Promoting Smoking Cessation and Reducing Weight Gain

May 12, 2016 updated by: National Heart, Lung, and Blood Institute (NHLBI)
To test whether a behavioral intervention could indeed achieve the dual goals of promoting smoking cessation and minimizing weight gain.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

BACKGROUND:

When the study began in 1995, more females were initiating cigarette smoking, and a growing proportion cited fear of gaining weight as a major reason for refusing to even attempt quitting smoking. It had not yet been possible, however, to prevent post- cessation weight gain through dieting or behavioral treatment without undermining abstinence from smoking. The investigators proposed that prior interventions had been unsuccessful because: (a) their weight management interventions were too complex; (b) the programs thwarted a need of the patient in nicotine withdrawal to eat hedonically appealing, high-carbohydrate snacks; and (c) the programs heightened patients' emphasis on weight control at the expense of their emphasis on smoking cessation by asking them to initiate weight control before or simultaneously with quitting smoking.

DESIGN NARRATIVE:

The investigators collected pilot data on a promising 16-week intervention that they called the LATE WEIGHT PLAN because it emphasized smoking cessation for the first half of treatment and integrated weight management for the last half. The weight management module included a pre-packaged meal plan; high-carbohydrate, low-fat snacks; and low-intensity aerobic exercise. All patients continued in the weight management phase of treatment, regardless of whether they had succeeded in quitting smoking or were preparing to make new quit attempts. Based on pilot findings, the investigators estimated the point prevalence of smoking cessation for the LATE WEIGHT PLAN group to be 74% at the end of treatment, with weight gain less than 5 lb. An EARLY WEIGHT PLAN group controlled for the timing of the intervention, using the same target quit smoking date and 16 week program but integrating the weight management module into the first 8 weeks of treatment. Like others, they found that EARLY weight management efforts, while they may have prevented weight gain, apparently did so at some cost to smoking cessation, which they estimated to be 42% at 4 months. Finally, a CESSATION ONLY group controlled for the presence of a weight management intervention, by dealing exclusively with smoking cessation for the entire 16 week program. The CESSATION ONLY group had attained the worst outcome in terms of weight control and an intermediate outcome in terms of abstinence at the end of treatment (50%). By randomizing 315 female smokers to the three treatments and comparing abstinence and weight gain after 4 months of treatment and 6 month follow-up (10 months), they tested whether a behavioral intervention could indeed achieve the dual goals of promoting smoking cessation and minimizing weight gain.

The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.

Study Type

Interventional

Phase

  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

No older than 100 years (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

A total of 315 female smokers.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

National Heart, Lung, and Blood Institute (NHLBI)

Investigators

  • Bonnie Spring, University of Illinois at Chicago

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 1995

Study Completion (Actual)

August 1, 1999

Study Registration Dates

First Submitted

June 9, 2005

First Submitted That Met QC Criteria

June 9, 2005

First Posted (Estimate)

June 10, 2005

Study Record Updates

Last Update Posted (Estimate)

May 13, 2016

Last Update Submitted That Met QC Criteria

May 12, 2016

Last Verified

June 1, 2005

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 184 (HAMBURGER STIFTUNG ZUR FÖRDERUNG DER KREBSBEKÄMPFUNG)
  • R01HL052577 (U.S. NIH Grant/Contract)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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