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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04985903
Other study ID # Pro00106131
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 25, 2022
Est. completion date June 1, 2025

Study information

Verified date May 2024
Source Duke University
Contact Kathryn I Pollak, PhD
Phone 919-668-4376
Email kathryn.pollak@duke.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators propose to conduct a combined intervention that pairs SMS smoking cessation messages for patients with individualized training for OB clinicians to improve quit rates among pregnant smoking. The aim is to determine the effect of the intervention versus control on smoking cessation outcomes on patient smoking cessation. The investigators will recruit patients at their first OB visit who report smoking at Duke and Pitt. Patients in both the control and intervention arm will receive smoking cessation support messages throughout their pregnancy. OB clinicians in the intervention arm will receive tailored smoking cessation counseling training. Clinicians in both arms will receive a one-time 5 A lecture. The investigators will analyze smoking cessation outcomes and audio recordings. This is a minimal risk study.


Description:

The investigators propose a two-arm cluster randomized controlled design, in which the unit of randomization is the OB clinician. 70 OB clinicians will be randomly assigned to either the intervention or control condition. Although the unit of randomization is the clinician, the unit of evaluation is the patient: range of 6-13 patients per clinician (1-3 Pre-intervention and 5-10 Post-intervention) who receive prenatal care from enrolled OB clinicians at Duke and UPitt. The investigators will collect 3 Pre-Intervention audio-recorded initial OB visit encounters to assess pre-intervention levels of clinician communication skills and also to tailor the clinician training program. After the Pre-Intervention Phase, the investigators will randomize OB clinicians to either the intervention or control arm (see details of cluster randomization below). All OB clinicians will attend a lecture about the consequences of smoking during pregnancy and the elements of the 5 A's. Only OB clinicians randomized to the intervention arm will receive an individually-tailored, user-friendly, web-based program that teaches the 5 A's. In the Post-Intervention Phase, the investigators will assess the effect of the communication program by audio recording initial OB visits for between 5-10 pregnant women who smoke for each OB clinician in both arms (n=542 total). The investigators will provide all patients the SMS text-delivered intervention. Additionally, the investigators will survey these patients before their visit, immediately after their visit, at the end-of-pregnancy, and 6-weeks postpartum. Due to anticipated study attrition, the investigators will recruit up 80 clinicians and 700 patients at both sites until the investigators reach a complete data set for our desired sample size. Biochemically validated smoking cessation at end-of-pregnancy is the primary outcome (Aim 1). To assess Aim 2, investigators will code for clinician use of the 5 A's in the audio-recorded encounters and analyze patient perceptions of the communication from post-encounter data and the post-study survey for clinicians. To assess Aim 3, investigators will collect smoking status at 6 weeks postpartum.


Recruitment information / eligibility

Status Recruiting
Enrollment 840
Est. completion date June 1, 2025
Est. primary completion date June 1, 2025
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - =18 years old - Receiving prenatal care from an enrolled OB clinician - Self-report smoking tobacco at their first OB visit - Access to a cell phone with texting capabilities Exclusion Criteria: - Unable to speak and read English

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Clinician Communication Intervention
The focus of the communication program is to help clinicians increase their use of the 5 A's by improving knowledge, self-efficacy, outcome expectations, and communication skills. Training modules include didactic information with video clips of sample conversations showing specific communication skills, feedback on clinician's usage of the 5A's, and audio clips from their Pre-Intervention recorded conversations.
Other:
5A's lecture
a lecture on general information about smoking cessation for pregnant patients and smoking cessation counseling.

Locations

Country Name City State
United States Durham OB Durham North Carolina

Sponsors (2)

Lead Sponsor Collaborator
Duke University University of Pittsburgh

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of Patients in the Post-Intervention Phase With Validated Cessation Biochemically validated (urine cotinine) 7-day point prevalent as defined by urine cotinine levels below 50ng/ML. End-of-pregnancy, up to 45 minutes
Secondary Number of A's performed in the Post-Intervention Phase for each Clinician Obtained by coding 11 recordings of patient encounters in the Post-Intervention Phase. We will follow a codebook to assess the number of A's performed in the Post-Intervention visits for each clinician. Coders will also assess whether each Advice segment is clear, strong, or personalized. We will assign advice a score of 0-3 with a score of 3 indicating highest quality of advice. Post-intervention recordings (all recording will happen prior to giving birth), up to 12 weeks
Secondary Mean rated autonomy support for each Post-intervention patient 6-item Health care climate questionnaire Baseline, up to 15 minutes
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