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DRUG REGISTRATION GUIDANCE DOCUMENT (DRGD) - BPFK

DRUG REGISTRATION GUIDANCE DOCUMENT (DRGD) - BPFK

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Drug Registration Guidance Document (<strong>DRGD</strong>)NO.SPECIFIC LABELLING REQUIREMENTS (SUBSTANCE SPECIFIC)(dutasteride, AVODART) (1% dutasteride vs 0.5% placebo).5-alpha reductase inhibitors may increase the risk of development of highgradeprostate cancer. Whether the effect of 5-alpha reductase inhibitorsto reduce prostate volume, or study-related factors, impacted the results ofthese studies has not been established.Increased Risk of Breast CancerBreast cancer has been reported in men taking finasteride 1 mg during thepost-marketing period. Physicians should instruct their patients to promptlyreport any changes in their breast tissue such as lumps, pain,gynaecomastia or nipple discharge.ADVERSE EVENTS: POST MARKETING EXPERIENCEMale breast cancer1.3 PRODUCT CONTAINING DUTASTERIDEWARNINGS AND PRECAUTIONSIncreased Risk of High-Grade Prostate CancerIn men aged 50 to 75 years with a prior negative biopsy for prostatecancer and a baseline PSA between 2.5 ng/mL and 10.0 ng/mL takingAVODART in the 4-year Reduction by Dutasteride of Prostate CancerEvents (REDUCE) trial, there was an increased incidence of Gleasonscore 8-10 prostate cancer compared with men taking placebo(AVODART 1.0% versus placebo 0.5%). In a 7-year placebo-controlledclinical trial with another 5-alpha reductase inhibitor (finasteride 5 mg,PROSCAR), similar results for Gleason score 8-10 prostate cancer wereobserved (finasteride 1.8% versus placebo 1.1%).5-alpha reductase inhibitors may increase the risk of development of highgradeprostate cancer. Whether the effect of 5-alpha reductase inhibitorsto reduce prostate volume, or study­related factors, impacted the results ofthese studies has not been established.Reference:a) Circular Bil (19) dlm <strong>BPFK</strong>/PPP/01/03 Jld 1: Direktif untuk Memuatkan KenyataanAmaran Berkaitan dengan Risiko High-Grade Prostate Cancer dalam SisipBungkusan Semua Produk 5-Arib) Circular Bil (64) dlm <strong>BPFK</strong>/PPP/01/03 Jld 1: Direktif untuk Memuatkan KenyataanAmaran Berkaitan dengan Risiko Kanser Payudara Di Kalangan Pesakit Lelaki dalamSisip Bungkusan Semua Produk Yang Mengandungi FinasterideNational Pharmaceutical Control Bureau (NPCB)First Edition, January 2013 Page | 360

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