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We report the results of a randomised phase II trial of docetaxel tested as a single agent in patients with recurrent head and neck cancer using methotrexate as a control arm to validate the results. Eligibility criteria included: histologically-confirmed squamous cell carcinoma, measurable disease, adequate haematological, renal and hepatic functions, no prior chemotherapy for recurrent cancer, signed informed consent. 40 mg/m2 methotrexate was given as a short weekly bolus i.v. injection, and 40 mg/m2 docetaxel was administered as a one hour weekly infusion. A total of 57 patients were randomised based on a ratio of 2/1:37 and 20 patients received docetaxel and methotrexate, respectively. Patient characteristics included 49 males and 8 females; the median age was 59 years (range: 43-82 years). Twenty-eight patients had a local-regional relapse and 29 had distant metastasis, the median disease-free interval was 7.9 months (range: 0-165 months). For patients treated with docetaxel, the following grade 3-4 toxicities occurred: neutropenia (12.5%) with febrile neutropenia in one patient (1%), anaemia (19%) mucositis (9%) and ungueal toxicity (9%). In the methotrexate arm, the grade 3-4 toxicities were: anaemia (15%) and mucositis (5%). The response rate was significantly higher in the docetaxel arm with 27% (95% confidence interval (CI): 21.7-32.3%) of objective responses versus 15% (95% CI: 11.2-18.8%) in the methotrexate arm. Overall survival and time to progression were super-imposable between the docetaxel and methotrexate treatments. Docetaxel given as a weekly infusion has a high activity in patients with head and neck cancer. A phase III trial is needed to test if this translates into a survival benefit for docetaxel use.
This phase II study evaluated docetaxel-5-fluorouracil (5-FU) in locally recurrent and/or metastatic squamous cell carcinoma of the head and neck (SCCHN). Patients were divided into 2 cohorts--those previously treated with chemotherapy and those nonpretreated--that received docetaxel 75 mg/m2 (day 1) plus 5-FU 1,000 mg/m2/day (days 1-5 every 3 weeks). Of 63 patients entered, 20 (31.7%) were pretreated and 43 (68.3%) were nonpretreated. Fifty-nine patients (93.7%) had received prior radiotherapy. After inclusion of 20 patients, the 5-FU dose was reduced to 750 mg/m2/day due to unacceptable toxicity. The overall response rate (ORR) was 20.6% on radiologic review (22.2%, investigator assessment). Pretreated patients achieved an ORR of 25.0% versus 18.6% for nonpretreated patients. This unexpected finding was partly attributed to differences in patient characteristics between the groups. Overall major grade 3 to 4 toxicities comprised neutropenia (66.6%), febrile neutropenia (31.7%), and mucositis (31.7%). Grade 3 to 4 toxicities were lower at the reduced 5-FU dose (750 mg/m2/day): Febrile neutropenia declined from 40.0% to 27.9%; mucositis declined from 55.0% to 20.9%. Three treatment-related deaths occurred (2 with 5-FU 750 mg/m2/day, 1 with 5-FU 1,000 mg/m2/day). Docetaxel-5-FU appears active in locally recurrent and/or metastatic SCCHN with acceptable toxicity at the dose of 5-FU 750 mg/m2.
PURPOSE: The main objective of this prospective multicenter randomised phase III study was to compare a combined regimen of fotemustine plus whole brain irradiation versus fotemustine alone in terms of cerebral response and time to cerebral progression in patients with melanoma brain metastases. PATIENTS AND METHODS: Seventy-six patients (instead of the 106 planned patients; study was stopped after the interim analysis) were randomised receiving either fotemustine (arm A, n = 39) or fotemustine and whole brain irradiation (arm B, n = 37). Fotemustine was administered intravenously at 100 mg m(-2) on day 1, 8 and 15, followed by a 5-week rest period, then every 3 weeks in non-progressive patients. In arm B, a concomitant whole brain irradiation was performed at the total dose of 37.5 Gy (2.5 Gy/d(-1), days 1-5, 3 consecutive weeks). RESULTS: Although patients who received fotemustine alone had worse prognostic factors, there was no significant difference in brain response (arm A: 7.4%, B: 10.0%) or control rates (objective response plus stable disease) after seven weeks (arm A: 30%, B: 47%) and overall survival (arm A: 86d, B: 105d). However, there was a significant difference in favour of arm B for the time to brain progression (p = 0.028, Wilcoxon test). CONCLUSION: Fotemustine plus whole brain irradiation delayed the time to brain progression of melanoma cerebral metastases compared to fotemustine alone but without a significant improvement in terms of objective control or overall survival.
