ith hypersensitivity to ribavirin or any other component of the
product, women who are pregnant, men whose female partners are pregnant,
patients with hemoglobinopathies (e.g., thalassemia major, sickle-cell
anemia), and patients with creatinine clearance less than 50 mL/min.
Avoid Pregnancy
REBETOL therapy should not be started until a report of a negative
pregnancy test has been obtained immediately prior to planned initiation of
therapy. Extreme care must be taken to avoid pregnancy in female patients
and in female partners of male patients during therapy and 6 months
post-treatment. Patients should use at least two effective forms of
contraception and have monthly pregnancy tests during therapy and for 6
months after completion of therapy. A Ribavirin Pregnancy Registry has been
established to monitor maternal-fetal outcomes of pregnancies in female
patients and female partners of male patients exposed to ribavirin during
treatment, and for 6 months following cessation of treatment. Physicians
and patients are encouraged to report such cases by calling 1-800-593-2214.
Incidence of Adverse Events
There are no new adverse events specific to PEGINTRON as compared to
INTRON A; however, the incidence of some (e.g., injection site reactions,
fever, rigors, nausea) were higher. The most common adverse events
associated with PEGINTRON were "flu-like" symptoms, occurring in
approximately 50% of patients, which may decrease in severity as treatment
continues. Application site disorders were common (47%), but all were mild
(44%) or moderate (4%) and no patient discontinued, and included injection
site inflammation and reaction (i.e., bruise, itchiness, irritation).
Injection site pain was reported in 2% of patients receiving PEGINTRON.
Alopecia (thinning of the hair) is also often associated with alpha
interferons including PEGINTRON.
Psychiatric adverse events, which include insomnia, were common (57%)
with PEGINTRON but similar to INTRO
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SOURCE Schering-Plough Corporation Copyright©2008 PR Newswire. All rights reserved | |
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