Multicenter phase II trial of the single agent fotemustine in patients with advanced malignant melanoma.
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Biomedical subjects
Publications and source records attributed to A Ardizzoni.
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Thirty-four patients with previously untreated advanced non-small-cell lung cancer were treated with a combination of polychemotherapy and recombinant interferon. Chemotherapy consisted of cyclophosphamide, 400 mg/m2, epidoxorubicin, 50 mg/m2, and cisplatin, 40 mg/m2 (CAP) i.v. on day 4; recombinant alpha 2b interferon (r alpha 2b IFN) was given i.m. daily at the dose of 3-5 MU from days 1 to 7. The treatment was repeated every 4 weeks. In the 32 eligible patients the overall response rate was 19.3% (95% C.L. 7.4-37.4%). Non-hematologic toxicity consisted formerly in flulike symptoms and fatigue complained of by 37.5% and 31.2% of patients, respectively, and vomiting reported in 68.7% of patients; grade III-IV myelotoxicity was observed in 12.5% of cases. In no case was the toxicity life threatening. The median overall actuarial survival and progression-free survival were 37 and 20 weeks, respectively. This study indicates that the combination of CAP chemotherapy and r alpha IFN is feasible and active in the treatment of advanced non-small-cell lung cancer.
Twenty-four patients with severe post-chemotherapy emesis (greater than 15 emetic episodes) refractory to prior combination antiemetic therapy were treated with a selective 5-HT3 receptor antagonist ondansetron (GR38032F). Ondansetron was given as 8 mg three times daily orally for 5 days with the first dose given 1 h prior to chemotherapy. Control of emesis was evaluated over the 5-day period. All chemotherapy was administered on an outpatient basis. Worst day analysis of antiemetic response was 87.5%: complete protection in 9/24 patients (37.5%) and major protection (1-2 emetic episodes) in 12/24 patients (50%). No protection from emesis was observed in 3 patients (12.5%). No side effects and no alterations in liver function tests were observed. Ondansetron is a safe and highly effective antiemetic agent.
Tumor infiltrating (TIL) and peripheral blood lymphocytes (PBL) were isolated from 18 patients with non-small cell lung cancer undergoing radical surgery. Surface marker analysis revealed that TILs and PBLs mainly consisted of CD3+ T cells and that TILs generally displayed a lower CD4/CD8 ratio. Differences were found in the expression of CD25 (IL-2 receptor) and DR (MHC class II) antigens, which were increased in TILs, and in the percentage of CD16+ natural killer (NK) cells, which was reduced in TILs as compared to PBLs. Accordingly, the NK activity of TILs was lower than that of PBLs, whereas neither TILs nor PBLs expressed spontaneous cytolytic activity against fresh autologous tumor cells, melanoma cells and the "NK-resistant" A549 lung carcinoma cell line. After 4 days of culture in medium with recombinant-interleukin-2 (rIL-2), TILs and PBLs acquired cytolytic activity against all cell targets, but TILs expressed higher levels of cytotoxicity than autologous PBLs only in 3 patients out of 16 tested. More importantly, both TILs and PBLs displayed similar levels of cytotoxic activity against autologous tumor cells. TILs and PBLs from 8 patients were also analyzed by a limiting dilution microculture system. Cloning efficiency was remarkably lower in TILs, and surface marker analysis of T cell clones confirmed that an accumulation of CD8+ lymphocytes, which displayed cytolytic activity in a lectin-dependent assay, occurred at the tumor site. The non-MHC-restricted cytolytic activity of TIL- and PBL-derived T cell clones against K562, A549, and allogeneic melanoma cells and the cytolytic activity against autologous tumor cells showed no significant differences. Only 53% of TIL clones released IL-2 in response to PHA + TPA stimulation, whereas 68% of PBL-derived clones were IL-2 producers. Moreover, most PBL- and TIL-derived clones released tumor necrosis factor alpha in response to mitogen stimulation.
