Article Contents ::

Details About Generic Salt ::  Thioguan

Main Medicine Class::    

(THIGH-oh-GWAHN-een)
Class: Purine antimetabolite

 Indications

Adult/Pediatric

Acute nonlymphocytic leukemia.

Chronic myelogenous leukemia.

 Contraindications Prior resistance to this drug. There is usually complete cross-resistance between mercaptopurine and thioguanine.

 Route/Dosage

Acute Nonlymphocytic Leukemia, Remission Induction, Single Agent Therapy

ADULTS: PO 2 mg/kg/day, rounded to nearest 20 mg, as a single daily dose. If no clinical improvement in 4 wk, may slowly increase the dose to 3 mg/kg/day.

PEDIATRIC: Children ³ 3 years of age: PO 2 mg/kg/day, rounded to nearest 20 mg, as a single daily dose. If no clinical improvement in 4 wk, may slowly increase the dose to 3 mg/kg/day.

Acute Nonlymphocytic Leukemia, Remission Induction, Combination Therapy

ADULTS: PO 75 to 200 mg/m2/day, rounded to the nearest 20 mg, in 1 or 2 divided doses for 5 to 7 days in each course of therapy until remission occurs.

Acute Nonlymphocytic Leukemia, Maintenance Therapy

ADULTS: PO 2 mg/kg/day, rounded to the nearest 20 mg. Alternatively, 75 to 400 mg/m2/day PO, titrated to response.

Acute Nonlymphocytic Leukemia, Induction, Combination Therapy

PEDIATRIC: Infants and children < 3 years of age: PO 3.3 mg/kg/day in 2 divided doses for 4 days in each course of therapy until remission occurs.

Acute Leukemia, Remission Induction, Combination Therapy

PEDIATRIC: Children ³ 3 years of age: PO 75 to 200 mg/m2/day, rounded to the nearest 20 mg, in 1 or 2 divided doses for 5 to 7 days in each course of therapy until remission occurs.

Maintenance Therapy

PEDIATRIC: Children ³ 3 years of age: PO 2 mg/kg/day, rounded to the nearest 20 mg. Alternatively, 50 mg/m2/day, titrated to response.

Interactions

Bisulfan

Concomitant therapy may increase risk of hepatotoxicity, esophageal varices, and portal hypertension.

Lab Test Interferences None well documented.

 Adverse Reactions

CNS: Ataxia, loss of vibration sensation. GI: Anorexia, mucositis, diarrhea, elevated LFTs, jaundice, veno-occlusive disease. HEMATOLOGIC: Bone marrow suppression, nadir at 2 to 4 wk.

 Precautions

Pregnancy: Category D. Lactation: Undetermined. Adjustment in renal or hepatic insufficiency (adult): Dosage reduction is advised in patients with impaired renal or hepatic function. Specific recommendations are currently unavailable. Bone marrow suppression: May be manifested by anemia, leukopenia, or thrombocytopenia. Dosage adjustment (pediatric): Follow dosage adjustment guidelines recommended for adults. Hepatotoxicity: Jaundice has occurred. Withhold thioguanine if there is evidence of toxic hepatitis, biliary stasis, clinical jaundice, hepatomegaly, or anorexia with tenderness in the right hypochondrium.

PATIENT CARE CONSIDERATIONS


 Administration/Storage

  • Store at room temperature in a dry place. The extemporaneous suspension is stable for 84 days stored at room temperature in amber glass bottles.
  • Administer PO. Give on an empty stomach to facilitate absorption.
  • Follow procedures for proper handling and disposal of anticancer drugs. Wear gloves and avoid skin exposure and inhalation of fumes.

Extemporaneous oral suspension (40 mg/mL)

  • Crush fifteen 40 mg oral tablets completely and suspend in sufficient Cologel suspending agent for a total volume of 5 mL. Dilute with a 2:1 mixture of simple syrup and cherry syrup for a final total volume of 15 mL. Shake the suspension well before using.

 Assessment/Interventions

  • Monitor CBC at least once weekly during therapy.
  • Monitor serum transaminase, alkaline phosphatase, and bilirubin weekly when initiating therapy; may monitor once monthly later in therapy course.
  • Hyperuricemia may occur because of rapid cell lysis; monitor serum uric acid. Minimize effects of hyperuricemia with hydration, urinary alkalinization, and allopurinol.
OVERDOSAGE: SIGNS & SYMPTOMS
  Nausea, vomiting, malaise, hypertension, diaphoresis, myelosuppression, azotemia

 Patient/Family Education

  • Notify health care provider if fever, chills, nausea, vomiting, sore throat, unusual bleeding or bruising, yellow discoloration of the skin or eyes, swelling of the feet or legs, abdominal pain, or joint or flank pain occurs.
  • May cause diarrhea, fever, and weakness. Notify health care provider if these become pronounced.
  • Drink plenty of liquids while taking this drug.
  • Contraceptive measures are recommended during therapy for men and women.

Medicscientist Drug Facts

 

Drugs Class ::

(THIGH-oh-GWAHN-een)
Class: Purine antimetabolite

Indications for Drugs ::

 Indications

Adult/Pediatric

Acute nonlymphocytic leukemia.

Chronic myelogenous leukemia.

