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REYATAZ
Overview
What is REYATAZ?
The active ingredient in REYATAZ capsules and oral powder is atazanavir sulfate, which is an HIV-1 protease inhibitor.
The chemical name for atazanavir sulfate is (3,8,9,12)-3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-2,5,6,10,13-pentaazatetradecanedioic acid dimethyl ester, sulfate (1:1). Its molecular formula is CHNO•HSO, which corresponds to a molecular weight of 802.9 (sulfuric acid salt). The free base molecular weight is 704.9. Atazanavir sulfate has the following structural formula:
Atazanavir sulfate is a white to pale-yellow crystalline powder. It is slightly soluble in water (4-5 mg/mL, free base equivalent) with the pH of a saturated solution in water being about 1.9 at 24 ± 3°C.
REYATAZ Capsules are available for oral administration in strengths of 150 mg, 200 mg, or 300 mg of atazanavir, which are equivalent to 170.8 mg, 227.8 mg, or 341.69 mg of atazanavir sulfate, respectively. The capsules also contain the following inactive ingredients: crospovidone, lactose monohydrate, and magnesium stearate. The capsule shells contain the following inactive ingredients: gelatin, FD&C Blue No. 2, titanium dioxide, black iron oxide, red iron oxide, and yellow iron oxide. The capsules are printed with ink containing shellac, titanium dioxide, FD&C Blue No. 2, isopropyl alcohol, ammonium hydroxide, propylene glycol, n-butyl alcohol, simethicone, and dehydrated alcohol.
REYATAZ oral powder comes in a packet containing 50 mg of atazanavir equivalent to 56.9 mg of atazanavir sulfate in 1.5 g of powder. The powder is off-white to pale yellow and contains the following inactive ingredients: aspartame, sucrose, and orange-vanilla flavor.
What does REYATAZ look like?
What are the available doses of REYATAZ?
REYATAZ Capsules:
REYATAZ Oral Powder:
What should I talk to my health care provider before I take REYATAZ?
How should I use REYATAZ?
REYATAZ (atazanavir) is indicated in combination with other antiretroviral agents for the treatment of HIV-1 infection for patients 3 months and older weighing at least 5 kg.
Limitations of Use:
What interacts with REYATAZ?
Sorry No Records found
What are the warnings of REYATAZ?
Sorry No Records found
What are the precautions of REYATAZ?
Sorry No Records found
What are the side effects of REYATAZ?
Sorry No records found
What should I look out for while using REYATAZ?
REYATAZ is contraindicated:
Table 6 displays drugs that are contraindicated with REYATAZ.
What might happen if I take too much REYATAZ?
Human experience of acute overdose with REYATAZ is limited. Single doses up to 1200 mg (three times the 400 mg maximum recommended dose) have been taken by healthy volunteers without symptomatic untoward effects. A single self-administered overdose of 29.2 g of REYATAZ in an HIV-infected patient (73 times the 400-mg recommended dose) was associated with asymptomatic bifascicular block and PR interval prolongation. These events resolved spontaneously. At REYATAZ doses resulting in high atazanavir exposures, jaundice due to indirect (unconjugated) hyperbilirubinemia (without associated liver function test changes) or PR interval prolongation may be observed
.
Treatment of overdosage with REYATAZ should consist of general supportive measures, including monitoring of vital signs and ECG, and observations of the patient’s clinical status. If indicated, elimination of unabsorbed atazanavir should be achieved by emesis or gastric lavage. Administration of activated charcoal may also be used to aid removal of unabsorbed drug. There is no specific antidote for overdose with REYATAZ. Since atazanavir is extensively metabolized by the liver and is highly protein bound, dialysis is unlikely to be beneficial in significant removal of this medicine.
How should I store and handle REYATAZ?
