Study Summary
This trial will test whether a person's genetic code affects how much weight he/she will lose on a diet that either has more carbohydrates or more dietary fat.
Treatment Effectiveness
Effectiveness Progress
Study Objectives
2 Primary · 6 Secondary · Reporting Duration: Baseline to 12 weeks
Trial Safety
Safety Progress
Trial Design
4 Treatment Groups
Fat responders (2)
1 of 4
Carbohydrate responders (1)
1 of 4
Fat responders (1)
1 of 4
Carbohydrate responders (2)
1 of 4
Experimental Treatment
154 Total Participants · 4 Treatment Groups
Primary Treatment: High-carbohydrate diet · No Placebo Group · N/A
Trial Logistics
Trial Timeline
Who is running the clinical trial?
Eligibility Criteria
Age 18 - 75 · All Participants · 4 Total Inclusion Criteria
Mark “Yes” if the following statements are true for you:Who else is applying?
What state do they live in?
| Louisiana | 100.0% |
How old are they?
| 18 - 65 | 100.0% |
What site did they apply to?
| Pennington Biomedical Research Center | 100.0% |
What portion of applicants met pre-screening criteria?
| Met criteria | 100.0% |
Frequently Asked Questions
Are there any vacancies left for participants in this research?
"According to information hosted on clinicaltrials.gov, this research initiative is no longer recruiting participants. The study was first published in February of 2020 and the last update happened September 15th 2022. Despite being closed for enrollment, there are 223 other studies actively seeking out candidates at present." - Anonymous Online Contributor
Does this medical study restrict its participants to a certain age range?
"This research endeavour is seeking participants aged 18+ and under 75 years old." - Anonymous Online Contributor
Who is eligible to take part in this experiment?
"Patients aged between 18 and 75 with a BMI of 27.0 - 47.5 kg/m2 are recruited for this trial, amounting to 154 individuals in total. The eligibility criteria also requires that they be either fat responders or carbohydrate responders as determined by genetic risk score; it is estimated that around 1/3 of people fit into each category while the remaining third may respond to either diet type." - Anonymous Online Contributor
What is the ultimate outcome that researchers are hoping to accomplish with this medical experiment?
"The clinical trial sponsor, Weight Watchers International, has declared that the primary metric to be evaluated during this Baseline to 12 week period is Percentage Body Mass Change. Secondary outcomes being monitored include Transformation of Fat Preference Index (measured using Food Preference Questionnaire), Variation in Food Cravings (assessed via a 33-item inventory) and Modification of Waist Circumference." - Anonymous Online Contributor