Piasky

(Crovalimab)
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Dosage & Administration

See Full Prescribing Information for instructions on preparation, dosage, and administration. (

2.2 Recommended Dosage Regimen

The recommended dosage regimen consists of one loading dose administered by intravenous (IV) infusion (on Day 1), followed by four additional weekly loading doses administered by subcutaneous (SUBQ) injection (on Days 2, 8, 15, and 22). The maintenance dose starts on Day 29 and is then administered every 4 weeks by subcutaneous injection. Administer doses based on the patient's actual body weight, as shown in Table 1.

Table 1 PIASKY Dosage Regimen Based on Body Weight
Body Weight≥ 40 kg to < 100 kg≥ 100 kg
IV = intravenous, SUBQ = subcutaneous
Loading Dose

Day 1

Day 2, 8, 15, 22


1,000 mg (IV)

340 mg (SUBQ)


1,500 mg (IV)

340 mg (SUBQ)
Maintenance Dose


Day 29 and Q4WQ4W=every 4 weeksthereafter


680 mg (SUBQ)


1,020 mg (SUBQ)

The dosing schedule is allowed to occasionally vary within 2 days of the scheduled administration day (except at Day 1 and Day 2). If this occurs, the subsequent dose should be administered according to the regular schedule.

Modification of the maintenance dose is required if the patient's body weight changes to become consistently greater than or lower than 100 kg during the course of therapy.

,
2.3 Recommended Timing for Switching to PIASKY from Another C5 Inhibitor

Healthcare providers should consider the benefits of the timing of switching C5 inhibitors vs. the risks of Type III hypersensitivity reactions

[see Warnings and Precautions (5.3)]
. For patients switching from another C5 inhibitor (e.g., eculizumab or ravulizumab), the first intravenous loading dose of PIASKY should be administered no sooner than the time of the next scheduled complement inhibitor administration. The administration of the additional subcutaneous loading doses and maintenance doses of PIASKY should follow as per the schedule shown in Table 1.

,
2.4 Delayed or Missed Dose

If an entire planned dose or part of a planned dose of PIASKY is missed, administer the missed dose or remainder of the missed dose as soon as possible before the day of the next scheduled dose. Then administer the next dose on the regularly scheduled dosing day. Do not administer two doses or more than the prescribed dose on the same day to make up for a missed dose.

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2.5 Preparation and Administration

Each vial of PIASKY is for one-time use in only one patient.

PIASKY is administered as an intravenous infusion (first dose) and as a subcutaneous injection (subsequent doses). Only healthcare providers should administer PIASKY.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit. PIASKY is clear to opalescent, and an almost colorless to brownish-yellow solution. PIASKY should be discarded if the medicine looks cloudy, discolored, or has particles in it.

Preparation of Intravenous Infusion


Dilution of Intravenous Infusion


Dilution of PIASKY in infusion bags containing 0.9% Sodium Chloride Injection must be in the range of 4-15 mg/mL (final concentration after dilution) (see Table 2).

Intravenous infusion bags of a volume of 100 mL or 250 mL can be used.

Table 2 Dose Example Volume Determination
Dose

(mg)
Volume of Piasky

(mL)
Size of 0.9% Sodium Chloride Injection Bag (mL)Concentration in Bag

(mg/mL)
1,0005.92504
1,5008.82506
1,0005.910010
1,5008.810015

Storage of Diluted Solution for Infusion

The diluted solution for intravenous infusion should be used immediately because PIASKY does not contain any antimicrobial preservative. If immediate use is not possible, see Table 3for detailed storage conditions of the prepared solution for infusion, which depends on the type of infusion bags used.

Table 3 Storage Conditions for the Prepared Solution for Infusion
Infusion bagsStorage conditions
polyolefins (PO), polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC)
PO/PE/PPRefrigerate at 2°C to 8°C (36°F to 46°F) for up to 64 hours protected from light, and store at room temperature up to 30°C (86°F) for up to 6 hours including infusion time under ambient light conditions. Protect from direct sunlight.
PVCRefrigerate at 2°C to 8°C (36°F to 46°F) for up to 12 hours protected from light, and store at room temperature up to 30°C (86°F) for up to 6 hours including infusion time under ambient light conditions. Protect from direct sunlight.

No incompatibilities have been observed between PIASKY and intravenous infusion bags with product-contacting materials made of polyvinyl chloride, or polyolefins such as polyethylene and polypropylene. In addition, no incompatibilities have been observed with infusion sets or infusion aids with product-contacting materials made of polyvinyl chloride, polyethylene, polyurethane, polybutadiene, acrylonitrile butadiene styrene, polycarbonate, or polytetrafluorethylene.

The infusion of PIASKY may be slowed or interrupted if the patient develops an infusion-related reaction. The infusion should be discontinued immediately if the patient experiences a serious hypersensitivity reaction

[see Warnings and Precautions (5.5)]
.

Preparation of the Subcutaneous Injection

For subcutaneous injection, PIASKY must be used undiluted.


If the dose requires multiple injections, perform a new injection using a new PIASKY vial.

A syringe, a transfer needle and an injection needle are needed to withdraw PIASKY solution from the vial and inject it subcutaneously.



Storage of Solution for Injection

Once transferred from the vial to the syringe, PIASKY should be injected immediately because PIASKY does not contain any antimicrobial-preservative. If immediate use is not possible, the capped syringe can be refrigerated at 2°C to 8°C (36°F to 46°F) for up to 64 hours protected from light and stored at room temperature up to 30°C (86°F) for up to 5 hours under ambient light conditions.

Protect from direct sunlight.

)

Start with one loading dose administered by intravenous infusion, followed by 4 additional loading doses administered by subcutaneous injection. Then administer a maintenance dose every 4 weeks by subcutaneous injection.

For patients switching from another complement inhibitor, the first loading dose of PIASKY should be administered no sooner than the time of the next scheduled complement inhibitor administration. See Full Prescribing Information for considerations when switching from another C5 inhibitor.

Administer doses based on the patient's actual body weight (

2.2 Recommended Dosage Regimen

The recommended dosage regimen consists of one loading dose administered by intravenous (IV) infusion (on Day 1), followed by four additional weekly loading doses administered by subcutaneous (SUBQ) injection (on Days 2, 8, 15, and 22). The maintenance dose starts on Day 29 and is then administered every 4 weeks by subcutaneous injection. Administer doses based on the patient's actual body weight, as shown in Table 1.

Table 1 PIASKY Dosage Regimen Based on Body Weight
Body Weight≥ 40 kg to < 100 kg≥ 100 kg
IV = intravenous, SUBQ = subcutaneous
Loading Dose


Day 1

Day 2, 8, 15, 22


1,000 mg (IV)

340 mg (SUBQ)


1,500 mg (IV)

340 mg (SUBQ)
Maintenance Dose


Day 29 and Q4WQ4W=every 4 weeksthereafter


680 mg (SUBQ)


1,020 mg (SUBQ)

The dosing schedule is allowed to occasionally vary within 2 days of the scheduled administration day (except at Day 1 and Day 2). If this occurs, the subsequent dose should be administered according to the regular schedule.

Modification of the maintenance dose is required if the patient's body weight changes to become consistently greater than or lower than 100 kg during the course of therapy.

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