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PubMed1982

Vincristine, doxorubicin, and cyclophosphamide versus low-dose intravenous cyclophosphamide, methotrexate, and 5-fluorouracil in advanced breast cancer: a randomized trial of the Piedmont Oncology Association.

Eighty-one evaluable patients with recurrent or metastatic breast cancer were randomized to receive either vincristine 1 mg/m2, doxorubicin 40 mg/m2 on day one and cyclophosphamide 200 mg/m2 orally days 3-6 (VAC); or cyclophosphamide 350 mg/m2, methotrexate 20 mg/m2, and 5-fluorouracil 350 mg/m2 (CMF) intravenously, all on day 1. Courses of each of the above regimens were repeated every three weeks. Twenty-one of 45 patients (47%) on VAC and seven of 44 patients (16%) on CMF had complete or partial response (P less than 0.05). The duration of response was six months for CMF and nine months for VAC. Hematologic toxicity was minimal for both groups but three patients receiving VAC developed cardiac toxicity. Overall survival projections at this time indicate no differences between the VAC or CMF treated patients.

Antineoplastic Agents↗

PubMed1984

High-dose cyclophosphamide and 5-fluorouracil versus vincristine, doxorubicin, and cyclophosphamide in advanced carcinoma of the breast. A phase III study of the Piedmont Oncology Association (POA).

Forty-nine patients with advanced carcinoma of the breast who had received no prior chemotherapy were randomized to receive either high-dose cyclophosphamide (C) 1250 mg/M2 intravenously on day 1 and 5-fluorouracil (F) 600 mg/M2 intravenously on days 1 through 5 (CF), or vincristine (V) 1.5 mg/M2, doxorubicin (A) 50 mg/M2 and cyclophosphamide (C) 500 mg/M2 (VAC), all intravenously on day 1. Both regimens were repeated at 3-week intervals. Nine of 25 patients (36%) treated with CF and ten of 21 patients (48%) treated with VAC showed a complete or partial response as defined by the (UICC) guidelines. The estimated median time to progression for all patients was 3.5 months for CF and 6.0 months for VAC, with the median time to progression for responding patients being 8.5 months on CF and 6.3 months on VAC. Estimated survival is also similar for the two regimens. Ten of the patients treated with high-dose CF experienced septic episodes and four died. Toxicity on the CF arm necessitated premature closure of the study, and thus full statistical comparison of the efficacy of the two regimens cannot be made.

Antineoplastic Combined Chemotherapy Protocols↗

PubMed1994

Intermediate-grade lymphomas treated with cyclophosphamide-doxorubicin- vincristine-prednisone-bleomycin alternated with cyclophosphamide-methotrexate-etoposide-dexamethasone. Application of prognostic models to data analysis.

BACKGROUND: Numerous treatment strategies have been tried with the aim of improving results for patients with intermediate-grade lymphomas (IGL) over those achieved with cyclophosphamide, doxorubicin, vincristine, prednisone, and bleomycin (CHOP-Bleo), and numerous prognostic models have been developed to identify and separate risk groups. This study reports on a new protocol for Ann Arbor Stages II-IV IGL that consists of CHOP-Bleo alternated with a new regimen of cyclophosphamide, methotrexate, etoposide, and dexamethasone (CMED) and radiation therapy and demonstrates the usefulness of prognostic models for identifying risk groups and comparing treatment programs. METHODS: One hundred seventy patients with Ann Arbor Stages II-IV IGL were treated with alternating cycles of CHOP-Bleo and CMED for a total of 12 cycles. Involved field radiation therapy was interspersed with courses of chemotherapy for patients with Stage II and Stage III disease. Results were analyzed and compared with those of the authors' previous study of CHOP-Bleo and radiation therapy using the Ann Arbor staging system, their earlier prognostic model, and the recently published International Index. RESULTS: A complete remission occurred in 78% of the patients. The overall 5-year survival rate was 67%. Survival was better for patients with Ann Arbor Stage II disease (80%) than for those with Stage III or Stage IV (67% and 58%, respectively). High tumor burden, above-normal levels of serum lactic dehydrogenase, serum beta 2-microglobulin, and Ann Arbor Stage IV disease were adverse factors. The International Index and the authors' earlier prognostic model separated four prognostic groups. CHOP-Bleo/CMED was generally well tolerated. Neutropenic fever was the major complication that occurred in 25 patients during treatment. Six of these patients died of sepsis. CONCLUSIONS: This study demonstrated that CHOP-Bleo/CMED is a well-tolerated regimen that produced better results than those reported for a former study that used CHOP-Bleo alone. Further, results for CHOP-Bleo/CMED compared favorably with those of other second- and third-generation regimens. The study also validated the usefulness of prognostic models and, in particular, the new International Index for identifying risk groups.

