Cancer · 1999
A multimodal strategy for the treatment of patients with T2 invasive squamous cell carcinoma of the glottis.
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Laccourreye O, Diaz E M, Bassot V, Muscatello L, Garcia D, Brasnu D
Аннотация
BACKGROUND: The current conservative standard of care for T2 squamous cell carcinoma of the glottis is either partial laryngectomy or radiation therapy.
METHODS: Based on an inception cohort of 100 patients with T2 squamous cell carcinoma of the glottis and a minimum of 3 years of follow-up, the present study documented the results achieved with a multimodal strategy using platinum-based induction chemotherapy and partial laryngeal surgery. Statistical analysis of survival and local control was based on the Kaplan-Meier actuarial life table method. Univariate analysis was performed to determine whether there was a correlation among various factors and toxicity, clinical response, histologic regression, local control, and survival.
RESULTS: A complete clinical response and a partial response after induction chemotherapy was achieved in 24% and 58% of patients, respectively. Complete histologic regression was noted in 31%. A significant statistical relation (P < 0.0001) was noted between a complete clinical response after induction chemotherapy and a complete histologic regression. The 5-year actuarial survival estimate was 85.8%. The 5-year actuarial local control estimate was 95.7% (97.7% if the vocal cord was mobile and 93.8% if the motion of the vocal cord was impaired). Salvage treatment resulted in an overall 99% rate of local control and a 95% rate of laryngeal preservation.
CONCLUSIONS: Because this represents a nonrandomized retrospective study, no definitive conclusions can be derived. However, when compared with the data reported in a large series using radiation therapy or partial laryngectomy alone, this 10-year experience suggests that, in patients with "early" invasive squamous cell carcinoma of the glottis, the use of platinum-based induction chemotherapy prior to a conventional conservative treatment modality should be investigated further.
METHODS: Based on an inception cohort of 100 patients with T2 squamous cell carcinoma of the glottis and a minimum of 3 years of follow-up, the present study documented the results achieved with a multimodal strategy using platinum-based induction chemotherapy and partial laryngeal surgery. Statistical analysis of survival and local control was based on the Kaplan-Meier actuarial life table method. Univariate analysis was performed to determine whether there was a correlation among various factors and toxicity, clinical response, histologic regression, local control, and survival.
RESULTS: A complete clinical response and a partial response after induction chemotherapy was achieved in 24% and 58% of patients, respectively. Complete histologic regression was noted in 31%. A significant statistical relation (P < 0.0001) was noted between a complete clinical response after induction chemotherapy and a complete histologic regression. The 5-year actuarial survival estimate was 85.8%. The 5-year actuarial local control estimate was 95.7% (97.7% if the vocal cord was mobile and 93.8% if the motion of the vocal cord was impaired). Salvage treatment resulted in an overall 99% rate of local control and a 95% rate of laryngeal preservation.
CONCLUSIONS: Because this represents a nonrandomized retrospective study, no definitive conclusions can be derived. However, when compared with the data reported in a large series using radiation therapy or partial laryngectomy alone, this 10-year experience suggests that, in patients with "early" invasive squamous cell carcinoma of the glottis, the use of platinum-based induction chemotherapy prior to a conventional conservative treatment modality should be investigated further.