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PubMed2003

Vinorelbine as a 96-hour continuous infusion in heavily pretreated patients with metastatic breast cancer: a cooperative study by the GEICAM group.

The efficacy of vinorelbine given as a continuous infusion was evaluated in 47 patients with breast cancer who had received previous treatment with first-line, second-line, and third-line chemotherapy including taxanes and/or anthracyclines. For inclusion into the study, patients were required to have histology-proven bi-dimensionally measurable disease. The treatment schedule was a bolus injection of vinorelbine 8 mg/m(2) administered over 5-10 minutes on day 1 followed by vinorelbine 8 mg/m(2) continuous infusion on days 1-4, every 21 days for 6 cycles. On an intent-to-treat basis, a 2% complete response rate and a 17% partial response rate were observed. The median time to progression was 2.4 months (95% CI, 1.83-2.97). Median survival was 7.73 months (95% CI, 4.48-10.98; range, 0.33-55.0 months). Major toxicities included febrile neutropenia in 40 cycles (24%) affecting 24 patients (51%) and 1 toxic death. Other nonhematologic toxicities included stomatitis (13%) and asthenia (13%). We conclude that this treatment shows considerable therapeutic activity, albeit at considerable toxicity costs, even in patients who have had multiple lines of prior chemotherapy. However, the results do not indicate clear advantages compared to the conventional weekly scheme of administration.

Adult↗
PubMed2004

Gemcitabine plus carboplatin combination therapy as second-line treatment in patients with relapsed breast cancer.

This study was designed to determine the safety and efficacy of the combination therapy of gemcitabine plus carboplatin when used as a second-line treatment in patients with metastatic breast cancer (MBC). From February 2002 to May 2003, 30 previously treated patients with adenocarcinoma of the breast received gemcitabine 1000 mg/m2 on days 1 and 8 plus carboplatin to an area under the curve (AUC) of 5 on day 1. The carboplatin dose was changed to an AUC of 4.5 because of toxicity, with cycles repeated every 3 weeks. Among 30 patients enrolled, 25 were assessable for response rate (RR). There was no complete response; 9 patients (30%) had partial response, for an overall RR of 30%. The median time to progression for the study group was 20.47 weeks (range, 8-46 weeks). Treatment-related toxicities included grade 3/4 neutropenia in 50% of patients (20% of whom had febrile neutropenia), grade 3/4 anemia in 26.6% of patients, and grade 3/4 thrombocytopenia in 30%. Eleven patients (36.67%) had grade 1 alopecia, and 1 patient (3.33%) had grade 2 alopecia. Moderate nausea was observed in 8 patients (26.67%), and vomiting occurred in 7 patients. Four patients had asthenia and 3 (10%) experienced stomatitis. Three patients discontinued treatment because of hematologic toxicity (thrombocytopenia) and 2 patients are still receiving treatment. Carboplatin plus gemcitabine is an active combination for patients with MBC despite significant but manageable hematologic toxicity.

Adenocarcinoma↗
PubMed2004

Phase II study of trastuzumab plus gemcitabine in chemotherapy-pretreated patients with metastatic breast cancer.

We evaluated the efficacy and toxicity of trastuzumab plus gemcitabine in patients with HER2-positive metastatic breast cancer (MBC). Sixty-four patients were enrolled, the majority of whom (95%) had been treated with an anthracycline and a taxane before study enrollment. Eligible women were treated with gemcitabine (1200 mg/m(2) weekly for 2 weeks with the third week off on a 21-day cycle) plus weekly doses of trastuzumab (4-mg/kg loading dose; 2 mg/kg thereafter) until disease progression. The median patient age was 55 years, and the median number of previously administered (including adjuvant) chemotherapy regimens was 3. Twenty-two patients were scored as 2+ for HER2 expression by immunohistochemistry; 39 patients scored 3+. Three patients were assessed as HER2-negative on central pathology review and were ineligible for evaluation. Fifty-nine of the 61 patients remained evaluable for response. The objective response rates were 38% in the intent-to-treat population (23 of 61) and 44% among the 39 patients with HER2 3+ expression. The median response duration was 5.8 months, median overall survival was 14.7 months, and median time to disease progression was 5.8 months. Trastuzumab plus gemcitabine was well tolerated. No cases of clinical congestive heart failure occurred. Grade 3/4 toxicities included asthenia in 4 patients, fever in 4, neutropenia in 18, dyspnea in 6, abdominal or back pain in 3, and edema and nausea in 1 patient each. The combination of trastuzumab plus gemcitabine appears to be well tolerated and effective for patients with HER2-positive MBC previously treated with chemotherapy.

