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Drug Safety-related Labeling Changes (SrLC)

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CINQAIR (BLA-761033)

(RESLIZUMAB)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

Download Data

01/09/2019 (SUPPL-10)

Approved Drug Label (PDF)

6 Adverse Reactions

6.2 Immunogenicity

(additions underlined)

As with all therapeutic proteins, there is a potential for immunogenicity. In placebo-controlled studies, a treatment-emergent anti-reslizumab antibody response developed in 53/983 (5.4%) of CINQAIR-treated patients (3 mg/kg). In the long-term, open-label study, treatment-emergent anti-reslizumab antibodies were detected in 49/1014 (4.8%) of CINQAIR-treated (3 mg/kg) asthma patients over 36 months. The antibody responses were of low titer and often transient. Neutralizing antibodies were not evaluated. There was no detectable impact of the antibodies on the clinical pharmacokinetics, pharmacodynamics, clinical efficacy, and safety of CINQAIR.  Product-specific IgE antibodies were not detected in patients who reported anaphylactic reactions.