Isotretinoin oil-based capsule formulation optimization.
The purpose of this study was to develop and optimize an isotretinoin oil-based capsule with specific dissolution pattern. A three-factor-constrained mixture design was used to prepare the systemic model formulations. The independent factors were the components of oil-based capsule including beeswax (X₁), hydrogenated coconut oil (X₂), and soybean oil (X₃). The drug release percentages at 10, 30, 60, and 90 min were selected as responses. The effect of formulation factors including that on responses was inspected by using response surface methodology (RSM). Multiple-response optimization was performed to search for the appropriate formulation with specific release pattern. It was found that the interaction effect of these formulation factors (X₁X₂, X₁X₃, and X₂X₃) showed more potential influence than that of the main factors (X₁, X₂, and X₃). An optimal predicted formulation with Y(10 min), Y(30 min), Y(60 min), and Y(90 min) release values of 12.3%, 36.7%, 73.6%, and 92.7% at X₁, X₂, and X₃ of 5.75, 15.37, and 78.88, respectively, was developed. The new formulation was prepared and performed by the dissolution test. The similarity factor f₂ was 54.8, indicating that the dissolution pattern of the new optimized formulation showed equivalence to the predicted profile.
Department of Business Administration, I-Shou University, No. 1, Section 1, Syuecheng Road, Dashu Township, Kaohsiung County 840, Taiwan.
Pi-Ju
PJ
Tsai
Chi-Te
CT
Huang
Chen-Chou
CC
Lee
Chi-Lin
CL
Li
Yaw-Bin
YB
Huang
Yi-Hung
YH
Tsai
Pao-Chu
PC
Wu
D002214:Capsules / Q000138:chemical synthesis*; D000074263:Coconut Oil; D016503:Drug Delivery Systems; D006865:Hydrogenation; D015474:Isotretinoin / Q000737:chemistry*; D010938:Plant Oils / Q000737:chemistry; D013024:Soybean Oil / Q000737:chemistry; D013997:Time Factors; D014885:Waxes / Q000737:chemistry
D002214:Capsules; D010938:Plant Oils; D014885:Waxes; C038228:beeswax; D013024:Soybean Oil; D015474:Isotretinoin; D000074263:Coconut Oil