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Completed

NCT Number: NCT00563329

Smoking Reduction Intervention for Smokers Not Willing to Quit Smoking: a Randomised Control Trial

The aims of this study are (1) to examine the effect of smoking reduction intervention (reduction counseling and nicotine replacement therapy, NRT) (a) on smoking cessation and (b) on reducing daily cigarette consumption among smokers not willing to quit smoking but want to reduce smoking, and (2) to examine the effect of adherence intervention in producing a higher (a) adherence rate, (b) reduction rate, and (c) quit rate.

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Key information

Conditions

Smoking Cessation Behavior Health Behavior

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

HAHO, Hong Kong, China

Loading trial locations.

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age 18 or above
  • Ethnic Chinese male or female
  • Smokes at least 2 cigarettes per day
  • Have no intention to quit in the near future
  • Intends to reduce smoking in the next 7 days
  • Has no contraindication to NRT

Exclusion criteria

  • Subjects who are psychologically or physically unable to communicate
  • Children and teenagers (age below 18)
  • Pregnant or intention to become pregnant within the next 6 months
  • Those on regular psychotropic medications and in the presence of any serious health problems that may make them unsuitable for using NRT, such as recent stroke, palpitation, or other life threatening conditions

Treatment and study plan

Reduction Intervention + Adherence Intervention

Procedure

Reduction Intervention

Behavioral

Control

Procedure

Primary outcomes

  1. quit rate

    Time frame: 6 months

  2. Reduction Rate (reduction of cigarette consumption by at least 50% compared with baseline)

    Time frame: 6 months

  3. Adherence Rate to NRT

    Time frame: 4 weeks

Secondary outcomes

  1. Validated quit rate (by measuring exhaled CO and urinary cotinine level)

    Time frame: 6 months

  2. Quit rate without validation

    Time frame: 1 month

  3. self-reported use of NRT for at least 4 weeks or 8 weeks, without cotinine validation

    Time frame: 1 month / 3 month

Sponsors and collaborators

Lead sponsor

Hospital Authority, Hong Kong

Other Gov

Collaborators

  • The University of Hong Kong

Registry information

Important dates

Study start
2004
Study completion
2006
First posted
Nov 26, 2007
Registry last updated
Oct 23, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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