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Benign ProstaticHyperplasia (BPH)NCT02639442

Clinical Study for the Evaluation of the Safety and Initial Performance of the ClearRing System for the Treatment of Benign Prostatic Hyperplasia

A study testing ClearRing™ in people with Benign ProstaticHyperplasia (BPH), run by ProArc Medical at 2 sites in 2 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The ProArc Medical ClearRing™ system is a prostatic reshaping device that is designed to treat Lower Urinary Tract Symptoms (LUTS) due to BPH. During the procedure an implant is delivered into the prostate tissue obstructing the urethra and restricting urine flow. Read more about this study

Who is it for?
Ages 50 to 85 years, men only
Conditions the study is for
Benign ProstaticHyperplasia (BPH)
What is being tested?
ClearRing™
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
29 participants
Where
2 sitesin 2 countries
Study dates
Dec 2015to May 2019
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 50 to 85 years
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male 50 years of age and up to 85 years old.
  • Diagnosed with symptomatic benign prostatic hyperplasia (BPH)
  • International Prostate Symptom Score (IPSS) >13
  • Peak flow rate ≤ 12 ml/sec (with voided volume ≥ 125ml)
  • Subject is in good general health.
  • Subject understands and has signed the study informed consent form.
  • PSA according to the American Urological Association) AUA) guideline.

Who cannot join

  • Subjects who are known to be infected with Hepatitis B, Hepatitis C, or HIV viruses.
  • Subject allergic to nickel or titanium
  • Concomitant participation in another study
  • Diagnosed with Cancer except of BCC or SCC of the skin
  • Any medical condition at the investigator discretion that may interfere with the procedure.
  • Patient with coagulopathy due to medications or congenital
Show all 16Show fewer
  • Patient is taking steroids
  • Previous prostate surgery
  • Compromised renal function due to obstructive uropathy
  • Urinary Tract Infection (UTI)
  • Intravesical lobe (based on ultrasound and/or cystoscopy and/or medical history)
  • Prostate volume (based on Trans Rectal Ultrasound) > 80g
  • American Society of Anesthesiologists score (ASA)≥3
  • Known neurogenic bladder
  • Implanted electronic device such as pacemaker/CRT/ICD/DBS.
  • Recent myocardial infarction (less than three months)

Trial locations and contacts

2 sites in 2 countries.

2 sites in 2 countries

Israel1 site
  • Rambam MC

    Haifa

Other trials in Israel

Latvia1 site
  • Department of Urology, Pauls Stradins Clinical University Hospital

    Riga

Other trials in Latvia

About this study

The ProArc Medical ClearRing™ system is a prostatic reshaping device that is designed to treat Lower Urinary Tract Symptoms (LUTS) due to BPH.

During the procedure an implant is delivered into the prostate tissue obstructing the urethra and restricting urine flow. The delivery system uses an electro-cutting blade to perform a circular and superficial incision, in which the implant is placed. Such an implant, with the shape of an open ring, expands the obstructed area, reducing the fluid obstruction through the prostatic urethra.

Read the detailed description

The proposed study will be conducted on BPH patients, candidates for TURP and will aim to evaluate the ability of the ClearRing™ to improve BPH symptoms while conforming to safety of the procedure.

In the proposed study the implants will be inserted by a dedicated delivery system with the aid of resectoscope. Electrical current will be administered by off-the-shelf CE Mark diathermy that passes through the system to cut and pave the ring course.

The proper positioning of the implants will be evaluated by cystoscopy or TRUS and following implant positioning the device will be withdrawn.

The delivery tool, the implants, resectoscope and the diathermy equipment will be supplied by ProArc Ltd.

Being tested
ClearRing™

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ClearRing™Device

Study groups in NCT02639442
Study groupRoleWhat they receive
ClearRing™Experimentalsubjects will undergo general/spinal/local block anesthesia and cystoscopy and/or x-ray evaluation. One to three implants will be transplanted into the patient prostate, followed by cystoscopy for results evaluation
Receives: Device: ClearRing™

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The frequency and severity of all treatment-related adverse events

    Measured: up to 3 months after procedure day

Secondary outcomes (5)
  1. Changes in Qmax

    measured by Uroflowmetry

    Measured: change from baseline until 3 months FU visit

  2. Changes in Post Void Residual

    measured by Ultra-Sound

    Measured: change from baseline until 3 months FU visit

  3. Changes in LUTS symptoms

    evaluated by patient's questionnaires (IPSS)

    Measured: change from baseline until 3 months FU visit

  4. Changes in LUTS symptoms

    evaluated by patient's questionnaires ( BPHII)

    Measured: change from baseline until 3 months FU visit

  5. Changes in LUTS symptoms

    evaluated by patient's questionnaires ( IIEF)

    Measured: change from baseline until 3 months FU visit

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Dec 2015 (estimated)
  2. Study startDec 2015
  3. Primary completionJun 2018
  4. Study completionMay 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
29 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02639442
Sponsor's protocol ID
PA-CP-10
Status last verified
Mar 2023
First submitted
17 Dec 2015
Last updated
20 Mar 2023
Results posted
No
Data monitoring committee
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A study testing ClearRing™ in people with Benign ProstaticHyperplasia (BPH), run by ProArc Medical at 2 sites in 2 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 16 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 20 Mar 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Israel, Latvia. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The frequency and severity of all treatment-related adverse events (time frame: up to 3 months after procedure day). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 20 Mar 2023.

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