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Spotlight - Dose Counting for Metered-Dose Inhalers – A Real Patient Need

Asthma and chronic obstructive pulmonary diseases (COPD) are responsible for millions of deaths every year. Controlling and monitoring the treatment for these chronic lung disorders is not only required to reduce healthcare costs related to hospitalisations but a real patient need. A reliable system to support the correct and on-time use of inhalers, without changing the way of using them or adding any steps to their routine, is vital for sufferers.

The majority of marketed metered-dose inhalers (MDIs) offer no practical way for patients or doctors to know how many doses are left in their inhaler – which is especially pertinent in case of emergency. Furthermore, there is a collective requirement to track adherence or compliance to medication. To address these requirements, the FDA published guidance to integrate dose-counting mechanisms into MDI drug products. As per the guidelines, devices should offer either clear numeric counting mechanisms or indication functions – with a colour code function, for example – to ensure the correct number of doses is displayed to patients (1-2). The guidance also encourages drug manufacturers to update existing devices.

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H&T Presspart specialises in industrialising drug delivery devices and components. The products that the company offers its pharmaceutical clients include medical devices, metered-dose inhaler components, and a comprehensive range of dose counting technologies. The company has 50 years’ experience and a worldwide reputation for competence, quality, and innovation in the pharmaceutical sector. H&T Presspart’s Inhalation Product Technology Centre supports its customers through new inhalation product developments and strategic initiatives. H&T Presspart, part of the Heitkamp and Thumann Group, has three European manufacturing sites, in Germany, Spain, and the UK, with sales offices in China, India, Singapore, South America, and the US.
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