Adverse events12

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

1 to 12 of 12

Type	Event	Organ system	Group	Affected	At risk	Events
other	Indigestion	Gastrointestinal disorders	Tadalafil	2	14	2
other	Indigestion	Gastrointestinal disorders	Placebo	0	6	0
other	Urinary Tract Infection	Renal and urinary disorders	Tadalafil	0	14	0
other	Urinary Tract Infection	Renal and urinary disorders	Placebo	1	6	1
other	Diarrhea	Gastrointestinal disorders	Tadalafil	3	14	3
other	Diarrhea	Gastrointestinal disorders	Placebo	0	6	0
other	Headache	Nervous system disorders	Tadalafil	1	14	1
other	Headache	Nervous system disorders	Placebo	0	6	0
other	Back Pain	Musculoskeletal and connective tissue disorders	Tadalafil	1	14	1
other	Back Pain	Musculoskeletal and connective tissue disorders	Placebo	0	6	0
other	Syncope	Nervous system disorders	Tadalafil	1	14	1
other	Syncope	Nervous system disorders	Placebo	0	6	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/NCT01970176/events