BACKGROUND: The purpose of this study was to carry out two randomised phase II trials of S16020, a new olivacine derivative, tested as a single agent in patients with recurrent head and neck cancer, using methotrexate as the control arm to validate the results. PATIENTS AND METHODS: S16020 at either 80 or 100 mg/m2 was administered as a 3-h infusion every 3 weeks. Methotrexate, 40 or 50 mg/m2, was given by bolus injection, weekly for a minimum of 6 weeks. In total, 36 patients were entered in the randomised studies (25 in an initial study, 11 in a confirmatory study) of whom 24 received S16020 and 12 received methotrexate. RESULTS: A scheduled interim analysis showed one patient having a non-confirmed objective response with S16020 and three patients having a confirmed objective response with methotrexate. In the methotrexate group, there were no patients with severe non-haematological toxicity. With S16020, there was a high incidence of severe non-haematological toxicities, including asthenia, oedema of the face, oedema and pain at the tumour sites and erythematous rash; consequently, both studies were stopped. CONCLUSIONS: Both studies were stopped due to the poor anticipated benefit/risk ratio for S16020, although time to progression and overall survival time were similar in both treatment arms.
The main objective of this prospective multicentre randomized phase III study was to compare a combined regimen of fotemustine plus whole brain irradiation with fotemustine alone in terms of cerebral response and time to cerebral progression in patients with melanoma cerebral metastases. Seventy-six patients were randomized to receive either fotemustine (arm A, n = 39) or fotemustine plus whole brain irradiation (arm B, n = 37). Fotemustine was administered intravenously at 100 mg/m(2) on days 1, 8 and 15, followed by a 5 week rest period, then every 3 weeks in non-progressive patients. In arm B, concomitant whole brain irradiation was performed at a total dose of 37.5 Gy (2.5 Gy/day on days 1-5 for three consecutive weeks). Although patients who received fotemustine alone had worse prognostic factors, there was no significant difference in cerebral response (arm A, 7.4%, arm B, 10.0%) or control rates (objective responses plus stable disease) after 7 weeks (arm A, 30%; arm B, 47%) or in overall survival (arm A, 86 days; arm B, 105 days). However, there was a significant difference in favour of arm B for the time to cerebral progression (P = 0.028, Wilcoxon test). In conclusion, fotemustine plus whole brain irradiation delayed the time to cerebral progression of melanoma cerebral metastases compared with fotemustine alone but without a significant improvement in terms of objective control or overall survival.
The comparative saliva/plasma pharmacokinetics of topotecan were investigated in 13 patients with metastatic epithelial ovarian cancer receiving topotecan (30-min intravenous (i.v.) infusion) on a five consecutive day schedule every 3 weeks. During the first and the second courses of treatment, each patient underwent pharmacokinetic evaluation. Quantitation of the total topotecan (lactone plus carboxylate form) was assessed by a highly specific high-performance liquid chromatographic (HPLC) method. Large patient-to-patient variations in the plasma and saliva concentrations were observed. Plasma and saliva pharmacokinetics could be described using a biexponential pattern. From the saliva data, the half-life of the terminal part of the curve was 2.64 h, it was of the same order of magnitude as the topotecan elimination half-life determined from the plasma data, 3.18 h. Topotecan concentrations were higher in the saliva than in the plasma, the saliva/plasma concentration ratio averaged 2.31 and the ratio area under the parotid saliva (AUC(s)) over plasma (AUC(p)) concentration-time curve (AUC(s)/AUC(p)) averaged 2.11. For each individual, a significant relationship was found between topotecan concentrations in the saliva and in the plasma, the coefficients of correlation ranged from 0.75 to 0.92 according to the patient. Myelosuppression, especially granulocytopenia was the most frequent toxicity encountered during the trial. The percent decrease in the leucocyte count, absolute neutrophil count and platelet count were related to the AUCp/day using sigmoidal E(max) models. The high values of the Hill constant found reflect the very steep AUC-haematoxicity relationship observed. In most cases, abdominal pain occurred in patients presenting high saliva concentrations. One patient with high salivary concentrations (mean S/P ratio=4.60) had grade 1 mucositis. In conclusion, the concentration of topotecan in saliva appeared to be useful as an indirect, non-invasive estimation of the levels of topotecan in the plasma; thus, saliva concentrations could be a good predictor of the behaviour of topotecan in the body.
