Presbyopia in Breast Cancer Survivors

Presbyopia Clinical Trial

Official title:

Presbyopia in Breast Cancer Survivors

Clinical Trial Details — Status: Withdrawn

Administrative data

• NCT number: NCT00271661
• Other study ID #: BR-1-0072
• Secondary ID: ETHICS 22007
• Status: Withdrawn
• Phase: N/A
• First received: December 30, 2005
• Last updated: December 8, 2011
• Start date: August 2005
• Est. completion date: May 2006

Study information

• Verified date: December 2011
• Source: AHS Cancer Control Alberta
• Contact: n/a
• Is FDA regulated: No
• Health authority: Canada: Health Canada
• Study type: Observational

Clinical Trial Summary

Chemotherapy drugs, used in cancer treatments, may change the timing of a vision condition known as presbyopia. Presbyopia is the inability to focus the eye on close objects, by a process called accommodation. It is caused by an increase in the stiffness of the lens of the eye that occurs naturally with aging. Currently, there are no known treatments that can be used to prevent or delay presbyopia. As a result, the risk, in later life, of having this condition is essentially 100%.

The purpose of this research is to determine whether chemotherapy drugs are delaying the age at which people develop symptoms of presbyopia. We hope to establish that presbyopia can in fact be delayed with the use of drugs, which would ultimately lead to further research in this area.

Description:

Chemotherapy drugs, used in cancer treatments, may change the timing of a vision condition known as presbyopia. Presbyopia is the inability to focus the eye on close objects, by a process called accommodation. It is caused by an increase in the stiffness of the lens of the eye that occurs naturally with aging. Currently, there are no known treatments that can be used to prevent or delay presbyopia. As a result, the risk, in later life, of having this condition is essentially 100%.

The purpose of this research is to determine whether chemotherapy drugs are delaying the age at which people develop symptoms of presbyopia. We hope to establish that presbyopia can in fact be delayed with the use of drugs, which would ultimately lead to further research in this area.

Recruitment information / eligibility

• Status: Withdrawn
• Enrollment: 0
• Est. completion date: May 2006
• Accepts healthy volunteers: No
• Gender: Both
• Age group: 45 Years to 60 Years

Eligibility

Inclusion Criteria:

• ages 45-60

• ability to understand and provide written consent in English

Exclusion Criteria:

• blindness

• visual defects leading to accommodative failure

• severe myopia

• recurrent breast cancer

Study Design

Time Perspective: Retrospective

Related Conditions & MeSH terms

• Presbyopia

Locations

Country	Name	City	State
n/a

Sponsors (1)

Lead Sponsor	Collaborator
Alberta Health Services