Adverse events18

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

1 to 18 of 18

Type	Event	Organ system	Group	Affected	At risk	Events
other	Chest pain	Cardiac disorders	Placebo	1	22	1
other	Chest pain	Cardiac disorders	Flecainide	0	22	0
other	Dyspnea	Cardiac disorders	Placebo	1	22	1
other	Dyspnea	Cardiac disorders	Flecainide	0	22	0
other	Headache	Nervous system disorders	Placebo	0	22	0
other	Headache	Nervous system disorders	Flecainide	1	22	1
other	Nausea	Gastrointestinal disorders	Placebo	1	22	1
other	Nausea	Gastrointestinal disorders	Flecainide	0	22	0
other	Palpitations	Cardiac disorders	Placebo	2	22	2
other	Palpitations	Cardiac disorders	Flecainide	0	22	0
other	Syncope	Cardiac disorders	Placebo	0	22	0
other	Syncope	Cardiac disorders	Flecainide	1	22	1
other	Paresthesia	Nervous system disorders	Placebo	1	22	1
other	Paresthesia	Nervous system disorders	Flecainide	0	22	0
other	Hot flashes	General disorders	Placebo	1	22	1
other	Hot flashes	General disorders	Flecainide	0	22	0
serious	Ventricular tachycardia requiring implantabale cardioverter defibrillator (ICD) therapy	Cardiac disorders	Placebo	1	22	2
serious	Ventricular tachycardia requiring implantabale cardioverter defibrillator (ICD) therapy	Cardiac disorders	Flecainide	1	22	2

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/NCT03685149/events