OBJECTIVE: Twenty-seven patients with recurrent squamous cell carcinoma of the head and neck were entered in a multicenter study to determine the efficacy of the paclitaxel-carboplatin association. METHODS: Standard eligibility criteria applied, i.e. measurable disease, and chemotherapy given as induction treatment or concomitant chemoradiotherapy was allowed if completed more than 6 months prior to the study. Every 21 days, paclitaxel 175 mg/m(2) and carboplatin AUC 6 were administered. The patient group included 3 females and 24 males with a median age of 61 years (range 39-75 years). RESULTS: All patients were assessable for toxicity and 24 for responses. Main grade 3-4 toxicities were: neutropenia (62.9%), febrile neutropenia (18.5%), anemia (11.1%), thrombocytopenia (14.8%), mucositis (7.4%) and vomiting (7.4%). Among the intent-to-treat population, 29.6% of patients had an objective response, with a median response duration of 4.2 months (range 1-5.7 months). Stable and progressive disease were observed in 11.1 and 48.1% of patients, respectively. The median overall survival was 7.2 months (range 0.5-10.9 months). CONCLUSION: From these data, paclitaxel-carboplatin seems to have an activity in recurrent squamous cell carcinoma of the head and neck, but the high level of toxicity highlights the need to search for a safer chemotherapy combination.
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PURPOSE: The pharmacokinetics (PK) of platinum was investigated and compared in patients with normal (NRF) and impaired renal function (IRF), after they had received oxaliplatin at the recommended dose and delivery modality. METHODS: Oxaliplatin was administered at 130 mg/m(2) as a 2-h infusion without hydration. Patients were recruited and classified according to their creatinine clearance (CrCl > or < 60 ml/min), calculated using the Cockcroft and Gault formula. Blood was taken for PK analysis during and after the infusion. Twenty-three patients were included in the PK analysis (13 NRF and 10 IRF). At inclusion, the median CrCls were 70.5 ml/min (range 63-136) for the NRF group and 42 ml/min (range 27-57) for the IRF group. Three patients underwent a second course of treatment and additional blood sampling for analysis. Platinum levels in the plasma, ultrafiltrate and red blood cells (RBCs) were measured using flameless atomic absorption spectrophotometry (FAAS). RESULTS: Following the administration of oxaliplatin, platinum binding to plasma proteins and RBCs was rapid and extensive; at the end of the 2-h infusion, 27% of the platinum in the plasma remained free (40% bound to RBCs, 33% bound to plasma proteins). Neither the mean maximal concentration (C(max)) of total platinum in the plasma, the mean C(max) of ultrafilterable platinum in the plasma, nor the maximal platinum content in the RBCs differed significantly between the two groups (2.59 vs 2.58 microg/ml, 1.09 vs 1.28 microg/ml and 2. 06 vs 2.17 microg/ml, respectively, for patients with NRF vs IRF). After the end of the infusion, levels of total and free (ultrafilterable) platinum in the plasma declined biexponentially. The plasma clearance of both total and free platinum as well as the area under the curve (AUC) of the free platinum fraction correlate with the calculated CrCl (P=9 x 10(-3), P=3.1 x 10(-5) and P=9 x 10(-6), respectively). After a single course of oxaliplatin, toxicities reported in the two groups of patients were similar. CONCLUSIONS: Our results are in agreement with the in vitro data concerning the extensive binding of oxaliplatin to plasma proteins and RBCs. They also reveal a strong negative correlation between free drug plasma availability and renal function, with a corresponding positive correlation between clearance of the plasmatic platinum and renal function. Thus, renal impairment entails a greater overall exposure to platinum in the plasma. However, this study failed to elicit any relationship between moderate renal impairment and the acute toxicity associated with oxaliplatin.
