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A randomized controlled clinical trial of intravitreous fomivirsen for treatment of newly diagnosed peripheral cytomegalovirus retinitis in patients with AIDS.

AbstractPURPOSE:
To assess the efficacy of intravitreous fomivirsen sodium, an antisense oligonucleotide, for newly diagnosed peripheral cytomegalovirus (CMV) retinitis in patients with acquired immunodeficiency syndrome (AIDS).
DESIGN:
Randomized treatment intervention clinical trial.
METHODS:
A multicenter, prospective, and randomized clinical trial compared immediate treatment of CMV retinitis with fomivirsen (165 microg administered intravitreously) to deferral of treatment until CMV retinitis lesions progressed by standard definitions. Included were patients with CMV retinitis lesions at least 750 microm outside of zone 1. Fomivirsen was injected weekly for three doses as induction therapy, followed by injection every other week as maintenance therapy. All patients were examined regularly until evidence of retinitis progression. Time to first progression was determined by two independent masked fundus photography reading centers (principal outcome) and by clinician investigators based on indirect ophthalmoscopy. Patients in the deferral of treatment group were offered fomivirsen therapy at the time of clinically determined retinitis progression.
RESULTS:
Patients in the immediate treatment group (n = 18) and the deferral of treatment group (n = 10) were comparable at baseline. Median time to first progression of disease for the immediate treatment group was 71 days (95% confidence interval [CI] 28 days-not determinable) and for the deferral of treatment group was 13 days (95% CI 9-15 days; P =.0001, Wilcoxon rank sum test). Progression occurred in 44% of patients in the immediate treatment group during the study compared with 70% of patients in the deferral of treatment group during the study. There were no retinal detachments among eyes treated with fomivirsen.
CONCLUSIONS:
Fomivirsen is an effective treatment for CMV retinitis in patients with AIDS that utilizes a mechanism of action different than that of ganciclovir, foscarnet, and cidofovir.
AuthorsVitravene Study Group
JournalAmerican journal of ophthalmology (Am J Ophthalmol) Vol. 133 Issue 4 Pg. 467-74 (Apr 2002) ISSN: 0002-9394 [Print] United States
PMID11931780 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Multicenter Study, Randomized Controlled Trial)
Chemical References
  • Antiviral Agents
  • Ophthalmic Solutions
  • Thionucleotides
  • fomivirsen
Topics
  • AIDS-Related Opportunistic Infections (drug therapy, pathology)
  • Adult
  • Antiviral Agents (administration & dosage, therapeutic use)
  • Cytomegalovirus Retinitis (drug therapy, pathology)
  • Disease Progression
  • Double-Blind Method
  • Female
  • Humans
  • Injections
  • Male
  • Ophthalmic Solutions
  • Prospective Studies
  • Thionucleotides (administration & dosage, therapeutic use)
  • Treatment Outcome
  • Vitreous Body

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