Clinical Trials Logo

Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT01021917
Other study ID # MED013
Secondary ID 20071961
Status Terminated
Phase N/A
First received November 25, 2009
Last updated August 28, 2017
Start date March 2008
Est. completion date July 2014

Study information

Verified date August 2017
Source Medifast, Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The overall purpose of this research is to evaluate the long-term outcomes associated with participation in Medifast Direct and Take Shape For Life weight-loss programs in comparison with non-Medifast weight-loss programs. Another important goal of this research is to determine whether the differences between Medifast Direct and Take Shape For Life programs affect weight-loss and maintenance of weight-loss in customers.


Description:

Researchers desire to capture the behaviors and outcomes of those individuals who would enroll in these programs without the additional encouragement to be a participant in a research study. The study will employ an observational prospective design intended to introduce as little interference as possible with subjects' behaviors. This is in order to capture the pure effects of the weight-loss programs themselves, and to reduce the potentially confounding effects of merely participating in a research study. Subjects who have already committed to a weight-loss program (Medifast Direct, Take Shape For Life , or other) will be recruited to join this study, and will be asked to complete several questionnaires over a period of up to 6 ⅓ years after enrollment. Questionnaires will measure information regarding anthropometrics, sociodemographics, and health & quality of life outcomes. The overall goal of this research is to be able to describe and compare the long-term dieting behaviors and outcomes among participants in Medifast Direct and Take Shape For Life programs in comparison with other dieters.


Recruitment information / eligibility

Status Terminated
Enrollment 332
Est. completion date July 2014
Est. primary completion date July 2014
Accepts healthy volunteers No
Gender All
Age group 18 Years to 69 Years
Eligibility Inclusion Criteria:

- Adult males and females between the ages of 18 - 69 years

- BMI ( > 25.0 kg/m2)

- Beginning a weight loss diet plan (MD, TSFL, or one of a number of commercially available plans)NOTE: subjects must have already committed to a weight-loss plan in order to be eligible for this study. The recruitment process is specifically designed so as NOT to appear to encourage subjects to begin a weight-loss plan. Rather, the purpose of this research is to track information about persons who have already committed to a weight-loss program.

- Willing and able to give informed consent

- Willing and able to comply with study protocol

Exclusion Criteria:

- Unable to give informed consent

- Previous hospitalization for psychiatric disorder or eating disorder

- Current, uncontrolled medical conditions

- Taking unstable doses of weight-loss or appetite-affecting medications (e.g., SSRIs, steroids, Ritalin)

- Taking prescription weight-loss drugs (Phentermine, Sibutramine, Orlistat, etc…)

- Have undergone, or plan to undergo, weight loss surgery (e.g. gastric bypass, lap band, duodenal switch) in the next 6 1/3 years

- Plan to undergo weight-altering cosmetic surgery procedures (e.g. breast reduction/augmentation, tummy tuck, liposuction, or other skin removal procedures) in the next 6 1/3 years

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States Medifast Inc. Owings Mills Maryland

Sponsors (1)

Lead Sponsor Collaborator
Medifast, Inc.

Country where clinical trial is conducted

United States, 

References & Publications (10)

Ditschuneit HH, Flechtner-Mors M, Johnson TD, Adler G. Metabolic and weight-loss effects of a long-term dietary intervention in obese patients. Am J Clin Nutr. 1999 Feb;69(2):198-204. — View Citation

Ditschuneit HH, Flechtner-Mors M. Value of structured meals for weight management: risk factors and long-term weight maintenance. Obes Res. 2001 Nov;9 Suppl 4:284S-289S. — View Citation

Gale SM, Castracane VD, Mantzoros CS. Energy homeostasis, obesity and eating disorders: recent advances in endocrinology. J Nutr. 2004 Feb;134(2):295-8. Review. — View Citation

Glenny AM, O'Meara S, Melville A, Sheldon TA, Wilson C. The treatment and prevention of obesity: a systematic review of the literature. Int J Obes Relat Metab Disord. 1997 Sep;21(9):715-37. Review. — View Citation

Golan M, Weizman A, Apter A, Fainaru M. Parents as the exclusive agents of change in the treatment of childhood obesity. Am J Clin Nutr. 1998 Jun;67(6):1130-5. — View Citation