VFEND I.V. for Injection unreconstituted vials should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. VFEND is a single dose unpreserved sterile lyophile. From a microbiological point of view, following reconstitution of the lyophile with Water for Injection, the reconstituted solution should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and should not be longer than 24 hours at 2° to 8°C (36° to 46°F). Chemical and physical in-use stability has been demonstrated for 24 hours at 2° to 8°C (36° to 46°F). This medicinal product is for single use only and any unused solution should be discarded. Only clear solutions without particles should be used [].VFEND Tablets should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature].VFEND Powder for Oral Suspension should be stored at 2° – 8°C (36°– 46° F) (in a refrigerator) before reconstitution. The shelf-life of the powder for oral suspension is 24 months. The reconstituted suspension should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. Do not refrigerate or freeze. Keep the container tightly closed. The shelf-life of the reconstituted suspension is 14 days. Any remaining suspension should be discarded 14 days after reconstitution.VFEND I.V. for Injection unreconstituted vials should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. VFEND is a single dose unpreserved sterile lyophile. From a microbiological point of view, following reconstitution of the lyophile with Water for Injection, the reconstituted solution should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and should not be longer than 24 hours at 2° to 8°C (36° to 46°F). Chemical and physical in-use stability has been demonstrated for 24 hours at 2° to 8°C (36° to 46°F). This medicinal product is for single use only and any unused solution should be discarded. Only clear solutions without particles should be used [].VFEND Tablets should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature].VFEND Powder for Oral Suspension should be stored at 2° – 8°C (36°– 46° F) (in a refrigerator) before reconstitution. The shelf-life of the powder for oral suspension is 24 months. The reconstituted suspension should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. Do not refrigerate or freeze. Keep the container tightly closed. The shelf-life of the reconstituted suspension is 14 days. Any remaining suspension should be discarded 14 days after reconstitution.VFEND I.V. for Injection unreconstituted vials should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. VFEND is a single dose unpreserved sterile lyophile. From a microbiological point of view, following reconstitution of the lyophile with Water for Injection, the reconstituted solution should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and should not be longer than 24 hours at 2° to 8°C (36° to 46°F). Chemical and physical in-use stability has been demonstrated for 24 hours at 2° to 8°C (36° to 46°F). This medicinal product is for single use only and any unused solution should be discarded. Only clear solutions without particles should be used [].VFEND Tablets should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature].VFEND Powder for Oral Suspension should be stored at 2° – 8°C (36°– 46° F) (in a refrigerator) before reconstitution. The shelf-life of the powder for oral suspension is 24 months. The reconstituted suspension should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. Do not refrigerate or freeze. Keep the container tightly closed. The shelf-life of the reconstituted suspension is 14 days. Any remaining suspension should be discarded 14 days after reconstitution.VFEND I.V. for Injection unreconstituted vials should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. VFEND is a single dose unpreserved sterile lyophile. From a microbiological point of view, following reconstitution of the lyophile with Water for Injection, the reconstituted solution should be used immediately. If not used immediately, in-use storage times and conditions prior to use are the responsibility of the user and should not be longer than 24 hours at 2° to 8°C (36° to 46°F). Chemical and physical in-use stability has been demonstrated for 24 hours at 2° to 8°C (36° to 46°F). This medicinal product is for single use only and any unused solution should be discarded. Only clear solutions without particles should be used [].VFEND Tablets should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature].VFEND Powder for Oral Suspension should be stored at 2° – 8°C (36°– 46° F) (in a refrigerator) before reconstitution. The shelf-life of the powder for oral suspension is 24 months. The reconstituted suspension should be stored at 15° – 30°C (59° – 86°F) [see USP Controlled Room Temperature]. Do not refrigerate or freeze. Keep the container tightly closed. The shelf-life of the reconstituted suspension is 14 days. Any remaining suspension should be discarded 14 days after reconstitution.
Clinical Information
Chemical Structure
No Image foundClinical Pharmacology
Atazanavir is an HIV-1 antiretroviral drug .
Non-Clinical Toxicology
REYATAZ is contraindicated:Table 6 displays drugs that are contraindicated with REYATAZ.
Drugs which may enhance the neuromuscular blocking action of atracurium include: enflurane; isoflurane; halothane; certain antibiotics, especially the aminoglycosides and polymyxins; lithium; magnesium salts; procainamide; and quinidine.
If other muscle relaxants are used during the same procedure, the possibility of a synergistic or antagonist effect should be considered. The prior administration of succinylcholine does not enhance the duration, but quickens the onset and may increase the depth, of neuromuscular block induced by atracurium besylate. Atracurium should not be administered until a patient has recovered from succinylcholine-induced neuromuscular block.
The following adverse reactions are discussed in greater detail in other sections of the labeling:
Reference
This information is obtained from the National Institute of Health's Standard Packaging Label drug database.
"https://dailymed.nlm.nih.gov/dailymed/"
While we update our database periodically, we cannot guarantee it is always updated to the latest version.
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