Participant flow12

How many started, completed or left each group, period by period.

1 to 12 of 12

Period	Milestone	Group	Participants
Overall Study	STARTED	Varenicline	1,192
Overall Study	STARTED	Bupropion	1,166
Overall Study	STARTED	Nicotine Replacement Therapy (NRT) Patch	1,116
Overall Study	STARTED	Placebo	1,121
Overall Study	COMPLETED	Varenicline	1,067
Overall Study	COMPLETED	Bupropion	1,054
Overall Study	COMPLETED	Nicotine Replacement Therapy (NRT) Patch	1,011
Overall Study	COMPLETED	Placebo	1,007
Overall Study	NOT COMPLETED	Varenicline	125
Overall Study	NOT COMPLETED	Bupropion	112
Overall Study	NOT COMPLETED	Nicotine Replacement Therapy (NRT) Patch	105
Overall Study	NOT COMPLETED	Placebo	114

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
ClinicalTrials.govNo license stated
NIH RePORTER's clinical studies and project filesPublic domain

Each source's terms

ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
ClinicalTrials.govnone stated
NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Twenty rows a page, as JSON. No key.

GET https://conductscience.org/api/trials/v1/NCT01574703/flow