No Cause For Alarm — But European Medicines Agency Post-Hoc Review Of HPV Vaccines Announced This Past Week

The EMEA stresses that the safety and efficacy of the vaccine is considered well established, but that it is monitoring for relatively rare adverse events — and collecting data, from multiple manufacturers.

Here’s a bit from the press release:

. . . .As for all licensed medicines the safety of these vaccines is monitored by the Agency’s Pharmacovigilance Risk Assessment Committee (PRAC). The current review will look at available data with a focus on rare reports of two conditions: complex regional pain syndrome (CRPS, a chronic pain condition affecting the limbs) and postural orthostatic tachycardia syndrome (POTS, a condition where the heart rate increases abnormally after sitting or standing up, causing symptoms such as dizziness and fainting, as well as headache, chest pain and weakness).

Reports of these conditions in young women who have received an HPV vaccine have been previously considered during routine safety monitoring by the PRAC but a causal link between them and the vaccines was not established. Both conditions can occur in non-vaccinated individuals and it is considered important to further review if the number of cases reported with HPV vaccine is greater than would be expected.

In its review the PRAC will consider the latest scientific knowledge, including any research that could help clarify the frequency of CRPS and POTS following vaccination or identify any causal link. Based on this review, the Committee will decide whether to recommend any changes to product information to better inform patients and healthcare professionals. While the review is ongoing there is no change in recommendations for the use of the vaccine. . . .

Onward.

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