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Drug Safety-related Labeling Changes (SrLC)

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SOVALDI (NDA-212480)

(SOFOSBUVIR)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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09/19/2019 (SUPPL-1)

Approved Drug Label (PDF)

7 Drug Interactions

7.1 Potentially Significant Drug Interactions

(additions underlined)

Clearance of HCV infection with direct acting antivirals may lead to changes in hepatic function, which may impact the safe and effective use of concomitant medications. For example, altered blood glucose control resulting in serious symptomatic hypoglycemia has been reported in diabetic patients in postmarketing case reports and published epidemiological studies. Management of hypoglycemia in these cases required either discontinuation or dose modification of concomitant medications used for diabetes treatment.

Frequent monitoring of relevant laboratory parameters (e.g. International Normalized Ratio [INR] in patients taking warfarin, blood glucose levels in diabetic patients) or drug concentrations of concomitant medications such as cytochrome P450 substrates with a narrow therapeutic index (e.g. certain immunosuppressants) is recommended to ensure safe and effective use. Dose adjustments of concomitant medications may be necessary.


Information on potential drug interactions with SOVALDI is summarized in Table 7. The table is not all-inclusive.

(please refer to label to view Table 7)