AI Article Synopsis
- The study evaluated the effectiveness of combining interferon-alpha (IFN-alpha) and pirarubicin (THP) in preventing the recurrence of superficial transitional cell carcinoma (TCC) after surgery.
- A total of 68 patients were randomly assigned to two groups: one received IFN-alpha with THP, while the other got THP alone, with follow-ups conducted every three months for up to two years.
- Results showed a lower recurrence rate (12.1%) in the IFN-alpha plus THP group compared to the THP group (22.8%), indicating that this combination is more effective in preventing bladder cancer recurrence.
Article Abstract
Background & Objective: Superficial transitional cell carcinoma (TCC) of urinary bladder tends to recur after transurethral surgery. This study was designed to evaluate the effect of interferon-alpha (IFN-alpha)and pirarubicin (THP) on decreasing postoperative recurrence of superficial bladder cancer.
Methods: Recombinant IFN-alpha and THP has been used in clinical study. One week After operation, 68 patients were prospectively enrolled and divided into two groups randomly: IFN-alpha plus THP group and THP group. The protocols of chemoimmunoprophylaxis include 8 weekly and 10 monthly instillation of 3 x 10(7) IU IFN-alpha plus 40 mg THP in 40 ml 5% glucose via catheter.
Results: The follow-up period ranged from 6 to 32 months (median 18.2 months). The cytoscopy and cytology with cold cup biopsies had been carried out every 3 months for 2 years. Recurrence after instillation of IFN-alpha combining THP was observed in only 4 cases (12.1%), bladder irritation was found in 4 cases, fatigue in 3 cases, and rash in 1 case as well. Among the 35 cases in THP group, recurrence was found in 8 cases (22.8%), bladder irritation in 5 cases, fatigue in 3 cases. IFN-alpha plus THP yielded better effect than THP alone (P< 0.05),especially in grade 3 and stage PT1 bladder cancer.
Conclusions: IFN-alpha working in coordination with THP would be an effective remedy to prevent the recurrence of bladder cancer. The intravesical IFN-alpha plus THP appears to be more effective against recurrence than THP alone. Further study is needed for side-effect and popularization in such way.
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