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1.
Intern Med J ; 44(8): 813-7, 2014 Aug.
Article in English | MEDLINE | ID: mdl-25081047

ABSTRACT

This is the first prospective study in a contemporary Australian/New Zealand population to determine the prevalence of testosterone deficiency in testicular cancer survivors at 12 months from treatment, and any association with poorer quality of life. Hormone assays from 54 evaluable patients in a prospective cohort study revealed biochemical hypogonadism in 18 patients (33%) and low-normal testosterone in 13 patients (24%). We found no association between testosterone levels and quality of life (all P > 0.05). Hypogonadal patients should be considered for testosterone replacement to prevent long-term morbidity.


Subject(s)
Hormone Replacement Therapy/methods , Neoplasms, Germ Cell and Embryonal/blood , Quality of Life , Testicular Neoplasms/blood , Testosterone/deficiency , Adult , Australia/epidemiology , Follow-Up Studies , Humans , Male , Middle Aged , Neoplasms, Germ Cell and Embryonal/drug therapy , Neoplasms, Germ Cell and Embryonal/epidemiology , New Zealand/epidemiology , Prevalence , Prospective Studies , Survival Rate/trends , Survivors , Testicular Neoplasms/drug therapy , Testicular Neoplasms/epidemiology , Young Adult
2.
Support Care Cancer ; 21(6): 1561-8, 2013 Jun.
Article in English | MEDLINE | ID: mdl-23274926

ABSTRACT

PURPOSE: The purpose of this study was to determine the efficacy of adding a 7-day aprepitant schedule to a 5HT3 receptor antagonist and dexamethasone for patients with germ cell tumors receiving first-line 5-day cisplatin-based chemotherapy. METHODS: In a single-arm, open-label, multi-center, phase 2 trial, chemo-naive patients received aprepitant 125 mg PO (per oral) on day 1 and 80 mg PO on days 2 to 7, a 5HT3 receptor antagonist on days 1 to 5, and dexamethasone 8 mg on days 1 to 8. The primary endpoint was no emesis (vomiting or dry retching) during days 1 to 7 of cycle 1. RESULTS: Fifty patients were recruited. For cycle 1, proportions reporting no emesis on day 1, no emesis on days 1 to 7, no nausea on day 1, and no nausea on days 1 to 7 were 96, 82, 71, and 27%, respectively. The efficacy was maintained in all cycles with over 80% of patients reporting no emesis on any given day of any given cycle. Emesis was more common on days 4 to 7 (68% episodes) than on days 1 to 3 (32% episodes). Over any 24-h period, 49% of patients with emesis reported no more than two episodes, and 62% of patients with nausea reported intensity as 3 or less on a scale from 0 to 10. There were no unexpected or serious adverse events reported. CONCLUSION: Adding 7 days of aprepitant to a 5HT3 receptor antagonist and dexamethasone effectively controlled acute and delayed emesis with 5-day cisplatin regimens. Days of nausea were more common than days of vomiting.


Subject(s)
Antiemetics/administration & dosage , Cisplatin/adverse effects , Morpholines/administration & dosage , Nausea/prevention & control , Neoplasms, Germ Cell and Embryonal/drug therapy , Testicular Neoplasms/drug therapy , Vomiting/prevention & control , Administration, Oral , Adult , Antineoplastic Agents/adverse effects , Antineoplastic Agents/therapeutic use , Aprepitant , Cisplatin/therapeutic use , Dexamethasone/therapeutic use , Drug Therapy, Combination , Female , Humans , Male , Mediastinal Neoplasms/drug therapy , Mediastinal Neoplasms/pathology , Middle Aged , Nausea/chemically induced , Nausea/drug therapy , Neoplasms, Germ Cell and Embryonal/secondary , Ovarian Neoplasms/drug therapy , Ovarian Neoplasms/pathology , Retroperitoneal Neoplasms/drug therapy , Retroperitoneal Neoplasms/pathology , Serotonin 5-HT3 Receptor Antagonists/administration & dosage , Testicular Neoplasms/pathology , Treatment Outcome , Vomiting/chemically induced , Vomiting/drug therapy , Young Adult
3.
Ann Oncol ; 23(6): 1571-8, 2012 Jun.
Article in English | MEDLINE | ID: mdl-22056972

