Powders for nasal delivery have been recognized as advantageous dosage forms over
liquids due to increased stability and residence time on nasal mucosa, with improved …

Highlights•Particle engineering can be used to design stable dry powder to be nasally
delivered;•Spray and spray freeze drying show the highest control over the properties of dry …

In the field of nasal drug delivery, among the preparations defined by the European
Pharmacopoeia, nasal powders facilitate the formulation of poorly water-soluble active …

Nasal drug delivery is still primarily associated with locally-effective drugs, but next-
generation products utilising the benefits of nasal administration—such as easy access to a …

Spray freeze drying is an appropriate technique for producing nasally delivered inhalable
encapsulated drugs since producing microparticles with a diameter larger than 100 μm …

Purpose: To discuss the challenges and opportunities for dry powder nasal medications and
to put this in to perspective by evaluating and characterizing the performance of the Teijin …

The nasal physiology offers great potential for drug delivery but also poses specific
challenges, among which the short residence time of applied drugs is one of the most …

This study investigated the possibility to use spray drying technique to prepare powders
formulations containing caffeine intended for nasal delivery. Spray dried powders containing …

Spray drying is a constructive single-step manufacturing technique used to produce dry
powder. Spray drying plays a remarkable role in producing inhalable powder formulations …

The nasal delivery of drugs offers a great alternative route to avoid adverse events and to
increase patient compliance due to its advantageous properties. Besides nasal application …