Darunavir 800 Mg
Generic Name: darunavir 800 mg
Brand Names:
Darunavir
11 DESCRIPTION Darunavir is an inhibitor of the human immunodeficiency virus (HIV-1) protease. Darunavir, in the form of darunavir hydrate, has the following chemical name: [(1S,2R)-3-[[(4-aminophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]-carbamic acid (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester hydrate. Its molecular formula is C 27 H 37 N 3 O 7 S • 2.5H 2 O and its molecular weight is 592.67.
Overview
11 DESCRIPTION Darunavir is an inhibitor of the human immunodeficiency virus (HIV-1) protease. Darunavir, in the form of darunavir hydrate, has the following chemical name: [(1S,2R)-3-[[(4-aminophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]-carbamic acid (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester hydrate. Its molecular formula is C 27 H 37 N 3 O 7 S • 2.5H 2 O and its molecular weight is 592.67.
Uses
1 INDICATIONS AND USAGE Darunavir tablets, co-administered with ritonavir (darunavir/ritonavir), in combination with other antiretroviral agents, is indicated for the treatment of human immunodeficiency virus (HIV-1) infection in adult and pediatric patients 3 years of age and older [see Use in Specific Populations ( 8.4 ) and Clinical Studies ( 14 )] . Darunavir is a human immunodeficiency virus (HIV-1) protease inhibitor indicated for the treatment of HIV-1 infection in adult and pediatric patients 3 years of age and older. Darunavir tablets must be co-administered with ritonavir (darunavir/ritonavir) and with other antiretroviral agents. ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION Testing: In treatment-experienced patients, treatment history genotypic and/or phenotypic testing is recommended prior to initiation of therapy with darunavir/ritonavir to assess drug susceptibility of the HIV-1 virus ( 2.1 , 12.4 ) Monitor serum liver chemistry tests before and during therapy with darunavir/ritonavir. ( 2.1 , 2.2 , 5.2 ) Treatment-naïve adult patients and treatment-experienced adult patients with no darunavir resistance associated substitutions: 800 mg (one 800 mg tablet) taken with ritonavir 100 mg once daily and with food. ( 2.3 ) Treatment-experienced adult patients with at least one darunavir resistance associated substitution: 600 mg (one 600 mg tablet) taken with ritonavir 100 mg twice daily and with food.
Side Effects
6 ADVERSE REACTIONS The following adverse reactions are discussed in other sections of labeling: Hepatotoxicity [see Warnings and Precautions ( 5.2 )] Severe Skin Reactions [see Warnings and Precautions ( 5.3 )] Diabetes Mellitus/Hyperglycemia [see Warnings and Precautions ( 5.6 )] Fat Redistribution [see Warnings and Precautions ( 5.7 )] Immune Reconstitution Syndrome [see Warnings and Precautions ( 5.8 )] Hemophilia [see Warnings and Precautions ( 5.9 )] Due to the need for co-administration of darunavir tablets with ritonavir, please refer to ritonavir prescribing information for ritonavir-associated adverse reactions.
Interactions
7 DRUG INTERACTIONS Co-administration of darunavir/ritonavir with other drugs can alter the concentrations of other drugs and other drugs may alter the concentrations of darunavir. The potential drug-drug interactions must be considered prior to and during therapy. ( 4 , 5.5 , 7 , 12.3 ) 7.1 Potential for Darunavir/ritonavir to Affect Other Drugs Darunavir co-administered with ritonavir is an inhibitor of CYP3A, CYP2D6, and P-gp. Co-administration of darunavir and ritonavir with drugs that are primarily metabolized by CYP3A and CYP2D6 or are transported by P-gp may result in increased plasma concentrations of such drugs, which could increase or prolong their therapeutic effect and adverse events.