ABSTRACT

BACKGROUND: Although studies have shown that complementary and alternative medicine (CAM) use is common in cancer patients, no survey has assessed CAM use in men with a variety of cancers. In Australia, no data exist about male cancer patients' use of CAM. PATIENTS AND METHODS: A self-administered questionnaire was completed by 403 men attending four cancer outpatient services in Metropolitan Adelaide. Data were analyzed using Pearson's χ(2) tests and multivariate logistic regression analysis. RESULTS: CAMs were currently used by 52.9%, or used at some point by 61.5%, of respondents. The most popular CAM treatments were dietary supplements (36.1%), prayer (25.9%), herbs and botanicals (21.4%), and relaxation techniques/meditation (15.2%). CAM use was directed by a cancer specialist in 9.9% of respondents. Independent predictors of CAM use were metastatic cancer (P = 0.022), actively practicing religion (P = 0.008), and tertiary education (P = 0.007). CONCLUSIONS: CAM use in males is equally common across all cancer diagnoses, namely prostate, hematological malignancies, colorectal, lung, and other cancers. Oncologists should be aware that one-third of male patients modify their diet and/or search for spiritual guidance, particularly when diagnosed with metastatic cancer.


Subject(s)
Ambulatory Care , Complementary Therapies/statistics & numerical data , Neoplasms/therapy , Aged , Australia , Humans , Logistic Models , Male , Middle Aged , Multivariate Analysis , Surveys and Questionnaires
4.
Eur J Cancer ; 43(12): 1829-32, 2007 Aug.
Article in English | MEDLINE | ID: mdl-17631996

ABSTRACT

This phase II study evaluated vinflunine in chemotherapy naive patients with metastatic melanoma. Vinflunine was administered at 350 mg/m(2) every 3 weeks, but after 9 patients this was reduced to 320 mg/m(2) based on interim analyses of all phase II trials. A partial response was observed in 1 of the first 9 patients (11.1%) treated at 350 mg/m(2), which gives a 3.0% [95% confidence interval (CI): 0.08-15.8] response rate in 33 patients. No change was the best response in 13 patients (39.4%) with progressive disease in 16 (48.5%) and 3 were not evaluable for response. The time to response was 1.4 months and duration was 6 months. At 350 mg/m(2) grade 4 neutropaenia occurred in 3 patients (33.3%) and grade 3 in 2 patients (22.2%) while at 320 mg/m(2) grade 4 neutropaenia occurred in 6 patients (25%) and grade 3 in 3 patients (12.5%) with 2 episodes of grade 3 febrile neutropaenia. Two patients (8.3%) had grade 3 anaemia. These results do not show activity at this dose and schedule for vinflunine in patients with chemotherapy naive metastatic melanoma.


Subject(s)
Antineoplastic Agents, Phytogenic/administration & dosage , Melanoma/drug therapy , Melanoma/secondary , Skin Neoplasms/drug therapy , Vinblastine/analogs & derivatives , Adult , Aged , Antineoplastic Agents, Phytogenic/adverse effects , Female , Hematologic Diseases/chemically induced , Humans , Infusions, Intravenous , Male , Melanoma/mortality , Middle Aged , Skin Neoplasms/mortality , Survival Analysis , Treatment Outcome , Vinblastine/administration & dosage , Vinblastine/adverse effects
5.
Intern Med J ; 37(3): 201-4, 2007 Mar.
Article in English | MEDLINE | ID: mdl-17316345

ABSTRACT

As a society and as specialists involved in the diagnosis and management of cancer, we must begin to find new cost-effective ways to provide equitable access to the innovative, effective and expensive drugs that may begin to make cancer a chronic rather than rapidly lethal disease. Drugs such as trastuzumab and gefitinib are safer 'targeted therapies' that only attract government subsidies after the pathologist identifies the target present in a minor subset of patients. Nonetheless, funding for pathological identification of these targets remains a challenge. To illustrate, gefitinib may produce 'Lazarus' responses and prolonged survival among patients with epidermal growth factor receptor mutation-positive non-small-cell lung cancer. Many such examples will enter the clinical domain in the coming years. As we enter this era of personalized medicine, we argue that the use of expensive targeted therapies should be limited to pathologically proven indications because truly effective drugs are best applied to those individuals who would most benefit. It follows that medical oncologists should be trained properly to use targeted therapies. Then a new generation of oncologists would be empowered to participate in the iterative cycles of research between bench and bedside that are necessary for optimal use of biotherapies and their integration into multimodality cancer treatment programmes. We propose that cancer pathology be made available as a training option in the postgraduate education of medical oncologists. Oncologists and pathologists may jointly administer and mutually accredit the training module, which may also contribute towards the award of a higher degree.


