Preliminary Effectiveness of Enhanced Text Message + Incentives

NCT07420621 | Recruiting

• 1 other identifier: STUDY00149204
• Study Type: interventional
• Target: 30
• Locations: 1 country
• Sites: 1

Brief Summary

This study is a preliminary evaluation of a smoking cessation intervention designed for pregnant women that combines text message support and financial incentives. The aims of this study are to determine the preliminary feasibility and acceptability of text message + incentives (intervention) vs. text message only (control).

Conditions

Smoking Cessation; Pregnancy

Keywords

Smoking Cessation; Maternal Health

Outcome Measures

Primary Outcomes (2)

• Feasibility of Intervention

  Retention rate.

  4 weeks post-randomization

• Acceptability of Intervention

  Participant ratings of acceptability.

  4 weeks post-randomization

Secondary Outcomes (1)

• Smoking Abstinence

  4 weeks post-randomization

Study Arms (2)

Text Messaging + Incentives

EXPERIMENTAL

Participants in this arm will receive a combination of text messages designed to support smoking cessation and escalating financial incentives contingent on biochemically-verified smoking abstinence (exhaled carbon monoxide).

Behavioral: Text Messages; Behavioral: Incentives

Text Messaging Only

ACTIVE COMPARATOR

Participants in this arm will receive the same text messaging program as in Arm 1, but without the financial incentives contingent on abstinence.

Behavioral: Text Messages

Interventions

Text Messages BEHAVIORAL

Intervention Component - Text messages (SmokeFreeTXT library with pregnancy related messages) participants will receive scheduled messages to support quitting and prevent relapse.

Text Messaging + Incentives; Text Messaging Only

Incentives BEHAVIORAL

Incentives for abstinence - Weeks 1-4; 8; 12: Twice daily CO assessments with verification sent via text-message. Participants will receive daily incentives ranging each day of smoking abstinence.

Text Messaging + Incentives

Eligibility Criteria

• Age: 18 Years+
• Sex: female
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• Pregnant women aged: 18+
• Enrolled in the Special Supplemental Nutrition Program for women, Infants, and Children (WIC) or Medicaid (or applied/applying)
• Self-reported current daily smokers
• Able to communicate in English
• Access to a mobile phone capable of receiving text messages

You may not qualify if:

• Not at all interested in quitting
• Smoke less than 24 days in the past month
• Greater than 30 weeks gestation

Sponsors & Collaborators

• University of Kansas Medical Center: lead
• National Institute of General Medical Sciences (NIGMS): collaborator

Study Sites (1)

University of Kansas Medical Center

Kansas City, Kansas, 66160, United States

RECRUITING

MeSH Terms

Conditions

Smoking Cessation

Interventions

Fertility

Condition Hierarchy (Ancestors)

Health Behavior; Behavior

Intervention Hierarchy (Ancestors)

Reproductive Physiological Phenomena; Reproductive and Urinary Physiological Phenomena

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Purpose: TREATMENT
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: February 12, 2026
• First Posted: February 19, 2026
• Study Start: April 9, 2026
• Primary Completion: June 1, 2026
• Study Completion (Estimated): August 1, 2026
• Last Updated: April 17, 2026

Record last verified: 2026-04

Locations

US (1)