Drug Dose ::

 Route/Dosage

Acute Nonlymphocytic Leukemia, Remission Induction, Single Agent Therapy

ADULTS: PO 2 mg/kg/day, rounded to nearest 20 mg, as a single daily dose. If no clinical improvement in 4 wk, may slowly increase the dose to 3 mg/kg/day.

PEDIATRIC: Children ³ 3 years of age: PO 2 mg/kg/day, rounded to nearest 20 mg, as a single daily dose. If no clinical improvement in 4 wk, may slowly increase the dose to 3 mg/kg/day.

Acute Nonlymphocytic Leukemia, Remission Induction, Combination Therapy

ADULTS: PO 75 to 200 mg/m2/day, rounded to the nearest 20 mg, in 1 or 2 divided doses for 5 to 7 days in each course of therapy until remission occurs.

Acute Nonlymphocytic Leukemia, Maintenance Therapy

ADULTS: PO 2 mg/kg/day, rounded to the nearest 20 mg. Alternatively, 75 to 400 mg/m2/day PO, titrated to response.

Acute Nonlymphocytic Leukemia, Induction, Combination Therapy

PEDIATRIC: Infants and children < 3 years of age: PO 3.3 mg/kg/day in 2 divided doses for 4 days in each course of therapy until remission occurs.

Acute Leukemia, Remission Induction, Combination Therapy

PEDIATRIC: Children ³ 3 years of age: PO 75 to 200 mg/m2/day, rounded to the nearest 20 mg, in 1 or 2 divided doses for 5 to 7 days in each course of therapy until remission occurs.

Maintenance Therapy

PEDIATRIC: Children ³ 3 years of age: PO 2 mg/kg/day, rounded to the nearest 20 mg. Alternatively, 50 mg/m2/day, titrated to response.

Contraindication ::

 Contraindications Prior resistance to this drug. There is usually complete cross-resistance between mercaptopurine and thioguanine.

Drug Precautions ::

 Precautions

Pregnancy: Category D. Lactation: Undetermined. Adjustment in renal or hepatic insufficiency (adult): Dosage reduction is advised in patients with impaired renal or hepatic function. Specific recommendations are currently unavailable. Bone marrow suppression: May be manifested by anemia, leukopenia, or thrombocytopenia. Dosage adjustment (pediatric): Follow dosage adjustment guidelines recommended for adults. Hepatotoxicity: Jaundice has occurred. Withhold thioguanine if there is evidence of toxic hepatitis, biliary stasis, clinical jaundice, hepatomegaly, or anorexia with tenderness in the right hypochondrium.

PATIENT CARE CONSIDERATIONS


Drug Side Effects ::

 Adverse Reactions

CNS: Ataxia, loss of vibration sensation. GI: Anorexia, mucositis, diarrhea, elevated LFTs, jaundice, veno-occlusive disease. HEMATOLOGIC: Bone marrow suppression, nadir at 2 to 4 wk.

Drug Mode of Action ::  

(THIGH-oh-GWAHN-een)
Class: Purine antimetabolite

Drug Interactions ::

Interactions

Bisulfan

Concomitant therapy may increase risk of hepatotoxicity, esophageal varices, and portal hypertension.

Drug Assesment ::

 Assessment/Interventions

  • Monitor CBC at least once weekly during therapy.
  • Monitor serum transaminase, alkaline phosphatase, and bilirubin weekly when initiating therapy; may monitor once monthly later in therapy course.
  • Hyperuricemia may occur because of rapid cell lysis; monitor serum uric acid. Minimize effects of hyperuricemia with hydration, urinary alkalinization, and allopurinol.
OVERDOSAGE: SIGNS & SYMPTOMS
  Nausea, vomiting, malaise, hypertension, diaphoresis, myelosuppression, azotemia

Drug Storage/Management ::

 Administration/Storage

  • Store at room temperature in a dry place. The extemporaneous suspension is stable for 84 days stored at room temperature in amber glass bottles.
  • Administer PO. Give on an empty stomach to facilitate absorption.
  • Follow procedures for proper handling and disposal of anticancer drugs. Wear gloves and avoid skin exposure and inhalation of fumes.

Extemporaneous oral suspension (40 mg/mL)

  • Crush fifteen 40 mg oral tablets completely and suspend in sufficient Cologel suspending agent for a total volume of 5 mL. Dilute with a 2:1 mixture of simple syrup and cherry syrup for a final total volume of 15 mL. Shake the suspension well before using.

Drug Notes ::

 Patient/Family Education

  • Notify health care provider if fever, chills, nausea, vomiting, sore throat, unusual bleeding or bruising, yellow discoloration of the skin or eyes, swelling of the feet or legs, abdominal pain, or joint or flank pain occurs.
  • May cause diarrhea, fever, and weakness. Notify health care provider if these become pronounced.
  • Drink plenty of liquids while taking this drug.
  • Contraceptive measures are recommended during therapy for men and women.

Medicscientist Drug Facts

Disclaimer ::

The Information available on this site is for only Informational Purpose , before any use of this information please consult your Doctor .Price of the drugs indicated above may not match to real price due to many possible reasons may , including local taxes etc.. These are only approximate indicative prices of the drug.

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