Two hundred sixteen patients with unresectable non-small cell lung carcinoma were randomly allocated to receive etoposide (120 mg/m2, days 1-3) either alone or in combination with high-dose cisplatin (60 mg/m2, days 1-2). The patients' distribution and characteristics were similar in the two treatment arms. The objective response rate for etoposide was 7% versus 25.8% for etoposide plus cisplatin (P less than 0.005). Median progression-free survival in etoposide arm was 3.5 months versus 5 months in the combination arm (P = 0.43). The median survival time for etoposide was 6 months compared with 8 months for etoposide combined with cisplatin (P = 0.87). Significantly more nausea/vomiting (P less than 0.005), serum creatinine elevation (P less than 0.005), hearing loss and/or tinnitus (P less than 0.005), peripheral neuropathy (P less than 0.005), leukopenia (P less than 0.025), and anemia (P less than 0.005) occurred in the etoposide plus cisplatin arm. No statistically significant difference was recorded between the two arms in terms of performance status changes. In conclusion the addition of high-dose cisplatin to single-agent etoposide significantly increases the chance of obtaining tumor response in advanced non-small cell lung cancer at the cost of an increased toxicity without any significant long-term impact on survival and progression-free survival.
To assess the prognostic value of tumor proliferative activity, 89 patients with operable non-small cell lung cancer were studied. Tumor samples were obtained during surgery and cell kinetics were analyzed by the in vitro thymidine labelling index (TLI). The overall median TLI (2.9) was used to identify two subsets of patients with high and low proliferating tumors. In univariate analysis survival was significantly longer in patients with lower TLI (P = 0.047) and with stage I-II (P = 0.003) and T1-T2 tumors (P = 0.043). In multivariate analysis, stage was the most important prognostic parameter (P = 0.004). The risk of death for patients with TLI higher than 2.9 was increased (hazard ratio = 2.01, CI = 0.96-4.27).
Two series of five consecutive patients with small cell lung cancer were treated with an "accelerated" chemotherapy regimen of cyclophosphamide-doxorubicin-vincristine (CAV) and cisplatin-etoposide (PE) alternated possibly every week. In the first group of patients (median age 49 years, range 46-52) recombinant granulocyte-macrophage colony-stimulating factor (GM-CSF) was given as soon as grade IV leukopenia occurred, while in the second group (median age 59 years, 55-68) no growth factor was administered. The mean interval between chemotherapy courses and the mean duration of chemotherapy were 10 and 57 days, respectively, in the patients supported with GM-CSF compared with 13 and 72 days in the control group. One GM-CSF treated patient was withdrawn after the third cycle because of severe toxicity. The mean white blood cell and platelet nadirs were 600 and 46,000/microliters in the first group vs. 840 and 105,000/microliters in the controls. Overall chemotherapy dose-intensity was increased by two fold in the patients given GM-CSF compared with a 1.5 fold increase in the control patients. In all cases, irrespective of their treatment, there was an impaired colony forming capacity of circulating and marrow haemopoietic progenitor cells when grade IV leukopenia occurred, with recovery after the end of leukopenia. This pilot study suggests that accelerated CAV/PE chemotherapy is feasible both with and without GM-CSF. Different GM-CSF schedules as well as combinations of different haemopoietic growth factors may further improve dose-intensity.
Between August 1983 and December 1986, 116 previously untreated patients with squamous cell carcinoma of the head and neck were randomized to receive induction chemotherapy followed by radiotherapy given in conventional fractions (55 patients, arm A) or an alternating chemotherapy and radiotherapy (3 courses of 20 Gy, 10 daily fractions each; 61 patients, arm B). The same chemotherapy was used in both arms: 6 mg/m2 vinblastine sulfate, hour 0; 30 mg bleomycin, hour 6; 200 mg methotrexate, hours 24 to 26; 45 mg leucovorin, hour 48. Forty-five patients had stage III disease and 71 had stage IV disease. All patients were evaluated for survival, 112 for toxicity, and 105 for analyses of response and time from the start of treatment until progression of disease. At the end of the combined treatment, we observed an overall response rate of 52% in arm A and an overall response rate of 64.9% in arm B. The incidence of mucositis was more relevant in arm B compared to arm A (P less than .00004). The difference in complete response, progression-free survival, and survival was statistically significant, with an advantage for arm B (P less than .03, P less than .02, and P less than .03, respectively). The analysis at a median follow-up of 36 months (range = 19 to 59) demonstrates a higher effectiveness for the alternating program.
