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ERAXIS® (anidulafungin) Dosage and Administration

2 DOSAGE AND ADMINISTRATION

2.1 Recommended Dosage in Adults

Candidemia and other Candida infections (intra-abdominal abscess and peritonitis)

The recommended dose is a single 200 mg loading dose of ERAXIS on Day 1, followed by a 100 mg once daily maintenance dose thereafter. Duration of treatment should be based on the patient's clinical response. In general, antifungal therapy should continue for at least 14 days after the last positive culture.

Esophageal Candidiasis

The recommended dose is a single 100 mg loading dose of ERAXIS on Day 1, followed by a 50 mg once daily maintenance dose thereafter. Patients should be treated for a minimum of 14 days and for at least 7 days following resolution of symptoms. Duration of treatment should be based on the patient's clinical response. Because of the risk of relapse of esophageal candidiasis in patients with HIV infection, suppressive antifungal therapy may be considered after a course of treatment.

2.2 Recommended Dosage in Pediatric Patients (1 Month of Age and Older)

Candidemia and other Candida infections (intra-abdominal abscess and peritonitis)

The recommended dose is a single loading dose of 3 mg/kg (not to exceed 200 mg) of ERAXIS on Day 1, followed by a once daily maintenance dose of 1.5 mg/kg (not to exceed 100 mg) of ERAXIS thereafter. Overall antifungal treatment should continue for at least 14 days after the last positive culture.

2.3 Preparation for Administration

ERAXIS for Injection must be reconstituted with sterile Water for Injection and subsequently diluted only with 5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP (normal saline), prior to administration.

The compatibility of reconstituted ERAXIS with intravenous substances, additives, or medications other than 5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP (normal saline) has not been established. Do NOT dilute with other solutions or co-infuse with other medications or electrolytes. The infusion solution must not be frozen.

Reconstitution of the 50 mg/vial

Aseptically reconstitute each 50 mg vial with 15 mL of sterile Water for Injection to provide a concentration of 3.33 mg/mL.

Reconstitution of the 100 mg/vial

Aseptically reconstitute each 100 mg vial with 30 mL of sterile Water for Injection to provide a concentration of 3.33 mg/mL.

Storage of the Reconstituted Solution

ERAXIS reconstituted solution can be stored at 25°C (77°F) for up to 24 hours prior to dilution into the infusion solution. Chemical and physical in-use stability of the reconstituted solution has been demonstrated for 24 hours at 25°C (77°F). From a microbiological point of view, following good aseptic practices, the reconstituted solution can be utilized for up to 24 hours when stored at 25°C.

2.4 Dilution and Administration of the Infusion

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. If particulate matter or discoloration is identified, discard the solution.

Adult Patients

Aseptically transfer the contents of the reconstituted vial(s) into the appropriately sized IV bag (or bottle) containing either 5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP (normal saline). See Table 1 for the dilution to a concentration of 0.77 mg/mL for the final infusion solution and infusion instructions for each dose. The rate of infusion should not exceed 1.1 mg/minute (equivalent to 1.4 mL/minute or 84 mL/hour when reconstituted and diluted per instructions) [see Warnings and Precautions (5.2)].

Table 1: Dilution Requirements for ERAXIS Administration
DoseNumber of Vials RequiredTotal Reconstituted Volume RequiredInfusion Volume*Total Infusion VolumeRate of InfusionMinimum Duration of Infusion
*
Either 5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP (normal saline)
Infusion solution concentration is 0.77 mg/mL
50 mg1–50 mg15 mL50 mL65 mL1.4 mL/min or 84 mL/ hour45 min
100 mg2–50 mg or 1–100 mg30 mL100 mL130 mL1.4 mL/min or 84 mL/ hour90 min
200 mg4–50 mg or 2–100 mg60 mL200 mL260 mL1.4 mL/min or 84 mL/ hour180 min

Pediatric Patients

The volume of infusion solution required to deliver the dose is dependent on the weight of the child. The reconstituted solution must be further diluted to a concentration of 0.77 mg/mL for the final infusion solution. A programmable syringe or infusion pump is recommended. The rate of infusion should not exceed 1.1 mg/minute (equivalent to 1.4 mL/minute or 84 mL/hour when reconstituted and diluted per instructions) [see Warnings and Precautions (5.2)].

Steps for the Preparation of Pediatric Doses below 50 mg

  1. Calculate pediatric patient dose and aseptically reconstitute vial(s) required according to reconstitution instructions to provide a concentration of 3.33 mg/mL (if dose is 50 mg or above, see preparation instructions for Adult Patients above) [see Dosage and Administration (2.2, 2.3)].
  2. Calculate the volume (mL) of reconstituted ERAXIS required:
    [Volume of reconstituted ERAXIS (mL) = Dose of ERAXIS (mg) ÷ 3.33 mg/mL]
  3. Calculate the total volume of the infusion solution (mL) that contains a final concentration of 0.77 mg/mL:
    [Total volume of infusion solution (mL) = Dose of ERAXIS (mg) ÷ 0.77 mg/mL]
  4. Calculate the volume of diluent [5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP (normal saline)] required to prepare the infusion solution: [Volume of diluent (mL) = Total volume of final infusion solution (mL) – Volume of reconstituted ERAXIS (mL)]
  5. Prepare the infusion solution by aseptically transferring the required volumes (mL) of the reconstituted ERAXIS and diluent [5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP (normal saline)] into an infusion syringe or IV infusion bag needed for administration.

Storage of the Infusion Solution

ERAXIS infusion solution can be stored at temperatures up to 25°C (77°F) for up to 48 hours. Do not freeze. Chemical and physical in-use stability of the infusion solution has been demonstrated for 48 hours at 25°C (77°F). From a microbiological point of view, following good aseptic practices, the infusion solution can be utilized for up to 48 hours from preparation when stored at 25°C.

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