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Press release: MHRA approves vibegron to treat adult patients with Overactive Bladder Syndrome (OAB)

Medicines Healthcare Products Regulatory Agency

July 17
14:51 2024

The medicines active ingredient, vibegron, is a bladder muscle relaxant (a beta?3 adrenergic receptor agonist) which reduces the activity of an overactive bladder and treats the related symptoms. The recommended dosage for this is 1tablet per day. This medicine is prescribed as a 75mg film?coated tablet.

This approval is supported by evidence from a phase 3 clinical trial. The EMPOWUR trial was used to evaluate vibegron over a period of 12 weeks in 1,515 patients with OAB syndrome and demonstrated symptoms of urgency and urinary frequency, with or without urge urinary incontinence. Patients received a single daily dose of placebo (n=540), vibegron 75mg (n=545), or active control (n=430).

The results showed that compared to the placebo, vibegron was effective in treating symptoms of OAB syndrome. Daily urination and incidents of incontinence were reduced in patients with OAB syndrome. This was observed within two weeks of the trial and was shown to be constant throughout the 12-week period of treatment. The outcomes of the study suggested that the effects of the medicine are maintained after 52 weeks of treatment.

The most common side effects of this medicine include headache, diarrhoea, constipation, nausea, urinary tract infection, and an increase in the amount of urine left in the bladder after voluntary urination.

As with any medicine, the MHRA will keep the safety and effectiveness of vibegron under close review. Anyone who suspects they are having a side effect from this medicine are encouraged to talk to their doctor, pharmacist or nurse and report it directly to the Yellow Card scheme, either through the website (https://yellowcard.mhra.gov.uk/) or by searching the Google Play or Apple App stores for MHRA Yellow Card.

Notes to editors?

  1. The new marketing authorisation for vibegron (Obgemsa) was granted on 17 July 2024 to Pierre Fabre Limited.
  2. More information can be found in the Summary of Product Characteristics and Patient Information leaflets which will be published on the MHRA Products website within 7 days of approval.
  3. The MHRA is an executive agency of the Department of Health and Social Care.
  4. For media enquiries, please contact the newscentre@mhra.gov.uk, or call on 020 3080 76

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