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Self-Monitoring of Carbon Monoxide to Enhance Reproductive Outcomes in Women

Self-Monitoring of Carbon Monoxide to Enhance Reproductive Outcomes in Women

Status
Terminated
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02246114
Enrollment
1
Registered
2014-09-22
Start date
2014-09-30
Completion date
2015-05-31
Last updated
2017-01-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pregnancy, Smoking, Smoking Cessation

Keywords

Pregnancy, Smoking, Smoking cessation

Brief summary

Our goal is to study self-monitoring of smoking as a means to reduce smoking in pregnant women. Investigators hypothesize that more regular self-monitoring, text messages and feedback as provided by home carbon monoxide monitoring device combined with medical feedback on results will reduce smoking during pregnancy compared to only receiving text message and no self-monitoring by home monitoring device and no feedback by home carbon monoxide monitoring device . The periconceptual period is a life period, where given the immediacy of the fetus and future child, a pregnant woman is willing to try and modify potentially harmful behaviors.

Detailed description

Altering unhealthy behaviors, such as tobacco smoking, that increase cardiovascular disease and cancer risk, has proven remarkably difficult in traditional medical practice settings, and successful medical trials have been costly and labor intensive. This proposal aims to utilize a self-monitoring device, i.e., carbon monoxide monitor to foster smoking cessation among pregnant women who smoke. Investigators hypothesize that women who have access to a self-monitoring device more frequently (i.e., at home) and receive feedback about their carbon monoxide level will have greater reductions in smoking as determined by declining serum cotinine levels over the course of the study compared to women who do not have access to a self-monitoring device and do not receive feedback about their carbon monoxide level, but only receive text messages.

Interventions

DEVICEpiCO+ Smokerlyzer® monitor
OTHERText messages

Sponsors

Penn State University
CollaboratorOTHER
Milton S. Hershey Medical Center
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 40 Years
Healthy volunteers
Yes

Inclusion criteria

* Pregnant women 18-40 years old * Participants will be pregnant women estimated to be between 6 and 20 weeks into their pregnancy * Pregnant women have smoked at least at least one cigarette in the prior 7 days * Own a smartphone capable of delivering and receiving text messages

Exclusion criteria

* Project materials and text messages are in English, potential participants will be excluded if they cannot read English and if there are concerns about the ability to comprehend or comply with study procedures

Design outcomes

Primary

MeasureTime frameDescription
Primary Outcome of Serum Cotinine Levels1 yearThe primary outcome is the difference in serum cotinine levels between the intervention and control groups at the end of the trial.

Countries

United States

Participant flow

Participants by arm

ArmCount
Arm A
no CO monitor
1
Arm B
CO monitor
0
Total1

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall Studymiscarriage10

Baseline characteristics

CharacteristicArm ATotal
Age, Continuous32 years32 years
Gender
Female
1 Participants1 Participants
Gender
Male
0 Participants0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
1 / 10 / 0
serious
Total, serious adverse events
0 / 10 / 0

Outcome results

Primary

Primary Outcome of Serum Cotinine Levels

The primary outcome is the difference in serum cotinine levels between the intervention and control groups at the end of the trial.

Time frame: 1 year

Population: Only 1 subject enrolled in this study and she terminated early due to miscarriage at 9 weeks.

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026