Warnings
5 WARNINGS AND PRECAUTIONS Drug-induced hepatitis (e.g., acute hepatitis, cytolytic hepatitis) has been reported with darunavir/ritonavir. Monitor liver function before and during therapy, especially in patients with underlying chronic hepatitis, cirrhosis, or in patients who have pre-treatment elevations of transaminases. Post-marketing cases of liver injury, including some fatalities, have been reported. ( 5.2 ) Skin reactions ranging from mild to severe, including Stevens-Johnson Syndrome, toxic epidermal necrolysis, drug rash with eosinophilia and systemic symptoms and acute generalized exanthematous pustulosis, have been reported. Discontinue treatment if severe reaction develops. ( 5.3 ) Use with caution in patients with a known sulfonamide allergy. 4 CONTRAINDICATIONS Co-administration of darunavir/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance and for which elevated plasma concentrations are associated with serious and/or life-threatening events (narrow therapeutic index).
Pregnancy
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to darunavir during pregnancy. Healthcare providers are encouraged to register patients by calling the Antiretroviral Pregnancy Registry (APR) 1-800-258-4263. Risk Summary Prospective pregnancy data from the APR are not sufficient to adequately assess the risk of birth defects or miscarriage.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING Darunavir 600 mg tablets are supplied as beige, capsule-shaped, biconvex, film coated tablets containing darunavir hydrate equivalent to 600 mg of darunavir per tablet. Each tablet is debossed with "C248" on one side and "plain" on the other side.
Frequently Asked Questions
What is Darunavir 800 Mg used for?▼
1 INDICATIONS AND USAGE Darunavir tablets, co-administered with ritonavir (darunavir/ritonavir), in combination with other antiretroviral agents, is indicated for the treatment of human immunodeficiency virus (HIV-1) infection in adult and pediatric patients 3 years of age and older [see Use in Specific Populations ( 8.4 ) and Clinical Studies ( 14 )] . Darunavir is a human immunodeficiency virus (HIV-1) protease inhibitor indicated for the treatment of HIV-1 infection in adult and pediatric patients 3 years of age and older. Darunavir tablets must be co-administered with ritonavir (darunavir/ritonavir) and with other antiretroviral agents. ( 1 )
What are the side effects of Darunavir 800 Mg?▼
6 ADVERSE REACTIONS The following adverse reactions are discussed in other sections of labeling: Hepatotoxicity [see Warnings and Precautions ( 5.2 )] Severe Skin Reactions [see Warnings and Precautions ( 5.3 )] Diabetes Mellitus/Hyperglycemia [see Warnings and Precautions ( 5.6 )] Fat Redistribution [see Warnings and Precautions ( 5.7 )] Immune Reconstitution Syndrome [see Warnings and Precautions ( 5.8 )] Hemophilia [see Warnings and Precautions ( 5.9 )] Due to the need for co-administration of darunavir tablets with ritonavir, please refer to ritonavir prescribing information for ritonavir-associated adverse reactions.
Can I take Darunavir 800 Mg during pregnancy?▼
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to darunavir during pregnancy. Healthcare providers are encouraged to register patients by calling the Antiretroviral Pregnancy Registry (APR) 1-800-258-4263. Risk Summary Prospective pregnancy data from the APR are not sufficient to adequately assess the risk of birth defects or miscarriage.
What are the important warnings for Darunavir 800 Mg?▼
5 WARNINGS AND PRECAUTIONS Drug-induced hepatitis (e.g., acute hepatitis, cytolytic hepatitis) has been reported with darunavir/ritonavir. Monitor liver function before and during therapy, especially in patients with underlying chronic hepatitis, cirrhosis, or in patients who have pre-treatment elevations of transaminases. Post-marketing cases of liver injury, including some fatalities, have been reported. ( 5.2 ) Skin reactions ranging from mild to severe, including Stevens-Johnson Syndrome, toxic epidermal necrolysis, drug rash with eosinophilia and systemic symptoms and acute generalized exanthematous pustulosis, have been reported. Discontinue treatment if severe reaction develops. ( 5.3 ) Use with caution in patients with a known sulfonamide allergy. 4 CONTRAINDICATIONS Co-administration of darunavir/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance and for which elevated plasma concentrations are associated with serious and/or life-threatening events (narrow therapeutic index).
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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.