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Updated: Jun 14, 2026

Retinal Pigment Epithelium Transplantation in a Non-human Primate Model for Degenerative Retinal Diseases
Published on: June 14, 2021
[New ophthalmic insert]
Mihaela Hamcerencu1, Marcel Popa, Danut Costin
1"Gh. Asachi" Technical University, Faculty of Chemical Engineering, Department of Natural and Synthetic Polymers, Bd. D. Mangeron, nr. 71 A, 700050 Iasi, Romania.
Unlabelled:
Controlled release of drugs on ocular level is an important care for modern pharmacology. New studies targets are medical ophthalmic products with prolonged action (controlled release, target release). The hydrogel is an important segment in these studies. The purpose of this study is to assess a monolithic thermosensible hydrogel for releasing a certain medical product.
Material And Method:
We used several materials for making thermosensible ophthalmic inserts that were processed (hydrogel synthesis, establish the inflation degree, hydrogel drug inclusion, establish the kinetics of in vitro drug releasing, in vivo studies).
Results:
The study show that MA-G and PNIPAm basis hydrogel is a smart one that have the ability to collapse on a temperature closed to the physiological one, the result is the drug release in a desired doses. The hydrogel is perfectly tolerated, an experimental study prove that.
Conclusions:
Controlled release of active drug that are highly adequate to have a clinical response is based on small doses, without adverse effects. Is a target release.
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