Adult↗
PubMed2005

Pegylated liposomal doxorubicin and cyclophosphamide as first-line therapy for patients with metastatic or recurrent breast cancer.

PURPOSE: Pegylated liposomal doxorubicin (PLD) is an active agent for breast cancer. The efficacy and safety of PLD in combination with cyclophosphamide as first-line treatment of metastatic breast cancer (MBC) was evaluated in this phase II study. PATIENTS AND METHODS: Eligible patients had metastatic or recurrent breast cancer with no previous chemotherapy for metastatic disease. Patients were enrolled into 3 sequential cohorts: cohort I (n = 10) received PLD 50 mg/m2 intravenously (I.V.) on day 1 and cyclophosphamide 100 mg/m2 orally on days 1-14 every 28-day cycle; cohort II (n = 20) received PLD 30 mg/m2 plus cyclophosphamide 600 mg/m2 I.V. on day 1 every 21 days; and cohort III (n = 21) received PLD 35 mg/m2 plus cyclophosphamide 600 mg/m2 I.V. on day 1 every 21 days. RESULTS: An objective response was exhibited in 26 of 51 patients (4 complete responses [CRs], 22 partial responses [PRs]; 51%) in the intent-to-treat population and responses were similar among cohorts. The clinical benefit rate (CR plus PR plus stable disease) was 86%. The median duration of response was 35.1 weeks. The most common adverse events were nausea (71%), asthenia (69%), and neutropenia (67%). There was less toxicity in cohort II than in other cohorts. No clinical cardiac toxicity was observed. Only 2 of 20 patients in cohort II (10%) required treatment discontinuation as a result of adverse events. CONCLUSION: First-line combination therapy with PLD and cyclophosphamide is active and well tolerated in patients with MBC. The recommended doses from this study are PLD 30 mg/m2 and cyclophosphamide 600 mg/m2 I.V. every 21 days.

Administration, Oral↗
PubMed2005

Docetaxel/gemcitabine administered every other week as first-line treatment for metastatic breast cancer: final results of a phase II trial.

BACKGROUND: The purpose of this study was to assess the toxicity and efficacy of the combination of docetaxel and gemcitabine every 2 weeks as first-line therapy in metastatic breast cancer. PATIENTS AND METHODS: We selected patients between the ages of 18 years and 70 years with a Karnofsky performance status of > or = 60 to receive docetaxel 65 mg/m(2) followed by gemcitabine 2500 mg/m(2) on day 1 every 14 days for 10 cycles. Patients could receive more cycles at the discretion of investigator. RESULTS: Of the 52 patients entered, 48 were evaluable for efficacy and toxicity. The overall response rate was 75% (95% confidence interval, 60%-86%), with 8 patients (17%) exhibiting a complete response. The median time to progression was 10.7 months, and the median survival was 32.2 months. The predominant grade 3/4 hematologic toxicity was neutropenia (44% of patients), and the predominant grade 3/4 nonhematologic toxicity was asthenia (15% of patients). Other grade 3/4 toxicities, such as anemia, nausea/vomiting, and diarrhea, were present but infrequent (< or = 10% of patients). The relative dose intensities of both drugs were > 88%. CONCLUSION: The combination of docetaxel/gemcitabine once every 2 weeks is active and well tolerated in patients with untreated advanced breast carcinoma. This chemotherapy regimen might be useful in advanced breast cancer when anthracycline combinations are not preferred, such as cases previously treated with adjuvant anthracycline chemotherapy.