CONTEXT: The "Standards, Options and Recommendations" (SOR) project, started in 1993, is a collaboration between the Federation of the French Cancer Centres (FNCLCC), the 20 French Cancer Centres and specialists from French Public Universities, General Hospitals and Private Clinics. The main objective is the development of clinical practice guidelines to improve the quality of health care and outcome for cancer patients. The methodology is based on literature systematic review and critical appraisal by a multidisciplinary group of experts, with feedback from specialists in cancer care delivery. OBJECTIVES: To develop clinical practice guidelines according to the definitions of Standards, Options and Recommendations for the management of patients with cutaneous melanoma. METHODS: Data have been identified by literature search using Medline - until December 1998 - and the personal reference lists of the expert group. Once the guidelines were defined, the document was submitted for review to national and international independent reviewers and to the medical committees of the 20 French Cancer Centres. RESULTS: The main recommendations for the management of cutaneous melanoma (CM) are: 1) The primary prevention of melanoma is based on a reduction in exposure to ultraviolet rays (solar or artificial). 2) The diagnosis of CM requires the surgical removal and histological examination of the lesion (standard). 3) The pathological report must include the diagnosis of primary malignant melanoma, the maximum thickness of the tumour in millimeters (Breslow), the clearance of surgical margins, the level of invasion (Clark), the presence and extension of regression and the presence of any ulceration (standard). 4) The standard treatment of a primary melanoma without lymph node involvement is based on surgery that must ensure adequate margins depending on the thickness of the tumour (standard, level of evidence B). 5) After surgery of a stage I melanoma, there is no indication for additional treatment outside a prospective therapeutic study (standard, level of evidence B, French Consensus Conference). 6) For a local recurrence without node involvement, in the absence of other metastases, surgical excision is the standard treatment. 7) In the case of metastatic regional lymph nodes, a complete regional lymphadenectomy is required. There is no indication for additional treatment outside a prospective therapeutic study (standard, level of evidence B). The inclusion of these patients in controlled studies of immunotherapy is recommended. 8) There is no standard therapeutic strategy for metastatic melanoma. Conventional palliative treatment is chemotherapy with dacarbazine (level of evidence B). 9) Follow-up is based on physical examination (standard). Patient information must encourage self-surveillance. Clinical surveillance and self-detection are indicated in all cases throughout life (standard).
BACKGROUND: The objective of the current study was to evaluate the response rate, survival, and toxicity of treatment with cisplatin and high dose intravenous continuous infusion interleukin-2 (IL-2) with or without interferon-alpha-2a (IFN) in patients with metastatic melanoma. METHODS: One hundred and seventeen patients with metastatic melanoma randomly were assigned to receive cisplatin, 100 mg/m2, followed after a 3-day rest period by IL-2, 18 x 10(6) IU/m2, on Days 3-6 and Days 17-21 (Arm 1) or cisplatin and IL-2 using an identical schedule plus subcutaneous IFN, 9 x 10(6) U, 3 times a week during IL-2 administration (Arm 2). In the absence of disease progression or undue toxicity, the cycle could be repeated on Day 29. Patients who responded after two cycles eventually could receive a third cycle. One hundred and one patients were evaluable for toxicity and efficacy. RESULTS: On treatment Arm 1, 3 patients (6%) achieved a complete response (CR) and 5 patients (10%) achieved a partial response (PR) with a median response duration of 3.8 months for the CRs and 8.7 months for the PRs. On treatment Arm 2, 2 patients (3%) achieved a CR (durations of 5.9 and 33.1 months, respectively) and 11 patients (21%) a PR with a median response duration of 8.3 months. The median durations of overall survival were 10.4 months (range, 1.1-39.7+ months) and 10.9 months (range, 0.5-38.1+ months) for treatment Arms 1 and 2, respectively. The toxicity profile was consistent with the known side effects of this IL-2 intravenous regimen combined with cisplatin chemotherapy and IFN. Toxicity was more pronounced in treatment Arm 2 compared with treatment Arm 1. There were 2 and 4 patients, respectively, in treatment Arms 1 and 2 who died within 28 days after completion of treatment. CONCLUSIONS: The observed overall response rates of 16% and 25% in treatment Arms 1 and 2, respectively, is lower than that expected with biochemotherapy; despite the fact that the objective of the trial was not to show any difference between the 2 treatment arms, our results indicate that the addition of IFN, at the dose and schedule used in this trial, fails to improve the activity of a cisplatin/IL-2 regimen significantly in patients with metastatic melanoma. Although response rates were relatively low, the median overall survival was nearly 1 year in both groups.
