Adverse events75

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

1 to 20 of 75

Type	Event	Organ system	Group	Affected	At risk
other	Palpitations	Cardiac disorders	Fentanyl Infusion	0	13
other	Palpitations	Cardiac disorders	Nalmefene Hydrochloride (HCl) Injection	4	23
other	Palpitations	Cardiac disorders	Narcan Intranasal	0	24
other	Tinnitus	Ear and labyrinth disorders	Fentanyl Infusion	0	13
other	Tinnitus	Ear and labyrinth disorders	Nalmefene Hydrochloride (HCl) Injection	4	23
other	Tinnitus	Ear and labyrinth disorders	Narcan Intranasal	0	24
other	Ear discomfort	Ear and labyrinth disorders	Fentanyl Infusion	0	13
other	Ear discomfort	Ear and labyrinth disorders	Nalmefene Hydrochloride (HCl) Injection	3	23
other	Ear discomfort	Ear and labyrinth disorders	Narcan Intranasal	0	24
other	Nausea	Gastrointestinal disorders	Fentanyl Infusion	1	13
other	Nausea	Gastrointestinal disorders	Nalmefene Hydrochloride (HCl) Injection	6	23
other	Nausea	Gastrointestinal disorders	Narcan Intranasal	5	24
other	Dyspepsia	Gastrointestinal disorders	Fentanyl Infusion	0	13
other	Dyspepsia	Gastrointestinal disorders	Nalmefene Hydrochloride (HCl) Injection	2	23
other	Dyspepsia	Gastrointestinal disorders	Narcan Intranasal	2	24
other	Vomitting	Gastrointestinal disorders	Fentanyl Infusion	0	13
other	Vomitting	Gastrointestinal disorders	Nalmefene Hydrochloride (HCl) Injection	3	23
other	Vomitting	Gastrointestinal disorders	Narcan Intranasal	1	24
other	Feeling hot	General disorders	Fentanyl Infusion	1	13
other	Feeling hot	General disorders	Nalmefene Hydrochloride (HCl) Injection	11	23

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

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

Read this list from software.

Twenty rows a page, as JSON. No key.

GET https://conductscience.org/api/trials/v1/NCT06719986/events