Azathioprine Sodium (Azathioprine Sodium)

Trade Name : Azathioprine Sodium

West-Ward Pharmaceuticals Corp

INJECTION, POWDER, LYOPHILIZED, FOR SOLUTION

Strength 100 mg/10mL

AZATHIOPRINE SODIUM Nucleoside Analog [EXT],Purine Antimetabolite [EPC],Purines [CS],Nucleic Acid Synthesis Inhibitors [MoA]

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Trade Marks displayed in compliance with provisions of: Trademark Act, 1999 u/s 30 and 30 (1) of "Fair use"

GNH India is WHO GDP and ISO 9001 2015 Certified Pharmaceutical Wholesaler/ Supplier/ Exporters/ Importer from India of Azathioprine Sodium (Azathioprine Sodium) which is also known as Azathioprine Sodium and Manufactured by West-Ward Pharmaceuticals Corp. It is available in strength of 100 mg/10mL per ml. Read more

Azathioprine Sodium (Azathioprine Sodium) is supplied for Tenders/ Emergency imports/ Un - licensed, Specials, Orphan drug/ Name patient line/ RLD supplies/ Reference listed drugs/ Comparator Drug/ Bio-Similar/ Innovator samples For Clinical trials.  Click to know price.     Read less

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We deliver your medicines through a validated cold chain shipment process. This process is used as these medicines need to manufactured, transported and stored at very specific temperatures, utilizing thermal and refrigerated packaging methods.

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We deliver your medicines through a validated cold chain shipment process. This process is used as these medicines need to manufactured, transported and stored at very specific temperatures, utilizing thermal and refrigerated packaging methods.

We deliver your medicines through a validated cold chain shipment process. This process is used as these medicines need to manufactured, transported and stored at very specific temperatures, utilizing thermal and refrigerated packaging methods.