BACKGROUND: Unknown primary tumors are highly malignant diseases which portend a dire prognosis. We designed a prospective high dose-intensity policy with the aim of improving the results obtained with conventional chemotherapy. PATIENTS AND METHODS: Chemotherapy regimens were determined according to clinical features. In patients younger than 61 years with an ECOG performance status of 0 or 1, poorly differentiated adenocarcinoma or poorly differentiated carcinoma, and no evidence of brain or bone marrow involvement (group A), the treatment plan included four sequential high-dose courses with hematopoietic progenitor cell and growth factor support. Peripheral blood progenitor cells were collected by apheresis as the leukocyte counts recovered from the nadir induced by the first cycle of chemotherapy (doxorubicin 75 mg/m2, cyclophosphamide 6000 mg/m2). Patients then received two cycles of etoposide (800 mg/m2) and carboplatin (900 mg/m2) separated by one cycle of doxorubicin (75 mg/m2) and cyclophosphamide (3000 mg/m2). G-CSF (5 micrograms/kg/d) was given until engraftment. It was planned that cycles would be delivered every three weeks. The remaining patients (group B) received alternative cycles of AC (doxorubicin 50 mg/m2, cyclophosphamide 1000 mg/m2) and EP (etoposide 300 mg/m2, cisplatin 100 mg/m2). Cycles were given at two-week intervals with GM-CSF support (5 micrograms/kg/d) from day 4 to day 10. Patients without measurable lesions were included, since the major endpoint was survival. RESULTS: Sixty patients entered the study. Twenty patients were assigned to group A and 40 patients to group B. In group A, 5 of 12 patients with measurable lesions (42%; 95% confidence interval (95% CI): 22%-62%) achieved major responses to chemotherapy, including one complete response. The duration of the overall median survival was 11 months. In group B, a major response was observed in 12 (39%; 95% CI: 28%-50%) of 31 patients with measurable lesions, including three complete responses. The overall median survival was 8 months. Hematological toxicities were noteworthy in both groups. Two toxic deaths occurred in group B. CONCLUSION: Using these doses and schedules of chemotherapy, a high-dose intensity policy does not appear to improve the outcome of patients with carcinoma of unknown primary site. Alternative studies dealing with new drugs are required.
OBJECTIVE: To determine the applicability and safety of an ifosfamide, cisplatin, and etoposide (VIP) regimen as a neoadjuvant chemotherapy to a concomitant thoracic radiotherapy and cisplatin continuous infusion in locally advanced non-small cell lung cancer (NSCLC). PATIENTS AND METHODS: Forty-four patients (stage IIIb in 43 and stage IIIa in 1) entered a study of VIP, followed by concomitant thoracic radiotherapy and cisplatin continuous infusion. Chemotherapy consisted of three courses of cisplatin 25 mg/m2, ifosfamide 1.5 g/m2 (with uroprotection), and etoposide 100 mg/m2 given on days 1 to 4 of a 21-day cycle with hematopoietic support using recombinant human methionyl granulocyte colony stimulating factor. Patients who achieved a response or a stabilization were planned to receive a split-course normofractionated thoracic radiotherapy (first course: 30 Gy/10; 4-week rest period; second course: 25 Gy/10). A continuous cisplatin infusion of 6 mg/m2 daily was administered using an autonomous chemotherapy delivery device. Total plasma platinum titration was performed daily during the two courses in five of the patients. Analyses were done on an intent-to-treat basis. RESULTS: Thirty-nine of the 44 patients received the three-cycle chemotherapy program. Received dose intensity was 82%. Thirty-eight patients received the radiotherapy and, among them, 35 received the complete concomitant continuous cisplatin infusion. Objective (complete) response rates were 48% (7%) at the end of chemotherapy and increased up to 61% (16%) by the end of radiotherapy. At the end of the first radiotherapy cycle, the mean total plasma platinum concentration was twice as high as that of the residual postinduction chemotherapy concentration. During induction chemotherapy, myelosuppression was the limiting toxicity requiring hospital readmission in 23 patients. During radiotherapy, the main toxicity was acute esophagitis. A relatively high rate of pulmonary fibrosis was observed using the subjective objective management analytic--late effects of normal tissue score without life-threatening pulmonary function impairment. None of the patients died from toxic reactions. Probability of survival at 1, 2, and 3 years was 49%, 19%, and 5%, respectively. Primary cause of failure was a local relapse in 63% of the patients, brain metastases in 24%, and hematogeneous metastases to other sites in 13%. CONCLUSION: Neoadjuvant VIP followed by concomitant radiotherapy-chemotherapy is feasible, but the split-course radiotherapy did not prevent a high rate of local recurrences. The high rate of toxic reactions requiring hospital readmission limits further development of such an aggressive regimen in NSCLC.