Twenty consecutive metastatic renal cell carcinoma patients were treated with a combination of recombinant alpha-2a interferon (18 X 10(6) U three times weekly) and vinblastine (0.1 mg/kg every 3 weeks). Two patients (10% response rate; 95% confidence limits 1.23-31.7%) achieved partial response and 11 (55%) stable disease. Toxicity was significant but always acceptable: most frequently, patients complained of fever and flu-like symptoms (18 of 19 patients), fatigue (18 of 19 patients), worsening in performance status (15 of 19 patients), and anorexia (15 of 19). The combination of recombinant alpha-2a interferon and vinblastine is active in renal cell carcinoma.
A pilot study was undertaken to evaluate toxicity and activity of recombinant alpha-2b interferon in patients with metastatic malignant melanoma. Interferon was administered at the dosage of 10 x 10(6) IU/m2, 3 times a week i.m. 21 patients entered the study, 17 pretreated with chemotherapy and/or immunotherapy and 6 untreated. We obtained 3 partial responses (14.3%; 95% CL, 3.0-36.3%); 9 patients had stable disease. All patients experienced flue-like symptoms and fever; most fatigue and worsening of performance status. Recombinant interferon alpha-2b at the dosage and schedule used has limited but definite activity in metastatic malignant melanoma; the substantial subjective toxicity must be taken into consideration. Further trials testing recombinant alpha interferon in combination with chemotherapeutic agents, like DTIC, are warranted.
All consecutive eligible patients with non-small-lung carcinoma seen at Centro di Riferimento Oncologico and Istituto Nazionale per la Ricerca sul Cancro were entered into a randomized chemotherapy study. Conditions of eligibility included advanced stage (stage III not amenable to radiation therapy or i.v.), measurable or evaluable lesions, age less than 70 years, performance status (PS) greater than 40, and no previous chemotherapy. Patients were randomized to either CAMP (cyclophosphamide 300 mg/m2 i.v., adriamycin 20 mg/m2 i.v., methotrexate 15 mg/m2 i.v. days 1 and 8, procarbazine 100 mg/m2 orally from day 1 to day 10, every 4 weeks) or DE (cisplatin 20 mg/m2 i.v. for five consecutive days and etoposide 75 mg/m2 i.v. on the same days, every 3 weeks). Treatment was continued until progression. Out of the 136 patients randomized, 133 were eligible (CAMP 62, DE 71) and 108 evaluable. Patient characteristics included male/female ratio 57/5 (CAMP) and 61/10 (DE), median age of 60 years (CAMP) and 59 years (DE), PS greater than or equal to 70 for 39 (CAMP) and 50 (DE), PS less than 70 for 23 (CAMP) and 21 (DE), stage III for 18 (CAMP) and 15 (DE), and stage IV for 44 (CAMP) and 56 (DE). DE was superior to CAMP in terms of response rate, defined as responding/evaluable patient ratio (38.2% versus 20.8%); however, the responding/eligible patient ratio was not significantly different in the two groups. The superiority of DE tended to be more marked in stage III patients, in patients with PS greater than or equal to 70, and in the squamous histological type. Toxicity was acceptable (one toxic death) and evenly distributed in the two treatment groups; only renal toxicity was prevalent in the DE group. Survival (all eligible patients) was significantly better in the DE than in the CAMP group. Whether DE chemotherapy is superior to a no-chemotherapy approach has not been evaluated in this study and remains to be determined.
Effusion recurrence is a major problem in the palliative care of patients with disseminated cancer. Thirty-two patients with recurrent malignant pleural effusions were treated with intracavitary natural beta-interferon at increasing doses (5-20 million units) for a maximum of three administrations. Among 29 evaluable patients, 11 showed complete (27.6%) or partial (10.3%) remission. No difference in response rate was observed according to sex, age, and histological type. All the responses were observed in patients with an effusion volume less than 1,000 ml (11/16; 68.8%). No side effect was observed. In conclusion, intrapleural beta-interferon is promising as a palliative in the treatment of recurrent malignant effusions.