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  • No data
  • Rx ONLY
  • WARNING
  • Chronic immunosuppression with azathioprine, a purine antimetabolite increases in humans. Reports of malignancy include post-transplant lymphoma and hepatosplenic T-cell lymphoma (HSTCL) in patients with inflammatory bowel disease. Physicians using this drug should be very familiar with this risk as well as with the mutagenic potential to both men and women and with possible hematologic toxicities. Physicians should inform patients of the risk of malignancy with azathioprine. See n
  • Azathioprine Sodium for Injection, USP is a sterile lyophilized material, which when reconstituted with Sterile Water for Injection yields a solution for intravenous administration. Each vial contains azathioprine sodium equivalent to 100 mg azathioprine, an immunosuppressive antimetabolite. Each vial also contains sodium hydroxide and, if necessary, hydrochloric acid to adjust the pH.
  • Azathioprine is chemically 6-[(1-methyl-4-nitroimidazol-5-yl)thio]purine. The structural formula of azathioprine sodium is:
  • Molecular Formula: CHNOSNa u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0u00a0Molecular Weight: 300.28
  • It is an imidazolyl derivative of 6-mercaptopurine and many of its biological effects are similar to those of the parent compound.
  • Azathioprine is insoluble in water, but may be dissolved with addition of one molar equivalent of alkali. The sodium salt of azathioprine is sufficiently soluble to make a 10 mg/mL water solution which is stable for 24 hours at 59u00b0 to 77u00b0F (15u00b0 to 25u00b0C). Azathioprine is stable in solution at neutral or acid pH but hydrolysis to mercaptopurine occurs in excess sodium hydroxide (0.1N), especially on warming. Conversion to mercaptopurine also occurs in the presence of sulfhydryl compounds such as cysteine, glutathione and hydrogen sulfide.
  • Azathioprine is well absorbed following oral administration. Maximum serum radioactivity occurs at 1 to 2 hours after oral S-azathioprine and decays with a half-life of 5 hours. This is not an estimate of the half-life of azathioprine itself, but is the decay rate for all S-containing metabolites of the drug. Because of extensive metabolism, only a fraction of the radioactivity is present as azathioprine. Usual doses produce blood levels of azathioprine, and of mercaptopurine derived from it, which are low (<1 mcg/mL). Blood levels are of little predictive value for therapy since the magnitude and duration of clinical effects correlate with thiopurine nucleotide levels in tissues rather than with plasma drug levels. Azathioprine and mercaptopurine are moderately bound to serum proteins (30%) and are partially dialyzable. (See ).
  • Azathioprine is metabolized to 6-mercaptopurine (6-MP). Both compounds are rapidly eliminated from blood and are oxidized or methylated in erythrocytes and liver; no azathioprine or mercaptopurine is detectable in urine after 8 hours. Activation of 6-mercaptopurine occurs via hypoxanthine-guanine phosphoribosyltransferase (HGPRT) and a series of multi-enzymatic processes involving kinases to form 6-thioguanine nucleotides (6-TGNs) as major metabolites. The cytotoxicity of azathioprine is due, in part, to the incorporation of 6-TGN into DNA.
  • 6-MP undergoes two major inactivation routes. One is thiol methylation, which is catalyzed by the enzyme thiopurine S-methyltransferase (TPMT), to form the inactive metabolite methyl-6-MP (6-MeMP). Another inactivation pathway is oxidation, which is catalyzed by xanthine oxidase (XO) to form 6-thiouric acid. The nucleotide diphosphatase (NUDT15) enzyme is involved in conversion of the 6-TGNs to inactive 6-TG monophosphates. TPMT activity correlates inversely with 6-TGN levels in erythrocytes and presumably other hematopoietic tissues, since these cells have negligible xanthine oxidase (involved in the other inactivation pathway) activities.
  • Genetic polymorphisms influence TPMT and NUDT15 activity. Several published studies indicate that patients with reduced TPMT or NUDT15 activity receiving usual doses of 6-MP or azathioprine, accumulate excessive cellular concentrations of active 6-TGNs, and are at higher risk for severe myelosuppressionBecause of the risk of toxicity, patients with TPMT or NUDT15 deficiency require alternative therapy or dose modification (see ).
  • Approximately 0.3% (1:300) of patients of European or African ancestry have two loss-of-function alleles of the TPMT gene and have little or no TPMT activity (homozygous deficient or poor metabolizers), and approximately 10% of patients have one loss-of-function TPMT allele leading to intermediate TPMT activity (heterozygous deficient or intermediate metabolizers). The TPMT*2, TPMT*3A, and TPMT*3C alleles account for about 95% of individuals with reduced levels of TPMT activity. NUDT15 deficiency is detected in <1% of patients of European or African ancestry. Among patients of East Asian ancestry (i.e., Chinese, Japanese, Vietnamese), 2% have two loss- of-function alleles of the NUDT15 gene, and approximately 21% have one loss-of-function allele. The p.R139C variant of NUDT15 (present on the *2 and *3 alleles) is the most commonly observed, but other less common loss- of-function NUDT15 alleles have been observed.
  • Inhibition of xanthine oxidase (XO) may cause increased plasma concentrations of azathioprine or its metabolites leading to toxicity (see ). Proportions of metabolites are different in individual patients, and this presumably accounts for variable magnitude and duration of drug effects. Renal clearance is probably not important in predicting biological effectiveness or toxicities, although dose reduction is practiced in patients with poor renal function.
  • Azathioprine Sodium for Injection, USP is indicated as an adjunct for the prevention of rejection in renal homotransplantation. It is also indicated for the management of active rheumatoid arthritis to reduce signs and symptoms.
  • Azathioprine Sodium for Injection should not be given to patients who have shown hypersensitivity to the drug. Azathioprine should not be used for treating rheumatoid arthritis in pregnant women. Patients with rheumatoid arthritis previously treated with alkylating agents (cyclophosphamide, chlorambucil, melphalan or others) may have a prohibitive risk of malignancy if treated with azathioprine.u00a0
  • No data
  • No data
  • The principal and potentially serious toxic effects of azathioprine are hematologic and gastrointestinal. The risks of secondary infection and malignancy are also significant (see ). The frequency and severity of adverse reactions depend on the dose and duration of azathioprine as well as on the patientu2019s underlying disease or concomitant therapies. The incidence of hematologic toxicities and neoplasia encountered in groups of renal homograft recipients is significantly higher than that in studies employing azathioprine for rheumatoid arthritis. The relative incidences in clinical studies are summarized below:
  • The oral LDs for single doses of azathioprine in mice and rats are 2500 mg/kg and 400 mg/kg, respectively. Very large doses of this antimetabolite may lead to marrow hypoplasia, bleeding, infection, and death. About 30% of azathioprine is bound to serum proteins, but approximately 45% is removed during an 8-hour hemodialysis. A single case has been reported of a renal transplant patient who ingested a single dose of 7500 mg azathioprine. The immediate toxic reactions were nausea, vomiting, and diarrhea, followed by mild leukopenia and mild abnormalities in liver function. The white blood cell count, SGOT, and bilirubin returned to normal 6 days after the overdose.u00a0
  • No data
  • Azathioprine Sodium for Injection, USP, is supplied in a 20 mL vial, each containing azathioprine sodium, equivalent to 100 mg azathioprine.
  • NDC 0143-9566-01.
  • Store at 20u00b0 to 25u00b0C (68u00b0 to 77u00b0F). [ See USP Controlled Room Temperature].
  • Protect from light.
  • The sterile, lyophilized sodium salt is yellow, and should be dissolved in Sterile Water for Injection (see )
  • To report SUSPECTED ADVERSE REACTIONS, contact West-Ward Pharmaceutical Corp. at 1-877-845-0689, or the FDA at 1-800-FDA-1088 or .
  • For Product Inquiry call 1-877-845-0689.
  • No data
  • Manufactured by:
  • THYMOORGAN PHARMAZIE GmbH,
  • Schiffgraben 23, 38690 Goslar, Germany
  • Distributed by:
  • West-Ward Pharmaceuticals
  • Eatontown, NJ 07724 USA
  • Revised January 2019
  • 127.207.003/02
  • NDC 0143-9566-01n n
  • Equivalent to 100 mg/vialFOR INTRAVENOUS USE ONLY
  • STERILE LYOPHILIZED MATERIAL
  • Usual Dosage:
  • Each vial contains azathioprine sodium, equivalent to 100 mg
  • azathioprine, sodium hydroxide and, if necessary, hydrochloric
  • acid to adjust pH.
  • Preparation of solution: Inject into the vial 10 mL Sterile Water
  • for Injection.
  • Swirl the vial until a clear solution results. Use within 24 hours.
  • Store at 20u00b0 to 25u00b0C (68u00b0 to 77u00b0F) [See USP Controlled Room
  • Temperature].
  • Protect from light.
  • No data

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