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The Effect of a High Protein Diet Versus a Low Fat Diet on Body Weight After Smoking Cessation

Not Applicable
Completed
Conditions
Smoking
Overweight
Obesity
Registration Number
NCT01069458
Lead Sponsor
Oslo University Hospital
Brief Summary

The purpose of this study is to determine whether subjects following a high protein diet will gain less in weight after smoking cessation compared to subjects following a low fat diet due to the effects of protein on metabolic rate and hunger.

Detailed Description

Sustained smoking cessation is one of the most effective therapies to avoid premature morbidity and mortality. However, weight gain associated with nicotine withdrawal may attenuate some of the beneficial health effects and is cited as a major obstacle to quit smoking. The mechanism for the weight gain is not elucidated but reduced resting metabolic rate, reduced total energy expenditure, increased caloric intake and changes in fat metabolism may be involved. Elucidating effective strategies to prevent or reduce post-cessation weight gain may improve health outcomes of smoking cessation.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
122
Inclusion Criteria
  • Smoking 10 cigarettes per day, BMI 25-40
Exclusion Criteria
  • Recent change in weight, contra-indications to use varenicline, a medication to assist smoking cessation

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Body weight and waist circumference4 weeks, 3 months and 6 months after smoking cessation
Secondary Outcome Measures
NameTimeMethod
Resting metabolic rate, total energy expenditure, body composition, components of metabolic syndrome, eating behavior4 weeks

Trial Locations

Locations (1)

Department of Preventive Cardiology

🇳🇴

Oslo, Norway

Department of Preventive Cardiology
🇳🇴Oslo, Norway

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