Generic name: Daratumumab 100mg in 5mL
Dosage form: injection, solution, concentrate
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Recommended Dose and Schedule
- Administer pre-infusion and post-infusion medications [see Dosage and Administration (2.2)].
- Administer only as an intravenous infusion after dilution in 0.9% Sodium Chloride Injection, USP [see Dosage and Administration (2.4, 2.5)].
- DARZALEX should be administered by a healthcare professional, with immediate access to emergency equipment and appropriate medical support to manage infusion reactions if they occur [see Warnings and Precautions (5.1)].
Monotherapy and Combination Therapy with Lenalidomide and Low-Dose Dexamethasone (4-week cycle regimen)
The recommended dose of DARZALEX is 16 mg/kg actual body weight administered as an intravenous infusion according to the following dosing schedule in Table 1:
|Weeks 1 to 8||weekly (total of 8 doses)|
|Weeks 9 to 24*||every two weeks (total of 8 doses)|
|Week 25 onwards until disease progression†||every four weeks|
Combination Therapy with Bortezomib and Dexamethasone (3-week cycle regimen)
The recommended dose of DARZALEX is 16 mg/kg actual body weight administered as an intravenous infusion according to the following dosing schedule in Table 2:
|Weeks 1 to 9||weekly (total of 9 doses)|
|Weeks 10 to 24*||every three weeks (total of 5 doses)|
|Week 25 onwards until disease progression†||every four weeks|
For dosing instructions of combination agents administered with DARZALEX see Clinical Studies (14.2) and manufacturer's prescribing information.
Missed DARZALEX Doses
If a planned dose of DARZALEX is missed, administer the dose as soon as possible and adjust the dosing schedule accordingly, maintaining the treatment interval.
Infusion Rates and Management of Infusion Reactions
Administer DARZALEX infusion intravenously at the infusion rate described below in Table 3. Consider incremental escalation of the infusion rate only in the absence of infusion reactions.
|Dilution volume||Initial rate (first hour)||Rate increment*||Maximum rate|
|First infusion||1000 mL||50 mL/hour||50 mL/hour every hour||200 mL/hour|
|Second infusion†||500 mL||50 mL/hour||50 mL/hour every hour||200 mL/hour|
|Subsequent infusions‡||500 mL||100 mL/hour||50 mL/hour every hour||200 mL/hour|
For infusion reactions of any grade/severity, immediately interrupt the DARZALEX infusion and manage symptoms. Management of infusion reactions may further require reduction in the rate of infusion, or treatment discontinuation of DARZALEX as outlined below [see Warnings and Precautions (5.1)].
- Grade 1–2 (mild to moderate): Once reaction symptoms resolve, resume the infusion at no more than half the rate at which the reaction occurred. If the patient does not experience any further reaction symptoms, infusion rate escalation may resume at increments and intervals as clinically appropriate up to the maximum rate of 200 mL/hour (Table 3).
- Grade 3 (severe): Once reaction symptoms resolve, consider restarting the infusion at no more than half the rate at which the reaction occurred. If the patient does not experience additional symptoms, resume infusion rate escalation at increments and intervals as outlined in Table 3. Repeat the procedure above in the event of recurrence of Grade 3 symptoms. Permanently discontinue DARZALEX upon the third occurrence of a Grade 3 or greater infusion reaction.
- Grade 4 (life threatening): Permanently discontinue DARZALEX treatment.
Recommended Concomitant Medications
Administer the following pre-infusion medications to reduce the risk of infusion reactions to all patients 1–3 hours prior to every infusion of DARZALEX:
- Corticosteroid (long-acting or intermediate-acting)
Methylprednisolone 100 mg, or equivalent, administered intravenously. Following the second infusion, the dose of corticosteroid may be reduced (oral or intravenous methylprednisolone 60 mg).
Administer 20 mg dexamethasone prior to every DARZALEX infusion [Clinical Studies (14)].
