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Article / Sep 10, 2019

Inhalation Drug Delivery: The Impact of Particle Size Reduction

Pharmaceutical Technology, September 2, 2019

Within the past few years, much has been learned about characterizing the particles used in inhalation therapies, with the goal of improving drug delivery to the lungs.

Optimizing the manufacturing of these therapies requires avoiding particle interactions during size reducing, blending, and capsule filling, because these can affect the final product’s quality. 

In an inhalation formulation, the physicochemical properties of size-reduced drug particles strongly affect the end product’s stability and performance. Previous studies reported that size-reduced APIs that had been milled using different techniques may present significant differences in terms of morphological and interfacial properties (1,2). Characterizing the particles’ surface properties is key to understanding API/excipient interactions and their impact on the final formulation performance. 

Selecting the micronization technique is crucial for particles that are to be used in inhalation therapies, because it will determine the API’s properties. For inhalation delivery, a narrow and controlled particle size distribution (PSD) is key to improving and consistently delivering the aerodynamic performance. With a narrow PSD and Dv90

 

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The global inhalation contract development and manufacturing organization (CDMO) market is projected to grow from USD 9.13 billion in 2025 to USD 16.68 billion by 2035, reflecting a compound annual growth rate (CAGR) of 5.7% during the forecast period. This growth is driven by the increasing prevalence of respiratory diseases, advancements in inhalation drug delivery technologies, and the rising demand for outsourced manufacturing services in the pharmaceutical industry. The inhalation CDMO market has emerged as a pivotal segment in the pharmaceutical contract development and manufacturing industry. With a rising demand for inhaled therapies for conditions like asthma, COPD, and cystic fibrosis, companies are increasingly outsourcing drug development and production to specialized partners. Inhalation CDMO services cater to both large pharmaceutical corporations and small biotech firms, offering expertise in formulation, device compatibility, regulatory support, and scale-up manufacturing. This market is gaining traction due to the complexity of inhalation drug delivery, which often requires niche technical capabilities and specialized equipment. Outsourcing to an inhalation CDMO allows drug developers to reduce time-to-market while ensuring quality and compliance with global standards. (...) Top Companies Several players dominate the inhalation CDMO market through technological expertise, global reach, and service portfolio diversity: (...) Hovione – Offers particle engineering and inhalation development, with a focus on dry powder inhalers. (...) These companies are continually investing in facilities, talent, and technology to meet evolving customer needs in the inhalation CDMO market.   Read the full article on Pharmiweb.com        

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