A Review : Solubility Enhancement Method By Solid Dispersion / Review : Metode Peningkatan Kelarutan Dengan Dispersi Padat

One or more active chemicals are dispersed in a matrix or carrier in an inert state using a solid dispersion technique. The term "solid dispersion" describes the solid state in which a material is mixed with another material. Solid dispersions have many benefits over other traditional compositions and can be manufactured in a variety of ways. A combination of a hydrophobic matrix and a hydrophilic medication is called a solid dispersion. Drugs in solid dispersions can be dispersed in the form of molecules, amorphous solids, or crystals. The carrier used in solid dispersion systems is a polymer. The drug fills the gaps between the chains of polymers and increases their relative flexibility when the medication and polymer contact. Low rates of solubility and absorption are caused by chemicals that are powerful but not very soluble in water, thus affecting the effectiveness of therapy. Therefore, solubility is a crucial factor to consider while creating high-quality, safe, and effective preparations. A common technique to improve dissolution and solubility is the solid dispersion of active drug ingredients. Solid dispersions can be made in several methods to improve solubility and dissolving rate such as Dropping Method, Spray Drying Co-grinding, Lyophilization Technique, Fusion Method, Kneading, and Solvent Evaporation. Various types of carrier polymers that can be used to make solid dispersions are also covered in this study. The results of the review article show that the dissolution and solubility rate of active drug ingredients can be increased using the solid dispersion method compared to pure active ingredients.

Sistem dispersi padat adalah dispersi satu atau lebih bahan aktif pada suatu matriks atau pembawa di kondisi padatan. Dispersi padat mengarah ke kondisi padat suatu zat yang mengalami dispersi pada material lainnya. Daripada formula yang biasanya digunakan, dispersi padat bisa disusun menggunakan bermacam cara dan mempunyai berbagai kelebihan. Dispersi padat merupakan gabungan obat hidrofobik dan matriks hidrofilik. Obat pada dispersi padatan bisa terdispersi melalui bentuk molekul, padatan amorf, maupun kristal. Pembawa yang digunakan dalam sistem dispersi padatan yakni polimer. Saat polimer serta obat terjadi interaksi maka obat mengisi rongga diantara rantai-rantai polimer dan menyebabkan rantai polimer cenderung fleksibel. Rendahnya kelarutan bahan aktif dalam air menyebabkan rendahnya laju disolusi dan bioavailabilitas sehingga mempengaruhi tingkat keefektivan terapi. Maka dari itu, solubilitas adalah tolak ukur krusial ketika merancang sediaan yang berkualitas, aman, serta efektif. Metode dispersi padat telah banyak dimanfaatkan guna mengoptimalkan solubilitas serta disolusi bahan aktif obat. Solubilitas serta laju disolusi dapat ditingkatkan melalui bermacam mode pembentukkan dispersi padat diantaranya Dropping Method, Spray Drying Co-grinding, Lyophilization Technique, Fusion Method, Kneading, and Solvent Evaporation. Bermacam jenis polimer pembawa yang bisa dimanfaatkan untuk membuat dispersi padatan juga dibahas pada artikel ini. Hasil review artikel memperlihatkan bahwasanya kelarutan solubilitas serta laju disolusi bahan aktif obat dapat ditingkatkan menggunakan metode dispersi padat yang disandingkan dengan bahan aktif murni.