TELAVANCIN HYDROCHLORIDE- telavancin hydrochloride injection, powder, lyophilized, for solution
- Women of childbearing potential should have a serum pregnancy test prior to administration of VIBATIV
- Avoid use of VIBATIV during pregnancy unless the potential benefit to the patient outweighs the potential risk to the fetus
- Adverse developmental outcomes observed in 3 animal species at clinically relevant doses raise concerns about potential adverse developmental outcomes in humans [see Warnings and Precautions (5.1), Use in Specific Populations (8.1)]
To reduce the development of drug-resistant bacteria and maintain the effectiveness of VIBATIV and other antibacterial drugs, VIBATIV should be used only to treat infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
VIBATIV is indicated for the treatment of adult patients with complicated skin and skin structure infections (cSSSI) caused by susceptible isolates of the following Gram-positive microorganisms: Staphylococcus aureus (including methicillin-susceptible and -resistant isolates), Streptococcus pyogenes , Streptococcus agalactiae , Streptococcus anginosus group (includes S. anginosus, S. intermedius, and S. constellatus) , or Enterococcus faecalis (vancomycin-susceptible isolates only).
Combination therapy may be clinically indicated if the documented or presumed pathogens include Gram-negative organisms.
Appropriate specimens for bacteriological examination should be obtained in order to isolate and identify the causative pathogens and to determine their susceptibility to telavancin. VIBATIV may be initiated as empiric therapy before results of these tests are known.
The recommended dosing for VIBATIV is 10 mg/kg administered over a 60-minute period in patients ≥18 years of age by intravenous infusion once every 24 hours for 7 to 14 days. The duration of therapy should be guided by the severity and site of the infection and the patient’s clinical and bacteriological progress.
Because telavancin is eliminated primarily by the kidney, a dosage adjustment is required for patients whose creatinine clearance is ≤50 mL/min, as listed in Table 1 [see Clinical Pharmacology (12.3)].
* As calculated using the Cockcroft-Gault formula [see Clinical Pharmacology (12.3) ]
|Creatinine Clearance * (mL/min)||VIBATIV Dosage Regimen|
|>50||10 mg/kg every 24 hours|
|30 — 50||7.5 mg/kg every 24 hours|
|10 — <30||10 mg/kg every 48 hours|
There is insufficient information to make specific dosage adjustment recommendations for patients with end-stage renal disease (CrCl <10 mL/min), including patients undergoing hemodialysis.
250 mg vial: Reconstitute the contents of a VIBATIV 250 mg vial with 15 mL of 5% Dextrose Injection, USP; Sterile Water for Injection, USP; or 0.9% Sodium Chloride Injection, USP. The resultant solution has a concentration of 15 mg/mL (total volume of approximately 17.0 mL).
750 mg vial: Reconstitute the contents of a VIBATIV 750 mg vial with 45 mL of 5% Dextrose Injection, USP; Sterile Water for Injection, USP; or 0.9% Sodium Chloride Injection, USP. The resultant solution has a concentration of 15 mg/mL (total volume of approximately 50.0 mL).
The following formula can be used to calculate the volume of reconstituted VIBATIV solution required to prepare a dose:
Telavancin dose (mg) = 10 mg/kg or 7.5 mg/kg x patient weight (in kg) (see Table 1)
Volume of reconstituted solution (mL) = Telavancin dose (mg) 15 mg/mL
For doses of 150 to 800 mg, the appropriate volume of reconstituted solution must be further diluted in 100 to 250 mL prior to infusion. Doses less than 150 mg or greater than 800 mg should be further diluted in a volume resulting in a final concentration of 0.6 to 8 mg/mL. Appropriate infusion solutions include: 5% Dextrose Injection, USP; 0.9% Sodium Chloride Injection, USP; or Lactated Ringer’s Injection, USP. The dosing solution should be administered by intravenous infusion over a period of 60 minutes.
