Amira Nur Hasanah, Taofik Rusdiana


Saat ini, pengembangan obat berkembang cepat dan terus dilakukan. Salah satu permasalahan formulasi yang mempengaruhi efektivitas obat adalah kelarutan, terutama pada obat dengan kelarutan rendah. Obat-obat yang termasuk BCS kelas II mempunyai sifat permeabilitas tinggi dengan kelarutan rendah karena termasuk obat lipofilik. Metode yang digunakan untuk meningkatkan kelarutan adalah penambahan surfaktan sebagai substrat p-glikoprotein. Tujuan formulasi tersebut adalah mendapatkan bioavailabilitas untuk mencapai efek terapetik. Penambahan surfaktan sudah dibuat dalam berbagai bentuk sediaan, seperti nanokristal, granul, mikroemulsi, dan lain-lain. Hasil dari berbagai penambahan surfaktan dan bentuk sediaan tersebut berfungsi sebagai substrat p-glikoprotein sehingga kelarutan obat lipofilik meningkat dan bioavailabilitasnya menjadi lebih baik.


Kata Kunci: surfaktan, BCS kelas II, kelarutan.


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