed at the laboratory and, prior to the breakfast, 1000mg of paracetamol will be taken, blood samples, breath hydrogen tests, appetite questionnaires will be obtained for 7 hours after the completion of breakfast. 3g β-glucan will be consumed with each meal on both days. Receives: Dietary Supplement: β-glucan |
| Low calorie and low carbohydrate meals with placebo. | Experimental | On day 1, a low-calorie breakfast will be consumed at the metabolic investigation laboratory at New Lister Building (NLB) of Glasgow Royal Infirmary but low carbohydrate lunch and low-calorie dinner at home. On day 2, breakfast and lunch will be consumed at the laboratory and, prior to the breakfast, 1000mg of paracetamol will be taken, blood samples, breath hydrogen tests, appetite questionnaires will be obtained for 7 hours after the completion of breakfast. 3g cellulose will be consumed with each meal on both days. Receives: Dietary Supplement: Placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
Changes in gastrointestinal appetite hormones and appetite scores between the two groups.
Taking blood samples every 30 minutes to test the changes in appetite hormones. Asking participants to answer questionnaires which will be calculated by Validated Visual Analogue Scale (VAS). The scale is 100 mm in length with words anchored to a minimum and a maximum of the ''desire to eat'', ''fullness'', ''hunger'' and ''satiety'' the point corresponding to their sensations.
Measured: On day 2 of each experimental trial.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Aug 2023
- Study start26 May 2023
- Primary completion31 Jul 2024 (estimated)
- Study completion30 Sep 2024 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (5)Papers the sponsor has linked to this study.
- Other trials for Overweight and ObesityStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Crossover
- Model description
- Experimental trial beta-glucan or experimental trial control (placebo)
- Masking
- Quadruple blind
- Who is masked
- Participant, Care provider, Investigator, Outcomes assessor
- Enrolment
- 25 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Glasgow
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Dr Dalia Malkova, University of Glasgow
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05981404
- Sponsor's protocol ID
- 200210051
- Status last verified
- Jul 2023
- First submitted
- 31 Jul 2023
- Last updated
- 8 Aug 2023
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Fechner E, Smeets ETHC, Schrauwen P, Mensink RP. The Effects of Different Degrees of Carbohydrate Restriction and Carbohydrate Replacement on Cardiometabolic Risk Markers in Humans-A Systematic Review and Meta-Analysis. Nutrients. 2020 Apr 2;12(4):991. doi: 10.3390/nu12040991.
PubMed 32252374Wang GJ, Tomasi D, Backus W, Wang R, Telang F, Geliebter A, Korner J, Bauman A, Fowler JS, Thanos PK, Volkow ND. Gastric distention activates satiety circuitry in the human brain. Neuroimage. 2008 Feb 15;39(4):1824-31. doi: 10.1016/j.neuroimage.2007.11.008. Epub 2007 Nov 22.
PubMed 18155924Thom G, Dombrowski SU, Brosnahan N, Algindan YY, Rosario Lopez-Gonzalez M, Roditi G, Lean MEJ, Malkova D. The role of appetite-related hormones, adaptive thermogenesis, perceived hunger and stress in long-term weight-loss maintenance: a mixed-methods study. Eur J Clin Nutr. 2020 Apr;74(4):622-632. doi: 10.1038/s41430-020-0568-9. Epub 2020 Feb 4.
PubMed 32020057Miyamoto J, Watanabe K, Taira S, Kasubuchi M, Li X, Irie J, Itoh H, Kimura I. Barley beta-glucan improves metabolic condition via short-chain fatty acids produced by gut microbial fermentation in high fat diet fed mice. PLoS One. 2018 Apr 26;13(4):e0196579. doi: 10.1371/journal.pone.0196579. eCollection 2018.
PubMed 29698465Ebbeling CB, Feldman HA, Klein GL, Wong JMW, Bielak L, Steltz SK, Luoto PK, Wolfe RR, Wong WW, Ludwig DS. Effects of a low carbohydrate diet on energy expenditure during weight loss maintenance: randomized trial. BMJ. 2018 Nov 14;363:k4583. doi: 10.1136/bmj.k4583.
