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Bropirimine immunotherapy of upper urinary tract carcinoma in situ.

AbstractOBJECTIVES:
Bropirimine has been shown to be effective in treating approximately 50% of patients with carcinoma in situ (CIS) of the bladder in recent clinical trials. Patients with upper tract CIS were treated with bropirimine to determine whether this oral drug might be effective in that setting.
METHODS:
Twenty-four patients with negative radiographic findings and positive cytologic evidence for upper tract CIS in one or both ureters received bropirimine (3.0 g/day orally) for 3 consecutive days each week for up to 1 year. Ureteral collection of urine or barbotage for cytologic analysis was performed quarterly thereafter.
RESULTS:
Ten (48%) of 21 evaluable patients had a negative ureteral cytologic analysis after 12 weeks (5 patients) or 24 weeks (5 patients). Of these 10 patients, 8 continue to have negative cytology for a period of 3 to 30 months (median, more than 9 months). In 2 patients, negative cytology reverted to positive at 6 and 9 months, respectively, during therapy. Twelve (50%) of the 24 patients reported no toxicity. Three patients stopped treatment at 2, 3, and 3 weeks due to pruritic rash, nausea and vomiting, and severe bone pain, respectively. Therapy was stopped in 1 additional patient between 4 and 5 months because of transient liver enzyme elevations, yet this patient has had a continuous negative cytologic analysis for more than 9 months.
CONCLUSIONS:
Orally administered bropirimine may be effective therapy for CIS of the ureter or renal pelvis, with acceptable toxicity in most patients. Further efforts to better define this activity as well as the possible need for maintenance or intermittent long-term therapy are warranted.
AuthorsM F Sarosdy, L L Pisters, P R Carroll, M C Benson, T D Moon, D L Lamm, M A Hudson, S P Lerner, M O Koch, P F Schellhammer
JournalUrology (Urology) Vol. 48 Issue 1 Pg. 28-32 (Jul 1996) ISSN: 0090-4295 [Print] UNITED STATES
PMID8693647 (Publication Type: Clinical Trial, Journal Article, Multicenter Study)
Chemical References
  • Adjuvants, Immunologic
  • Cytosine
  • bropirimine
Topics
  • Adjuvants, Immunologic (therapeutic use)
  • Aged
  • Aged, 80 and over
  • Carcinoma in Situ (therapy)
  • Cytosine (analogs & derivatives, therapeutic use)
  • Female
  • Humans
  • Male
  • Middle Aged
  • Ureteral Neoplasms (therapy)

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