Adult↗
PubMed2006

Capecitabine/vinorelbine: an effective and well-tolerated regimen for women with pretreated advanced-stage breast cancer.

BACKGROUND: The combination of capecitabine and vinorelbine is a potentially valuable treatment regimen for patients with advanced-stage breast cancer. The drugs are easy to administer and do not cause significant alopecia. In order to identify the spectrum of toxicity of a regimen containing 2 drugs, we conducted an extended phase I study aimed at defining maximum tolerated doses, recommended doses, safety, and efficacy in patients with pretreated advanced-stage breast cancer. PATIENTS AND METHODS: Forty-nine patients with advanced-stage breast cancer were treated with escalating doses of oral capecitabine from 500 mg/m2 to 1375 mg/m2 twice daily on days 1-14 and escalating doses of vinorelbine from 12.5 mg/m2 to 25 mg/m2 intravenously (I.V.) on days 1 and 3 every 3 weeks. Almost all patients (90%) had received >or= 3 previous treatments for metastatic disease (anthracyclines, 76%; 5-flourouracil, 76%; taxanes, 29%). RESULTS: Dose level 9 (capecitabine 1250 mg/m2 twice daily on days 1-14 and vinorelbine 22.5 mg/m2 I.V. on days 1 and 3) was identified as the maximum tolerated dose. The most frequent clinical adverse events were nausea (78%), asthenia (59%), constipation (51%), mucositis (47%), and hand-foot syndrome (41%). The majority of events were mild to moderate; the only grade 4 clinical adverse events were diarrhea, fever, and thromboembolism, each of which occurred in 1 patient (2%) at dose level 8. Objective confirmed responses were observed in 18 patients (37%), including 1 complete response (2%) and 17 partial responses (35%). Disease was stable in an additional 10 patients (20%), with a median duration of 6.3 months (range, 4-24 months). CONCLUSION: The combination of the 2 drugs is very well tolerated and effective, especially considering the previous exposure to chemotherapy. The recommended dose for further phase II studies should be capecitabine 1250 mg/m2 twice daily on days 1-14 and vinorelbine 22.5 mg/m2 I.V. on days 1 and 3.

Adult↗
PubMed2006

Phase II study of weekly docetaxel and capecitabine in patients with metastatic breast cancer.

PURPOSE: This phase II study evaluated the safety and efficacy of weekly docetaxel and capecitabine in patients with metastatic breast cancer. PATIENTS AND METHODS: Thirty-nine patients with metastatic breast cancer received 30 mg/m2 of docetaxel on days 1, 8, and 15 in combination with capecitabine 800 mg/m2 twice daily on days 1-21, repeated every 28 days. RESULTS: The median number of treatment cycles was 4 (range, 1-20 cycles). Grade 3 toxicities per patient were asthenia (n = 7; 18%), diarrhea (n = 7; 18%), nausea/vomiting (n = 5; 13%), stomatitis (n = 5; 13%), neutropenia (n = 5; 13%), and hand-foot syndrome (n = 4; 10%). There were only 2 grade 4 toxicities, febrile neutropenia and pulmonary embolism. The overall response rate was 44% (95% confidence interval (CI), 28%-60%), median duration of response was 9.1 months (95% CI, 6.2-12 months), and median time to progression was 5.5 months (95% CI, 3.7-7.3 months). CONCLUSION: Weekly docetaxel with capecitabine was active with acceptable toxicities. Additional trials to define the optimal schedule of docetaxel and capecitabine are justified.

Adult↗
PubMed2005

FOLFOX alternated with FOLFIRI as first-line chemotherapy for metastatic colorectal cancer.