Subject(s)
Clinical Competence , Education, Medical, Graduate , Medical Oncology/education , Medical Oncology/trends , Neoplasms/diagnosis , Neoplasms/drug therapy , Humans
6.
Br J Cancer ; 95(10): 1309-13, 2006 Nov 20.
Article in English | MEDLINE | ID: mdl-17088914

ABSTRACT

Cancer of unknown primary site (CUP) represents up to 5% of all cancer diagnoses and is associated with poor survival. We have performed a prospective multicentre phase 2 trial to evaluate efficacy and toxicity of the combination of gemcitabine (G) and carboplatin (C) for patients with CUP. Patients with histologically confirmed metastatic carcinoma in which the primary site of cancer was not evident after prospectively designated investigation and who had ECOG performance status 0-2 were treated with G 1000 mg m(-2) intravenously (i.v.) days 1 and 8, and C AUC 5 i.v. on day 8 every 3 weeks to a maximum of nine cycles. The primary end points were response rate, and toxicity, with secondary end points of progression-free survival and overall survival. Fifty-one (23 male, 27 female) patients were enrolled (one patient ineligible), with a median age of 69 years (range 41-83 years). Fifty patients were evaluable for toxicity and 46 patients were evaluable for efficacy. The overall response rate to the GC regimen was 30.5%. With a median follow-up of 24 months, the median progression-free survival was 18 weeks (4.2 months) and the median overall survival was 34 weeks (7.8 months). The frequency of grade 3 or 4 toxicity was low. Nausea/vomiting was the most common side effect, but was usually only mild in severity. Uncomplicated neutropenia (14%), thrombocytopenia (10%) and anaemia (8%) were the most common causes of grade 3-4 toxicity. The regimen was very well tolerated, particularly in the elderly. The GC regimen is an active regimen in CUP with excellent tolerability and should be considered particularly for elderly patients with CUP.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Neoplasms, Unknown Primary/drug therapy , Adenocarcinoma/drug therapy , Adenocarcinoma/secondary , Adult , Aged , Aged, 80 and over , Australia , Carboplatin/administration & dosage , Carcinoma, Large Cell/drug therapy , Carcinoma, Large Cell/secondary , Deoxycytidine/administration & dosage , Deoxycytidine/analogs & derivatives , Female , Humans , Male , Maximum Tolerated Dose , Middle Aged , Neoplasms, Unknown Primary/pathology , Prognosis , Prospective Studies , Survival Rate , Treatment Outcome , Gemcitabine
7.
Br J Cancer ; 95(7): 829-34, 2006 Oct 09.
Article in English | MEDLINE | ID: mdl-16969355

ABSTRACT

Midostaurin (PKC412A), N-benzoyl-staurosporine, potently inhibits protein kinase C alpha (PKCalpha), VEGFR2, KIT, PDGFR and FLT3 tyrosine kinases. In mice, midostaurin slows growth and delays lung metastasis of melanoma cell lines. We aimed to test midostaurin's safety, efficacy and biologic activity in a Phase IIA clinical trial in patients with metastatic melanoma. Seventeen patients with advanced metastatic melanoma received midostaurin 75 mg p.o. t.i.d., unless toxicity or disease progression supervened. Patient safety was assessed weekly, and tumour response was assessed clinically or by CT. Tumour biopsies and plasma samples obtained at entry and after 4 weeks were analysed for midostaurin concentration, PKC activity and multidrug resistance. No tumour responses were seen. Two (12%) patients had stable disease for 50 and 85 days, with minor response in one. The median overall survival was 43 days. Seven (41%) discontinued treatment with potential toxicity, including nausea, vomiting, diarrhoea and/or fatigue. One patient had >50% reduction in PKC activity. Tumour biopsies showed two PKC isoforms relatively insensitive to midostaurin, out of three patients tested. No modulation of multidrug resistance was demonstrated. At this dose schedule, midostaurin did not show clinical or biologic activity against metastatic melanoma. This negative trial reinforces the importance of correlating biologic and clinical responses in early clinical trials of targeted therapies.


Subject(s)
Antineoplastic Agents/adverse effects , Melanoma/drug therapy , Staurosporine/analogs & derivatives , Adult , Aged , Blotting, Western , Chromatography, High Pressure Liquid , Female , Humans , Isoenzymes/drug effects , Isoenzymes/metabolism , Male , Melanoma/mortality , Middle Aged , Protein Kinase C/drug effects , Protein Kinase C/metabolism , Staurosporine/adverse effects , Staurosporine/analysis , Staurosporine/metabolism , Survival Analysis , Treatment Outcome
8.
Invest New Drugs ; 24(5): 429-34, 2006 Sep.
Article in English | MEDLINE | ID: mdl-16528478

