LYON, France, Nov. 5 (UPI) — A European drug agency found no link between receiving the HPV vaccine and the development of complex regional pain syndrome, or CRPS, and postural orthostatic tachycardia syndrome, or POTS.
The Pharmacoviligilance Risk Assessment Committee, which reviews drug safety for the European Medicines Agency, found the syndromes occur in a number of girls who have received the vaccine similar to normal expectations for 10- to 19-year-old girls.
CPRS, chronic pain affecting a limb, occurs in about 150 per one million girls and POTS, a condition that includes an abnormally increased heart rate, dizziness, fainting, headache and other aches, nausea and fatigue, occurs in at least 150 per one million girls per year.
The researchers said normal rates as compared with the rate among girls who have had the HPV vaccine, including the potential for underreporting of the syndromes, does not raise concern about the vaccine.
The EMA announced in July it would review links between 21 cases of the two syndromes and three types of the HPV vaccine, Cervarix, Gardasil and Gardasil-9, and decide whether to require the drugs’ makers to change information and guidelines on use of the vaccines.
“The PRAC concluded that the available evidence does not support that CRPS and POTS are caused by HPV vaccines,” the agency said in a press release. “Therefore there is no reason to change the way the vaccines are used or amend the current product information.”
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