Amended European guidelines open up new approaches for the production of Water for Injection. The new regulations nonetheless raise questions about how to implement the new process. An expert group within the International Society for Pharmaceutical Engineering (ISPE) has taken on the issue and developed a common understanding of the manufacturing process requirements.

The European Pharmacopoeia Commission decided in 2016 to permit use of the cold method for the manufacture of Water for Injection (WFI), which is utilized primarily to produce injection and infusion solutions. Since coming into effect in 2017, the new resolution allows European manufactures to use not only conventional distillation processes but also energy-efficient membrane methods such as those already permitted in the US and Japan.

New methods promise more safety and efficiency

While experts see an opportunity to produce WFI with a greater degree of safety and lower energy costs with the new process, the amendment to the regulation brings with it an abundance of new regulatory requirements for pharmaceutical companies. In order to minimize risk, for instance, WFI systems are subject to continuous monitoring and must satisfy strict engineering requirements.

“The guidelines leave a lot of room for interpretation. If a pharmaceutical manufacturer implements every single aspect in accordance with the legal regulations, distillation is still the more cost-effective option,” says Fritz Röder, expert within the ISPE group for pharmaceutical water and steam for the German/Austrian/Swiss region and head of the WFI manual project.

Handbook serves as aid to implementing the guidelines

An expert team within the ISPE, which is involved in issues related to production systems and processes for pharmaceutical water and pure steam systems, has now created a guideline that describes what the legal regulations mean for the production of WFI. Specialists from various disciplines contributed extensive expert knowledge to the 110-page handbook, which is intended to serve as an orientation guide for plant and pharmaceutical manufacturers, as well as government representatives. 

Stefan Raabe, Strategic Account Manager at Endress+Hauser and a member of the expert team, who boasts years of first-hand experience in planning and implementing pharmaceutical water systems, underscores the necessity of the guideline: “The handbook provides answers to a wide range of unanswered questions related to the membrane-based production of WFI. Pharmaceutical manufacturers and regulatory authorities around the world can use this manual to design their water systems and produce medications for patients in a safe, effective and affordable manner.”

The manual is available in hardcover in German via the ISPE homepage.

Über Endress+Hauser Process Solutions

Endress+Hauser is a global leader in measurement and automation technology for process and laboratory applications. The family company, headquartered in Reinach, Switzerland, achieved net sales of over 2.6 billion euros in 2019 with a total workforce of 14,000.

Endress+Hauser devices, solutions and services are at home in many industries. Customers thus use them to gain valuable knowledge from their applications. This enables them to improve their products, work economically and at the same time protect people and the environment.

Endress+Hauser is a reliable partner worldwide. Its own sales companies in 50 countries as well as representatives in another 70 countries ensure competent support. Production facilities on four continents manufacture quickly and flexibly to the highest quality standards.

Endress+Hauser was founded in 1953 by Georg H Endress and Ludwig Hauser. Ever since, the company has been pushing ahead with the development and use of innovative technologies, now helping to shape the industry’s digital transformation. 8,000 patents and applications protect the Group’s intellectual property.

For further information, please visit www.endress.com/media-center or www.endress.com

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http://www.endress.com

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Fax: +41 (61) 715-2888
E-Mail: martin.raab@holding.endress.com
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