ABSTRACT

PURPOSE: An open-label, multicentre, non-comparative phase II trial to determine the response rate of intravenous vinflunine as first line chemotherapy in patients with metastatic renal cell carcinoma (RCC). PATIENTS AND METHODS: Patients with metastatic RCC were treated with vinflunine 350 mg/m2 (n = 11) or 320 mg/m2 (n = 22) administered intravenously every 21 days. RESULTS: Out of 33 patients included in this study, one partial response was observed in the group treated at 350 mg/m2 and none in the group receiving 320 mg/m2 resulting in a response rate in this population of 9.1% (95% CI: 0.2-41.3). Median progression free survival was 5.6 months (95% CI: 2.8-14.4) for patients treated at 350 mg/m2, and 3.3 months (95% CI: 1.6-6.4) for those treated at 320 mg/m2.The median survival time was 10.4 months (95% CI: 6.8-12.4) for the whole study population. The principal toxicities were grade 3/4 neutropaenia -90.9% at 350 mg/m2 and 68.1% at 320 mg/m2, febrile neutropaenia was recorded in 3 patients (27.3%) at 350 mg/m2 and in 5 patients (22.7%) at 320 mg/m2. One episode of thromboembolic event was reported in 1 patient at each dose level. CONCLUSION: Vinflunine given intravenously once every 3 weeks has not shown any clinically relevant activity in the management of patients with metastatic renal cell carcinoma; tolerance of the treatment was better at a dose of 320 mg/m2 than at 350 mg/m2.


Subject(s)
Antineoplastic Agents/therapeutic use , Carcinoma, Renal Cell/drug therapy , Vinblastine/analogs & derivatives , Adult , Aged , Antineoplastic Agents/adverse effects , Female , Humans , Male , Middle Aged , Multicenter Studies as Topic , Survival Analysis , Treatment Outcome , Vinblastine/adverse effects , Vinblastine/therapeutic use
9.
Intern Med J ; 35(8): 478-81, 2005 Aug.
Article in English | MEDLINE | ID: mdl-16176471

ABSTRACT

The need to control chemotherapy-induced emesis has stimulated research into anti-emetics. Emesis is not only unpleasant, but negatively impacts on global quality of life. The development of two new classes of drugs has been responsible for the major advances in anti-emesis. The 5 hydroxytryptamine3 (5HT3) antagonists in combination with dexamethasone significantly improved the control of acute post chemotherapy emesis, but delayed emesis which can last for several days was still problematic, yet its incidence was underestimated by clinicians. Both the control of acute and delayed emesis was improved when the neurokinin1 (NK1) receptor antagonists were added to 5HT3 antagonists and steroids. The complete control of delayed emesis was improved by 21% with little toxicity. The triple drug combination has become the standard of care for preventing the emesis associated with cytotoxic drugs of high emetic potential.


Subject(s)
Antiemetics/therapeutic use , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Quality of Life , Vomiting/chemically induced , Vomiting/prevention & control , Administration, Oral , Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Australia , Dose-Response Relationship, Drug , Drug Administration Schedule , Female , Granisetron/therapeutic use , Humans , Indoles/therapeutic use , Isoquinolines/therapeutic use , Male , Neoplasms/drug therapy , Ondansetron/therapeutic use , Palonosetron , Patient Satisfaction , Prognosis , Quinolizines/therapeutic use , Quinuclidines/therapeutic use , Treatment Outcome , Tropisetron
10.
Clin Oncol (R Coll Radiol) ; 17(5): 372-81, 2005 Aug.
Article in English | MEDLINE | ID: mdl-16097570

ABSTRACT

AIMS: To evaluate trends in colorectal cancer survival and treatment at South Australian teaching hospitals and degree of adherence to treatment guidelines which recommend adjuvant chemotherapy for Dukes' C colon cancers and combined chemotherapy and radiotherapy for high-risk rectal cancers. MATERIALS AND METHODS: Trends in disease specific survival and primary treatment were analysed, and comparisons drawn between diagnostic epochs, using cancer registry data from South Australian teaching hospitals. Statistical methods included univariate and multivariable disease specific survival analyses. RESULTS: Five-year survival increased from 48% in 1980-1986 to 56% in 1995-2002. Largest gains were for stage C, where survivals were higher when chemotherapy was part of the primary treatment. By comparison, gains in 1-year survival were largest for stage D. Chemotherapy was provided for 4% of patients with colorectal cancers in 1980-1986, increasing to 32% in 1995-2002. Among stage C cases below 70 years at diagnosis, the proportion having chemotherapy increased to 83% in 1995-2002. The most common chemotherapy was fluorouracil (5FU) as a single agent in 1980-1986 and 5FU with leucovorin in 1995-2002. As expected, radiotherapy was used more frequently for rectal than colon cancers, and particularly for stage C. Among stage C rectal cases below 70 years, the proportion having radiotherapy increased from 10% in 1980-1986 to 57% in 1995-2002. Approximately 93% of colorectal cancers were treated surgically. Patients not treated surgically tended to be aged 80 years or more and to present with distant metastases. CONCLUSIONS: Trends in chemotherapy and radiotherapy accord with evidence-based recommendations. There have been reassuring gains in survivals after adjusting for stage, grade and other prognostic indicators. The data show survival gains and treatment patterns that individual hospitals can use as benchmarks when evaluating their own experience.


