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	Novartis MenACWY Vaccine (11 to 18 Years)	1,640
Overall Study	STARTED	Licensed Meningococcal Vaccine (11 to 18 Years)	540
Overall Study	STARTED	Novartis MenACWY Vaccine (19 to 55 Years)	1,023
Overall Study	STARTED	Licensed Meningococcal Vaccine (19 to 55 Years)	336
Overall Study	COMPLETED	Novartis MenACWY Vaccine (11 to 18 Years)	1,594
Overall Study	COMPLETED	Licensed Meningococcal Vaccine (11 to 18 Years)	524
Overall Study	COMPLETED	Novartis MenACWY Vaccine (19 to 55 Years)	999
Overall Study	COMPLETED	Licensed Meningococcal Vaccine (19 to 55 Years)	325
Overall Study	NOT COMPLETED	Novartis MenACWY Vaccine (11 to 18 Years)	46
Overall Study	NOT COMPLETED	Licensed Meningococcal Vaccine (11 to 18 Years)	16
Overall Study	NOT COMPLETED	Novartis MenACWY Vaccine (19 to 55 Years)	24
Overall Study	NOT COMPLETED	Licensed Meningococcal Vaccine (19 to 55 Years)	11

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/NCT00450437/flow