Participant flow12

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

1 to 12 of 12

Period	Milestone	Group	Participants
Primary Analysis: Live Birth	STARTED	Folic Acid and Zinc Supplementation	1,185
Primary Analysis: Live Birth	STARTED	Placebo	1,185
Primary Analysis: Live Birth	COMPLETED	Folic Acid and Zinc Supplementation	1,185
Primary Analysis: Live Birth	COMPLETED	Placebo	1,185
Primary Analysis: Live Birth	NOT COMPLETED	Folic Acid and Zinc Supplementation	0
Primary Analysis: Live Birth	NOT COMPLETED	Placebo	0
Secondary Analysis: Semen Quality at 6m	STARTED	Folic Acid and Zinc Supplementation	1,185
Secondary Analysis: Semen Quality at 6m	STARTED	Placebo	1,185
Secondary Analysis: Semen Quality at 6m	COMPLETED	Folic Acid and Zinc Supplementation	870
Secondary Analysis: Semen Quality at 6m	COMPLETED	Placebo	903
Secondary Analysis: Semen Quality at 6m	NOT COMPLETED	Folic Acid and Zinc Supplementation	315
Secondary Analysis: Semen Quality at 6m	NOT COMPLETED	Placebo	282

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/NCT01857310/flow