Sirolimus
Generic Name: sirolimus
Brand Names:
Fyarro
11 DESCRIPTION FYARRO (sirolimus protein-bound particles for injectable suspension) (albumin-bound) is sirolimus formulated as albumin-bound nanoparticles. The active ingredient in FYARRO is sirolimus bound to albumin which exists in the nanoparticles in a non-crystalline, amorphous state. Sirolimus is a mechanistic target of rapamycin kinase (mTOR) inhibitor. Sirolimus is a macrocyclic lactone produced by Streptomyces hygroscopicus .
Overview
11 DESCRIPTION FYARRO (sirolimus protein-bound particles for injectable suspension) (albumin-bound) is sirolimus formulated as albumin-bound nanoparticles. The active ingredient in FYARRO is sirolimus bound to albumin which exists in the nanoparticles in a non-crystalline, amorphous state. Sirolimus is a mechanistic target of rapamycin kinase (mTOR) inhibitor. Sirolimus is a macrocyclic lactone produced by Streptomyces hygroscopicus .
Uses
1 INDICATIONS AND USAGE FYARRO ™ is indicated for the treatment of adult patients with locally advanced unresectable or metastatic malignant perivascular epithelioid cell tumor (PEComa). FYARRO is an mTOR inhibitor indicated for the treatment of adult patients with locally advanced unresectable or metastatic malignant perivascular epithelioid cell tumor (PEComa). ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION The recommended dosage of FYARRO is 100 mg/m 2 administered as an IV infusion over 30 minutes on Days 1 and 8 of each 21-day cycle until disease progression or unacceptable toxicity. ( 2.1 ) 2.1 Recommended Dosage The recommended dosage of FYARRO is 100 mg/m2 administered as an intravenous infusion over 30 minutes on Days 1 and 8 of each 21-day cycle until disease progression or unacceptable toxicity. 2.2 Dosage Modifications for Adverse Reactions Table 1 lists the recommended dose reductions of FYARRO for adverse reactions. Table 1. Recommended dose reductions of FYARRO for adverse reactions.
Side Effects
6 ADVERSE REACTIONS The following adverse reactions have been associated with FYARRO in clinical trials and are discussed in greater detail in other sections of the label [see Warnings and Precautions ( 5 )] . Stomatitis [see Warnings and Precautions ( 5.1 )] Myelosuppression [see Warnings and Precautions ( 5.2 )] Infections [see Warnings and Precautions ( 5.3 )] Hypokalemia [see Warnings and Precautions ( 5.4 )] Hyperglycemia [see Warnings and Precautions ( 5.5 )] Interstitial Lung Disease (ILD) / Non-Infectious Pneumonitis [see Warnings and Precautions ( 5.6 )] Hemorrhage [see Warnings and Precautions ( 5.7 )] Hypersensitivity [see Warnings and Precautions ( 5.8 )] The most common (≥30%) adverse reactions were stomatitis, fatigue, rash, infection, nausea, edema, diarrhea, musculoskeletal...
Interactions
7 DRUG INTERACTIONS Strong CYP3A4 and/or P-gp Inhibitors or Inducers : Avoid concomitant use. ( 2.3 , 7.1 ) Moderate or Weak CYP3A4 Inhibitors : Reduce FYARRO dose. ( 2.3 , 7.1 ) 7.1 Effects of Other Drugs on FYARRO CYP3A4 and/or P-gp Inhibitors or Inducers CYP3A4 and/or P-gp inhibitors may increase sirolimus concentrations, which may increase the risk of FYARRO adverse reactions. CYP3A4 and/or P-gp inducers may decrease sirolimus concentrations, which may reduce FYARRO effectiveness. Strong CYP3A4 and/or P-gp Inhibitors or Inducers: Avoid concomitant use of FYARRO with strong CYP3A4 and/or P-gp inhibitors or strong CYP3A4 and/or P-gp inducers [see Dosage and Administration ( 2.3 ), Clinical Pharmacology ( 12.3 )] .
