Issue link: https://www.e-digitaleditions.com/i/1515319
A study investigates how the change to next-generation pMDI propellants might affect the technical performance of currently used pMDI hardware. An article delves into the multifaceted role of shell formers, shedding light on their mechanisms of action, impact on particle properties and a practical methodology for their formulation design. 2 February 2024 Inhalation Inhalation (ISSN 1940-414X digital) is published seven times per year in January, February, April, June, August, October and December by Whipsnade and Loophole, LLC, P.O. Box 27092, Minneapolis, MN 55427 US. w w w . i n h a l a t i o n m a g . c o m February 2024 Volume 18 Number 1 product development/contract testing 10 Environmentally friendly metered dose inhaler propellants: Challenges for inhaler design Daniel Duke 18 Issue focus: Product development/Contract testing formulation development/excipients 24 Shell formers in the formulation design of spray-dried particles Mani Ordoubadi 30 Special section: Formulation development/Excipients additional features 6 Cross-industry organizations: The International Pharmaceutical Aerosol Consortium on Regulation & Science (IPAC-RS): An update and review of 2023 Mike Needham, Jennifer Wylie and Mary Kate Bielinski 9 Previewing RDD ® 2024 34 Back page: Penicillin allergy: Removing inaccurate medical record labeling for patients who are not truly allergic or no longer allergic departments 8 Industry news 32 Calendar 33 White papers and webinars The cover photo shows the NGI Cooler, used in the development of nebulizer formulations. Courtesy of MSP, a Division of TSI ® , 5910 Rice Creek Parkway, Suite 300, Shoreview, MN, US, mspsales@tsi.com, www.tsi.com/msp