BACKGROUND: 5-fluorouracil (5-FU), irinotecan, and oxaliplatin are the most active drugs in advanced colorectal cancer (CRC), and survival is improved with patient exposure to all of them. The efficacy and safety of an alternating schedule of continuous-infusion 5-FU with leucovorin (LV) plus oxaliplatin (ie, FOLFOX regimen) or irinotecan (ie, FOLFIRI regimen) was assessed in the first-line setting. PATIENTS AND METHODS: Seventy-nine patients with previously untreated, unresectable CRC were included. Treatment consisted of 5-FU/LV (de Gramont schedule) plus oxaliplatin (85 mg/m2) alternated biweekly with the same 5-FU/LV regimen plus irinotecan (180 mg/m2). Treatment was maintained until tumor progression or unacceptable toxicity was noted. RESULTS: Median age was 62 years. Performance status was 0/1 in 91% of patients, 63% had 1 organ involved, and 80% had liver metastases. A median of 6 courses per patient (range, 1-9) and a total of 952 infusions were given. The most frequent grade 3/4 toxic events were neutropenia (32%), diarrhea (26%), and asthenia (7%). Grade 1/2 neurotoxicity was seen in 59% of cases, but no grade 3/4 neurotoxicity was observed. There were no toxic deaths. An objective response rate of 54% (4 complete responses plus 39 partial responses) was attained. Median time to progression and overall survival were 13 months and 18 months, respectively. CONCLUSION: This alternating schedule is active, with efficacy results similar to those seen with sequential protocols, the advantages of less toxicity, and 100% patient exposure to irinotecan and oxaliplatin.

Adenocarcinoma↗
PubMed2006

Efficacy and safety of cetuximab/irinotecan in chemotherapy-refractory metastatic colorectal adenocarcinomas: a clinical practice setting, multicenter experience.

BACKGROUND: This study was designed to evaluate the efficacy and safety of irinotecan/cetuximab administered as third- or fourth-line therapy in a retrospective series of patients with metastatic colorectal cancer refractory to oxaliplatin and irinotecan. PATIENTS AND METHODS: Most patients (90%) had been previously treated with adjuvant 5-fluorouracil/leucovorin, and all had received oxaliplatin-based regimens before receiving irinotecan-based second-line treatment. Sixty patients with irinotecan-refractory colorectal cancer received a regimen comprising weekly irinotecan 120 mg/m2 as a 1-hour intravenous infusion and cetuximab 400 mg/m2 infused over 2 hours as the initial dose and 250 mg/m2 infused over 1 hour for the subsequent administrations. A single treatment cycle comprised 4 weekly infusions followed by 2 weeks of rest. RESULTS: According to an intent-to-treat analysis, a partial response was exhibited in 12 of 60 enrolled patients (20%; 95% confidence interval, 11%-32%) with a median duration of 5.1 months (range, 3-7.4 months). The tumor growth control rate was 50% (95% confidence interval, 37%-63%). Objective responses did not correlate with performance status, number of sites of disease, and pretreatments or epidermal growth factor receptor status. The median progression-free survival was 3.1 months (range, 1.2-9 months), whereas median overall survival was 6 months (range, 2-13 months). Both survival parameters correlated with performance status at the beginning of treatment. The main grade 3/4 toxicities were nausea (33%), diarrhea (27%), leukopenia (18%), asthenia (13%), and acne-like reaction (13%). CONCLUSION: Our data suggest that the weekly irinotecan/cetuximab regimen is feasible in an outpatient setting and tolerated by most patients. At present, combinations of chemotherapy with cetuximab are being evaluated in patients with earlier-stage disease in a number of ongoing studies.

Adenocarcinoma↗
PubMed2004

Phase II randomized trial of weekly paclitaxel with or without estramustine phosphate in progressive, metastatic, hormone-refractory prostate cancer.

