Which of the following drugs required a dose adjustment in patient during radiotherapy in order to present radiation toxicity ?: (A) Vincristine, (B) Dactinomycin, (C) Cyclophosphamide, (D) 6-Mercaptopurine
Answer is B. Ans. is 'b' i.e., Dactinomycin o Like anthracyclines (doxo and daunorubicin), dactinomycin can also cause radiation recall syndrome and the dose should be adjusted with radiotherapy.