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Vaccines against COVID-19

Medicines agencies around the world are collaborating to approve and follow vaccines against COVID-19. Once the vaccines are approved, medicines authorities around the world follow up with monitoring of adverse drug reactions. Read about results, processes and new vaccines against COVID-19 in our three themes or in the question-and-answer below.

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News and notifications

Register-based study suggests a slightly increased risk of meningiomas in women using hormonal contraception containing a progestogen

03 July 2026

A study of 25 years of data from Danish women aged 15-59 suggests that meningiomas (tumours of the meninges) may be a very rare side effect of contraceptives containing a progestogen. The Danish Medicines Agency is therefore raising a safety signal in the European Pharmacovigilance Risk Assessment Committee (PRAC).

Are you running clinical trials? You can now activate e-mail notifications in CTIS

29 June 2026

Are you working with cell therapy and planning a clinical trial?

25 June 2026

The guidance on digital and decentralised clinical trials (DCT) has been updated

09 June 2026