Adults 18 to 50, female only, with Smoking Cessation. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
AcceptabilityPrimary· 3 and 9 months
Primary Outcome - Acceptability of the delivery of financial incentives for smoking abstinence in postpartum women through a smartphone platform as compared to traditional, in office contingency management. Acceptability of the smartphone application to low-income, pregnant women defined by the percentage of women who would recommend the site to a friend.
Question: "How likely is it that you would recommend MoMba LiveLong to a friend who wants to stop smoking?"
3 month follow-up assessment
Group
Value
95% CI
MoMba Contingency Management
0
Office Contingency Management
0
MoMba Contingency Management
1
Office Contingency Management
0
MoMba Contingency Management
0
Office Contingency Management
0
MoMba Contingency Management
0
Office Contingency Management
2
9-month follow-up assessment
Group
Value
95% CI
MoMba Contingency Management
0
Office Contingency Management
0
MoMba Contingency Management
0
Office Contingency Management
0
MoMba Contingency Management
1
Office Contingency Management
1
MoMba Contingency Management
0
Office Contingency Management
2
Enrollment RatePrimary· 15 months
Primary Outcome - Feasibility of the delivery of financial incentives for smoking abstinence in postpartum women through a smartphone platform as compared to traditional, in office contingency management. Feasibility: participation rate of \> 60% for eligible women between screening and enrollment. Number of women who were eligible from screening that completed an intake.
Group
Value
95% CI
Eligible From Screening
26
Remote DetectionPrimary· 15 months
Primary outcome is the correlation coefficient. The correlation coefficient was calculated between the piCO+™ and the Sensordrone™ specific to expired CO measurement and verified through urine cotinine levels. Data for all three instruments was collected during week 1 visits 1-5, 3 month, 9 month and 15 month assessments.
Sensordrone and Pico
Group
Value
95% CI
MoMba Contingency Management
0.93
Office Contingency Management
0.87
Sensordrone and Urine
Group
Value
95% CI
MoMba Contingency Management
0.76
Office Contingency Management
0.66
Pico and Urine
Group
Value
95% CI
MoMba Contingency Management
0.81
Office Contingency Management
0.67
Retention: Number of Participants Remaining in Study at 12 WeeksPrimary· 15 months
Primary Outcome - Feasibility of the delivery of financial incentives for smoking abstinence in postpartum women through a smartphone platform as compared to traditional, in office contingency management. Feasibility: retention set at 80% for the Momba Smoking group. Number of participants in the intervention group (MoMba Contingency Management) and number of participants in the control group (office contingency management) who remained in the study at the end of contingency management (12 weeks).
Primary Outcome - Feasibility of the delivery of financial incentives for smoking abstinence in postpartum women through a smartphone platform as compared to traditional, in office contingency management. Feasibility: challenge completion and in-office visit attendance to assess compliance.
MoMba Contingency Management: Number of breath tests completed among participants who remained enrolled at the end of 12 weeks.
Office Contingency Management: Number of breath tests (corresponds to office visits) completed among participants who remained enrolled at the end of 12 weeks.
Group
Value
95% CI
MoMba Contingency Management
16
15 – 22
Office Contingency Management
21.5
20 – 23
Number of Participants With Short Term Abstinence From SmokingSecondary· 3 months
Secondary outcome - Short term abstinence from smoking. Immediate smoking prevalence as determined by # of negative breath tests and self-reports; the pilot will also utilize urine tests to measure negative cotinine levels.
Number of negative breath tests using Sensordrone
Group
Value
95% CI
MoMba Contingency Management
2
Office Contingency Management
2
Number of negative breath tests using piCO
Group
Value
95% CI
MoMba Contingency Management
3
Office Contingency Management
2
Self-report (no smoking cigs in past 7 days)
Group
Value
95% CI
MoMba Contingency Management
3
Office Contingency Management
1
Urine test (<50ng)
Group
Value
95% CI
MoMba Contingency Management
3
Office Contingency Management
1
Number of Participants With Long Term Abstinence From Smoking at 9 Month Follow-UpSecondary· 9 months
Secondary outcome - Long term abstinence from smoking equals 7-day point prevalence determined through # of negative breath tests and self-reports based on the Timeline Follow Back.
Number of negative breath tests using Sensordrone
Group
Value
95% CI
MoMba Contingency Management
2
Office Contingency Management
2
Number of negative breath tests using the piCO
Group
Value
95% CI
MoMba Contingency Management
3
Office Contingency Management
3
Last 7 days no smoking (from timeline followback)
Group
Value
95% CI
MoMba Contingency Management
1
Office Contingency Management
0
Number of Participants With Long Term Abstinence From Smoking at 15 Month Follow-UpSecondary· 15 months
Secondary outcome - Long term abstinence from smoking equals 7-day point prevalence determined through # of negative breath tests and self-reports based on the Timeline Follow Back.
Number of negative breath tests using Sensordrone
Group
Value
95% CI
MoMba Contingency Management
3
Office Contingency Management
4
Number of negative breath tests using the piCO
Group
Value
95% CI
MoMba Contingency Management
3
Office Contingency Management
4
Last 7 days no smoking (from timeline followback)
Group
Value
95% CI
MoMba Contingency Management
1
Office Contingency Management
0
Sponsor's own description
Through a smartphone platform, financial incentives for smoking abstinence in postpartum women can be delivered remotely, thus minimizing the need for participants to come to the office to receive traditional contingency management.
Publications & conference data
4 peer-reviewed publications reference this trial (live from Europe PMC):
NCT07420621 — Preliminary Effectiveness of Enhanced Text Message + Incentives
· NA
· recruiting
NCT07224087 — Development of a MHBC Intervention for Weight Loss and Smoking Cessation for Pre-Bariatric Surgery Patients
· Phase 1
· recruiting
NCT07331519 — Integrating Smoking Cessation With Low-dose CT-screening for Lung Cancer
· NA
· recruiting
NCT07210567 — Mindfulness-based Ecological Momentary Intervention for Smoking Cessation Among Cancer Survivors
· NA
· recruiting
NCT07129590 — Trauma-Informed Care for Smoking Cessation for Pregnancy
· NA
· recruiting
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Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Yale University
Last refreshed: 21 May 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT02237898.