Dexamethasone is given intravenously prior to the first DARZALEX infusion and oral administration may be considered prior to subsequent infusions.
- Antipyretics (oral acetaminophen 650 to 1000 mg)
- Antihistamine (oral or intravenous diphenhydramine 25 to 50 mg or equivalent).
Administer post-infusion medication to reduce the risk of delayed infusion reactions to all patients as follows:
Administer oral corticosteroid (20 mg methylprednisolone or equivalent dose of an intermediate-acting or long-acting corticosteroid in accordance with local standards) on each of the 2 days following all DARZALEX infusions (beginning the day after the infusion).
Consider administering low-dose oral methylprednisolone (≤ 20 mg) or equivalent, the day after the DARZALEX infusion.
However, if a background regimen-specific corticosteroid (e.g. dexamethasone) is administered the day after the DARZALEX infusion, additional post-infusion medications may not be needed [see Clinical Studies (14)].
In addition, for any patients with a history of chronic obstructive pulmonary disease, consider prescribing post-infusion medications such as short and long-acting bronchodilators, and inhaled corticosteroids. Following the first four infusions, if the patient experiences no major infusion reactions, these additional inhaled post-infusion medications may be discontinued.
Prophylaxis for Herpes Zoster Reactivation
Initiate antiviral prophylaxis to prevent herpes zoster reactivation within 1 week after starting DARZALEX and continue for 3 months following treatment [see Adverse Reactions (6.1)].
No dose reductions of DARZALEX are recommended. Dose delay may be required to allow recovery of blood cell counts in the event of hematological toxicity [see Warnings and Precautions (5.3, 5.4)]. For information concerning drugs given in combination with DARZALEX, see manufacturer's prescribing information.
Preparation for Administration
DARZALEX is for single use only.
Prepare the solution for infusion using aseptic technique as follows:
- Calculate the dose (mg), total volume (mL) of DARZALEX solution required and the number of DARZALEX vials needed based on patient actual body weight.
- Check that the DARZALEX solution is colorless to pale yellow. Do not use if opaque particles, discoloration or other foreign particles are present.
- Remove a volume of 0.9% Sodium Chloride Injection, USP from the infusion bag/container that is equal to the required volume of DARZALEX solution.
- Withdraw the necessary amount of DARZALEX solution and dilute to the appropriate volume by adding to the infusion bag/container containing 0.9% Sodium Chloride Injection, USP as specified in Table 3 [see Dosage and Administration (2.1)]. Infusion bags/containers must be made of either polyvinylchloride (PVC), polypropylene (PP), polyethylene (PE) or polyolefin blend (PP+PE). Dilute under appropriate aseptic conditions. Discard any unused portion left in the vial.
- Gently invert the bag/container to mix the solution. Do not shake.
- Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. The diluted solution may develop very small, translucent to white proteinaceous particles, as daratumumab is a protein. Do not use if visibly opaque particles, discoloration or foreign particles are observed.
- Since DARZALEX does not contain a preservative, administer the diluted solution immediately at room temperature 15°C–25°C (59°F–77°F) and in room light. Diluted solution may be kept at room temperature for a maximum of 15 hours (including infusion time).
- If not used immediately, the diluted solution can be stored prior to administration for up to 24 hours at refrigerated conditions 2°C – 8°C (36°F–46°F) and protected from light. Do not freeze.
- If stored in the refrigerator, allow the solution to come to room temperature. Administer the diluted solution by intravenous infusion using an infusion set fitted with a flow regulator and with an in-line, sterile, non-pyrogenic, low protein-binding polyethersulfone (PES) filter (pore size 0.22 or 0.2 micrometer). Administration sets must be made of either polyurethane (PU), polybutadiene (PBD), PVC, PP or PE.
- Do not store any unused portion of the infusion solution for reuse. Any unused product or waste material should be disposed of in accordance with local requirements.
- Do not infuse DARZALEX concomitantly in the same intravenous line with other agents.
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