Get Brochure

The Certification of Suitability (CEP) is a certificate issued by the European Directorate for the Quality of Medicines & HealthCare (EDQM) that attests to the compliance of a pharmaceutical substance with the quality standards set out in the European Pharmacopoeia. CEP is recognized by member states of the European Union and several other countries, facilitating the approval process for pharmaceutical products. Sister CEP submissions refer to the process where a company applies for additional CEPs for the same substance, but with different manufacturing sites or processes. This approach allows companies to have flexibility in their manufacturing strategies while maintaining the quality and safety of their products.

What is the Importance of CEP

The CEP plays a crucial role in ensuring the quality of pharmaceutical substances. By adhering to the European Pharmacopoeia's standards, manufacturers can guarantee that their products meet the necessary quality, safety, and efficacy requirements. This certification is essential not only for the protection of public health but also for building trust with healthcare professionals and patients.

Furthermore, CEP facilitates international trade by providing a harmonized standard recognized by multiple regulatory authorities. This mutual recognition reduces the need for duplicate testing and documentation, streamlining the process for pharmaceutical companies to enter new markets.

What are the Roles and Functions of CEP

The primary role of CEP is to standardize quality control measures across the pharmaceutical industry. It provides a detailed assessment of the manufacturing process and the substance's control strategy, ensuring consistent quality across different batches and suppliers.

CEP also plays a critical role in streamlining regulatory approvals. For pharmaceutical companies, obtaining a CEP can significantly reduce the complexity and duration of the drug approval process. Regulatory authorities rely on the CEP as evidence of a substance's quality, simplifying their evaluation and speeding up the market access for medicines.

Sister CEP Submissions

Sister CEP submissions are instrumental for companies looking to diversify their manufacturing locations or processes without compromising on quality. This process involves submitting additional documentation to the EDQM to demonstrate that the same high standards are met across all sites and methods.

The benefits of Sister CEP submissions include increased manufacturing flexibility and reduced risk. Companies can shift production between sites to optimize costs, manage supply chain risks, or meet local regulatory affairs requirements. This flexibility is particularly valuable in responding to market demands or supply chain disruptions.


The Certification of Suitability (CEP) and Sister CEP submissions play vital roles in the pharmaceutical industry, ensuring that medicinal substances meet high-quality standards and facilitating their approval and market access across different countries. By standardizing quality controls and streamlining regulatory processes, CEPs contribute significantly to public health and the global pharmaceutical market's efficiency. Sister CEP submissions further enhance this framework by providing companies with the flexibility needed to adapt to changing manufacturing landscapes and regulatory environments.

How can we help you?
Call us on:+1 (302) 601-2755
Contact our experts today !
bio InternationalDia Global