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1.
Mult Scler Relat Disord ; 74: 104692, 2023 Jun.
Article in English | MEDLINE | ID: mdl-37099833

ABSTRACT

BACKGROUND: On May 2017, two generic drugs for fingolimod were introduced into the market in Israel, and most MS patients treated with Gilenya® (Novartis) were switched to fingolimod (Teva), or to Finolim (Rafa). In this study we analyzed the consequences of switching to generic fingolimod in a single MS center. METHODS: Study population included relapsing MS patients who were treated with Gilenya® for at least two year before May 2017, switched to generic fingolimod and remained on treatment for at least 2 years thereafter. Data before and after the switch were compared. RESULTS: Twenty-seven patients fulfilled the inclusion criteria (F = 20, RRMS=20, SPMS=7, average age 49±11.4 years, average disease duration=16.6 ± 7.6 years). Seventeen patients had to be switched back to the original Gilenya® due to intolerable new or worsening clinical adverse events (n = 9), clinical relapse (n = 1), clinical relapse with adverse events (n = 3), elevation of liver enzymes > X3 ULN (n = 3) and elevation of amylase (n = 1). Expanded Disability Status Scale (EDSS) score increased in 4 patients during the year before the switch, and in 12 patients during the year of treatment with generic fingolimod (p = 0.036). CONCLUSION: The tolerability, retention rate and probably efficacy of generic fingolimod seems to be lower than the original Gilenya®.


Subject(s)
Fingolimod Hydrochloride , Multiple Sclerosis, Relapsing-Remitting , Humans , Adult , Middle Aged , Fingolimod Hydrochloride/adverse effects , Immunosuppressive Agents/therapeutic use , Multiple Sclerosis, Relapsing-Remitting/drug therapy , Multiple Sclerosis, Relapsing-Remitting/chemically induced , Drugs, Generic/adverse effects , Recurrence , Treatment Outcome
2.
Acta Neurol Scand ; 146(5): 586-589, 2022 Nov.
Article in English | MEDLINE | ID: mdl-35974683

ABSTRACT

BACKGROUND: The largest cluster of genetic Creutzfeldt- Jakob Disease (CJD) exists in Libyan Jews carrying the E200K mutation in the PRNP gene. However, there is another cluster of genetic CJD with E200K mutation in families of Turkish-Jewish origin. AIMS: In this retrospective study, we aim to describe the demographic and clinical features of this population of patients. MATERIAL AND METHODS: The Israeli National CJD database was searched for demographic, clinical, imaging, and laboratory data of genetic CJD patients of Libyan and Turkish ancestry with the E200K mutation. The data of Libyan and Turkish patients were compared with notice similar or different demographic or clinical courses. RESULTS: Four hundred and twenty-three patients with CJD of Libyan (L) ancestry and 27 patients with CJD of Turkish (T) ancestry were identified. There were no significant differences in demographic and clinical data between the two populations (age of onset: T = 62 ± 8.8, L = 60 ± 9.7; age of death: T = 63 ± 8.6, L = 61 ± 9.7; and disease duration: T = 7.8 ± 8.4 months, L = 9.6 ± 13.6 months). Rapidly progressive dementia was the most common presentation in both groups, followed by pure cerebellar onset. The levels of tau protein in CSF did not differ between groups (T = 1290 ± 397.6 pg/ml, L = 1276 ± 594.2 pg/ml). MRI and EEG showed classical CJD features in most patients in both groups. DISCUSSION: The E200K mutation is the most common mutation among gCJD patients and was reported in different ethnical populations, suggesting several independent haplotypes of the mutation. The Turkish-Jew cluster, first described in this study, shares similar demographic and clinical features with the bigger cluster of Libyan-Jews CJD patients. CONCLUSION: E200K gCJD patients of Turkish ancestry share similar demographic and clinical features to patients of Libyan descent, suggesting a common origin of both populations.


Subject(s)
Creutzfeldt-Jakob Syndrome , Creutzfeldt-Jakob Syndrome/epidemiology , Creutzfeldt-Jakob Syndrome/genetics , Demography , Humans , Jews/genetics , Mutation/genetics , Retrospective Studies , tau Proteins
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