Adolescent↗

PubMed2026

Chemotherapy-Induced Nausea and Vomiting in Early Breast Cancer Patients Receiving Adjuvant Chemotherapy With Fluorouracil, Epirubicin, Cyclophosphamide Followed by Docetaxel Versus an Anthracycline-Free Regimen With Docetaxel, Cyclophosphamide-Results From a Randomized Clinical Trial.

Chemotherapy-induced nausea and vomiting (CINV) remains an important side effect despite new antiemetic drugs. This study tried to understand the occurrence of CINV in patients receiving two different chemotherapy regimens. As part of the randomized controlled clinical trial SUCCESS C (NCT00847444), 1582 of the 3463 patients completed CINV diaries. Patients were randomized to receive either chemotherapy with FEC (5-fluorouracil, epirubicin, cyclophosphamide followed by docetaxel) or TC (docetaxel, cyclophosphamide). CINV was evaluated hourly using a specially designed questionnaire. Endpoints of the study were complete response (no emesis) and total control (no nausea and no emesis) and were assessed with Kaplan-Meier curves and Cox regression analyses over three chemotherapy cycles. Eight hundred fourteen patients received FEC and 768 received TC; patients and tumor characteristics were similar in both groups. Patients receiving FEC had significantly more nausea and vomiting, with the main difference in the first 12 h. In the first cycle, the 0-12-h nausea/emesis-free rates were 70%/41% for FEC and 91/76% for TC. By 24 h after chemotherapy, the rates were 65%/33% (FEC) and 85%/60% (TC). The differences were similar in cycles 2 and 3. The detailed analysis of CINV in the study is unique and paves the way for modern CINV analysis of new therapeutics such as antibody-drug conjugates.

Adult↗

PubMed1985

A randomized multicenter trial of cyclophosphamide, Novantrone and 5-fluorouracil (CNF) versus cyclophosphamide, Adriamycin and 5-fluorouracil (CAF) in patients with metastatic breast cancer.

As of August 1984, 115 women with advanced breast cancer have been randomized to receive a combination of either cyclophosphamide, Novantrone (mitoxantrone) and 5-fluorouracil (CNF) or cyclophosphamide, Adriamycin (doxorubicin) and 5-fluorouracil (CAF). Seventy-one percent of all patients were post-menopausal and 44% of CNF patients and 57% of CAF patients were estrogen receptor (ER) negative. Slightly over 30% of all patients had received hormonal therapy or chemotherapy in an adjuvant setting. Hematologic toxicity was similar in regard to platelet counts but slightly lower nadirs were experienced with CNF therapy than with CAF. However, there were fewer dosage decreases with CNF. Significantly less nausea and vomiting were observed with the CNF regimen compared to CAF. Moreover, alopecia was reduced appreciably in patients who received CNF. The response rate to CNF for the first 38 eligible and evaluable patients was 42%, and for 53 eligible and evaluable patients who received CAF the response rate was 45%, a non-significant difference. Median response durations were similar also, 140 days for CNF and 168 days for the CAF regimen. Time to treatment failure was similar for both regimens. CNF is an effective regimen for patients with advanced breast cancer, with less toxicity than CAF.

Adult↗

PubMed1984

CAP (cyclophosphamide, adriamycin, platinum) vs CMFVP (cyclophosphamide, methotrexate, 5-fluorouracil, vincristine, prednisolone) combination chemotherapy in untreated metastatic breast cancer. A preliminary report of a controlled clinical study.

