- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00001611
Immune Activity Against CVM Retinitis
Efficacy of Elevated CD4 Cell Counts on CMV Retinitis
This study will investigate whether medication for cytomegalovirus (CMV) retinitis-a viral infection of the eye-can safely be stopped in HIV-infected patients whose immune function has improved from anti-HIV therapy. Medicines taken to fight CMV infection (ganciclovir, foscarnet, and cidofovir) can cause serious side effects, such as low blood counts and kidney damage. Stopping these medications may, therefore, be beneficial.
Patients with HIV infection who develop CVM retinitis usually have very low levels of infection-fighting white blood cells called CD4 cells-less than 50 cells per microliter of blood. New anti-HIV medications have been able to raise CD4 levels and improve immune function in many patients. This study will see if patients with CD4 levels above 150 cells per microliter can fight CVM retinitis without additional anti-CVM drugs.
HIV-infected patients with CVM retinitis will have a physical examination and complete eye examination. These tests will be repeated after 2 weeks. If there is no evidence that the CMV infection has progressed, and if it is in a location that is not immediately sight-threatening, anti-CMV medications will be stopped. Patients will be examined every 2 weeks for 3 months and then every 3 weeks for the next 3 months. Patients whose CD4 count has remained above 100 after 6 months will continue to be followed every 4 weeks until the CVM infection becomes active again. At that time, anti-CVM medicines will be re-started. Patients will also have blood and urine samples taken to test for levels of HIV and CMV in the blood and urine, and will be interviewed about their vision and how it affects daily activities.
Study Overview
Status
Detailed Description
Study Type
Enrollment
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Eye Institute (NEI)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
INCLUSION CRITERIA:
Diagnosis of AIDS as defined by the Centers for Disease Control.
Inactive, non-sight-threatening CMV retinitis. Non sight-threatening CMV retinitis is defined as CMV retinitis not within 1000 microns from the optic disc or 1000 microns from the fovea. Exception: patients with CMV retinitis within 1000 microns of the fovea or disc in only one eye, if visual acuity in that eye is worse than 20/400 without the use of eccentric fixation, and visual acuity in the other eye is 20/400 or better.
CD4 T cell count greater than 150 cells per microliter.
Patients must be able understand the nature of the study, agree to the provision, and understand and sign the informed consent form.
Women and men age 18 or older are eligible for enrollment.
Platelets greater than 25,000/microliter.
Hemoglobin greater than 8.5 gms.
Total neutrophil count greater than 750/mm(3).
Karnofsky performance score greater than or equal to 60.
Receiving systemic anti-CMV therapy.
Receiving anti-HIV therapy. If the patient is receiving IL-2, at least one month from last infusion must elapse prior to assessment for eligibility.
EXCLUSION CRITERIA:
Intraocular sustained release ganciclovir implant in the eye for less than 9 months, or other organ involvement from CMV infection requiring use of systemic ganciclovir or foscarnet.
CMV retinitis should not involve the retina solely anterior to the equator, or within 1000 microns from the optic disc, or within 1000 microns from the fovea. Exception: patients with lesions that have involved the fovea or disc and caused visual acuity worse than 20/400 without the use of eccentric fixation, may be included.
Opacification of the cornea, lens, or vitreous in either eye that precludes examination of the fundus.
Other retinal disease that could obscure the diagnosis of CMV retinitis, such as ocular toxoplasmosis.
Significant psychiatric or emotional disorders that would impair patient understanding or participation in the trial.
Life expectancy less than three months.
Active CMV disease requiring systemic anti-CMV therapy.
CMV retinitis first diagnosised with CD4 T-cell count greater than 150 cells per microliter.
Need for medications with anti-CMV effect.
Participation in conflicting clinical trial.
Progression of CMV retinitis between screening and baseline examinations.
Study Plan
How is the study designed?
Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Whitcup SM, Fortin E, Nussenblatt RB, Polis MA, Muccioli C, Belfort R Jr. Therapeutic effect of combination antiretroviral therapy on cytomegalovirus retinitis. JAMA. 1997 May 21;277(19):1519-20. No abstract available.
- Masur H, Whitcup SM, Cartwright C, Polis M, Nussenblatt R. Advances in the management of AIDS-related cytomegalovirus retinitis. Ann Intern Med. 1996 Jul 15;125(2):126-36. doi: 10.7326/0003-4819-125-2-199607150-00009.
- Whitcup SM. Ocular manifestations of AIDS. JAMA. 1996 Jan 10;275(2):142-4. No abstract available.
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- RNA Virus Infections
- Virus Diseases
- Infections
- Blood-Borne Infections
- Communicable Diseases
- Sexually Transmitted Diseases, Viral
- Sexually Transmitted Diseases
- Lentivirus Infections
- Retroviridae Infections
- Immune System Diseases
- Eye Diseases
- Retinal Diseases
- DNA Virus Infections
- Herpesviridae Infections
- Slow Virus Diseases
- Eye Infections
- Eye Infections, Viral
- Cytomegalovirus Infections
- HIV Infections
- Retinitis
- Acquired Immunodeficiency Syndrome
- Immunologic Deficiency Syndromes
- Cytomegalovirus Retinitis
Other Study ID Numbers
- 970081
- 97-EI-0081
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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