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Risk Factors and Outcomes of Immune-Mediated Encephalitis Following Exposure to Nivolumab

Case Series Analyses of the Risk Factors and Outcomes of Immune-Mediated Encephalitis Following Exposure to Nivolumab

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT02856451
Enrollment
486
Registered
2016-08-04
Start date
2015-12-09
Completion date
2020-12-31
Last updated
2022-06-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Encephalitis

Brief summary

A case series analysis of encephalitis events reported to the Sponsor for patients treated with nivolumab to assess the risk factors and outcomes of immune-mediated encephalitis.

Interventions

BIOLOGICALNivolumab

Specified dose on specified days

Sponsors

Bristol-Myers Squibb
Lead SponsorINDUSTRY

Study design

Observational model
CASE_ONLY
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Moderate, severe, life-threatening or fatal encephalitis events occurring in patients treated with nivolumab and reported to the Sponsor

Exclusion criteria

* Encephalitis cases identified through literature reviews and not reported to the Sponsor * Encephalitis cases identified from company-sponsored observational studies with secondary data collection * Spontaneous reports not submitted directly to the Sponsor Other protocol-defined inclusion/

Design outcomes

Primary

MeasureTime frameDescription
Outcomes of Encephalitis1 yearTime since onset of immune-mediated encephalitis to the date of outcome assessment (days) and outcomes defined as: resolved, resolving, death, physical disability (specified), cognitive disability (specified)
Risk factors of Encephalitis1 yearPotential risk factors include but are not limited to medical history including event associated signs/symptoms, and data from brain imaging diffusion, results from lumbar puncture analyses, results from serum sample analyses and results from neurologic examinations

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026