The prospective controlled phase III clinical trial compared the therapeutic value of the cis-platinum - adriamycin - cyclophosphamide combination (CAP) and that of the combination of cyclophosphamide, methotrexate, 5-fluorouracil, vincristine, and prednisolone (CMFVP) in untreated metastatic breast cancer. Seventy-two patients (greater than 2 cycles) were evaluated: 36 had received CAP and 36, CMFVP. An objective response (CR + PR) to CAP combination chemotherapy was achieved in 75% of patients (27 of 36), with a high rate (42%) of complete remissions. In terms of metastatic site, the response rate appeared to be particularly high in soft tissue and visceral organ (lung, liver) metastases. In the CMFVP group, an objective response was noted in 16 of 36 patients (44%) with 19% complete remissions. Overall therapeutic response and the complete remission rate were better with CAP regimen (statistically significant; P less than 0.01). The duration of remissions was 4-16+ months (M = 12) for CAP and 2-12+ months (M = 8) for CMFVP. Toxic side-effects were more pronounced in the CAP group, particularly myelosuppression, and anemia was prevalent. Side-effects of CMFVP treatment were mild. In 11 CMFVP-resistant cases CAP was administered as second-line treatment, and an objective response was observed in 45% of cases (5 of 11). The preliminary results of this controlled trial show the advantage of the CAP combination in the treatment of metastatic breast cancer.

Adult↗

PubMed1987

Phase III trial of the Japanese Urological Cancer Research Group for Adriamycin: cyclophosphamide, adriamycin and cisplatinum versus cyclophosphamide, adriamycin and 5-fluorouracil in patients with advanced transitional cell carcinoma of the urinary bladder.

A non-randomized clinical study on systemic combination chemotherapy was conducted by the Japanese Urological Cancer Research Group for Adriamycin to compare the effectiveness of CAP (cyclophosphamide 200-500 mg/m2, adriamycin 30-50 mg/m2 and cisplatin 30-50 mg/m2) and CAF (cyclophosphamide 200-500 mg/m2, adriamycin 30-50 mg/m2 and 5-fluorouracil 250 mg/m2) in 123 patients (104 evaluable) with advanced and/or metastatic cancer of the urinary bladder. Among 96 patients who were non-randomly selected to receive CAP, 4 achieved complete remission, 12 achieved partial remission, 7 achieved minor response, 30 had stable disease, and 43 had disease progression. The response in the 8 patients who received CAF were: partial remission in 1 and progressive disease in 7. The overall response rate to CAP therapy was 17%, as against 13% for CAF therapy. The median duration of survival with CAP was 29 weeks and with CAF, 22 weeks. The differences between the two groups in duration of survival and response rate were not statistically significant. Complete and/or partial remissions were observed in the lymph nodes, lung and liver in 32%, 24%, and 57% of cases, respectively. There was no objective response in bone metastasis. The main side effects of CAP were anorexia (88%), nausea and/or vomiting (81%), alopecia (65%), leukopenia (72%), anemia (48%), and renal dysfunction (17%). No patients died as a result of toxicity of these combination chemotherapy modalities.

Adult↗

PubMed1986

Urinary cyclophosphamide assay as a method for biological monitoring of occupational exposure to cyclophosphamide.

Urine of twenty hospital workers was monitored for the excretion of the cytostatic drug cyclophosphamide using GC-MSD. The drug was found to be present above the detection limit of 0.5 microgram/24 h urine in five cases. A clear relationship between cyclophosphamide handling and the detectability of excretion existed. This method developed can be of use for biological monitoring studies directed toward the finding of exposure hazards.

Adult↗

PubMed1983

A comparison of cyclophosphamide, adriamycin, and 5-fluorouracil (CAF) and cyclophosphamide, methotrexate, 5-fluorouracil, vincristine, and prednisone (CMFVP) in patients with advanced breast cancer.

The Southeastern Cancer Study Group, in a prospectively randomized study involving patients with advanced breast cancer, has compared a low dose intermittently administered five-drug regimen including cyclophosphamide, methotrexate, 5-fluorouracil, vincristine, and prednisone (CMFVP) with an aggressively administered three-drug regimen including cyclophosphamide, doxorubicin, and 5-fluorouracil (CAF). CAF induced more responses and more complete responses and a longer duration of disease control. However, only a marginal difference was demonstrated in overall survival between the two regimens (p = less than 0.10). Patients with a good risk pattern of metastases, i.e. those with nodular local chest wall recurrence, nodular pulmonary metastases, or bone-only metastases were more likely to achieve a response and survive longer than those with a poor risk pattern, i.e. lymphangitic pulmonary metastases, pleural effusion with chest wall ulceration, or widespread metastases, including hepatic. All of the differences between the two regimens were noted in the good risk pattern groups. CAF provided no additional benefit to patients presenting with poor risk patterns of metastases. Adriamycin-containing combinations may achieve a greater degree of tumor cell kill in certain subsets of patients with advanced breast cancer, but this provides only a marginal increase in survival.