PubMed 30429127
Study at a glance
From the registry record, last updated by the sponsor on 8 Aug 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Impact of ß-glucan Supplementation During Calorie and Carbohydrate Restriction on Subjective Appetite and Gastrointestinal Appetite Hormones in Overweight Adults.
- ClinicalTrials.gov ID
- NCT05981404
- Acronym / sponsor ID
- 200210051
- Conditions
- Overweight and Obesity
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 25 participants (estimated)
- Lead sponsor
- University of GlasgowUniversity, hospital or other
- Study start
- 26 May 2023 (actual)
- Primary completion
- 31 Jul 2024 (estimated)
- Study completion
- 30 Sep 2024 (estimated)
- First posted
- 8 Aug 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The goal of this clinical trial is to how supplementation with beta -glucan during two days of caloric and carbohydrate restriction impacts subjective appetite and gastrointestinal appetite hormones in healthy overweight adults. In addition, the study aims to investigate the impact on gastric emptying since appetite and energy intake following food or supplement consumption can also relate to their impact on gastric emptying and as reduced hunger and enhanced satiety have been reported to be linked with delayed gastric emptying. The study will also investigate how these interactions impact after meal responses of insulin and glucose and thus insulin sensitivity. The caloric restriction during breakfasts and dinners will be achieved by low-calorie ready meals in the format of the counterweight PRO800 diet and lunches will be low in carbohydrates. It aims to test whether the addition of β-glucan to calorie and carbohydrate-restricted meals amends postprandial responses of appetite hormones and subjective appetite.
participated will be assigned in double-blinded randomised crossover study, intervention group will be supplemented with 3g beta-glucan and the control group supplemented with 3g placebo.
Detailed description
This will be a randomised crossover study which will be conducted on overweight and obese women with BMI of 27-35 kg/m2 and 18 -50 years old. Subjects will conduct two experimental trials, each lasting over 2 days and involving the consumption of two low-calorie meal replacements, one for breakfast and another one for dinner, and a low carbohydrate lunch meal for 2 consecutive days. In one trial, during each meal participants will take 3g of beta-glucan supplement and 3 g of cellulose as a placebo will be taken in another trial. On day 1 of each trial, a low-calorie breakfast will be consumed at the metabolic investigation laboratory at New Lister Building (NLB) of Glasgow Royal Infirmary and low carbohydrate lunch and low-calorie dinner at home. On day 2, breakfast and lunch will be consumed at the laboratory. On day 2, prior to the breakfast, 1000mg of paracetamol will be taken, and blood samples, breath hydrogen tests, appetite questionnaires and metabolic rate measurements will be obtained for 7 hours after the completion of breakfast. Trials will be separated by a 7-day washout period. All measurements will be collected at New Lister Building (NLB). Prior to the main experimental trials, participants will be asked to undergo a screening session which includes answering a health screening questionnaire and undergoing measurements of height, body weight, body composition and resting energy expenditure.
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Quadruple blind (participant, care provider, investigator, outcomes assessor)
- Number of arms
- 2
- Model description
- Experimental trial beta-glucan or experimental trial control (placebo)
| Arm | Type | Receives |
|---|---|---|
| Low calorie and low carbohydrate meals with β-glucan. | Experimental | Dietary Supplement: β-glucanOn day 1, a low-calorie breakfast will be consumed at the metabolic investigation laboratory at New Lister Building (NLB) of Glasgow Royal Infirmary but low carbohydrate lunch and low-calorie dinner at home. On day 2, breakfast and lunch will be consumed at the laboratory and, prior to the breakfast, 1000mg of paracetamol will be taken, blood samples, breath hydrogen tests, appetite questionnaires will be obtained for 7 hours after the completion of breakfast. 3g β-glucan will be consumed with each meal on both days. |
| Low calorie and low carbohydrate meals with placebo. | Experimental | Dietary Supplement: PlaceboOn day 1, a low-calorie breakfast will be consumed at the metabolic investigation laboratory at New Lister Building (NLB) of Glasgow Royal Infirmary but low carbohydrate lunch and low-calorie dinner at home. On day 2, breakfast and lunch will be consumed at the laboratory and, prior to the breakfast, 1000mg of paracetamol will be taken, blood samples, breath hydrogen tests, appetite questionnaires will be obtained for 7 hours after the completion of breakfast. 3g cellulose will be consumed with each meal on both days. |
Who may qualify
- Ages
- 18 to 50 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (1 listed)
- Participants will be asked to confirm whether they had stable body weight for at least 3 months and are not following a diet to gain or lose weight. They will also be asked to confirm that they are non-smokers, not on long-term medication, not pregnant or lactating, and have no known food allergies to the ingredients in test meals and to Paracetamol.