This study was conducted to determine the similarity of response rates and safety produced by weekly paclitaxel with or without oral estramustine in patients with metastatic hormone-refractory prostate cancer. Between December 1998 and December 1999, 163 patients were randomized to receive 28-day cycles of paclitaxel 100 mg/m2 on days 2, 9, and 16 plus estramustine 280 mg orally 3 times a day on days 1-3, 8-10, and 15-17, or to receive paclitaxel 100 mg/m2 alone on days 1, 8, and 15. Objective response was defined as a > oe = 50% decrease in prostate-specific antigen (PSA) maintained for 4 weeks with stable or improved performance status. Response rates included 37 partial responses for paclitaxel/estramustine (47%) and 22 partial responses for paclitaxel (27%; P < 0.01). Median duration of response was 15.1 months for paclitaxel/estramustine and 15.5 months for paclitaxel; median survival was 16.1 months and 13.1 months, respectively (P = 0.049). Common toxicities for both treatments included neutropenia, gastrointestinal events, neuropathy, and asthenia. Thromboembolic events were more frequent in the paclitaxel/estramustine arm (no prophylactic anticoagulants). The rate of PSA decline for paclitaxel/estramustine was almost 2 times that of paclitaxel (47% vs. 27%), with acceptable toxicity. Multivariate analysis of prognostic factors affecting survival was not significant for treatment arm (P = 0.08). Although the incidence of thromboembolic events appeared to be increased in the paclitaxel/ estramustine arm, the addition of estramustine was responsible for a 20% increase in the rate of PSA decline. Neither treatment arm had significant impact on quality of life as measured by the Functional Assessment of Cancer Therapy-Prostate quality of life questionnaire. This study produced encouraging data; further studies of paclitaxel/ estramustine are recommended.

Aged↗
PubMed1999

Docetaxel and cisplatin in patients with advanced non small-cell lung cancer (NSCLC): a multicenter phase II trial.

We examined the safety and efficacy of the docetaxel/cisplatin combination in patients with advanced, previously untreated NSCLC and evaluated changes in quality of life over time. Docetaxel was administered before cisplatin (both 75 mg/m2, 1-hour infusions) every 3 weeks to 47 patients with stage IIIB or stage IV NSCLC. Patients also received premedication of oral dexamethasone. The median age (range) of patients was 62 (45-78) years and 26 patients (55.3%) had adenocarcinoma. Of the 40 patients evaluable for response, one achieved a complete response and 14 had partial responses; the response rate was 37.5% (95% confidence intervals; 22.5, 52.5). In the intent-to-treat population the overall response rate was 31.9%. Time to response ranged from 3 to 20 weeks, and the median duration of response was 34.6 weeks. Median survival and median time to progression were 11.3 months and 18.9 weeks, respectively. One-year survival was 40%. Grade 3 or 4 neutropenia and febrile neutropenia were observed in 74.4% and 12.8% of patients, respectively. Severe asthenia was seen in 14.9% of patients. Other grade 3 or 4 toxicities included nausea (eight patients), vomiting (five), neurosensory effects (six), neuromotor effects (five), diarrhea (four), and infection (three). There was an improvement in emotional well-being; however, the overall quality of life score did not change with treatment. Docetaxel administered in combination with cisplatin is an active regimen in patients with NSCLC. This regimen of docetaxel (75 mg/m2) and cisplatin (75 mg/m2) repeated at 3-week intervals is being evaluated in an ongoing Eastern Cooperative Oncology Group (ECOG) randomized study in patients with advanced and metastatic NSCLC.

Journal Article↗
PubMed2000

The role of gemcitabine and paclitaxel as second-line chemotherapy for the treatment of advanced non small-cell lung cancer (NSCLC).

