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ORIGINAL ARTICLE
Year : 2010  |  Volume : 6  |  Issue : 3  |  Page : 272-277

Assessment of compliance to treatment and efficacy of a resource-sparing hypofractionated radiotherapy regimen in patients with poor-prognosis high-grade gliomas


Department of Radiation Oncology, Tata Memorial Hospital, Tata Memorial Centre, Dr Ernest Borges Road, Parel, Mumbai 400012, India

Correspondence Address:
T Gupta
Associate Professor, Radiation Oncology, ACTREC, Tata Memorial Centre Kharghar, Navi Mumbai 410210
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.73353

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Introduction: The optimal radiotherapeutic management of poor-prognosis (elderly and/or poor performance status) high-grade gliomas (HGG) remains controversial. Hypofractionated radiotherapy (hypoRT) has been shown to be non-inferior to daily conventionally fractionated radiotherapy. This study aimed to assess the compliance to treatment and efficacy of a resource-sparing hypoRT regimen in this subset. Materials and Methods: The resource-sparing hypoRT regimen was delivered once weekly (5Gy/fraction) for seven fractions to a total dose of 35Gy in seven fractions over six weeks. Compliance to planned treatment and factors that could potentially influence it were analyzed. Results: Between January 2004 and October 2009, 63 patients with poor-prognosis HGG (age range 40-78 years; Karnofsky performance score ?70) were offered resource-sparing hypoRT regimen. Twenty eight of 63 patients completed planned course of treatment giving a treatment compliance rate of 44%. Six (9.5%) patients did not receive even a single fraction of radiation after simulation/planning. Thirty eight patients (60%) received ?3 fractions and were on treatment for at least two weeks. Performance status (P=0.05) and grade (P=0.04) significantly impacted upon compliance. Median overall survival for the cohort of 28 patients who completed planned course of treatment was 7.4 months (95% confidence interval: 4.4-10.5 months). Conclusions: The treatment compliance to a resource-sparing once-weekly hypoRT regimen in poor-prognosis HGG has been somewhat suboptimal and discouraging, possibly due to the protracted scheduling over six weeks. Over 60% of patients were on treatment for two weeks, suggesting that short-course schedules could more likely ensure compliance.


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