Carboxyamidotriazole Orotate Shows Promising Activity in Brain Cancers

Excerpt:

“Carboxyamidotriazole orotate (CTO) in combination with temozolomide (Temodar), with or without radiotherapy, produced positive safety and efficacy results in a phase Ib study of patients with glioblastoma (GBM) or anaplastic gliomas.

“Forty-two patients were divided into 2 cohorts and received treatment. Cohort 1 included 27 patients with recurrent, temozolomide-refractory anaplastic gliomas or GBM. Twenty-one patients were assigned to a regimen of 219 to 812.5 mg/m2 of once-daily CTO in escalating doses and 6 were assigned to a fixed daily dose of 600 mg of CTO. All 27 patients received 150 mg/m2 of temozolomide on days 1 to 5 of each 28-day cycle.”

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Adjuvant Temozolomide in 1p/19q Non-Codeleted Anaplastic Glioma

Excerpt:

“Interim results of the phase III CATNON trial (EORTC study 26053-22054) indicate a survival benefit of adjuvant temozolomide in 1p/19q non-codeleted anaplastic glioma. These findings were reported in The Lancet by van den Bent et al.

“In the open-label 2 x 2 factorial trial, 745 adult patients with newly diagnosed disease were randomized 1:1:1:1 between December 2007 and September 2015 to receive radiotherapy (59.4 Gy in 33 fractions of 1.8 Gy) alone (n = 187) or with (n = 185) adjuvant temozolomide (12 4-week cycles of 150–200 mg/m² given on days 1–5) or to receive radiotherapy with concurrent temozolomide at 75 mg/m²/d with (n = 188) or without (n = 185) adjuvant temozolomide.”

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