COMP: Working parties and other groups

The Committee for Orphan Medicinal Products (COMP) consults its working parties and other groups on scientific issues relating to their particular field of expertise, and delegates certain tasks to them associated with the scientific evaluation of applications or drafting and revision of scientific guidance documents.

Updated on 6 October 2025:
- to reflect the current structure of working parties and other groups under COMP

Working parties and groups within domains

The majority of working parties and related groups operate under the governance of a domain.

For more information, see:

• CHMP: Working parties and other groups

The Inter-Committee Scientific Advisory Group on Oncology is currently the only scientific advisory group under COMP. It operates as an operational expert group within the clinical domain.

For more information, see:

• Inter-Committee Scientific Advisory Group on Oncology

Other working parties and associated groups

The following working parties can be consulted to provide advice to EMA and its human scientific committees, including COMP, on all matters of interest in relation to medicines:

• Healthcare Professionals' Working Party
• Patients' and Consumers' Working Party