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A Double-blind, Placebo-controlled Study to Evaluate New or Worsening Lens Opacifications in Subjects with Non-metastatic Prostate Cancer Receiving Denosumab for Bone Loss due to Androgen-Deprivation Therapy

Phase 3
Completed
Conditions
Health Condition 1: null- CancerCataractLow Bone Mineral DensityOsteopeniaOsteoporosisProstate CancerHealth Condition 2: C61- Malignant neoplasm of prostate
Registration Number
CTRI/2012/08/002905
Lead Sponsor
Amgen Technology Pvt Ltd
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Not specified
Target Recruitment
760
Inclusion Criteria

Men more than 30 years of age with non-metastatic prostate cancer

Have undergone bilateral orchiectomy or initiated ADT with GnRH agonists and is expected to continue on ADT for at least 12 months

ECOG score (0,1 or 2)

Baseline BCVA of 20/40, (6/12 or 0.5 on the decimal scale) or better using the ETDRS charts at 4 meters in one eye with a natural, intact lens

Bone Mineral Density (BMD) requirements:

If 70 years: BMD T-score at the lumbar spine, total hip, or femoral neck 2.5 and 1.0 (osteopenia) If 70 years of age: BMD T-score at lumbar spine and total hip and femoral neck -2.5 At least 2 evaluable lumbar vertebrae

Exclusion Criteria

Screening LOCS III grade of 3.5 for posterior subcapsular cataract, 4.0 for cortical cataract, or 4.5 for nuclear opalescence

Bone Mineral Density (BMD) T-score -2.5 at lumbar spine andor total hip andor femoral neck (osteoporosis)

evidence of distant metastases

Known osteonecrosis of the jaw (ONJ)

Unstable system disease including active infection, uncontrolled hypertension, unstable angina, congestive heart failure, or myocardial infarction within 6 months before randomization

Incisional eye surgery in both eyes or cataract surgery in both eyes

Current administration of IV bisphosphonates

PSA 5ngmL at screening

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Subject incidence of lens opacification event development or progression by month 12, based on a change of â?¥ 1.0 in P, â?¥ 1.0 in C, or â?¥ 0.7 in NO in the LOCS III score.Timepoint: Subject incidence of lens opacification event development or progression by month 12 exceeding a predefined level at any of 3 key lens locations using LOCS III score.
Secondary Outcome Measures
NameTimeMethod
Adverse event incidence and changes in safety analytes.Timepoint: [ Time Frame: One year ] [ Designated as safety issue: Yes ] <br/ ><br> <br/ ><br> <br/ ><br>;Subject incidence of lens opacification event development or progression by month 6, based on a change of â?¥ 1.0 in P, â?¥ 1.0 in C, or â?¥ 0.7 in NO in the LOCS III scoreTimepoint: [ Time Frame: One year ] [ Designated as safety issue: Yes ] <br/ ><br> <br/ ><br>
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