Adverse events120

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

1 to 20 of 120

Type	Event	Organ system	Group	Affected	At risk
other	Anaemia	Blood and lymphatic system disorders	Placebo (Placebo-controlled Phase)	0	34
other	Anaemia	Blood and lymphatic system disorders	Natalizumab 300 mg (Placebo- Controlled Phase)	2	32
other	Anaemia	Blood and lymphatic system disorders	Placebo to Natalizumab 300 mg (Open-label Phase)	0	31
other	Anaemia	Blood and lymphatic system disorders	Natalizumab 300 mg to Natalizumab 300 mg (Open-label Phase)	0	30
other	Vision blurred	Eye disorders	Placebo (Placebo-controlled Phase)	1	34
other	Vision blurred	Eye disorders	Natalizumab 300 mg (Placebo- Controlled Phase)	2	32
other	Vision blurred	Eye disorders	Placebo to Natalizumab 300 mg (Open-label Phase)	0	31
other	Vision blurred	Eye disorders	Natalizumab 300 mg to Natalizumab 300 mg (Open-label Phase)	0	30
other	Nausea	Gastrointestinal disorders	Placebo (Placebo-controlled Phase)	1	34
other	Nausea	Gastrointestinal disorders	Natalizumab 300 mg (Placebo- Controlled Phase)	3	32
other	Nausea	Gastrointestinal disorders	Placebo to Natalizumab 300 mg (Open-label Phase)	0	31
other	Nausea	Gastrointestinal disorders	Natalizumab 300 mg to Natalizumab 300 mg (Open-label Phase)	2	30
other	Vomiting	Gastrointestinal disorders	Placebo (Placebo-controlled Phase)	1	34
other	Vomiting	Gastrointestinal disorders	Natalizumab 300 mg (Placebo- Controlled Phase)	2	32
other	Vomiting	Gastrointestinal disorders	Placebo to Natalizumab 300 mg (Open-label Phase)	0	31
other	Vomiting	Gastrointestinal disorders	Natalizumab 300 mg to Natalizumab 300 mg (Open-label Phase)	0	30
other	Fatigue	General disorders	Placebo (Placebo-controlled Phase)	2	34
other	Fatigue	General disorders	Natalizumab 300 mg (Placebo- Controlled Phase)	1	32
other	Fatigue	General disorders	Placebo to Natalizumab 300 mg (Open-label Phase)	0	31
other	Fatigue	General disorders	Natalizumab 300 mg to Natalizumab 300 mg (Open-label Phase)	0	30

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/NCT03283371/events

API reference For AI assistants

Adverse events120

Sources 3

Read this list from software.