Citafine - 1400mg


Description


Citafine 1400mg infusion includes the active ingredient gemcitabine, which is a kind of chemotherapy medicine for cancer called as a 'cytotoxic antimetabolite'
Citafine 1400mg is a nucleoside analog of deoxycytidine used as chemotherapy to treat patients with various types of cancer
Citafine 1400mg is a prescription drug which is used under the supervision of medical oncologist


Indication

Citafine 1400mg is indicated for the treatment of Pancreas cancer
Citafine 1400mg is indicated for the treatment with combination of cisplatin for Non-small cell lung cancer
Citafine 1400mg is indicated for the treatment with combination of cisplatin for Bladder cancer
Citafine 1400mg is indicated for the treatment Soft-tissue sarcoma
Citafine 1400mg is indicated for the treatment with combination of paclitaxel for Metastatic breast cancer
Citafine 1400mg is indicated for the treatment with combination of carboplatin for Ovarian cancer






Dosage and administration


Pancreatic cancer :
The prescribed dose is 1000mg/m2 IV infusion over 30 min once weekly x 7 weeks; rest 1 week
And the dose 1000mg/m2IV once weekly for 3 weeks of each 28-day cycle
Non-small cell lung cancer :
The prescribed dose is 1000mg/m2IV infusion over 30 minutes on days 1,8 and 15 of each 28-day cycle or
The prescribed dose is 1250 mg/m2IV over 30 minutes on days 1 and 8 of each 21-day cycle
Administer cisplatin 100mg/m2 IV after gemcitabine on day 1
Breast cancer :
The prescribed dose is 1250 mg/m2IV over 30 minutes on days 1 and 8 of each 21-day cycle
Dose with paclitaxel 175mg/m2 on day 1 as a 3-hr infusion before gemcitabine
Ovarian cancer :
The prescribed dose is 1000 mg/m2IV over 30 minutes on days 1 and 8 of each 21-day cycle.
Dose with carboplatin AUC 4 on day 1 after gemcitabine

Mechanism Of Action


Gemcitabine diphosphate prevents ribonucleotide reductase, reporting in reductions in deoxynucleotide concentrations, contains dCTP
Gemcitabine triphosphate fight with dCTP for incorporation into DNA; reduction in the intracellular concentration of dCTP by the activity of the diphosphate intensify the inclusion of gemcitabine triphosphate into DNA (self-potentiation)
After the gemcitabine nucleotide is inclusion into DNA, only one additional nucleotide is combined to the growing DNA strands, which finally results in the induction of apoptotic cell death

ADME


Distribution:
By infusion length the volume of distribution is increased Vd: 50 L/m2
Metabolism:
Transformed through nucleoside kinases to two active metabolites such as gemcitabine diphosphate and gemcitabine triphosphate
Elimination:
The drug is excreted through urine (92-98%) and Half-life of Citafine is 1.7-19.4 hr

Precautions


Pancreatic cancer :
The prescribed dose is 1000mg/m2 IV infusion over 30 min once weekly x 7 weeks; rest 1 week
And the dose 1000mg/m2IV once weekly for 3 weeks of each 28-day cycle
Non-small cell lung cancer :
The prescribed dose is 1000mg/m2IV infusion over 30 minutes on days 1,8 and 15 of each 28-day cycle or
The prescribed dose is 1250 mg/m2IV over 30 minutes on days 1 and 8 of each 21-day cycle
Administer cisplatin 100mg/m2 IV after gemcitabine on day 1
Breast cancer :
The prescribed dose is 1250 mg/m2IV over 30 minutes on days 1 and 8 of each 21-day cycle
Dose with paclitaxel 175mg/m2 on day 1 as a 3-hr infusion before gemcitabine
Ovarian cancer :
The prescribed dose is 1000 mg/m2IV over 30 minutes on days 1 and 8 of each 21-day cycle.
Dose with carboplatin AUC 4 on day 1 after gemcitabine.

Drug Interaction


No drug interaction studies have been conducted

Side Effects


Very common side effects :
• Dyspnea
• Alopecia
• Allergic skin rash or itching
• Cold or flu-like symptoms
• Retention of fluid in the body
• Abnormal results in liver function tests.
• blood in the urine or protein presence
Common side effects :
• Loss of appetite.
• Headache.
• Insomnia
• Sleepiness.
• Mouth ulcers.
• Diarrhoea or constipation.
• Cough.
• Blocked or runny nose.
• Sweating.
• Back pain.
• Aching muscles (myalgia).
• Chills and fever.
• Weakness.

Missed Dose


If failed to take dose, then have the missed dose as soon as possible before next dose time reaches or skip the dose and follow the normal schedule
Consult the doctor

Storage


The drug Citafine 1400mg Store at 200 to 250 C (680 to 770F)



Pregnancy


The Citafine 1400mg Pregnancy category D
When administrated to a pregnant woman will cause fetal harm to the fetus the pregnant women should be apprised of the possible hazard to a fetus.


Lactation


Avoid breastfeed during this treatment because the drug Citafine 1400mg may excreted into breast milk.


Contraindication


Hypersensitivity


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