title: Early response to chemotherapy as a prognostic factor in Hodgkin's disease.
abstract: In 164 patients with Hodgkin's disease staged between 1973 and 1979 the response to the 3 initial cycles of multiagent chemotherapy was evaluated as a prognosticator of survival. Treatment of localized disease (Stages I, II, III1) consisted of 3 cycles of chemotherapy followed by subtotal nodal irradiation, including the splenic area in non splenectomized patients. Treatment of extended disease (Stage III2 and IV) consisted of 6 cycles followed by low-dosage radiotherapy of initial bulky disease. Five-year actuarial survival was 88% in Stage I, 80% in II, 100% in III1, 45% in III2 and IV. Chemotherapy-induced complete remission after 3 cycles (CH leads to CR) was associated with a favorable prognosis. Five-year survival of Stage III2 and IV patients was better in those who reached CH leads to CR than in those who did not (75% versus 25%; P less than 0.01). This relationship between CH leads to CR and five-year survival was confirmed in patients with localized disease, as shown in Stage II patients (respectively 97% versus 63%; P less than 0.05). Therefore the response to initial chemotherapy provides a new prognostic factor that may serve to delineate a "high-risk" group of patients. The latter deserve aggressive therapy while those in the favorable group would benefit from a less aggressive combined regimen that would minimize long-term complications.
mesh_terms: D000970:Antineoplastic Agents / Q000008:administration & dosage*; D000971:Antineoplastic Combined Chemotherapy Protocols; D004359:Drug Therapy, Combination; D006689:Hodgkin Disease / Q000188:drug therapy* / Q000473:pathology / Q000532:radiotherapy; D006801:Humans; D008130:Lomustine / Q000008:administration & dosage; D008466:Mechlorethamine / Q000008:administration & dosage; D009367:Neoplasm Staging; D011241:Prednisone / Q000008:administration & dosage; D011336:Probability; D011344:Procarbazine / Q000008:administration & dosage; D011379:Prognosis; D013997:Time Factors; D014747:Vinblastine / Q000008:administration & dosage; D014750:Vincristine / Q000008:administration & dosage
chemical_list: D000970:Antineoplastic Agents; D011344:Procarbazine; D008466:Mechlorethamine; D014750:Vincristine; D014747:Vinblastine; D008130:Lomustine; D011241:Prednisone