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Twenty-seven evaluable patients with small cell lung cancer (SCLC) resistant to, or relapsed after induction combination chemotherapy (CT) were treated with etoposide (VP16) plus cisplatin (DDP). Previous treatment was: alternating CT with cyclophosphamide (C), adriamycin (A), methotrexate (M), procarbazine (P) (CAMP)/VP16, BCNU (B), hexamethylmelamine (H) (VP16 BH) in 16 patients; C, A, vincristine (CAV) in 6 patients; C, A, and VP16 (CAVP16) in 5 patients. We observed 2 (7%) complete responses (CR) and 9 (33%) partial responses (PR). Duration of CRs was 8 and 14 weeks, respectively. PRs lasted a median of 22 weeks (range 16-44). Seven of 21 (33%) patients previously treated with VP16 responded to DDP plus VP16 (D-V). These results confirm D-V regimen as active in SCLC patients even when heavily pretreated. Our 33% response in patients who had VP16 in their induction treatment regimen provides further evidence of an important potentiating effect of DDP, as reported in animal system.
The antitumoral activity and toxicity of a new daunorubicin analog (4-demethoxydaunorubicin, IMI 30, Idarubicin) was tested in 20 consecutive patients with non-small cell lung cancer mostly pretreated with chemotherapy. The drug was administered orally at a dose of 15 mg/m2 for three days every 3-4 weeks. There were no clinical responses. Hematological and nonhematological toxicities were mild.
A multicenter Italian Cooperative Study Group (FONICAP) conducted a prospective, randomized trial comparing cisplatin and etoposide (VP-16) with single-agent etoposide. The national study accrued 216 patients with measurable or evaluable non-small cell lung cancer (NSCLC) with either unresectable stage III, or distant metastasis (stage IV). One hundred patients were evaluable for response in the single-agent arm, and 93 in the two-drug combination arm. The overall response rates for the etoposide group and cisplatin/etoposide (VP-16) group were 7% and 26%, respectively (P less than 0.005). Five patients (5.6%) in the combination arm and 1 (1%) in the single agent arm had a complete response. The overall median survival was 236 days for the two-drug arm and 178 days on the single-drug arm (P = 0.2). Treatment-related toxicity (nausea and vomiting, leukopenia, anemia, hearing-loss, peripheral neuropathy, serum creatinine elevation) was significantly more pronounced in the combined arm. The addition of cisplatin to etoposide gave a small non-statistically significant improvement in terms of performance status and thoracic symptoms.
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Experimental data show that sequencing methotrexate (MTX) and 5-fluorouracil (5-FU) may result in synergistic antitumor activity. Moreover, the effect of 5-FU is increased by folinic acid (FA), and finally, cyclophosphamide (CPA) produces an expansion of tumor growth fraction, suggesting an increased cytotoxic effect of cycle-specific drugs subsequently administered. Based on these premises, we have performed a Phase II study with CPA (600 mg/m2 i.v., day 1), MTX (200 mg/m2 1-h i.v. infusion, day 7), 5-FU (600 mg/m2 i.v., day 8), and FA (500 mg/m2 2-h i.v. infusion, day 8 plus 15 mg p.o. every 6 h on days 8 and 9) administered every 3 weeks. Thirty-six patients with metastatic breast cancer were admitted into the study. Median age was 52 years, and all but two patients were postmenopausal. Dominant sites of metastases were soft tissues in 10 patients, bones in 7 patients, and viscera in 19 patients. All patients were pretreated with chemo- and/or hormone therapy. Sixteen patients achieved an objective response (44.5%: 1 complete response and 15 partial responses), 8 had stable disease (SD) (22.2%), and 12 progressed (33.3%). Twenty-one patients had previously received conventional CMF in an adjuvant setting (15 patients) or for metastases (6 patients): 1 complete response (CR) and 7 partial responses (PR) were obtained in the first group and 1 in the second. Major toxic effects were hair loss (56.4%), nausea and vomiting (72%), mucositis (52.5%), and leukopenia (61%). A randomized study could be useful to assess the role of sequential CMF versus conventional CMF in metastatic breast cancer patients.