Warnings
5 WARNINGS AND PRECAUTIONS Stomatitis : Withhold, resume at reduced dose, or permanently discontinue based on severity. ( 5.1 ) Myelosuppression : Monitor blood counts prior to and during FYARRO treatment as clinically indicated. Withhold, resume at reduced dose, or permanently discontinue based on severity. ( 5.2 ) Infections : May result from immunosuppression. Monitor for signs and symptoms of infection. Withhold, resume at reduced dose, or permanently discontinue based on severity. ( 5.3 ) Hypokalemia and hyperglycemia : Monitor serum potassium and glucose prior to starting FYARRO and as clinically indicated. Withhold, resume at reduced dose, or permanently discontinue based on severity. 4 CONTRAINDICATIONS FYARRO is contraindicated in patients with a history of severe hypersensitivity to sirolimus, other rapamycin derivatives, or albumin [see Warnings and Precautions ( 5.8 )] . History of severe hypersensitivity to sirolimus, other rapamycin derivatives, or albumin. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on animal studies and the mechanism of action, FYARRO can cause fetal harm when administered to a pregnant woman [see Clinical Pharmacology ( 12.1 )] . Although there are no data on the use of FYARRO in pregnant women, there are limited data on the use of sirolimus during pregnancy. In animal studies, oral sirolimus was embryo/fetotoxic in rats [see Data ] at sub-therapeutic doses. Advise pregnant women of the potential risk to a fetus. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. In the U.S.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING FYARRO (sirolimus protein-bound particles for injectable suspension) (albumin-bound) is a white to yellow, sterile lyophilized powder supplied as: NDC 80803-153-50, 100 mg of sirolimus in a single-dose vial. Each carton contains 1 vial. Store the vials in the original cartons at 2° to 8°C [USP Refrigerated Temperature] (36° to 46°F).
Frequently Asked Questions
What is Sirolimus used for?▼
1 INDICATIONS AND USAGE FYARRO ™ is indicated for the treatment of adult patients with locally advanced unresectable or metastatic malignant perivascular epithelioid cell tumor (PEComa). FYARRO is an mTOR inhibitor indicated for the treatment of adult patients with locally advanced unresectable or metastatic malignant perivascular epithelioid cell tumor (PEComa). ( 1 )
What are the side effects of Sirolimus?▼
6 ADVERSE REACTIONS The following adverse reactions have been associated with FYARRO in clinical trials and are discussed in greater detail in other sections of the label [see Warnings and Precautions ( 5 )] . Stomatitis [see Warnings and Precautions ( 5.1 )] Myelosuppression [see Warnings and Precautions ( 5.2 )] Infections [see Warnings and Precautions ( 5.3 )] Hypokalemia [see Warnings and Precautions ( 5.4 )] Hyperglycemia [see Warnings and Precautions ( 5.5 )] Interstitial Lung Disease (ILD) / Non-Infectious Pneumonitis [see Warnings and Precautions ( 5.6 )] Hemorrhage [see Warnings and Precautions ( 5.7 )] Hypersensitivity [see Warnings and Precautions ( 5.8 )] The most common (≥30%) adverse reactions were stomatitis, fatigue, rash, infection, nausea, edema, diarrhea, musculoskeletal...
Can I take Sirolimus during pregnancy?▼
8.1 Pregnancy Risk Summary Based on animal studies and the mechanism of action, FYARRO can cause fetal harm when administered to a pregnant woman [see Clinical Pharmacology ( 12.1 )] . Although there are no data on the use of FYARRO in pregnant women, there are limited data on the use of sirolimus during pregnancy. In animal studies, oral sirolimus was embryo/fetotoxic in rats [see Data ] at sub-therapeutic doses. Advise pregnant women of the potential risk to a fetus. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. In the U.S.
What are the important warnings for Sirolimus?▼
5 WARNINGS AND PRECAUTIONS Stomatitis : Withhold, resume at reduced dose, or permanently discontinue based on severity. ( 5.1 ) Myelosuppression : Monitor blood counts prior to and during FYARRO treatment as clinically indicated. Withhold, resume at reduced dose, or permanently discontinue based on severity. ( 5.2 ) Infections : May result from immunosuppression. Monitor for signs and symptoms of infection. Withhold, resume at reduced dose, or permanently discontinue based on severity. ( 5.3 ) Hypokalemia and hyperglycemia : Monitor serum potassium and glucose prior to starting FYARRO and as clinically indicated. Withhold, resume at reduced dose, or permanently discontinue based on severity. 4 CONTRAINDICATIONS FYARRO is contraindicated in patients with a history of severe hypersensitivity to sirolimus, other rapamycin derivatives, or albumin [see Warnings and Precautions ( 5.8 )] . History of severe hypersensitivity to sirolimus, other rapamycin derivatives, or albumin. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.