Hedley AA, Ogden CL, Johnson CL, Carroll MD, Curtin LR, Flegal KM. Prevalence of overweight and obesity among US children, adolescents, and adults, 1999-2002. JAMA. 2004 Jun 16;291(23):2847-50. — View Citation

Heymsfield SB, van Mierlo CA, van der Knaap HC, Heo M, Frier HI. Weight management using a meal replacement strategy: meta and pooling analysis from six studies. Int J Obes Relat Metab Disord. 2003 May;27(5):537-49. — View Citation

Quinn Rothacker D. Five-year self-management of weight using meal replacements: comparison with matched controls in rural Wisconsin. Nutrition. 2000 May;16(5):344-8. — View Citation

Stata Statistical Software: release 7.0 College Station TX. Stata Corporation: College Station, TX 1994-2001.

Thearle M, Aronne LJ. Obesity and pharmacologic therapy. Endocrinol Metab Clin North Am. 2003 Dec;32(4):1005-24. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary To compare change in body weight among subjects in Medifast Direct, Take Shape For Life, and Other Dieters. 4 months, 16 months, and at 5y follow-up
Secondary To investigate attrition rates among subjects enrolled in Medifast Direct, Take Shape For Life, and Other Dieters. 4 months, 16 months, and at 5 yr follow-up
Secondary To evaluate potential predictors of successful weight loss & maintenance of weight loss. 4 months, 16 months, and at 5 yr follow-up
Secondary To examine the effects of Medifast Direct and Take Shape For Life programs on intake, health & quality of life outcomes, and eating behaviors. 4 months, 16 months, and at 5y follow-up
Secondary To explore potential differences between subgroups in change in body weight and attrition. 4 months, 16 months, and at 5y follow-up
See also
  Status Clinical Trial Phase
Recruiting NCT04243317 - Feasibility of a Sleep Improvement Intervention for Weight Loss and Its Maintenance in Sleep Impaired Obese Adults N/A
Recruiting NCT04101669 - EndoBarrier System Pivotal Trial(Rev E v2) N/A
Terminated NCT03772886 - Reducing Cesarean Delivery Rate in Obese Patients Using the Peanut Ball N/A
Completed NCT03640442 - Modified Ramped Position for Intubation of Obese Females. N/A
Completed NCT04506996 - Monday-Focused Tailored Rapid Interactive Mobile Messaging for Weight Management 2 N/A
Recruiting NCT06019832 - Analysis of Stem and Non-Stem Tibial Component N/A
Active, not recruiting NCT05891834 - Study of INV-202 in Patients With Obesity and Metabolic Syndrome Phase 2
Active, not recruiting NCT05275959 - Beijing (Peking)---Myopia and Obesity Comorbidity Intervention (BMOCI) N/A
Recruiting NCT04575194 - Study of the Cardiometabolic Effects of Obesity Pharmacotherapy Phase 4
Completed NCT04513769 - Nutritious Eating With Soul at Rare Variety Cafe N/A
Withdrawn NCT03042897 - Exercise and Diet Intervention in Promoting Weight Loss in Obese Patients With Stage I Endometrial Cancer N/A
Completed NCT03644524 - Heat Therapy and Cardiometabolic Health in Obese Women N/A
Recruiting NCT05917873 - Metabolic Effects of Four-week Lactate-ketone Ester Supplementation N/A
Active, not recruiting NCT04353258 - Research Intervention to Support Healthy Eating and Exercise N/A
Completed NCT04507867 - Effect of a NSS to Reduce Complications in Patients With Covid-19 and Comorbidities in Stage III N/A
Recruiting NCT03227575 - Effects of Brisk Walking and Regular Intensity Exercise Interventions on Glycemic Control N/A
Completed NCT01870947 - Assisted Exercise in Obese Endometrial Cancer Patients N/A
Recruiting NCT06007404 - Understanding Metabolism and Inflammation Risks for Diabetes in Adolescents
Recruiting NCT05972564 - The Effect of SGLT2 Inhibition on Adipose Inflammation and Endothelial Function Phase 1/Phase 2
Recruiting NCT05371496 - Cardiac and Metabolic Effects of Semaglutide in Heart Failure With Preserved Ejection Fraction Phase 2