Subject(s)
Colorectal Neoplasms/therapy , Aged , Colonic Neoplasms/mortality , Colonic Neoplasms/therapy , Female , Humans , Male , Rectal Neoplasms/mortality , Rectal Neoplasms/therapy , South Australia , Survival Analysis , Treatment Outcome
11.
Int J Clin Pract ; 58(2): 201-6, 2004 Feb.
Article in English | MEDLINE | ID: mdl-15055869

ABSTRACT

Aprepitant is an oral neurokinin-1 receptor antagonist which acts centrally to block chemotherapy-induced emesis. Its main pathway of elimination is by the cytochrome p450 isozyme CYP3A4, which is the basis for drug interactions with dexamethasone and oral contraceptives. Aprepitant is well tolerated, and phase II trials in high-dose cisplatin-induced emesis showed that it is most effective when 125 mg orally is added to a 5-hydroxytryptamine-3 receptor antagonist and dexamethasone for acute emesis and then an 80 mg oral dose continued with dexamethasone on days 2 and 3 to prevent delayed emesis. Two pivotal phase III trials enrolling a total of 1099 patients showed that the complete control of emesis improved by 20% in patients receiving aprepitant as compared with standard therapy, with the most impressive differences being in delayed emesis. Control was maintained over multiple cycles and occurred in both males and females and young and old adults.


Subject(s)
Antiemetics/administration & dosage , Antineoplastic Agents/adverse effects , Morpholines/administration & dosage , Vomiting/prevention & control , Aprepitant , Clinical Trials as Topic , Drug Therapy, Combination , Female , Humans , Male , Substance P/therapeutic use , Tomography, Emission-Computed/methods , Vomiting/chemically induced
12.
J Palliat Med ; 6(1): 59-68, 2003 Feb.
Article in English | MEDLINE | ID: mdl-12710576

ABSTRACT

Patients' perceptions regarding Good Palliative Care (GPC) orders, a form of advance directives, were sought, and issues inherent in their promotion as policy were identified. Semi-structured interviews with 23 oncology-clinic outpatients, focused on end-of-life decision making, were tape-recorded, transcribed, and analyzed using discursive-analytical techniques. Most patients were unfamiliar with the term GPC orders, preferring the familiar "do-not-resuscitate" orders. GPC orders were negatively perceived as vague, beyond the individual's control, implying dependency on others, and failing to reduce suffering. Positive perceptions of GPC orders saw them as counteracting the impersonality of medical procedure and asserting the value of the whole patient within a social context. Participants' comments on a draft copy of a GPC order form suggest that they view consultation as beneficial, but that a standardized form may be impersonal and inappropriate. The structure and content of the GPC order form constitute it as a quasilegal document that may confuse and disempower patients, and function to protect the interests of the medical profession in the guise of promoting patient autonomy. The potential benefits attributed to GPC orders are achievable without the adoption of a blanket policy that depersonalizes and bureaucratizes the dying process, and may be less than sensitive to individual patients' needs.


Subject(s)
Advance Directives , Neoplasms/therapy , Palliative Care/standards , Patient Satisfaction , Australia , Decision Making , Depersonalization , Ethics Committees , Forms and Records Control , Health Services Research , Humans , Interviews as Topic , Neoplasms/nursing , Organizational Policy , Palliative Care/ethics , Right to Die
13.
Lung Cancer ; 32(1): 89-94, 2001 Apr.
Article in English | MEDLINE | ID: mdl-11282433

ABSTRACT

The combination of paclitaxel and etoposide was evaluated in a phase II study in patients with locally advanced or metastatic non small-cell lung cancer (NSCLC). Thirty-five patients, median age 61, received treatment with paclitaxel 200 mg/m (2) intravenous over 3 h on day 1, and oral etoposide, 100 mg daily on days 1-5. Cycles were repeated every 21 days for a maximum of nine cycles, or until progression occurred. Twenty-eight patients had stage IV disease, and seven patients had stage IIIA or B disease. There was one complete and seven partial responses (overall response rate, 23%). Two of these responses were in patients with stage III disease (29%) and six in patients with stage IV disease (21%). Median survival was 8.7 months, and 36% of patients were alive at 1 year. There were no treatment-related deaths and little grade 3 or 4 non-haematological toxicity although grade 3 or 4 neutropenia occurred in 60% of patients (33% of cycles). There were four episodes of febrile neutropenia. The combination of paclitaxel and oral etoposide is active in advanced NSCLC and can be delivered with acceptable toxicity.


