Elsevier

Annals of Oncology

Volume 11, Issue 10, October 2000, Pages 1281-1288
Annals of Oncology

Original articles
Streptozocin and o,p'DDD in the treatment of adrenocortical cancer patients: Long-term survival in its adjuvant use

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Summary

Background

To evaluate the efficacy of streptozocin and o,p'DDD (SO) in adrenocortical cancer (ACC) patients since other chemotherapeutic regimens have limited effects.

Patients and methods

We performed a phase II study with SO therapy in 40 ACC patients (median age 44 years). Oral o,p'DDD administration (1–4 g/d, every day) was given together with intravenous streptozocin (1 g/d for five days, thereafter 2 g once every three weeks). 5HT3-receptor blocker was used as standard premedication for streptozocin.

Results

The SO therapy was found to have significant effects on disease-free interval (P=0.02) as well as on survival (P=0.01) in adjuvantly treated cases (n=17) in comparison to the patients who did not get any therapy after complete resection (n=11). Complete or partial response was obtained in 36.4% of patients with measurable disease (n=22). The overall two-year and five-year survival rates were 70% and 32.5%, respectively. The presence of metastases at diagnosis was identified as a poor prognostic factor (P=0.02).

Conclusions

The present study necessitates further randomized clinical study of SO therapy in the treatment of ACC, mainly as adjuvant treatment immediately after curative intended surgery, and could be developed into a regular treatment regimen.

adjuvant chemotherapy
adrenocortical cancer
disease-free interval
o,p'DDD, streptozocin

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