The aim of this study was to demonstrate the value of the level of platinum in lymphocytes, plasma and saliva, in order to predict neutropenia during the same cycle after cisplatin chemotherapy. Plasma and lymphocytes samples were obtained from 14 patients receiving 100 mg/m2 cisplatin in different combination. Saliva samples were obtained from 3 other patients. We found that platinum plasma concentration at the Cmax and 1 hour after the end of the infusion were significantly higher in the grade 4 neutropenia cycles (respectively 2.60 vs 2.05 and 2.55 vs 2.00 mg/l p < 0.05). Platinum DNA-adduct were not detectable by ICPMS. Maximum concentrations in saliva ranged between 0.05 to 0.08 mg/l at the end of the infusion. The ratio of platinum levels in plasma and saliva varied between 2 and 3%. Saliva seems to be useful for therapeutic drug monitoring of cisplatin because it can be obtained by non invasive and patient-friendly-means. However, new studies are required to demonstrate the relationship between these two biological fluids.
BACKGROUND: Owing to the limited efficacy of therapy on melanoma at the stage of distant metastases, a well-tolerated adjuvant therapy is needed for patients with high-risk primary melanoma. Our hypothesis was that an adjuvant treatment with low doses of interferon alpha could be effective in patients with localised melanoma. METHODS: After resection of a primary cutaneous melanoma thicker than 1.5 mm, patients without clinically detectable node metastases were randomly assigned to receive either 3x10(6) IU interferon alpha-2a, three-times weekly for 18 months, or no treatment. The primary endpoint was the relapse-free interval. FINDINGS: 499 patients were enrolled, of whom 489 were eligible. When used as part of a sequential procedure, interferon alpha-2a was of significant benefit for relapse-free interval (p=0.038). A long-term analysis, after a median follow-up of 5 years, showed a significant extension of relapse-free interval (p=0.035) and a clear trend towards an increase in overall survival (p=0.059) in interferon alpha-2a-treated patients compared with controls. There were 100 relapses and 59 deaths among the 244 interferon alpha-2a-treated patients compared with 119 relapses and 76 deaths among the 245 controls. The estimated 3-year-relapse rates were 32% in the interferon alpha-2a group and 44% in controls; the 3-year death rates were 15% and 21%, respectively. Only 10% of patients experienced WHO grade 3 or 4 adverse events. Treatment was compatible with normal daily life. INTERPRETATION: Adjuvant therapy of high-risk melanoma with low doses of interferon alpha-2a for 18 months is safe and is beneficial when started before clinically detectable node metastases develop.
PURPOSE: Carcinomas of unknown primary site are frequent neoplasms which raise diagnostic and therapeutic problems in clinical practice. METHODS: Clinical records of 100 patients with carcinoma of unknown primary site whose clinical management took place at the Centre Regional de Lutte Contre le Cancer de Montpellier were retrospectively reviewed. Initial clinical and biological characteristics, pre-treatment evaluation, therapies and outcome were recorded. RESULTS: Three main histological types were observed: adenocarcinoma (66 patients), poorly differentiated carcinoma (19 patients), epidermoid carcinoma (11 patients). Bone, lung, lymph nodes and liver were the most frequently involved metastatic sites. Analysis of the investigations aimed at identifying the primary site (none of which being positive) showed 68 different combinations in 100 patients. Anemia (< 100 g/L) was observed in 10 patients, while serum alkaline phosphatase was increased in 42 patients. Seven patients died before any therapy. Chemotherapy or radiotherapy was advocated in 70 and 59 patients, respectively. Thirty-six patients had concomitant chemoradiotherapy. Chemotherapy included a platinum derivative in 53 patients. The median number of cycles was four. Nine objective responses were observed, six of which occurred in patients who were receiving platinum-based chemotherapy. Ninety-six deaths were encountered, 95 due to the disease progress and one due to an intercurrent cause. The median survival was 9 months. Univariate analysis identified two prognostic factors: the number of metastatic sites and the serum alkaline phosphatase. CONCLUSIONS: This retrospective study confirms the difficulties in the management of patients with carcinomas of unknown primary site. A literature review suggests limited diagnostic investigations in clinical practice with the aim of identifying tumors of potential prognostic (breast and ovary) or therapeutic (prostate) value. Apart from specific subgroups of patients for whom specific therapy is recommended, there is no current standard chemotherapy.