Key exclusion criteria (1 listed)
- Participants will be excluded if they are smokers and have irregular menstruation cycles, use any type of medication, exercised more than 75min a week, were pregnant or lactating. Participants will be required to be free of any medical condition, including having food allergies and stable body weight for at least 3 months preceding the study. Participants will be excluded if they are allergic to paracetamol and any types of food and were following any weight loss diet for the last 3 months, are vegan or vegetarian or follow any diet other than the typical Western diet. Participants will be expected to be not on any kind of dietary supplement at the time of the study.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| β-glucanConsuming 3g β-glucan with each meal. | Dietary supplement | Low calorie and low carbohydrate meals with β-glucan. |
| PlaceboConsuming 3g Cellulose with each meal. | Dietary supplement | Low calorie and low carbohydrate meals with placebo. |
Primary outcome
Changes in gastrointestinal appetite hormones and appetite scores between the two groups.
Time frame: On day 2 of each experimental trial.
Taking blood samples every 30 minutes to test the changes in appetite hormones. Asking participants to answer questionnaires which will be calculated by Validated Visual Analogue Scale (VAS). The scale is 100 mm in length with words anchored to a minimum and a maximum of the ''desire to eat'', ''fullness'', ''hunger'' and ''satiety'' the point corresponding to their sensations.
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 8 Aug 2023.
- Background: PubMed 32252374Fechner E, Smeets ETHC, Schrauwen P, Mensink RP. The Effects of Different Degrees of Carbohydrate Restriction and Carbohydrate Replacement on Cardiometabolic Risk Markers in Humans-A Systematic Review and Meta-Analysis. Nutrients. 2020 Apr 2;12(4):991. doi: 10.3390/nu12040991.
- Results publication: PubMed 18155924Wang GJ, Tomasi D, Backus W, Wang R, Telang F, Geliebter A, Korner J, Bauman A, Fowler JS, Thanos PK, Volkow ND. Gastric distention activates satiety circuitry in the human brain. Neuroimage. 2008 Feb 15;39(4):1824-31. doi: 10.1016/j.neuroimage.2007.11.008. Epub 2007 Nov 22.
- Results publication: PubMed 32020057Thom G, Dombrowski SU, Brosnahan N, Algindan YY, Rosario Lopez-Gonzalez M, Roditi G, Lean MEJ, Malkova D. The role of appetite-related hormones, adaptive thermogenesis, perceived hunger and stress in long-term weight-loss maintenance: a mixed-methods study. Eur J Clin Nutr. 2020 Apr;74(4):622-632. doi: 10.1038/s41430-020-0568-9. Epub 2020 Feb 4.
- Results publication: PubMed 29698465Miyamoto J, Watanabe K, Taira S, Kasubuchi M, Li X, Irie J, Itoh H, Kimura I. Barley beta-glucan improves metabolic condition via short-chain fatty acids produced by gut microbial fermentation in high fat diet fed mice. PLoS One. 2018 Apr 26;13(4):e0196579. doi: 10.1371/journal.pone.0196579. eCollection 2018.
- Results publication: PubMed 30429127Ebbeling CB, Feldman HA, Klein GL, Wong JMW, Bielak L, Steltz SK, Luoto PK, Wolfe RR, Wong WW, Ludwig DS. Effects of a low carbohydrate diet on energy expenditure during weight loss maintenance: randomized trial. BMJ. 2018 Nov 14;363:k4583. doi: 10.1136/bmj.k4583.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing β-glucan in people with Overweight and Obesity, run by University of Glasgow at 1 site in United Kingdom.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 8 Aug 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Dalia Malkova, PhD (07753433971, dalia.malkova@glasgow.ac.uk), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Changes in gastrointestinal appetite hormones and appetite scores between the two groups. (time frame: On day 2 of each experimental trial.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05981404, which also lists 5 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Aug 2023.