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1.
Cancer Radiother ; 27(3): 235-239, 2023 May.
Article in English | MEDLINE | ID: mdl-37095055

ABSTRACT

Rectal leiomyosarcoma is a very rare entity. Surgery is the main treatment, but the place of radiation therapy remains unclear. A 67-year-old woman was referred for a few-weeks' history of bleeding and anal pain intensified during defecation. Pelvic magnetic resonance imaging (MRI) showed a rectal lesion and biopsies revealed a leiomyosarcoma of the lower rectum. She was free of metastasis on computed tomography imaging. The patient refused radical surgery. After discussion by a multidisciplinary team, the patient received pre-operative long-course radiotherapy followed by surgery. The tumor was treated with 50Gy delivered in 25 fractions, within 5 weeks. The aim of radiotherapy was local control, allowing organ-preservation. Four weeks after radiation therapy, organ-preservation surgery could be performed. She had no adjuvant treatment. At 38-months follow-up, she had no local recurrence. However, distant recurrence (lung, liver, and bone) was detected 38 months after the resection and was managed by intra-venous doxorubicin 60mg/m2 and dacarbazine 800mg/m2 every 3 weeks. The patient was in a stable condition for nearly 8 months. The patient died 4 years and 3 months after the diagnosis.


Subject(s)
Leiomyosarcoma , Rectal Neoplasms , Female , Humans , Aged , Rectum/surgery , Leiomyosarcoma/radiotherapy , Leiomyosarcoma/surgery , Rectal Neoplasms/radiotherapy , Rectal Neoplasms/surgery , Pelvis , Biopsy
3.
Ann Oncol ; 27(7): 1235-41, 2016 07.
Article in English | MEDLINE | ID: mdl-27029707

ABSTRACT

BACKGROUND: A minority of early breast cancer (EBC) patients treated with adjuvant or neoadjuvant chemotherapy have sufficient baseline vitamin D (vitD) level. This randomized phase III study assessed the safety and efficacy of a tailored, high-dose, oral vitD supplementation in restoring a normal 25-hydroxy vitD (25OHD) level in this population. PATIENTS AND METHODS: Participants received a 6-month conventional (C) vitD and calcium supplementation or a 6-month high-dose oral vitD regimen tailored on the deficiency (T) and a conventional calcium supplementation. The primary end point was the 6-month percentage of 25OHD serum level normalization. RESULTS: A total of 215 patients including 197 patients with vitD deficiency were recruited, and 195 patients were randomized (T, 100; C, 95). Compliance to the daily oral supplementation was 68.4% and 67% in the C and T arms, respectively. Discontinuous high-dose vitD compliance appeared higher in the T arm (77%). At 6 months, more patients presented with a normalized vitD level in the T arm (30% versus 12.6%; P = 0.003). Supplementation was well tolerated, and no significant difference in the treatment-related toxicity between the two arms was reported. Fifty-two patients without vitD normalization from the C arm switched to the T arm after 6 months. At 12 months, 44% of these patients achieved vitD normalization. CONCLUSION: A tailored high-dose oral vitD supplementation safely allows a higher percentage of the serum 25OHD level normalization compared with a conventional regimen in chemotherapy-treated EBC patients. As compliance to a daily oral supplementation remains poor in this setting, an adaptation of the treatment schedule is warranted. CLINICAL TRIAL NUMBER: NCT01480869.


Subject(s)
Breast Neoplasms/diet therapy , Dietary Supplements , Vitamin D Deficiency/diet therapy , Vitamin D/administration & dosage , Adult , Aged , Breast Neoplasms/blood , Breast Neoplasms/pathology , Drug-Related Side Effects and Adverse Reactions/pathology , Female , Humans , Middle Aged , Neoplasm Staging , Quality of Life , Vitamin D/analogs & derivatives , Vitamin D/blood , Vitamin D Deficiency/blood , Vitamin D Deficiency/pathology
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