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CompletedNCT03736512Updated Nov 15, 2023

China Greenlight Registry Study (Post-market)

An observational study in Benign Prostatic Hyperplasia (BPH), sponsored by Boston Scientific Corporation. Completed at 1 site in China. Open to male participants aged 40 Years and older. Per ClinicalTrials.gov, last updated 2023-11-15.

Sponsored by Boston Scientific Corporation · Observational

Study type
Observational
Model
Case-only
Time perspective
Prospective
Enrollment
30
Ages
40 Years and older
Sex
Male
01

Study summary

The duration of the study is expected to take approximately 3 years, which includes a recruitment period of approximately 12-months and 2 years (24-months) to complete procedure and follow-up visits.

Read the detailed description

The study follow-up duration from the primary study procedure is 5 years.

  • Baseline
  • Study Procedure
  • 4-week
  • 6-month
  • 12-month
  • 24-month (End of Study) The study will be considered complete after all subjects have completed the 24-month follow-up visit.
02

Conditions studied

  • Benign Prostatic Hyperplasia (BPH)
03

In context

Prostatic Hyperplasia

783 studies on the registry are indexed under Prostatic Hyperplasia; 174 are open to participants now.

This study's enrollment of 30 is below the median of 214 across 167 observational studies indexed under Prostatic Hyperplasia.

Browse Prostatic Hyperplasia studies →

Lead sponsor

Boston Scientific Corporation is the lead sponsor of 517 studies on the registry; 38 are open to participants now.

Of its 64 completed or terminated interventional studies of FDA-regulated products, 56 (88%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
40 Years and older
Sexes eligible
Male
Accepts healthy volunteers
No
Sampling method
Probability sample

Study population

Men diagnosed with benign prostatic hyperplasia (BPH) for whom GreenLight Laser therapy is recommended by their physician and eligible for inclusion.

Inclusion criteria

  • Subject has provided informed consent and agrees to attend all study visits
  • Subject has a diagnosis of lower urinary tract symptoms due to benign prostatic enlargement causing bladder outlet obstruction
  • Subject is able to complete self-administered questionnaires
  • Clinical investigator has documented in the subject's medical record that in his/her judgment the subject is a surgical candidate for the PVP procedure
  • Subject is ≥ 40 years of age
  • Subject has an IPSS score greater than or equal to 12 measured at the baseline visit
  • Subject has medical record documentation of a maximum urinary flow rate (Qmax) less than or equal to 15ml/s and sample is greater than or equal to 150ml (If uroflow testing documentation is available within 90 days prior to the informed consent date, and the sample is greater than or equal to 150ml, and the Qmax is less than or equal to 15ml/s it may be used for the inclusion/exclusion criteria)
  • Subject has medical record documentation of a prostate volume of greater than or equal to 30 grams by transrectal ultrasound (TRUS))

Exclusion criteria

Exclusion Criteria:

  • Subject has a life expectancy of less than 2 years
  • Subject is classified as American Society of Anesthesiologists (ASA) V
  • Subject is currently enrolled in, or plans to enroll in, any concurrent drug or device study unless preapproved by the sponsor
  • Subject has an active infection that would preclude operation within 14 days of the study procedure (e.g., urinary tract infection or prostatitis)
  • Subject has a diagnosis of, or has received treatment for, chronic prostatitis or chronic pelvic pain syndrome (e.g., non-bacterial chronic prostatitis)
  • Subject has a neurogenic bladder or other neurological disorder that would impact bladder function (e.g., multiple sclerosis, Parkinson's disease, spinal cord injuries)
  • Subject has a diagnosis of polyneuropathy (e.g., diabetic)
  • Subject has diagnosis of stress urinary incontinence that requires treatment or daily pad/device use
  • Subject has a diagnosis of prostate cancer or suspected prostate cancer based on PSA results and meeting the following:

PSA level of 4 - 10 with an abnormal DRE (if biopsy collected must be positive); PSA level greater than 10 with a positive biopsy

  • Subject has a history of CIS, TaGIII or any T1 stage bladder cancer
  • Subject has damage to external urinary sphincter
  • Subject has had an acute myocardial infarction, open heart surgery or cardiac arrest less than 180 days prior to the date of informed consent
  • Subject is immunocompromised (e.g., organ transplant, leukemia)
  • Subject currently or has a history of upper urinary tract stones
  • Subject currently diagnosed with OAB and treated with medication If the subject does not carry a diagnosis but is suspected to have OAB, the investigator must use his/her discretion
05

Study design

Observational model
Case-only
Time perspective
Prospective
Enrollment
30 participants (actual)
Target follow-up
2 Years
Patient registry
Yes

Interventions

  • DeviceGreenLight XPS™ 532 nm Laser System with MoXy™ laser fiber

    observational registry

06

What researchers measure

Primary outcomes

  1. The GreenLight XPS system provides durable relief of BPH symptoms in subjects.

    Changes of IPSS Scores in subjects treated with the GreenLight XPS Laser System at 6 months

    Time frame: 6-month follow up

07

Study locations

1 site
  • Sun Yat-sen Memorial Hosptital, Sun Yat-sen University
    Guangzhou, Guangdong, China
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 15, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03736512
Lead sponsor
Boston Scientific Corporation
Responsible party
Sponsor
First posted
Nov 9, 2018
Start date
Feb 27, 2019
Primary completion
Mar 30, 2021
Completion
Nov 29, 2021
Last update
Nov 15, 2023

Study contacts

Jian Huang, Doctor
principal investigator · Sun Yat-sen Memorial Hosptital, Sun Yat-sen University

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Nov 2023. You cannot join it, but the record below documents what was studied.

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