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More info
You can access this
clinical trial
if you have
Hypertensive Anal Canal
and you are
between 18 and 61
years old
The phase for this study is not defined.
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The purpose

Idiopathic hypertensive anal canal is a fact and already exists presented by anal pain aggravated by defecation. It can be managed safely by closed lateral sphincterotomy but chemical sphincterotomy had a minor role in its management.

Provided treatments

  • Procedure: lateral internal sphincterotomy (LIS)
  • Drug: Glycerin trinitrate (GTN)
  • Drug: botulinum toxin injection (BTX A)
Tris trial is registered with FDA with number: NCT00927849. The sponsor of the trial is Mansoura University and it is looking for 63 volunteers for the current phase.
Official trial title:
Idiopathic Hypertensive Anal Canal: a Place of Internal Sphincterotomy