Second-line chemotherapy with the newer active anticancer drugs like docetaxel may confer some benefit in patients with non small-cell lung cancer (NSCLC) who failed front-line treatment with cisplatin-contain-ing chemotherapy regimens. However, young patients with good performance status need further efforts for palliation and, probably, survival prolongation. Phase II trials have shown that gemcitabine, a new nucleoside analogue, is effective as second-line treatment with a 7%-25% objective response and a 22- to 33-week median survival in patients with NSCLC. Paclitaxel also seems to be active as second-line treatment with a 3%-38% objective response and 17- to 40-week median survival. The antitumor activity of second-line paclitaxel seems to be dose related. The combination of gemcitabine (900 mg/m2 on days 1 and 8) and paclitaxel (175 mg/m2 on day 8) every 3 weeks was administered in 49 patients pretreated with cisplatin- and/or docetaxel-based chemotherapy. Objective responses were observed in 18% (95% confidence interval: 4%-24%) of the patients (one complete response and eight partial responses); three of the responses were observed in patients who failed to respond to front-line chemotherapy. The median survival was 44 weeks. The toxicity profile of the regimen was mild with grade 3/4 neutropenia and thrombocytopenia occurring in 12% and 2% of the patients, respectively. There was only one episode of neutropenic fever. Grade 2 and 3 neurotoxicity occurred in 24% and 8% of the patients, respectively, and 51% of the patients reported grade 2 and 3 asthenia. In conclusion, the combination of gemcitabine/paclitaxel is an effective and well-tolerated second-line chemotherapy regimen which can be given on an outpatient basis.

Journal Article↗
PubMed2000

Docetaxel and gemcitabine combinations in chemotherapy-pretreated non small-cell lung cancer.

Both docetaxel and gemcitabine are active against chemotherapy-pretreated non small-cell lung cancer (NSCLC). We previously demonstrated that weekly gemcitabine can be safely combined with monthly docetaxel with promising antineoplastic activity. In a recently completed phase II trial, 38 NSCLC patients failing upfront chemotherapy were treated with gemcitabine 800 mg/m2 on days 1, 8, and 15 and docetaxel 100 mg/m2 on day 1 every 4 weeks. The intent-to-treat response rate was 33% (95% CI: 19%-55%), with one complete and 11 confirmed partial responses. Responses were seen at all disease sites and in 31% of patients refractory to front-line chemotherapy. The median time to disease progression for the responders was 8 months, and two have remained progression-free for longer than a year. Hematological toxicities included grade 4 neutropenia in half of patients, febrile neutropenia in 10%, and grade 3-4 thrombocytopenia in 25%. The most prominent nonhematological toxicity was asthenia. We conclude that this doublet is active and safe, producing durable responses at all disease sites and in patients with platinum-refractory NSCLC.

Journal Article↗
PubMed2001

Placebo-controlled trial of bexarotene, a retinoid x receptor agonist, as maintenance therapy for patients treated with chemotherapy for advanced non-small-cell lung cancer.

This study was designed as a multicenter, randomized, double-blind, placebo-controlled trial. Patients were randomized by center to placebo (16 patients, 31%), oral bexarotene 300 mg/m2/day (21 patients, 40%), or oral bexarotene 600 mg/m2/day (15 patients, 29%) following demonstration of stable or responsive disease after first-line chemotherapy. The study was prematurely terminated because of slow accrual after 54 patients enrolled. Median time to progression (TTP) from the beginning of study drug treatment was 56 days for placebo, 82 days for moderate-dose bexarotene (300 mg/m2/day), and 128 days for high-dose bexarotene (600 mg/m2/day) (P = 0.56, log-rank test). For prior chemotherapy responders only, median TTP from the beginning of study drug treatment was 56 days for placebo, 146 days for moderate-dose bexarotene, and 177 days for high-dose bexarotene. Of note, there were more chemotherapy responders randomized to the placebo group (63%) than the bexarotene treatment arms (48% and 47%), further supporting a bexarotene-related improvement in TTP. Bexarotene-related toxicity was manageable and consisted primarily of elevated serum triglycerides and asthenia, skin toxicity (dryness, peeling, flaking), thyroid dysfunction, and headache. Because this study was closed prematurely, it does not have the statistical power to detect differences among the treatment groups. This study shows that patients can tolerate bexarotene at initial doses up to 600 mg/m2/day after platinum-based chemotherapy and that bexarotene may have the potential to delay disease progression in patients with advanced non-small-cell lung cancer with previously stable or responsive disease following platinum-based chemotherapy.

