Drug Safety-related Labeling Changes (SrLC)

Get Email Alerts | Guide

Drug Safety-related Labeling Changes (SrLC) Database

ANDA	Abbreviated New Drug Application
BLA	Biologics License Application
CDER	Center for Drug Evaluation and Research
MG	Medication Guide
NDA	New Drug Application
PCI	Patient Counseling Information
PI	Patient Information
PLR	Physician Labeling Rule
PLLR	Pregnancy and Lactation Labeling Rule
Italics	For the most part, italics indicate an FDA comment such as: Additions and/or revisions underlined These italics usually appear at the beginning of the section. In some cases, italics may be an inherent part of the label, and will most often appear in the body of the section.
Underlines	Any text that is underlined indicates text that has been added or revised. There are exceptions where underlining occurs in a section subtitle or heading. This is the case when there is just one word underlined in the body of the text.

Sections

BW	Box Warning
WP	Warnings and Precautions all in one section (PLR-format) Warnings as one section (pre-PLR format) Precautions as one section (pre-PLR format)
AR	Adverse Reactions (in pre-PLR format, this may be a subheading under precautions).
DI	Drug Interactions (in pre-PLR format, this may be a subheading under precautions).
USP	Use in Specific Populations (Inclusive on one or more of the following: Pregnancy; Lactation (PLLR- format); Nursing Mothers (pre-PLLR format); Females and Males of Reproductive Potential (PLLR format only); Pediatric Use, Geriatric Use, Renal Impairment, Hepatic Impairment, Sex, Race (these last six may be a subheading of precautions if label in pre-PLLR format.
PCI/PI/MG	Patient Counseling Information (PLR format only) - summarizes the information that a health care provider should convey to a patient (or caregiver when applicable) when a counseling discussion is taking place (e.g., a physician prescribing a drug during an office visit, a nurse providing discharge instructions at a hospital, or a pharmacist conveying information at a pharmacy). Patient Information - FDA approved patient labeling. Medication Guide - paper handouts that come with many prescription medicines. The guides address issues that are specific to particular drugs and drug classes, and they contain FDA-approved information that can help patients avoid serious adverse events.

Only NDAs and CDER regulated BLAs are included in this database. ANDAs are not included.

Applications that remain active, even if the product has been discontinued, undergo safety-related labeling changes.

FOSCAVIR (NDA-020068)

(FOSCARNET SODIUM)

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

Download Data

Expand all

02/24/2017 (SUPPL-23)

Approved Drug Label (PDF)

5 Warnings and Precautions

WARNINGS

(Additions and/or revisions are underlined)

Hypersensitivity

Serious acute hypersensitivity reactions (e.g., anaphylactic shock, urticaria, angioedema)

have been reported postmarketing in patients receiving FOSCAVIR. If such an acute reaction occurs, therapy should be discontinued and appropriate medical therapy immediately instituted.

QT prolongation and torsade de pointes

FOSCAVIR has been associated with prolongation of the QT interval, an ECG abnormality

that has been associated with torsades de pointes, which has been reported during postmarketing surveillance for FOSCAVIR. Some of these patients had confounding risk factors such as underlying cardiac disease, electrolyte abnormalities and other concomitant medications.

Use with caution in patients who have a history of QT prolongation, in patients who are taking medications known to prolong the QT interval, in patients with electrolyte disturbances, or in patients who have other risk factors for QT prolongation. Electrocardiograms (ECGs) and measurement of electrolytes should be obtained prior to treatment initiation and periodically during treatment with FOSCAVIR.

6 Adverse Reactions

(Additions and/or revisions are underlined)

Incidence between 1% and 5%

Body as a Whole: back pain, chest pain (including reports of transient chest pain as part of infusion reactions), edema, influenza-like symptoms, bacterial infections, moniliasis, fungal infections, abscess

Adverse events that have been reported in post-marketing surveillance include: administration site extravasation, localized edema, hypersensitivity reactions (including anaphylactic shock, urticaria and angioedema) (see WARNINGS section), gastrointestinal hemorrhage, increased lipase, glomerulonephritis, nephrotic syndrome, proteinuria,…

7 Drug Interactions

(Additions and/or revisions are underlined)

Because of the risk of QT prolongation and the potential for torsades de pointes, the use of FOSCAVIR should be avoided in combination with agents known to prolong the QT interval including Class IA (e.g., quinidine or procainamide) or Class III (e.g., dofetilide, amiodarone, sotalol) antiarrhythmic agents, phenothiazines, tricyclic antidepressants, and certain macrolides and fluoroquinolones.

17 PCI/PI/MG (Patient Counseling Information/Patient Information/Medication Guide)

Information for Patients

(Additions and/or revisions are underlined)

General: …Patients should also be advised to promptly report any cardiac symptoms…

11/10/2016 (SUPPL-22)

Approved Drug Label (PDF)

5 Warnings and Precautions

Seizures

… Several cases of seizures were associated with death. Cases of status epilepticus have been reported…

6 Adverse Reactions

Following Table 12:

Adverse events that have been reported in post-marketing surveillance include: status epilepticus, ventricular arrhythmia, prolongation of QT interval, torsade de pointes, gamma GT increased, diabetes insipidus (usually nephrogenic), renal calculus, Fanconi syndrome acquired, renal tubular acidosis, renal tubular necrosis, crystal-induced nephropathy, hypercalcemia, hypernatremia, esophageal ulceration and muscle disorders including myopathy, myositis…