European journal of clinical pharmacology · 2009
Stronger association of drug-induced progressive multifocal leukoencephalopathy (PML) with biological immunomodulating agents.
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Piccinni Carlo, Sacripanti Chiara, Poluzzi Elisabetta, Motola Domenico, Magro Lara, Moretti Ugo, Conforti Anita, Montanaro Nicola
Аннотация
AIM: The aim of the present study was to collect and compare cases of drug-induced PML in order to contribute to the debate about the role of the underlying diseases and/or drug immunosuppression in PML occurrence.
METHODS: We searched for drug-induced PML cases in two international spontaneous adverse drug reaction (ADR) report databases, FDA-AERS and WHO-VigiBase. From MEDLINE, we retrieved case reports and case series containing the MESH term "leukoencephalopathy, progressive multifocal/chemically induced". In order to assess the PML-drug relationship, we analysed drug-reaction pairs in terms of the patients' underlying diseases and co-suspected drugs.
RESULTS: Overall, 214 cases in FDA-AERS, 118 in WHO-VigiBase and 140 in MEDLINE were collected. Therapeutic groups more frequently involved in PML cases were monoclonal antibodies (MAbs), conventional immunosuppressive drugs and anti-HIV drugs. The most frequent underlying diseases were lymphoproliferative diseases (28%), autoimmune disorders (20%) and transplants (10%). MAbs were more often reported in cases where they were the only suspected drugs, whereas for the other therapeutic groups, concomitant drugs were reported.
CONCLUSIONS: We found a strong relationship between PML and MAbs, especially when used in autoimmune diseases. PML is becoming a crucial issue of MAbs, since they can cause severe ADRs through the imbalance of the immune system. Based on these results, patients treated with MAbs should be carefully monitored for early signs and symptoms of PML.
METHODS: We searched for drug-induced PML cases in two international spontaneous adverse drug reaction (ADR) report databases, FDA-AERS and WHO-VigiBase. From MEDLINE, we retrieved case reports and case series containing the MESH term "leukoencephalopathy, progressive multifocal/chemically induced". In order to assess the PML-drug relationship, we analysed drug-reaction pairs in terms of the patients' underlying diseases and co-suspected drugs.
RESULTS: Overall, 214 cases in FDA-AERS, 118 in WHO-VigiBase and 140 in MEDLINE were collected. Therapeutic groups more frequently involved in PML cases were monoclonal antibodies (MAbs), conventional immunosuppressive drugs and anti-HIV drugs. The most frequent underlying diseases were lymphoproliferative diseases (28%), autoimmune disorders (20%) and transplants (10%). MAbs were more often reported in cases where they were the only suspected drugs, whereas for the other therapeutic groups, concomitant drugs were reported.
CONCLUSIONS: We found a strong relationship between PML and MAbs, especially when used in autoimmune diseases. PML is becoming a crucial issue of MAbs, since they can cause severe ADRs through the imbalance of the immune system. Based on these results, patients treated with MAbs should be carefully monitored for early signs and symptoms of PML.
Предметные рубрики MeSH
Adverse Drug Reaction Reporting SystemsAlemtuzumabAnti-HIV AgentsAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedAntibodies, Monoclonal, Murine-DerivedAntibodies, NeoplasmAutoimmune DiseasesBiological ProductsBiological TherapyFemaleHumansImmunologic FactorsImmunomodulationImmunosuppressive AgentsLeukoencephalopathy, Progressive MultifocalLymphoproliferative DisordersMaleProduct Surveillance, PostmarketingRetrospective StudiesRituximabTransplantation