Clinical Trial↗
PubMed2001

Irinotecan and taxane combinations for non small-cell lung cancer.

Based on nonoverlapping toxicity profiles and at least additive cytotoxicity in preclinical models, chemo-therapy regimens have been developed that feature the combination of irinotecan and a taxane drug. In the first study, the optimal doses of paclitaxel and irinotecan were 75 mg/m2 and 50 mg/m2, respectively, when chemotherapy was administered weekly for 4 consecutive weeks, followed by a 2-week rest. The dose-limit-ing toxicity for this regimen was neutropenia, and the most prominent nonhematologic toxicities were mild diarrhea and fatigue. Pharmacokinetic studies failed to demonstrate any sequence-dependent interaction be-tween these agents on the metabolism of irinotecan or its major metabolite. This regimen has been modified, with chemotherapy given on day 1 and day 8 every 3 weeks, and is being tested further in previously un-treated advanced non small-cell lung cancer (NSCLC). In a second trial, irinotecan was combined with docetaxel on a weekly schedule. When chemotherapy was given weekly for 4 weeks, followed by a 2-week rest, the recommended doses of docetaxel and irinotecan were 35 mg/m2 and 50 mg/m2, respectively. Low-grade gastrointestinal toxicity and asthenia were the dose-limiting toxicities. The treatment schedule was modified, with chemotherapy given on days 1 and 8 of a 21-day cycle, and patients are currently being treated with docetaxel 35 mg/m2 and irinotecan 65 mg/m2. Among the 10 evaluable patients with NSCLC in this second study, there was one partial response lasting 24 weeks and four patients with stable disease, including one patient who had progressive disease on a prior paclitaxel-containing regimen. The combinations of irinotecan and a taxane on a weekly schedule are active and well tolerated and deserve further evaluation in the treatment of NSCLC.

Journal Article↗
PubMed2005

Tirapazamine with cisplatin and vinorelbine in patients with advanced non-small-cell lung cancer: a phase I/II study.

This phase I/II study was conducted to evaluate the safety and efficacy of tirapazamine in combination with cisplatin and vinorelbine for patients with advanced-stage IIIB/IV chemonaive non-small-cell lung cancer. Seventy patients with a Karnofsky performance status of > or = 60% were included. In the phase I part of the study, 21 patients were treated on day 1 with tirapazamine (escalating doses of 260, 330, or 390 mg/m(2)), cisplatin (75 or 100 mg/m(2)), and vinorelbine (25 or 30 mg/m(2)) for a maximum of 6 cycles every 4 weeks. Vinorelbine was repeated every week. In the phase II part of the study, 49 patients were treated on day 1 with tirapazamine 390 mg/m(2), cisplatin 100 mg/m(2), and vinorelbine 30 mg/m(2). The maximum tolerated dose was not reached. Muscle cramps, vomiting, nausea, tinnitus, neutropenia, and diarrhea were the most frequently reported adverse events in the phase I part of the study. Most of these events were grade 1 or 2. In the phase II part of the study, response rate was 47%, and median survival was 50 weeks. The most frequently reported adverse event was neutropenia. Asthenia, fever, anemia, vomiting, weight decrease, nausea, and muscle cramps were also noted. For patients treated at the maximum dose, dose reductions occurred 14% of tirapazamine cycles and in 4% of cisplatin cycles. The median number of cycles was 3. This regimen has a manageable toxicity profile. Response rate and median survival suggest that this combination might be more active than the cisplatin/vinorelbine combination. This triplet is currently being evaluated in a phase III study.

