PastoCys
(Freeze-dried Intravesical BCG)
Freeze-dried Intravesical BCG is a compact powder made up of Pasteur strain 1173P2Mycobacterium bovisBCG that the number of culturable particles after reconstitution with sterile sodium chloride 0.9% is 5-30×108 CFU/vial.
Composition
Each vial consists of:
- Freeze-dried liveMycobacterium bovisBCG Pasteur strain 1173P2:120 mg
- Sodium L-glutamate monohydrate: 75 mg
- Lactose monohydrate: 300 mg
Dosage Form
Freeze-dried powder (creamy color suspension for injection after reconstitution with sterile sodium chloride 0.9%).
Pharmacological Information
- Freeze-dried Intravesical BCG acts as a non-specific immune-potentiator not by a single mechanism but by a variety of actions involving cells of the immune system.
- Freeze-dried Intravesical BCG has a stimulating effect on the macrophage function and activates natural killer (NK) cells and T-lymphocytes.
Dosage & Administration
- Treatment with BCG consists of six consecutive weeks and then a maintenance therapy every three to six months during a period of three years according to physician point of view.
-Normally BCG therapy should be begun immediately after distinction or about 10-14 days after transurethral resection (TUR).
- Primary dilution: Reconstitute each vial with 3 ml of sterile sodium chloride 0.9% by a syringe. To prevent the formation of foam, the suspension should not be shaken vigorously. After one minute the suspension should be mixed by withdrawing it into a syringe and expelling it back into the vial two or three times.
- Preparation of suspension: Solute the vial content with sterile sodium chloride 0.9% to a final volume of 50 ml.
- The suspension should be instilled into the bladder immediately as follows:
- Insert a catheter and drain the bladder completely.
- Connect the syringe containing the suspension to the catheter and instill the suspension.
- Remove the catheter.
- The instilled BCG suspension must remain in the bladder for a period of 2 hours. During this period, the suspension should have sufficient contact with the entire mucosal surface of the bladder.
- For a bed-ridden patient, the position from back to prone and vice versa should be changed every 15 minutes.
- After 2 hours, the patient should void the instilled suspension preferentially in a sitting position.
- Patients should not drink any fluid 4 hours prior to and 2 hours after instillation.
- In case of no medical contraindication, a hyper hydration is recommended to patient two hours after each injection for 48 hours following each instillation.
Notice
Freeze-dried Intravesical BCG should not be used for subcutaneous, intradermal, intramuscular or intravenous.
Indication
Treatment of superficial urothelial bladder carcinoma contains of:
1. Carcinoma in situ (CIS)
2. Ta
3. T1
- Low-grade (I, II): if multifocal and/or recurrent
- High-grade (III)
Warning
-Treatment with BCG should be done in a special hospital under aseptic condition to make the consecutive control possible.
-During and after the treatment period, regular exams including cytological urine exam and cystoscopy should be done and they could be completed by biopsy if it is needed.
-During and before the treatment period, control of the cells situation is recommended.
- In order to protect the partner, the patient is recommended either to refrain from intercourse
within one week after instillation, or to use condom.
- Concurrent administration with viral vaccines is not recommended.
- It is recommended that live vaccines be given 6-8 weeks after and killed vaccine be given 7 days before or 10 days after BCG therapy.
-This product is biologic and should be discarded with safety consideration.
Side Effects
- CNS: Headache, Dizziness.
- Dermatological: Rash.
- Gastrointestinal: Nausea, Vomiting, Anorexia, Weight loss, Abdominal pain, Diarrhea.
- Hepatic: Hepatic granuloma, Hepatitis.
- Hematological: Anemia, Leukopenia.
- Neuromuscular and skeletal: Arthritis, Myalgia.
- Renal: Dysuria, Urinary frequency with pain, Cystitis, Nocturia, Incontinence.
- Respiratory: Pulmonary infection.
- Miscellaneous: Malaise, Fever, Chills, BCG infection disseminated.
- Granulomatous prostatitis.
Contraindications
- Hematuria (Blood in urine)
- Immune system deficiency
- Active tuberculosis
- Treatment with anti-tuberculosis drugs like Rifampin, Streptomycin, Isoniazid.
- Acute febrile infection; Systemic reaction to BCG; Urinary infection; Positive HIV.
- Radiotherapy.
Pregnancy & Lactation
This drug is not recommended during
pregnancy and lactation.
Precautions
- This drug should be administered under the guidance of a qualified physician.
- Any unused portion should be discarded.
- The parenteral administration of any biological product should be attended by appropriate precautions in case allergic or other untoward reaction occurs.
-Parental drug products should be inspected visually for exogenous particulate matter and discoloration prior administration. Do not use any vials exhibiting exogenous particulate matter or discoloration.
• Urine voided for 6 hours after instillation should be disinfected with an equal volume of 5% hypochlorite solution (undiluted household bleach) to stand for 15 minutes before being flushed.
Storage condition & shelf life
• Freeze-dried intravesical BCG should be stored at 2-8ºC
(in a refrigerator) and protected from direct sun light.
The expiration date at this condition is 16 months after production.
• Keep out of reach of children.
Packaging
Each box contains of 6 small boxes, and each vial contains 120 mg Mycobacterium bovis BCG.