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	Aspirin Only	9,968
Overall Study	STARTED	Vitamin E Only	9,971
Overall Study	STARTED	Aspirin + Vitamin E	9,966
Overall Study	STARTED	Both Placebos	9,971
Overall Study	COMPLETED	Aspirin Only	9,968
Overall Study	COMPLETED	Vitamin E Only	9,971
Overall Study	COMPLETED	Aspirin + Vitamin E	9,966
Overall Study	COMPLETED	Both Placebos	9,971
Overall Study	NOT COMPLETED	Aspirin Only	0
Overall Study	NOT COMPLETED	Vitamin E Only	0
Overall Study	NOT COMPLETED	Aspirin + Vitamin E	0
Overall Study	NOT COMPLETED	Both Placebos	0

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/NCT00000479/flow