Subject(s)
Carcinoma, Non-Small-Cell Lung/drug therapy , Carcinoma, Non-Small-Cell Lung/pathology , Etoposide/therapeutic use , Lung Neoplasms/drug therapy , Lung Neoplasms/pathology , Paclitaxel/therapeutic use , Administration, Oral , Adult , Aged , Carcinoma, Non-Small-Cell Lung/mortality , Carcinoma, Non-Small-Cell Lung/secondary , Etoposide/administration & dosage , Etoposide/adverse effects , Female , Humans , Lung Neoplasms/mortality , Male , Middle Aged , Neoplasm Metastasis , Neoplasm Staging , Paclitaxel/adverse effects , Survival Analysis , Treatment Outcome
14.
Lancet ; 357(9258): 739-45, 2001 Mar 10.
Article in English | MEDLINE | ID: mdl-11253966

ABSTRACT

BACKGROUND: Most patients with metastatic germ-cell tumours are cured with chemotherapy. However, the optimum chemotherapy regimen is uncertain, and there is variation in international practice. We did a multicentre randomised trial to compare two standard chemotherapy regimens for men with good-prognosis germ-cell tumours. METHODS: Good prognosis was defined by modified Memorial Sloan-Kettering criteria. The first regimen (regimen A) was based on treatment recommendations from Indiana University and comprised three cycles of 20 mg/m2 cisplatin on days 1-5, 100 mg/m2 etoposide on days 1-5, and 30 kU bleomycin on days 1, 8, and 15, repeated every 21 days. The second regimen (regimen B) was based on the control regimen of a published randomised clinical trial and comprised four cycles of 100 mg/m2 cisplatin on day 1, 120 mg/m2 etoposide on days 1-3, and 30 kU bleomycin on day 1, repeated every 21 days. The primary outcome measure was overall survival. Analysis was by intention to treat. FINDINGS: 166 patients were randomised, 83 to each regimen. The trial was stopped when the second planned interim analysis met predefined stopping rules. The median follow-up was 33 months. Overall survival was substantially better with regimen A (three vs 13 deaths, hazard ratio 0.22 [95% CI 0.06-0.77], p=0.008). This difference was due to deaths from cancer (one vs nine), and not deaths from treatment (two vs two) and remained significant after adjustment for other prognostic factors (0.25 [0.07-0.88], p=0.03). INTERPRETATION: In men with good-prognosis germ-cell tumours, the regimen developed at Indiana University is superior to the alternative regimen studied in this trial. The lower total dose and dose-intensity of bleomycin and the lower dose-intensity of etoposide in regimen B could be responsible for the worse outcome.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Germinoma/drug therapy , Germinoma/secondary , Testicular Neoplasms/pathology , Adolescent , Adult , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Bleomycin/administration & dosage , Cisplatin/administration & dosage , Disease-Free Survival , Drug Administration Schedule , Etoposide/administration & dosage , Germinoma/mortality , Humans , Male , Middle Aged , Prognosis , Retroperitoneal Neoplasms/pathology , Survival Rate
15.
Cancer Chemother Pharmacol ; 46(4): 338-41, 2000.
Article in English | MEDLINE | ID: mdl-11052632

ABSTRACT

PURPOSE: This phase I study aimed to establish the dose for phase II trials of a dose-intense outpatient regimen of ambulatory carboplatin and oral etoposide. PATIENTS AND METHODS: Cohorts of three patients received escalating doses of carboplatin 15, 20, and 23 mg/m2/day as a 3-week continuous ambulatory infusion with oral etoposide initially at 50 mg/day. Patients entered had prostate, colon, head and neck, breast, unknown primary cancers and mesothelioma. RESULTS: At 23 mg/m2 of carboplatin, two patients had WHO grade 3 lethargy and myelosuppression, which were the dose-limiting toxicities. Six patients were entered at the dose recommended for phase II studies, carboplatin 20 mg/ m2/day and etoposide 50 mg/day for 21 days repeated every 6 weeks. This was well tolerated except for one patient with multiple bone metastases from prostate cancer experiencing grade 4 myelosuppression and a single patient with grade 3 constipation. Seven patients with hormone-resistant prostate cancer were entered into the study, one at 15 mg/m2, four at 20 mg/m2 and two at 23 mg/m2 of carboplatin, and received a median of four cycles of treatment. The only responses were seen in prostate cancer where there were two partial responses in patients with soft tissue predominant disease. Five patients who could be evaluated with initially elevated PSA exhibited falls of > or 50% after receiving the chemotherapy. All but one patient with prostate cancer experienced significant reduction in pain levels. The median time to progression of the patients with prostate cancer was 4 months. CONCLUSIONS: Ambulatory infusion carboplatin and oral etoposide is a tolerable dose-intense outpatient regimen which warrants further testing in phase II trials including hormone-resistant prostate cancer.


