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CompletedNCT00709488Updated Nov 16, 2012

Phase 1 Study of the Litx™ BPH System in Patients With Lower Urinary Tract Symptoms (LUTS) Due to Benign Prostatic Hyperplasia (BPH)

A Phase 1 interventional study of Talaporfin sodium and Placement of device in prostate urethra in Benign Prostatic Hyperplasia and Lower Urinary Tract Symptoms, sponsored by Light Sciences Oncology. Completed at 6 sites in United States. Open to male participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2012-11-16.

Sponsored by Light Sciences Oncology · Phase 1, Interventional, and Treatment

Phase
Phase 1
Study type
Interventional
Enrollment
12
Allocation
Not applicable
Ages
18 Years and older
Sex
Male
01

Study summary

This is a phase 1 study to evaluate the safety and effectiveness of using the Litx™ BPH System in patients with LUTS due to benign prostatic hyperplasia (BPH).

Read the detailed description

The eligible patients will be enrolled into one of the three Litx™ treatment Cohorts (A, B or C)

All patients will undergo the procedure of Litx™ BPH Device placement into the prostate urethra.

Following the placement of the Litx™ BPH Device into the urethra, patients in Cohort A will be administered an intravenous dose of LS11 (talaporfin sodium) at 1 mg/kg by slow push over 3 - 5 minutes. Fifteen minutes after injection, each patient will be administered a 50 J total light dose, delivered at 20 mW/cm over a 42 minute time period.

Following the placement of the Litx™ BPH Device into the urethra, patients in Cohort B will receive LS11 intravenously at 1 mg/kg by slow push over 3 to 5 minutes. The light activation procedure is the same as that for Cohort A except that a light dose of 70 J will be delivered to each patient over a 58 minute time period.

Following the placement of the Litx™ BPH Device into the urethra, patients in Cohort C will receive LS11 intravenously at 1 mg/kg by slow push over 3 to 5 minutes. The light activation procedure is the same as that for Cohort A except that a light dose of 100 J will be delivered to each patient over a 83 minute time period.

Following the placement of the Litx™ BPH Device into the urethra, patients in Cohort D will receive LS11 intravenously at 1 mg/kg by slow push over 3 to 5 minutes. The light activation procedure is the same as that for Cohort C except that the active light emitting length is 20 mm instead of 10mm.

After 30 days, patients who have not experienced an improvement in symptoms, as determined by the investigator, may undergo an additional interventional therapy with continued follow-up per the protocol.

Four weeks following treatment of the last patient in the current cohort, the number of patients requiring surgical intervention for relief of primary symptoms will be assessed for futility of the protocol prior to commencing with treatment of the first patient in the next consecutive cohort.

Upon acceptable safety assessment four weeks after completing the last patient treatment in each cohort, the first patient in the next consecutive cohort may be treated.

02

Conditions studied

  • Benign Prostatic Hyperplasia
  • Lower Urinary Tract Symptoms

Keywords

  • Litx™ BPH System
  • LS11
  • Talaporfin sodium
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 12 is below the median of 97 across 593 interventional studies indexed under Prostatic Hyperplasia.

Browse Prostatic Hyperplasia studies →

Lead sponsor

Light Sciences Oncology is the lead sponsor of 7 studies on the registry; none are open to participants now.

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

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
Male
Accepts healthy volunteers
No

Inclusion criteria

  • Males, 50 years or older, who are on an alpha blocker and/or a 5-alpha reductase inhibitor or a combination, and are candidates for interventional therapy. Patients to continue on an alpha blocker and/or 5-alpha reductase inhibitor for at least one-month after the Litx™ treatment, then tapered off medication at physician's discretion.
  • Patients who understand and have the ability to sign written informed consent prior to any study procedures and discontinuation of exclusionary medications.
  • Patients with moderate to severe BPH bother score >3 requiring non-medication intervention.
  • Patients with an IPSS1 Score of >15 points.
  • Maximum urinary flow rate (Qmax) ≤15 mL/sec.
  • Post void residual volume (PVR) ≤300 mL.
  • Prostatic volume >50g by TRUS.