Antineoplastic Agents↗

PubMed1991

Neoadjuvant chemotherapy with cyclophosphamide, doxorubicin and 5-fluorouracil (CAF) or cyclophosphamide, methotrexate and 5-fluorouracil (CMF) in 69 cases of locally advanced (stage IIIb) breast cancer.

Sixty nine patients with a median age of 45 years, 62.3 per cent of whom were premenopausal, with locally advanced breast cancer (T 4, N 0-3, M 0; Stage IIIb) were treated with 3 cycles of either neoadjuvant cyclophosphamide, doxorubicin and 5-fluorouracil, being the CAF group: 36 patients, or cyclophosphamide, methotrexate and 5-fluorouracil, being the CMF group: 33 patients. Patients achieving complete response or with residual disease of less than 2 cm in diameter received radical radiotherapy while those with more residual disease underwent radical mastectomy. Nine cycles of adjuvant chemotherapy were administered. Complete responses and disease control by radiotherapy with complete breast preservation were more frequently observed after CAF than CMF, being 25 per cent vs 3 per cent (p = 0.025) and 48.5 per cent vs 12 per cent (p = 0.002), respectively. Overall response rates, adverse effects, disease control following radiotherapy/surgery, local relapses and metastases were similar for both regimes. Relapsing patients were young, with a median age of 38 years, 68.4 per cent of relapses occurred at metastatic sites and 42 per cent of relapses occurred during adjuvant chemotherapy. This study suggests that in locally advanced breast cancer, a greater proportion of patients can be rendered disease free after neoadjuvant CAF and radiotherapy compared to neoadjuvant CMF and radiotherapy.

Antineoplastic Combined Chemotherapy Protocols↗

PubMed1988

Hormone-refractory metastatic prostatic cancer treated with methotrexate, cyclophosphamide plus adriamycin, cis-platinum plus 5-fluorouracil plus cyclophosphamide. National Prostatic Cancer Project randomized trial.

From 1982 to 1985, the National Prostatic Cancer Treatment Group conducted a randomized prospective trial of single-agent or combination chemotherapy in 180 patients with metastatic prostatic disease refractory to hormonal therapy. All three of the treatment regimens, methotrexate, Adriamycin plus cyclophosphamide, cis-platinum plus 5-fluorouracil plus cyclophosphamide, showed similar survival and progression-free survival intervals. Future studies utilizing these or other agents, in similar or modified dosage schedules or delivery mechanisms, should note these results. Protocols designed to address subjective quality of life measures and other benefit ratios can be effectively employed considering this report.

Acid Phosphatase↗

PubMed1992

Long-term results of a randomized trial comparing cisplatin with cisplatin and cyclophosphamide with cisplatin, cyclophosphamide, and adriamycin in advanced ovarian cancer. GICOG (Gruppo Interregionale Cooperativo Oncologico Ginecologia), Italy.

We report the long-term results of a randomized trial comparing cisplatin (P) with cisplatin and cyclophosphamide (CP) with cisplatin, cyclophosphamide, and adriamycin (CAP) in advanced ovarian cancer. Overall, this update confirms previously published data on 529 cases. Median survival times for the three treatments--CAP, CP, and P--are, respectively, 23, 20, and 19 months. The differences among the three arms are still nonsignificant and the estimated percentage survival at 7 years and confidence limits are, respectively, 21.7 (14.9-28.4), 17.0 (11.0-22.9), and 12.2 (6.9-17.4). According to the results of the Cox regression model on prognostic factors, higher grading, a larger residual tumor size, and performance status less than 80 (Karnovsky) all were independently associated with a poorer outcome, while a serous histotype was related to a better prognosis. The other variables (age, stage, center, type of surgery) initially included in the model did not appear to be significantly related to prognosis. The implications of these long-terms results relative to the application of combination chemotherapy with CAP or CP are discussed.