Subject(s)
Antineoplastic Agents, Phytogenic/therapeutic use , Antineoplastic Agents/administration & dosage , Antineoplastic Agents/therapeutic use , Carboplatin/administration & dosage , Carboplatin/therapeutic use , Etoposide/therapeutic use , Prostatic Neoplasms/drug therapy , Adult , Aged , Antineoplastic Agents/adverse effects , Carboplatin/adverse effects , Drug Therapy, Combination , Humans , Infusions, Intravenous , Male , Middle Aged , Neoplasm Metastasis/pathology , Pain/drug therapy , Pain/etiology , Treatment Outcome
17.
Telemed J ; 6(2): 213-8, 2000.
Article in English | MEDLINE | ID: mdl-10957733

ABSTRACT

The videoconferencing link between the Royal Adelaide Hospital Cancer Centre in South Australia and the Royal Darwin Hospital in the Northern Territory was established to allow Darwin clinicians to discuss cases in multidisciplinary oncology meetings at the tertiary referral center. This was evaluated by questionnaires distributed to the 20 health professionals involved and a group of 8 patients with breast cancer whose case histories had been discussed via videoconferencing. All clinicians found the telemedicine link to be either useful or very useful in at least one aspect of their practice. The major benefit was cited as enabling remote area clinicians to participate in multidisciplinary cancer meetings. Three of the 5 remote clinicians who practiced solely in the Northern Territory found that the telemedicine consultation increased their workload, while only 2 of 13 clinicians who practiced solely in South Australia reported an increase over their normal activities, the others reporting no difference. Benefits identified included better support of isolated clinicians, decreased travel, and enhanced education and peer review. Perceived difficulties were technical problems, the impersonal nature of the interaction, inability to examine the remote patient and lack of reimbursement for the consultation. Seven of the eight patients surveyed were satisfied or very satisfied with the telemedicine consultation. Four patients wished to have access to videotape of the multidisciplinary meeting. Of those requiring travel for treatment, all believed that the telemedicine consultation influenced their care and shortened their time away from home.


Subject(s)
Neoplasms/therapy , Patient Care Team , Remote Consultation , Adult , Attitude of Health Personnel , Female , Humans , Male , Middle Aged , Neoplasms/diagnosis , Workload
18.
Eur J Biochem ; 267(17): 5330-41, 2000 Sep.
Article in English | MEDLINE | ID: mdl-10951191

ABSTRACT

Seventeen aurein peptides are present in the secretion from the granular dorsal glands of the Green and Golden Bell Frog Litoria aurea, and 16 from the corresponding secretion of the related Southern Bell Frog L. raniformis. Ten of these peptides are common to both species. Thirteen of the aurein peptides show wide-spectrum antibiotic and anticancer activity. These peptides are named in three groups (aureins 1-3) according to their sequences. Amongst the more active peptides are aurein 1.2 (GLFDIIKKIAESF-NH2), aurein 2.2 (GLFDIVKKVVGALGSL-NH2) and aurein 3.1 (GLFDIVKKIAGHIAGSI-NH2). Both L. aurea and L. raniformis have endoproteases that deactivate the major membrane-active aurein peptides by removing residues from both the N- and C-termini of the peptides. The most abundant degradation products have two residues missing from the N-terminal end of the peptide. The solution structure of the basic peptide, aurein 1.2, has been determined by NMR spectroscopy to be an amphipathic alpha-helix with well-defined hydrophilic and hydrophobic regions. Certain of the aurein peptides (e.g. aureins 1.2 and 3.1) show anticancer activity in the NCI test regime, with LC50 values in the 10-5-10-4 M range. The aurein 1 peptides have only 13 amino-acid residues: these are the smallest antibiotic and anticancer active peptides yet reported from an anuran. The longer aurein 4 and 5 peptides, e.g. aurein 4.1 (GLIQTIKEKLKELAGGLVTGIQS-OH) and aurein 5. 1 (GLLDIVTGLLGNLIVDVLKPKTPAS-OH) show neither antibacterial nor anticancer activity.


