AzTrials
AzTrials

ObesityOpti-WINNCT02635698

Effectiveness of the Optifast Program Compared With a Reduced-energy Food Based Diet Plan on Body Weight

A study testing Optifast and Food-Based in people with Obesity, run by Société des Produits Nestlé (SPN) at 9 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

Compare percent change in loss of body weight between the OPTIFAST program and a food-based energy-deficit program Read more about this study

Who is it for?
Ages 18 to 70 yearsHealthy volunteers can take part
Conditions the study is for
Obesity
What is being tested?
Optifast and Food-Based
Could I receive a placebo?
No, everyone receives an active treatment
How many people
330 participants
Where
9 sitesUnited States
Study dates
Nov 2015to Oct 2017
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 70 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Adult males and females between 18 and 70 years
  • Obese (BMI > 30 kg/m2 and 55 kg/m2)
  • Non-smokers or smoking cessation > 6 months
  • < 14 alcoholic beverages per week
  • Willing and able to give informed consent

Who cannot join

  • Active participation in any weight loss program within previous 3 months
  • Weight changes of > 5% body weight within previous 3 months
  • Participated in an Optifast program within prior 5 years
  • Prior bariatric surgery or liposuction
  • Use of any medication prescribed for weight loss in the past 3 months
  • Current major disease or GI disease that is poorly controlled (Crohn's, ulcerative colitis)
Show all 27Show fewer
  • Type 1 DM
  • Current ESRD
  • Current COPD
  • Any major or active hepatic disease requiring inpatient or outpatient treatment
  • History of acute pancreatitis in the past year
  • Active cancer treatment in the past 2 years other than non-malignant skin cancers
  • Uncontrolled hypertension (Blood pressure 160/100 or greater)
  • Hemoglobin A1c > 10%
  • Recent CV event in past 6 months
  • Pregnancy, childbirth, or nursing within prior 6 months
  • Eating Attitudes Test (EAT-26) > 30
  • Current major depressive disorder with Center for Epidemiological Studies Depression Scale-Revised (CESD-R) score > 16
  • Schizophrenia, history of bipolar disorder
  • Recent hospitalization for psychiatric illness in past 6 months
  • Dependence on alcohol or sedative-hypnotic drugs
  • Intolerance or allergy to Optifast product
  • Unable to read/speak English
  • Orthopedic limitation preventing participation in regular physical activity
  • Untreated thyroid disease, abnormal TSH, non on stable dose of hormone replacement for hyperthyroidism
  • Major surgery defined as any surgical procedure that might require prolonged convalescence or limit participation in the program in any way
  • Inability to complete the 7-day run-in satisfactorily

Trial locations and contacts

9 sites in 1 country.

9 sites in 1 country

United States9 sites
  • Alaska Premier Health

    Anchorage, Alaska, 99503

  • University of Michigan Health System

    Ann Arbor, Michigan, 48106

  • Neuro-Behavioral Clinical Research, Inc.

    Canton, Ohio, 44718

  • Central Ohio Nutrition Center, Inc.

    Gahanna, Ohio, 43230

  • Brody School of Medicine, East Carolina University

    Greenville, North Carolina, 27834

  • Thomas Jefferson University

    Philadelphia, Pennsylvania, 19107

  • Alexian Brothers Weight Loss Solutions

    Schaumburg, Illinois, 60794

  • Houston Center for Clinical Research

    Sugar Land, Texas, 77479

  • Wake Forest School of Medicine

    Winston-Salem, North Carolina, 27401

Other trials in United States

About this study

Official title: Opti-WIN: Effectiveness of the Optifast Program Compared With a Reduced-energy Food Based Diet Plan on Body Weight

Compare percent change in loss of body weight between the OPTIFAST program and a food-based energy-deficit program

Conditions
Obesity
Being tested
Optifast, Food-Based
Medical subject headings
Obesity

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • OptifastOther

    medically-supervised weight management program

  • Food-BasedOther

    low-energy, low-fat diet

Study groups in NCT02635698
Study groupRoleWhat they receive
Intervention group, OptifastExperimentalOPTIFAST, medically supervised weight-management program
Receives: Other: Optifast
Control group, Low-energy, low-fatActive comparatorFood-based program, current standard of care for weight management
Receives: Other: Food-Based

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percent weight change

    Percent change in body weight between Initial Visit/Baseline and 26 weeks

    Measured: 26 weeks

  2. Percent weight change

    Percent change in body weight between Initial Visit/Baseline and 52 weeks

    Measured: 52 weeks

Secondary outcomes (3)
  1. Ability to meet weight goals

    Percentage of subjects meeting short- and long-term weight loss goals

    Measured: 52 weeks

  2. Change in anthropometrics

    change in BMI in kg/m^2 from baseline to 52 weeks

    Measured: 52 weeks

  3. Change in cardiometabolic outcomes

    Change in 10-year cardiovascular risk score (% likelihood to develop CVD in 10 years)

    Measured: 52 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 Dec 2015 (estimated)
  2. Study startNov 2015
  3. Primary completionOct 2017
  4. Study completionOct 2017

Resources

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
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
330 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02635698
Sponsor's protocol ID
14.21.CLI
Acronym
Opti-WIN
Status last verified
Nov 2017
First submitted
11 Dec 2015
Last updated
13 Nov 2017
Results posted
No
Data monitoring committee
No

Publications

  • Ard JD, Lewis KH, Rothberg A, Auriemma A, Coburn SL, Cohen SS, Loper J, Matarese L, Pories WJ, Periman S. Effectiveness of a Total Meal Replacement Program (OPTIFAST Program) on Weight Loss: Results from the OPTIWIN Study. Obesity (Silver Spring). 2019 Jan;27(1):22-29. doi: 10.1002/oby.22303. Epub 2018 Nov 13.

    PubMed 30421863

Questions about this trial

What is this clinical trial studying?

A study testing Optifast and Food-Based in people with Obesity, run by Société des Produits Nestlé (SPN) at 9 sites in United States.

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 5 inclusion and 27 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: finished, as of the sponsor's last update on 13 Nov 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 9 sites in United States. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percent weight change (time frame: 26 weeks). The study lists 2 primary outcomes in all. 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 NCT02635698, which also lists 1 linked publication.

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 13 Nov 2017.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in
Opti-WIN Clinical Trial NCT02635698 | AzTrials