Antineoplastic Combined Chemotherapy Protocols↗

PubMed1991

A comparison of hexamethylmelamine (altretamine), cyclophosphamide, doxorubicin, and cisplatin (H-CAP) vs. cyclophosphamide, doxorubicin, and cisplatin (CAP) in advanced ovarian cancer.

We retrospectively compared the results of treatment with hexamethylmelamine (HMM), cyclophosphamide, doxorubicin, and cisplatin (H-CAP) to treatment results using cyclophosphamide, doxorubicin, and cisplatin (CAP) in patients with advanced ovarian cancer. The treatments were identical in dosage and schedule with the exception of the addition of HMM to one regimen. Fifty-five patients treated with H-CAP between August 1977 and March 1980 were compared with a subsequent group of 22 patients who received CAP between October 1984 and October 1987. Following 6 months of therapy, patients were restaged either with second-look laparotomy or with clinical restaging. Fifty-three of 55 patients (96%) and 14/21 (67%) patients had objective responses to H-CAP and CAP respectively (p = 0.001). The pathologic complete response rate as determined by second-look laparotomy was higher in the patients who received H-CAP (35% vs. 19%). The median survival of patients receiving H-CAP is 47 months compared to 21 months for the CAP patients. In limited residual disease patients (maximum tumor diameter less than or equal to 3 cm), the median survival also favored the H-CAP treatment (101 months vs. 21 months, p = 0.002). The median time to progression was greater in patients receiving H-CAP vs. those receiving CAP (67 months vs. 16 months, p = 0.045). Treatment-related toxicity was similar for the two regimens. These findings suggest that the addition of HMM to CAP chemotherapy prolongs the median survival for patients with limited residual disease advanced ovarian cancer.

Altretamine↗

PubMed1995

Pulmonary complications of bone marrow transplantation: a comparison of total body irradiation and cyclophosphamide to busulfan and cyclophosphamide.

PURPOSE: To retrospectively compare the acute and long-term pulmonary toxicities of total body irradiation and busulfan in bone marrow transplantation. METHODS AND MATERIALS: From March 1984 through February 1991, 144 patients received high-dose therapy with cyclophosphamide plus either total body irradiation (TBI-CY) or busulfan (BU-CY) followed by bone marrow rescue. Treatment protocols were based on disease type. Cyclophosphamide dose was 120-200 mg/kg, given in 2-4 days. Total body irradiation was given as 12 Gy in four fractions over 4 days, or 14.4 Gy in eight fractions over 4 days. Busulfan dose was 16 mg/kg given over 4 days. RESULTS: Seventy-nine patients were treated with TBI-CY and 65 patients with BU-CY. More patients in the TBI group had allogeneic transplants (40 vs. 18). Pulmonary events occurred in 48 patients, 19 in BU-CY and 29 in TBI-CY. Of the 58 patients with allogeneic transplants, 21 (36%) developed chronic graft-vs.-host disease (GVHD), and 10 of those patients developed pulmonary complications (including 2 with obliterative bronchitis and 1 with asthma). Interstitial pneumonitis (IP) occurred in 14 patients, 12 in the TBI-CY group and 2 in the BU-CY group. Cytomegalovirus and pneumocystis infections were associated with IP in 11 of those patients. Fatal idiopathic IP occurred in one patient in each of the TBI-CY and BU-CY groups. Multivariate analysis showed that only chronic GVHD and prior bleomycin use were significant predictors of interstitial pneumonitis; no difference was seen between TBI-CY and BU-CY. CONCLUSIONS: Pulmonary complications were most commonly associated with GVHD and prior bleomycin use. The incidence of cytomegalovirus or pneumocystis carinii pneumonitis was greater in the patients receiving the TBI regimen; fatal pulmonary complications were not significantly different between TBI and nonTBI regimens.

Actuarial Analysis↗

PubMed1995

Determination of cyclophosphamide metabolites by gas chromatography and thermionic specific detection. Interindividual differences in hepatic biotransformation of cyclophosphamide in man in vitro.

