Provesicular Based Colloidal Carriers for Transdermal Drug Delivery: Formulation Aspects and Bioavailability Enhancement of Acyclovir Proliposomal Gels
Bibliographic record
Abstract
Background: Acyclovir (ACV) a 21-deoxy guanosine analogue effective against Herpes Simplex Virus (both type 1 and 2) and other viral diseases, mainly acts by inhibiting the viral DNA polymerase. The limited oral bioavailability of ACV (5-10%) requires higher dosage (400-800 mg), results in neurotoxicity and renal failure. Topically, the lower efficacy of ACV is attributed to inadequate drug permeation across the stratum corneum (SC). Methods: In present research, ACV containing proliposomes formulated using various ratios of lipid mixtures (Phosphotidyl choline and Cholesterol) by co acervation phase separation method. Results: The formulated vesicles are having the acceptable particle size range (385-616 nm). Other characters like morphological behaviour, zeta potential, polydispersity index and entrapment efficiency were evaluated. In vitro release studies reveal the controlled delivery of ACV from formed liposomes. Significant higher permeation parameter values [flux (Jss), permeability coefficient (Kp) and enhancement ratio (ER)] evaluated from all the formulations by performing ex vivo permeation studies using male wistar rats. 3.24 fold increment was observed in bioavailability of optimized formulation than control (oral suspension). The formulated ACV proliposomal gels were more stable when stored at 4°C. Conclusion: Improved bioavailability of ACV incorporated proliposomal gels than control reveals its potential in releasing of drug applied through transdermal route.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".