Exclusion criteria

Exclusion Criteria:

  • Patients with any previous minimally invasive or surgical intervention for BPH.
  • Patients who have enrolled, or are currently enrolled in, another clinical trial for any disease within the past 30 days.
  • Patients with an active urinary tract infection.
  • Patients with a urethral stricture.
  • Patients with a predominant middle lobe obstruction.
  • Patients who have evidence or history of prostate or bladder cancer.
  • Patients with a PSA of >10 ng/ml. If the PSA is 4-10 ng/ml, preliminary biopsy should be done within one-year prior to entry into the study to rule out prostate cancer.
  • Patients who had a biopsy of the prostate within the past 6 weeks.
  • Patients with bleeding diathesis.
  • Patients with clinically significant renal or hepatic impairment.
  • Patients with neurological conditions felt to affect the bladder or a history of a neurogenic or chronically decompensated bladder.
  • Patients who daily use a pad or device for incontinence.
  • Patients who had an episode of unstable angina pectoris, myocardial infarction, transient ischemic attack, or cerebrovascular accident (stroke) within the past 6 months, or peripheral arterial disease with intermittent claudication or Leriches syndrome.
  • Patient has an interest in future fertility.
  • Patients with prolonged QT interval at baseline or currently taking medications that prolong QT interval (prolonged QT interval defined as > 450 ms).
  • Inadequate organ function as evidenced by the following: Platelet count \<100,000/mm³; WBC \<4,000/mm³; Neutrophils \<1,800/mm³; Hemoglobin \<10 g/dL; SGOT and SGPT >3 x ULN; Creatinine >1.2 mg/dL
  • Known sensitivity to porphyrin-type drugs or known history of porphyria.
  • Known sensitivity to antibiotics (i.e., levofloxacin, gentamicin, etc.).
  • Inability to avoid sunlight after procedure during the first 2 weeks after LS11 administration.
05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
12 participants (actual)

Study arms

  • Experimental
    Litx™ BPH Therapy

    Drug: Talaporfin sodium · Procedure: Placement of device in prostate urethra · Device: Transurethral illumination with light emitting diodes (Litx™ BPH Device)

Interventions

  • DrugTalaporfin sodium

    LS11 (Talaporfin Sodium) dose is 1mg/kg administered intravenously slow push (3-5 minutes).

    Also known as: LS11, Mono-L-aspartyl Chlorin e6

  • ProcedurePlacement of device in prostate urethra

    Placement of device in prostate urethra

  • DeviceTransurethral illumination with light emitting diodes (Litx™ BPH Device)

    Patients in Cohort A will receive 50 J of light treatment with 1 mg/kg LS11 administration; patients in Cohort B will receive 70 J of light treatment with 1 mg/kg LS11 administration; patients in Cohort C will receive 100 J of light treatment with 1 mg/kg LS11 administration; patients in Cohort D will receive 100 J of light treatment (with the active light emitting length increased from 10mm to 20 mm) with 1 mg/kg LS11 administration.

06

What researchers measure

Primary outcomes

  1. Safety of Litx™ BPH System by Recording of Adverse Events; Preliminary effectiveness of Litx™ BPH System by evaluating the International Prostate Symptom Score (IPSS) along with Bother Score (BS).

    Time frame: 9 months

Secondary outcomes

  1. To assess the effect of the Litx™ treatment following tests by: Maximum urinary flow rate (Qmax); Post void residual volume (PVR); Transrectal ultrasound (TRUS) to measure prostate size and treatment effect.

    Time frame: 9 months

07

Study locations

6 sites
  • Alaska Clinical Research Center
    Anchorage, Alaska 99508, United States
  • UCLA School of Medicine, GU Clinical Trials Office
    Los Angeles, California 90095, United States
  • The Portland Clinic
    Portland, Oregon 97205, United States
  • Urology San Antonio Research
    San Antonio, Texas 78229, United States
  • Integrity Medical Research
    Mountlake Terrace, Washington 98043, United States
  • Seattle Urological Associates
    Seattle, Washington 98104, United States
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 16, 2012, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT00709488
Lead sponsor
Light Sciences Oncology
Responsible party
Sponsor
First posted
Jul 3, 2008
Start date
Jun 2008
Primary completion
Apr 2011
Completion
Apr 2011
Last update
Nov 16, 2012

Study contacts

Sy-Shi Wang, PhD
study director · Light Sciences Oncology, Inc

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Nov 2012. You cannot join it, but the record below documents what was studied.

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