Study summary

Botox injections and bladder instillations worked about equally

Botox vs bladder instillation trial · Randomized trial · Published May 2024, American Journal of Obstetrics and Gynecology

What was tested

OnabotulinumtoxinA injected into the bladder wall against medicine instilled into the bladder, for interstitial cystitis.

What they found

Both groups improved clearly at 2 months.
Satisfaction and willingness to repeat treatment did not differ.

What it means

Both are reasonable options; the choice can follow patient preference.

Am J Obstet Gynecol, via PubMed ↗ ← Back to the outlook

Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.