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Macular DegenerationPhase 1/2NCT00100087

Safety Study for Treatment of Wet Macular Degeneration Using the TheraSight(TM) Ocular Brachytherapy System

A Phase 1/2 study testing Ocular Brachytherapy in people with Macular Degeneration and Choroidal Neovascularization, run by Theragenics Corporation at 6 sites in United States.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The study will investigate the safety and feasibility of using the TheraSight(TM) Brachytherapy System for treatment of wet age-related macular degeneration (AMD). Read more about this study

Who is it for?
Ages 50 years and older
What is being tested?
Ocular Brachytherapy
Type of treatment
Medical device
How many people
30 participants
Where
6 sitesUnited States
Study dates
Oct 2004to not given
Phase
Phase 1/2
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age 50 years or older.
  • Active primary or recurrent subfoveal CNV secondary to AMD with minimally classic or occult lesion, where an active lesion is defined as one or more of the following:
  • An increase > 10% in lesion size (greatest linear dimension) on screening fluorescein angiography compared to previous fluorescein angiography no more than 180 days preceding screening visit
  • b) Subretinal hemorrhage associated with CNV within 90 days of screening visit.
  • c) Visual acuity loss > 1 Snellen line in screening visual acuity compared to previous visual acuity no more than 180 days preceding screening
  • Lesion < 6 mm greatest linear dimension (GLD)
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  • Submacular blood must comprise less than 75% of the total lesion
  • Subretinal fibrosis must comprise less than 25% of the total lesion
  • Study eye best-corrected vision of 20/100 or poorer measured on an ETDRS chart (< 48 letters correct)
  • Fellow eye best-corrected vision that is at least one line better on an ETDRS chart than the best-corrected vision of the study eye
  • HbA1c < 6%
  • Read and signed informed consent

Who cannot join

  • Prior AMD therapy treatment, including but not limited to laser and photodynamic therapy.
  • Current or planned participation in the next 180 days in other experimental trials involving treatment of neovascular AMD in the study eye, ocular devices, or trials involving treatment for ocular conditions other than AMD.
  • Prior ophthalmic surgery for the study eye other than cataract extraction and/or capsulotomy. A minimum interval of 180 days must elapse between cataract extraction or capsulotomy and study enrollment.
  • Likely need for cataract surgery in study eye during the 180 days following TheraSight(TM) System treatment.
  • Presence of other eye diseases that could compromise visual acuity in the study eye or that, in the clinical judgment of the evaluating study ophthalmologist, might create special risk for the study participant.
  • CNV due to other causes such as ocular histoplasmosis or pathologic myopia.
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  • Endstage fibrotic disciform lesions.
  • Diabetes requiring diet modification, or medication, or insulin.
  • Current history of malignancy (except participants having basal cell carcinoma that was treated successfully, or other malignancy operated on or treated and in remission for five years prior to inclusion in the trial).
  • Hypertensive retinopathy.
  • Major cardiovascular or cerebrovascular event within the last year; examples include congestive heart failure, myocardial infarction, and stroke.
  • Inability to complete follow-up.
  • Allergy to fluorescein dye.
  • Previous radiation to the study eye.
  • Pregnancy at time of surgical procedure.

Trial locations and contacts

6 sites in 1 country.

Theragenics Corporation contact

1-877-960-1234

6 sites in 1 country

United States6 sites, 6 recruiting
  • Theragenics Clinical Site

    Atlanta, Georgia

    Recruiting
  • Theragenics Clinical Site

    Augusta, Georgia

    Recruiting
  • Theragenics Clinical Site

    Boston, Massachusetts

    Recruiting
  • Theragenics Clinical Site

    Indianapolis, Indiana

    Recruiting
  • Theragenics Clinical Site

    Newark, New Jersey

    Recruiting
  • Theragenics Clinical Site

    Raleigh / Durham, North Carolina

    Recruiting

Other trials in United States

About this study

Official title: A Safety and Feasibility Study of the TheraSight(TM) Ocular Brachytherapy System for Treatment of Age-Related Macular Degeneration

The study will investigate the safety and feasibility of using the TheraSight(TM) Brachytherapy System for treatment of wet age-related macular degeneration (AMD).

Read the detailed description

This is a multi-center randomized study of three doses of radiation (assigned 1:1:1) delivered by the TheraSight(TM) Brachytherapy System in participants with choroidal neovascularization (CNV) secondary to wet (exudative) AMD. Each participant receives a single dose of radiation delivered by one-time only brachytherapy. Participants are followed for three years after the radiation treatment.

Being tested
Ocular Brachytherapy
Keywords
macular degeneration, brachytherapy, choroidal neovascularization, retinal degeneration, retinal diseases
Medical subject headings
Macular Degeneration, Choroidal Neovascularization, Retinal Degeneration, Retinal Diseases

What participants receive

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

  • Ocular BrachytherapyDevice

What is being measured

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

  1. Incidence of serious adverse events 30 to 270 days after treatment

Secondary outcomes (4)
  1. Serious adverse events occurring 9 months to 3 years after treatment

  2. Reported adverse events occurring at any time after treatment

  3. Feasibility of device use based on physician interviews and ultrasonography

  4. Observation of retinal and angiographic appearance of CNV lesion and best-corrected visual acuity

Timeline

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

  1. First posted23 Dec 2004 (estimated)
  2. Study startOct 2004

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 1/2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
30 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00100087
Sponsor's protocol ID
NPD-07-01
Status last verified
Jan 2005
First submitted
22 Dec 2004
Last updated
24 Jun 2005
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Ocular Brachytherapy in people with Macular Degeneration and Choroidal Neovascularization, run by Theragenics Corporation at 6 sites in United States.

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 12 inclusion and 15 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: status not confirmed, as of the sponsor's last update on 24 Jun 2005. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 6 sites in United States. 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.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

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

Contact Theragenics Corporation (1-877-960-1234), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Incidence of serious adverse events 30 to 270 days after treatment. 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 24 Jun 2005.

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