Subject(s)
Anti-Bacterial Agents/isolation & purification , Antineoplastic Agents/isolation & purification , Peptides , Amino Acid Sequence , Animals , Anti-Bacterial Agents/chemistry , Antineoplastic Agents/chemistry , Anura , Chromatography, High Pressure Liquid , Drug Screening Assays, Antitumor , Magnetic Resonance Spectroscopy , Mass Spectrometry , Microbial Sensitivity Tests , Molecular Sequence Data , Protein Conformation
19.
Cancer Chemother Pharmacol ; 45(1): 55-8, 2000.
Article in English | MEDLINE | ID: mdl-10647502

ABSTRACT

This study investigated the pharmacokinetics and activity of gallium nitrate in non-small cell lung cancer when 700 mg/m2 was given as a 30-min infusion with prehydration every 2 weeks. Gallium was measured in plasma and urine using flameless atomic absorption spectrophotometry, and pharmacokinetics of total and ultrafilterable gallium were calculated. Twenty-five patients with non-small cell lung cancer received 1-12 (median 2) courses of gallium nitrate every 2 weeks. Of 21 patients evaluable for response, 1 partial response was recorded, 4 patients had stable disease. and 16 had progressed. The most serious toxicities were renal impairment and optic neuritis. Hypocalcaemia was recorded in 3 patients. The mean C(max) was 15.2 +/- 3.1 microg/ ml (range 9.5-21.2). Most gallium remained ultrafilterable for the first 10 h, after which plasma protein binding increased, and at 48 h only 11% was present as ultrafilterable gallium. The elimination profiles of both total and ultrafilterable gallium were biphasic, and the distribution phase consisted of ultrafilterable gallium, with a distribution half-life of 1.4 h. Total gallium plateaued at 1.9 microg/ml at between 8 and 12 h, and the estimated elimination half-life was 63 h. The elimination half-life of ultrafilterable gallium was 16.5 h. Inter- and intra-patient variability in pharmacokinetics was minimal. A mean of 50 +/- 14% of the gallium dose was excreted in the urine within 48 h. A short infusion of gallium nitrate achieving high peak plasma concentrations results in little efficacy in non-small cell lung cancer.


Subject(s)
Antineoplastic Agents/pharmacokinetics , Carcinoma, Non-Small-Cell Lung/drug therapy , Gallium/pharmacokinetics , Lung Neoplasms/drug therapy , Adult , Aged , Female , Gallium/therapeutic use , Humans , Male , Middle Aged , Transferrin/metabolism
20.
J Clin Oncol ; 17(8): 2355-64, 1999 Aug.
Article in English | MEDLINE | ID: mdl-10561297

ABSTRACT

PURPOSE: To determine the place of single-agent paclitaxel compared with nonanthracycline combination chemotherapy as front-line therapy in metastatic breast cancer. PATIENTS AND METHODS: Patients with previously untreated metastatic breast cancer were randomized to receive either paclitaxel 200 mg/m(2) intravenously (IV) over 3 hours for eight cycles (24 weeks) or standard cyclophosphamide 100 mg/m(2)/d orally on days 1 to 14, methotrexate 40 mg/m(2) IV on days 1 and 8, fluorouracil 600 mg/m(2) IV on days 1 and 8, and prednisone 40 mg/m(2)/d orally on days 1 to 14 (CMFP) for six cycles (24 weeks) with epirubicin recommended as second-line therapy. RESULTS: A total of 209 eligible patients were randomized with a median survival duration of 17.3 months for paclitaxel and 13.9 months for CMFP. Multivariate analysis showed that patients who received paclitaxel survived significantly longer than those who received CMFP (P =.025). Paclitaxel produced significantly less severe leukopenia, thrombocytopenia, mucositis, documented infections (all P <.001), nausea or vomiting (P =.003), and fever without documented infection (P =.007), and less hospitalization for febrile neutropenia than did CMFP (P =.001). Alopecia, peripheral neuropathy, and myalgia or arthralgia were more severe with paclitaxel (all P <.0001). Overall, quality of life was similar for both treatments (P > = .07). CONCLUSION: Initial paclitaxel was associated with significantly less myelosuppression and fewer infections, with longer survival and similar quality of life and control of metastatic breast cancer compared with CMFP.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Breast Neoplasms/drug therapy , Breast Neoplasms/pathology , Paclitaxel/therapeutic use , Adult , Aged , Analysis of Variance , Antineoplastic Combined Chemotherapy Protocols/adverse effects , Breast Neoplasms/secondary , Cyclophosphamide/administration & dosage , Cyclophosphamide/adverse effects , Disease-Free Survival , Drug Administration Schedule , Female , Fluorouracil/administration & dosage , Fluorouracil/adverse effects , Humans , Methotrexate/administration & dosage , Methotrexate/adverse effects , Middle Aged , Neutropenia/chemically induced , Paclitaxel/administration & dosage , Paclitaxel/adverse effects , Prednisone/administration & dosage , Prednisone/adverse effects , Quality of Life
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