The Zenflow Spring System EU Safety and Performance Study (ZEST EU)

  • End date
    May 30, 2024
  • participants needed
  • sponsor
    Zenflow, Inc.
Updated on 16 February 2022
digital rectal exam
transrectal ultrasound
digital rectal examination
benign prostatic hypertrophy
lower urinary tract symptoms
total psa
rectal ultrasound
free psa
benign prostatic hyperplasia


The objectives of the trial are to demonstrate the safety and performance of the Zenflow Spring System in relieving the symptoms of obstructive Benign Prostatic Hyperplasia (BPH).


A multi-center, prospective, single arm safety and performance trial. Subjects will be treated either in the Investigator's out-patient treatment room or in the OR, with local anaesthesia only. All subjects will be followed for the entire duration of the study until exit after the 60 month follow-up visit.

Condition Benign Prostatic Hyperplasia
Treatment Zenflow Spring System
Clinical Study IdentifierNCT03577236
SponsorZenflow, Inc.
Last Modified on16 February 2022


How to participate?

Step 1 Connect with a study center
What happens next?
  • You can expect the study team to contact you via email or phone in the next few days.
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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