Sensitive methods for the determination of the cyclophosphamide metabolites nornitrogen mustard, 4-ketocyclophosphamide and carboxyphosphamide are presented. After liquid-liquid extraction and derivatization, the metabolites are determined by gas chromatography and thermionic specific detection. The methods were used to study the in vitro biotransformation of cyclophosphamide with S-9 liver fractions of human donors. The results show large interindividual differences in the formation of nornitrogen mustard and carboxyphosphamide. 4-Ketocyclophosphamide was not detected.

Chromatography, Gas↗

PubMed2003

Adjuvant treatment of breast cancer patients with 1-3 positive lymph nodes: vinorelbine plus epirubicin; vinorelbine plus epirubicin sequential followed up by paclitaxel; epirubicin plus cyclophosphamide; epirubicin plus cyclophosphamide sequential followed up by paclitaxel. A phase II study.

PURPOSE: The efficacy of anthracyclin-containing adjuvant chemotherapy of node-positive breast cancer can be further improved by adding sequential paclitaxel (T). There is also clinical evidence that replacing cyclophosphamide (C) with vinorelbin (V) might further reduce toxicity. In order to assess the safety of these options, we initiated a clinical cohort study of epirubicin/cyclophoshamide and epirubicin/vinorelbine with or without sequential paclitaxel. METHOD: Patients with node-positive (1-3) breast cancer were assigned to open-label epirubicin/vinorelbine (EV), epirubicin/vino-relbine and sequential paclitaxel (EV/T), epirubicin/cyclophosphamide (EC) or epirubicin/cyclophosphamide plus sequential paclitaxel (EC/T) therapy. RESULTS: Fifty four outpatients received a total of 304 chemotherapy cycles. There were significant differences in grade III/IV anemia only between the EV/T and EC/T groups, in favor of the EC/T group (P=0.002). CONCLUSIONS: The safety of paclitaxel is not impaired when given sequentially after administration of the two anthracyclin-containing regimens. The exchange of cyclophosphamide against vinorelbine leads to deteriorating safety of the EC/T regimen.

Adult↗

PubMed1975

Studies on cyclophosphamide metabolites and their related compounds. 2. Preparation of an active species of cyclophosphamide and related compounds.

A synthetic study was made on the active metabolite of cyclophosphamide. Ozonolysis of O-(3 butenyl)-N,N-bis(2-chloroethyl)phosphorodiamidate, prepared by reaction of POC13 with 3-buten-1-ol followed by treatment with N,N-bis(2-chloroethyl)amine (nor mustard) and NH3, afforded 2-[bis(2-chloroethyl)amino]-4-hydroperoxytetrahydro-2H-1, 3,2-oxazaphosphorine 2-oxide (4-hydroperoxycyclophosphamide). Deoxygenation of 4-hydroperoxycyclophosphamide by triphenylphosphine yielded 4-hydroxycyclophosphamide in a pure crystalline state. These products exhibited high cytostatic activity in both in vitro and in vivo experiments. The results give confirmatory evidence for the hypothesis that C4-hydroxylation on the 1,3,2-oxazaphosphorinane ring of cyclophosphamide is necessary for its activation.

Acetals↗

PubMed1982

Synthesis and study of a spin-labeled cyclophosphamide analogue, 3-(1-oxy-2,2,6,6-tetramethyl-4-piperidinyl)cyclophosphamide.

3-(1-Oxy-2,2,6,6-tetramethyl-4-piperidinyl)cyclophosphamide (7) was isolated in 36% yield following H2O2-Na2WO4 oxidation of 3-(2,2,6,6-tetramethyl-4-piperidinyl)cyclophosphamide (6), which was synthesized in three steps (25% yield) starting with 4-amino-2,2,6,6-tetramethylpiperidine. Binding of 7 to mouse liver microsomes was investigated by optical and electron spin resonance spectroscopy. Compared with the mouse liver microsomal metabolism of 1, separate incubations of 6 and an ca. 1:1 mixture of 1 and 6 gave approximately 90 and 60% less acrolein, respectively. A spin-labeled metabolite of 7, viz., N-(1-oxy-2,2,6,6-tetramethyl-4-piperidinyl)phosphoramide mustard (9), was synthesized and its intramolecular O-alkylation at pH 7.4, 37 degrees C, was studied by 31P NMR spectroscopy. Compounds 7 and 9 were inactive in screening tests against L1210 lymphoid leukemia in mice.

Acrolein↗