Reconstitution time is generally under 2 minutes, but can sometimes take up to 20 minutes. Mix thoroughly to reconstitute and check to see if the contents have dissolved completely. Parenteral drug products should be inspected visually for particulate matter prior to administration. Discard the vial if the vacuum did not pull the diluent into the vial.
Since no preservative or bacteriostatic agent is present in this product, aseptic technique must be used in preparing the final intravenous solution. Studies have shown that the reconstituted solution in the vial should be used within 4 hours when stored at room temperature or within 72 hours under refrigeration at 2 to 8°C (36 to 46°F). The diluted (dosing) solution in the infusion bag should be used within 4 hours when stored at room temperature or used within 72 hours when stored under refrigeration at 2 to 8°C (36 to 46°F). However, the total time in the vial plus the time in the infusion bag should not exceed 4 hours at room temperature and 72 hours under refrigeration at 2 to 8°C (36 to 46°F).
VIBATIV is administered intravenously. Because only limited data are available on the compatibility of VIBATIV with other IV substances, additives or other medications should not be added to VIBATIV single-use vials or infused simultaneously through the same IV line. If the same intravenous line is used for sequential infusion of additional medications, the line should be flushed before and after infusion of VIBATIV with 5% Dextrose Injection, USP; 0.9% Sodium Chloride Injection, USP; or Lactated Ringer’s Injection, USP.
VIBATIV is supplied in single use vials containing either 250 or 750 mg telavancin as a sterile, lyophilized powder.
Women of childbearing potential should have a serum pregnancy test prior to administration of VIBATIV. If not already pregnant, women of childbearing potential should use effective contraception during VIBATIV treatment.
Avoid use of VIBATIV during pregnancy unless the potential benefit to the patient outweighs the potential risk to the fetus. VIBATIV caused adverse developmental outcomes in 3 animal species at clinically relevant doses. This raises concern about potential adverse developmental outcomes in humans [see Use in Specific Populations (8.1)].
Increases in serum creatinine to 1.5 times baseline occurred more frequently among VIBATIV-treated patients with normal baseline serum creatinine (15%) compared with vancomycin-treated patients with normal baseline serum creatinine (7%).
In 30/929 (3.1%) of VIBATIV-treated patients compared to 10/938 (1.1%) of vancomycin-treated patients, renal adverse events indicative of renal impairment occurred, as defined by the following terms: increased serum creatinine, renal impairment, renal insufficiency, and/or renal failure. In 17 of the 30 VIBATIV-treated patients, these adverse events had not completely resolved by the end of the trials, compared with 6 of the 10 vancomycin-treated patients. Serious adverse events indicative of renal impairment occurred in 11/929 (1.2%) of VIBATIV-treated patients compared to 3/938 (0.3%) of vancomycin-treated patients. Twelve patients treated with VIBATIV discontinued treatment due to adverse events indicative of renal impairment compared to 2 patients treated with vancomycin. Adverse events were more likely to occur in patients with baseline comorbidities known to predispose patients to kidney dysfunction (pre-existing renal disease, diabetes mellitus, congestive heart failure, or hypertension). The renal adverse event rate was also higher in patients who received concomitant medications known to affect kidney function (eg, non-steroidal anti-inflammatory drugs, ACE inhibitors, and loop diuretics). Fifteen of 174 patients (8.6%) ≥65 years of age had adverse events indicative of renal impairment compared to 16 of 755 patients (1.9%) <65 years of age [see Use in Specific Populations (8.5)].
Monitor renal function (i.e., serum creatinine, creatinine clearance) in all patients receiving VIBATIV. Values should be obtained prior to initiation of treatment, during treatment (at 48- to 72-hour intervals or more frequently, if clinically indicated), and at the end of therapy. If renal function decreases, the benefit of continuing VIBATIV versus discontinuing and initiating therapy with an alternative agent should be assessed [see Dosage and Administration, Clinical Pharmacology (2.2)].
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