CClinicalTrials.gg
CompletedNCT03885336SCORUpdated Apr 20, 2023

Couples Dynamics and Smoking Cessation

An observational study in Smoking, Smoking Cessation and Cessation, Smoking, sponsored by University of Southern California. Completed at 1 site in United States. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2023-04-20.

Sponsored by University of Southern California · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
212
Ages
18 Years to 65 Years
Sex
All
01

Study summary

This study is about investigating smoking and attempts to quit smoking in couples. Participation will help determine better treatment efforts for couples who want to quit smoking. All study procedures will be conducted remotely, allowing couples to interact with study personnel through zoom.

02

Conditions studied

  • Smoking
  • Smoking Cessation
  • Cessation, Smoking
  • Smoking Behaviors
  • Smoking, Cigarette
03

In context

Lead sponsor

University of Southern California is the lead sponsor of 773 studies on the registry; 135 are open to participants now.

Of its 68 completed or terminated interventional studies of FDA-regulated products, 32 (47%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Participants may live through the United States.

Inclusion criteria

  • Couples must be in a relationship for more than 6 months with no plans to separate or move in the next 30 days.
  • Participants must smoke at least 5 cigarettes per day for at least the past 2 years.

Exclusion criteria

Exclusion Criteria:

  • English non-fluency.
  • Currently pregnant, nursing, or intend to become pregnant within the next 6 months.
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
212 participants (actual)
Patient registry
No

Groups and cohorts

  • Both-Quit Group

    Couples in which both individuals smoke and both individuals would like to quit smoking.

    Other: No Interventions

Interventions

  • OtherNo Interventions

    There are no interventions in this study. Participants are observed.

06

What researchers measure

Primary outcomes

  1. Cigarette Craving

    This measure is obtained through the completion of the Brief Questionnaire of Smoking Urges.

    Time frame: Throughout study completion, an average of 28 days

  2. Confidence in Quit Attempt

    This measure is obtained through the completion of the Abstinence Self-Efficacy Questionnaire.

    Time frame: Throughout study completion, an average of 28 days

  3. Mood

    This measure is obtained through the completion of the Profile of Mood States Questionnaire.

    Time frame: Throughout study completion, an average of 28 days

07

Study locations

1 site
  • University of Southern California
    Los Angeles, California 90033, United States
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 20, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03885336
Lead sponsor
University of Southern California
Collaborators
American Cancer Society, Inc.
Responsible party
Matthew Kirkpatrick (Assistant Professor, University of Southern California) — Principal investigator
First posted
Mar 21, 2019
Start date
Aug 26, 2018
Primary completion
Dec 31, 2022
Completion
Dec 31, 2022
Last update
Apr 20, 2023

Study contacts

Matthew Kirkpatrick, PhD
principal investigator · University of Southern California

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2023. You cannot join it, but the record below documents what was studied.

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