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Efficacy and safety of enzyme-replacement-therapy with agalsidase alfa in 36 treatment-naïve Fabry disease patients.
BMC Pharmacol Toxicol. 2017 06 07; 18(1):43.BP

Abstract

BACKGROUND

Fabry disease (FD) is an X-linked lysosomal storage disorder resulting from the α-galactosidase A gene mutations. Enzyme-replacement-therapy (ERT) products for FD currently used include agalsidase alfa and agalsidase beta. There are many reports on efficacy and safety of ERT. However, most of the previous studies are done as a retrospective medical records analysis.

METHODS

The Japan Fabry Research - 002 (JFR-002) was a prospective observational clinical study of 36 ERT-naïve FD patients (14 men and 22 women) at baseline (BL) and after initiation of ERT with agalsidase alfa 0.2 mg/kg every two weeks, a median period 62.5 months. The parameters measured included globotriaosylceramide (Gb3), globotriaosylsphingosine (Lyso-Gb3), left ventricular mass index (LVMI), brain natriuretic peptide (BNP), high-sensitivity troponin I (hs-Trop I), estimated glomerular filtration rate (eGFR), and anti-agalsidase alfa IgG antibody formation.

RESULTS

All parameters remained steady during ERT treatment period. BNP levels in 14 patients whose BL levels were within the normal range (<19.5 pg/mL) remained within the same range, while 22 patients whose BL levels were abnormally high (≥19.5 pg/mL) gradually showed decreased levels after start of ERT. Gb3 and Lyso-Gb3 levels remarkably decreased after the initiation of ERT and remained low.

CONCLUSION

The JFR-002 suggests that agalsidase alfa is effective in maintaining organ function in FD patients, and that the incidence of infusion reactions related to the treatment with agalsidase alfa is low, indicating the good tolerability to this ERT.

TRIAL REGISTRATION

The JFR-002 was retrospectively registered at Japan Medical Association Center for Clinical Trials (Registration number: JMA-IIA00291) on May 19th, 2017.

Authors+Show Affiliations

LSD Center, Nagoya Central Hospital, 3-7-7 Taiko, Nakamura-ku, Nagoya, 453-0801, Japan. kazuya.tsuboi@jr-central.co.jp.LSD Center, Nagoya Central Hospital, 3-7-7 Taiko, Nakamura-ku, Nagoya, 453-0801, Japan.

Pub Type(s)

Journal Article
Observational Study

Language

eng

PubMed ID

28592315

Citation

Tsuboi, Kazuya, and Hiroshi Yamamoto. "Efficacy and Safety of Enzyme-replacement-therapy With Agalsidase Alfa in 36 Treatment-naïve Fabry Disease Patients." BMC Pharmacology & Toxicology, vol. 18, no. 1, 2017, p. 43.
Tsuboi K, Yamamoto H. Efficacy and safety of enzyme-replacement-therapy with agalsidase alfa in 36 treatment-naïve Fabry disease patients. BMC Pharmacol Toxicol. 2017;18(1):43.
Tsuboi, K., & Yamamoto, H. (2017). Efficacy and safety of enzyme-replacement-therapy with agalsidase alfa in 36 treatment-naïve Fabry disease patients. BMC Pharmacology & Toxicology, 18(1), 43. https://doi.org/10.1186/s40360-017-0152-7
Tsuboi K, Yamamoto H. Efficacy and Safety of Enzyme-replacement-therapy With Agalsidase Alfa in 36 Treatment-naïve Fabry Disease Patients. BMC Pharmacol Toxicol. 2017 06 7;18(1):43. PubMed PMID: 28592315.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Efficacy and safety of enzyme-replacement-therapy with agalsidase alfa in 36 treatment-naïve Fabry disease patients. AU - Tsuboi,Kazuya, AU - Yamamoto,Hiroshi, Y1 - 2017/06/07/ PY - 2017/02/24/received PY - 2017/05/26/accepted PY - 2017/6/9/entrez PY - 2017/6/9/pubmed PY - 2018/4/4/medline KW - Agalsidase Alfa KW - Enzyme replacement therapy (ERT) KW - Fabry disease KW - Globotriaosylceramide (Gb3) KW - Globotriaosylsphingosine (lyso-Gb3) SP - 43 EP - 43 JF - BMC pharmacology & toxicology JO - BMC Pharmacol Toxicol VL - 18 IS - 1 N2 - BACKGROUND: Fabry disease (FD) is an X-linked lysosomal storage disorder resulting from the α-galactosidase A gene mutations. Enzyme-replacement-therapy (ERT) products for FD currently used include agalsidase alfa and agalsidase beta. There are many reports on efficacy and safety of ERT. However, most of the previous studies are done as a retrospective medical records analysis. METHODS: The Japan Fabry Research - 002 (JFR-002) was a prospective observational clinical study of 36 ERT-naïve FD patients (14 men and 22 women) at baseline (BL) and after initiation of ERT with agalsidase alfa 0.2 mg/kg every two weeks, a median period 62.5 months. The parameters measured included globotriaosylceramide (Gb3), globotriaosylsphingosine (Lyso-Gb3), left ventricular mass index (LVMI), brain natriuretic peptide (BNP), high-sensitivity troponin I (hs-Trop I), estimated glomerular filtration rate (eGFR), and anti-agalsidase alfa IgG antibody formation. RESULTS: All parameters remained steady during ERT treatment period. BNP levels in 14 patients whose BL levels were within the normal range (<19.5 pg/mL) remained within the same range, while 22 patients whose BL levels were abnormally high (≥19.5 pg/mL) gradually showed decreased levels after start of ERT. Gb3 and Lyso-Gb3 levels remarkably decreased after the initiation of ERT and remained low. CONCLUSION: The JFR-002 suggests that agalsidase alfa is effective in maintaining organ function in FD patients, and that the incidence of infusion reactions related to the treatment with agalsidase alfa is low, indicating the good tolerability to this ERT. TRIAL REGISTRATION: The JFR-002 was retrospectively registered at Japan Medical Association Center for Clinical Trials (Registration number: JMA-IIA00291) on May 19th, 2017. SN - 2050-6511 UR - https://www.unboundmedicine.com/medline/citation/28592315/Efficacy_and_safety_of_enzyme_replacement_therapy_with_agalsidase_alfa_in_36_treatment_naïve_Fabry_disease_patients_ L2 - https://bmcpharmacoltoxicol.biomedcentral.com/articles/10.1186/s40360-017-0152-7 DB - PRIME DP - Unbound Medicine ER -