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Badan Pengawas Obat dan Makanan Republik Indonesia ...

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Aneks 9 – Pembuatan Radiofarmakadilakukan sebagai indikator mutu <strong>dan</strong>kinerja yang diharapkan dariradiofarmaka.117. Prosedur yang ditetapkan dalammonografi farmakope dapat diadopsidalam uji biodistribusi ini.Studi Stabilitas118. Studi stabilitas hendaklah dilakukanpada minimum tiga bets pilot ataubets produksi. Bila hasil yangdiperoleh dari ketiga bets berbedasecara signifikan, hendaklahdilakukan pengujian pada betsberikutnya.119. Karena beberapa produkmenunjukkan ketidakstabilan secaratiba-tiba pada mulanya, maka datahendaklah diambil pada pengujianantar waktu (waktu awal <strong>dan</strong> waktuakhir) sampai pada <strong>dan</strong> melewatimasa edar produk yangdirencanakan.120. Dalam program pengujian, produkhendaklah diuji terhadap seluruhspesifikasi pada saat preparasi. Padapengujian antar waktu, parameteryang mungkin berubah hendaklahdiukur. Jenis parameter meliputi:a) Kestabilan fisis, misal ukuranpartikel;b) Kestabilan kimiawi, misal pH,kandungan benzyl alcohol;c) Konsentrasi radioaktif;d) Kemurnian radiokimiawi;e) Biodistribusi; <strong>dan</strong>f) Kandungan Stano (Sn 2+ ) (misaluntuk kit 99m Tc).121. Bila produk akan disimpan dalamlemari pendingin tanpa peringatan“Jangan dibekukan”, maka kestabilan,terutama kestabilan fisis (misal tidakterbentuk endapan, tidak terjadidenaturasi protein) pada suhu sekitar-5 o C hendaklah dibuktikan.122. Untuk kit radiofarmaka, pengaruhumur produk terhadap kestabilanproduk setelah rekonstitusi hendaklahAnnex 9 – Manufacture ofRadiopharmaceuticalsperformed as an indicator of the qualityand expected performance of theradiopharmaceuticals.117. Established procedures inpharmacopoeia monographs may beadopted in the biodistribution test.Stability Study118. Stability studies should be performed ona minimum of three pilot or productionbatches. If discor<strong>dan</strong>t results areobtained between the three batches,further batches should be examined.119. As many products show a sudden onsetof instability, data should be obtained atintermediate points up to and beyondthe planned shelf-life of the product.120. In the testing program, the productshould be tested to full specification atpreparation. At intermediate points,parameters that are likely to changeshould be measured. Typicalparameters include:a) Physical stability e.g. particle size;b) Chemical stability e.g. pH, benzylalcohol content;c) Radioactive concentration;d) Radiochemical purity;e) Biodistribution; andf) Stannous tin content (e.g. for99mTc cold kits).121. If the product is to be stored underrefrigeration without the warning "Do notfreeze", then stability, particularlyphysical stability (e.g. no precipitateformation, no denaturation of protein) atabout -5°C should be demonstrated.122. In the case of cold kits, the effect of kitage on the stability of the product afterreconstitution should be demonstrated.Edisi 2009 - 74 - 2009 Edition

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