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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06022796
Other study ID # 202300165
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date July 21, 2023
Est. completion date May 1, 2024

Study information

Verified date August 2023
Source National University Hospital, Singapore
Contact Melissa Tay
Phone 67725166
Email melissa_hj_tay@nuhs.edu.sg
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Numerous barriers towards weight management among Singaporeans with obesity exists, which involves environmental and self-regulation factors (i.e. motivation and hunger). Hence, the provision of healthy ketogenic ready-to-eat meals may be a potential solution to facilitate initial weight loss through increasing motivation while reducing appetite and hunger levels among these individuals. Therefore, this study will investigate the effect of healthy ketogenic ready-to-eat meals with mHealth nutrition application versus healthy ketogenic diet (without meal provision) with the mHealth nutrition app to facilitate weight loss and improve metabolic outcomes among individuals with obesity.


Description:

In Singapore, the widespread availability of local meals and concerns of overconsumption due to a lack of internal self-regulation skills for hunger predisposes an increased energy intake. Furthermore, a lack of time, motivation, and self-efficacy in preparing healthy meals may potentially limit the extent of weight and dietary management among local individuals with obesity. The ketogenic diet has consistently demonstrated beneficial effects on facilitating weight management. This weight loss mechanism involves achieving a calorie deficit, induced state of nutritional ketosis, and the reduction in appetite and hunger. Importantly, the weight loss achieved from the early phase of the intervention serves as one of the key enablers in the weight loss process. Despite these benefits, there is paucity in the literature examining the provision of healthy ketogenic ready-to-eat (HK-RTE) meals on weight loss. Furthermore, none of these studies explored the extent of motivation derived from the benefits of these meals, nor included the use of mHealth self-monitoring strategies to encourage weight loss. To address the research gap, our study aims to evaluate the effectiveness of HK-RTE meals with mHealth app, as compared to healthy ketogenic diet (HKD) (without meal provision) using the mHealth app on weight loss and metabolic outcomes among Asian individuals with obesity. In this randomized controlled trial, participants will be randomized to either HK-RTE group or the HKD group using computer-generated random sequencing. Both groups will receive nutrition education conducted by dietitians throughout the 6-month study period (total of 5 dietary workshops covering topics such as ketogenic dietary advice and self-monitoring habits). The HK-RTE group will be provided with HK-RTE meals for lunch and dinner in the first month (n = 25). They are to take these meals as part of a healthy ketogenic diet, with a maximum of 50g net total carbohydrates daily. Those in the control group will be advised to follow a healthy ketogenic diet (HKD) without the RTE meals (n = 25) and similarly to keep to a maximum of 50g net carbohydrates daily. Participants will also be encouraged to use the Nutritionist Buddy (nBuddy) mobile application to facilitate monitoring of diet intake, physical activity and weight throughout the 6-month study period. The impact of the HK-RTE meals on motivation and appetite regulation in influencing weight loss will also be explored.


Recruitment information / eligibility

Status Recruiting
Enrollment 50
Est. completion date May 1, 2024
Est. primary completion date March 1, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 21 Years to 75 Years
Eligibility Inclusion Criteria: - Aged 21 to 75 years old - Body Mass Index >= 27.5kg/m2 - Own a smartphone - Literacy in English - NUH staff Exclusion Criteria: - Intention of pregnancy; Pregnancy; Lactating individuals - Type 1 Diabetes Mellitus or Type 2 Diabetes Mellitus on insulin treatment - Untreated Endocrinopathy (e.g., hyper/hypothyroidism) - Advanced kidney disease - Abnormal liver function test assessed at screening - Heart diseases - Severe cognitive or psychiatric disabilities/disorders (e.g., eating disorders, depression) - Active malignancies - Taking medications that affect appetite or induce weight loss; previous or plans for bariatric surgery.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Healthy Ketogenic Ready-to-Eat Meals
Participants will be provided nutrition education via 5 dietary workshops focusing on a healthy ketogenic diet. In addition, HK-RTE meals will be provided to participants as a form of meal replacement for lunch and dinner over 1 month. Participants will be expected to follow a healthy ketogenic diet thereafter.
Healthy Ketogenic Diet
Participants will receive nutrition education via 5 dietary workshops focusing on a healthy ketogenic diet, without the provision of HK-RTE meals.

Locations

Country Name City State
Singapore National University Hospital Singapore

Sponsors (1)

Lead Sponsor Collaborator
National University Hospital, Singapore

Country where clinical trial is conducted

Singapore, 

Outcome

Type Measure Description Time frame Safety issue
Primary Body weight Weight changes post-intervention 1 month, 3 months, 6 months
Secondary Blood pressure Systolic and diastolic changes at follow up appointments 3 months, 6 months
Secondary Hemoglobin A1c HbA1c changes at follow up appointments 3 months, 6 months
Secondary Fasting blood glucose Fasting blood glucose changes at follow up appointments 3 months, 6 months
Secondary Total cholesterol Cholesterol changes at follow up appointments 3 months, 6 months
Secondary Low-density lipoprotein cholesterol Cholesterol changes at follow up appointments 3 months, 6 months
Secondary High-density lipoprotein cholesterol Cholesterol changes at follow-up appointments 3 months, 6 months
Secondary Triglycerides Triglycerides changes at follow up appointments 3 months, 6 months
Secondary Motivation to initiate and maintain dietary behaviours Motivation via self-reported questionnaire 3 months, 6 months
Secondary Perceived competence to maintain dietary behaviour Perceived competence via self-reported questionnaire 3 months, 6 months
Secondary Hunger Subjective ratings of hunger feelings via self-reported questionnaire 3 months, 6 months
Secondary Dietary intake Nutrients intake by assessing food logs in nBuddy application 6 months
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