Adult↗
PubMed2005

Sequential versus alternating administration of cisplatin/etoposide and topotecan as first-line treatment in extensive-stage small-cell lung cancer: preliminary results of a Phase III Trial of the Hellenic Oncology Research Group.

BACKGROUND: This trial was designed to compare the efficacy and toxicity of sequential versus alternating administration of cisplatin/etoposide and topotecan in patients with previously untreated extensive-stage small-cell lung cancer (SCLC). PATIENTS AND METHODS: Two hundred eighty-four chemotherapy-naive patients were randomized between the sequential therapy arm (n=142; 4 cycles of cisplatin 75 mg/m2 intravenously [I.V.] on day 1 with etoposide 100 mg/m2 per day I.V. on days 1-3 followed by 4 cycles of topotecan 1.5 mg/m2 per day I.V. on days 1-5) and the alternating arm (n=142; same doses of cisplatin/etoposide on cycles 1, 3, 5, and 7 and topotecan on cycles 2, 4, 6, and 8). Treatment cycles for both regimens were administered every 3 weeks. RESULTS: At this preliminary analysis, no statistically significant difference in the overall response rate, duration of response, time to disease progression, or median survival was observed between the 2 arms. A total of 756 cycles of the sequential therapy and 830 cycles of the alternating therapy were administered, with a median numbers of 6 and 7 cycles per patient, respectively. Topotecan was administered in 85 patients on the sequential arm and 132 patients on the alternating arm. Dose reductions for toxicity were similar in both arms. Grade 3/4 toxicities in the sequential and alternating arms, respectively, included neutropenia (51% and 52%; P=NS), anemia (12% and 11%; P=NS), febrile neutropenia (7% and 9%; P=NS), thrombocytopenia (19% and 20%; P=NS), and asthenia (8% and 2%; P=0.02). There were 4 toxicity-related deaths in the sequential arm versus 3 in the alternating arm. CONCLUSION: Our preliminary conclusion is that the sequential and alternating regimens resulted in comparable activity and tolerability in previously untreated patients with extensive-stage SCLC.

Adult↗
PubMed2006

Second-line chemotherapy with a modified schedule of docetaxel in elderly patients with advanced-stage non-small-cell lung cancer.

PURPOSE: In patients with advanced-stage non-small-cell lung cancer (NSCLC) pretreated with chemotherapy, docetaxel 75 mg/m2 every 3 weeks prolongs survival compared with best supportive care alone or chemotherapy with ifosfamide or vinorelbine. Neutropenia is the dose-limiting toxicity of this schedule, and thus limits its use in elderly patients. Therefore, we studied a modified schedule of docetaxel in order to reduce the toxicity of this regimen and to improve the compliance to treatment in an elderly population, while maintaining the same dose intensity of the original regimen. PATIENTS AND METHODS: Thirty-three elderly patients (aged > or = 70 years) with advanced-stage NSCLC, Eastern Cooperative Oncology Group performance status 0-2, and a median age of 74 years (range, 70-83 years) who had progressed after 1 line of chemotherapy were treated with docetaxel 37.5 mg/m2 on days 1 and 8 every 3 weeks for a maximum of 6 courses. RESULTS: Seven of 33 patients (21.2%; 95% confidence interval, 8.98%-38.91%) exhibited a partial response (according to the intent-to-treat analysis), 12 patients (36.3%) exhibited stable disease, and 14 patients (42.4%) exhibited progression. Grade 3 (National Cancer Institute Common Toxicity Criteria) neutropenia and anemia were observed in 9% and 3% of patients, respectively. The main nonhematologic toxicity consisted of grade 3 nausea/vomiting, diarrhea, and asthenia in 6% of patients each, and grade 3 nail toxicity in 3% of patients. CONCLUSION: Our modified schedule of docetaxel is an active and well-tolerated second-line treatment in elderly patients with advanced-stage NSCLC and has a favorable toxicity profile.

Adenocarcinoma↗