Adverse events20

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

1 to 20 of 20

Type	Event	Organ system	Group	Affected	At risk	Events
other	Nausea	Gastrointestinal disorders	Methylphenidate Transdermal System	14	145	14
other	Nausea	Gastrointestinal disorders	Placebo (PTS)	2	72	3
other	Upper respiratory tract infection	Infections and infestations	Methylphenidate Transdermal System	15	145	15
other	Upper respiratory tract infection	Infections and infestations	Placebo (PTS)	7	72	7
other	Weight decreased	Investigations	Methylphenidate Transdermal System	8	145	9
other	Weight decreased	Investigations	Placebo (PTS)	1	72	1
other	Decreased appetite	Metabolism and nutrition disorders	Methylphenidate Transdermal System	37	145	41
other	Decreased appetite	Metabolism and nutrition disorders	Placebo (PTS)	1	72	1
other	Dizziness	Nervous system disorders	Methylphenidate Transdermal System	8	145	8
other	Dizziness	Nervous system disorders	Placebo (PTS)	1	72	1
other	Headache	Nervous system disorders	Methylphenidate Transdermal System	18	145	20
other	Headache	Nervous system disorders	Placebo (PTS)	9	72	9
other	Insomnia	Psychiatric disorders	Methylphenidate Transdermal System	9	145	11
other	Insomnia	Psychiatric disorders	Placebo (PTS)	2	72	2
other	Irritability	Psychiatric disorders	Methylphenidate Transdermal System	16	145	16
other	Irritability	Psychiatric disorders	Placebo (PTS)	5	72	5
serious	syncope	Nervous system disorders	Methylphenidate Transdermal System	1	145	2
serious	syncope	Nervous system disorders	Placebo (PTS)	0	72	0
serious	negativism	Psychiatric disorders	Methylphenidate Transdermal System	0	145	0
serious	negativism	Psychiatric disorders	Placebo (PTS)	1	72	1

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/NCT00499863/events