Transforming Biologics Delivery through Microneedles

This review explores the potential of microneedles (MNs) in enhancing the delivery of biologics vital for treating conditions, including infectious diseases, cancer, and autoimmune disorders. The COVID-19 pandemic has amplified the demand for biologics, prompting research and development. The global biologics market is expected to grow substantially due to the rise of personalized medicine. Large, complex molecules, including proteins, peptides, and vaccines, are known as biologics, and a potential technique for their delivery is microneedles. MNs come in various forms: solid, hollow, coated, dissolvable, and hydrogel MNs. Traditional drug delivery methods have limitations, while transdermal drug delivery via Microneedles offers a promising alternative. Microneedles painlessly penetrate the skin's barrier, forming temporary microchannels for effective medication administration. This minimally invasive, self-administered technique increases patient comfort and compliance and eliminates the complications of oral medications and injections, indicating a bright future for biologic drug administration. Microneedles hold the promise to reshape healthcare delivery by facilitating broader access to vaccines, insulin, and other crucial biologics.