Research Topics
| T PowlesSummaryAffiliation: Barts and The London NHS Trust Country: UK Publications
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Detail Information
Publications
The long-term risks of adjuvant carboplatin treatment for stage I seminoma of the testisT Powles
Department of Medical Oncology, St Bartholomew s Hospital, London, UK
Ann Oncol 19:443-7. 2008..The use of adjuvant carboplatin in the management of stage I seminoma of the testis has been limited by the lack of long-term data. In this study, we address this issue for the first time...
Multicenter study of human immunodeficiency virus-related germ cell tumorsT Powles
Chelsea and Westminster Hospital, London, United Kingdom
J Clin Oncol 21:1922-7. 2003..After a median follow-up of 4.6 years, 9% of the patients died from GCT. Most of the mortality relates to HIV infection...
A phase II study using a topoisomerase I-based approach in patients with multiply relapsed germ-cell tumoursJ Shamash
The Department of Medical Oncology, St Bartholomew s Hospital, London, UK
Ann Oncol 18:925-30. 2007..We investigated the role of irinotecan, paclitaxel and oxaliplatin (IPO) followed by topotecan-based high-dose therapy in responding patients, in this patient population...
Malignant germ cell tumours in the elderly: a histopathological review of 50 cases in men aged 60 years or overDaniel M Berney
Department of Histopathology, Barts, The London School of Medicine and Dentistry, St Bartholomew s Hospital, West Smithfield, London, UK
Mod Pathol 21:54-9. 2008..We conclude that germ cell tumours, in man aged 60 years or above, present at a later stage than in younger men, and although most are seminomas, non-seminomatous tumours may occur with a wide spectrum of morphology...
Highly active antiretroviral therapy and the incidence of non-AIDS-defining cancers in people with HIV infectionThomas Powles
Department of Medical Oncology, St Bartholomew s Hospital, Little Brittain, London EC1A7BE, United Kingdom
J Clin Oncol 27:884-90. 2009..The effect of highly active antiretroviral therapy (HAART) on the incidence of non-AIDS-defining cancers (NADCs) is unclear...
Management of favorable-risk patients with metastatic renal cell carcinoma: when to start and when to stop targeted therapyThomas Powles
Barts Cancer Institute, Barts Experimental Cancer Medicine Centre, Bart and the London NHS Trust, London, United Kingdom Electronic address
Clin Genitourin Cancer 10:213-8. 2012..These include scenarios such as a mixed response to therapy. For selected patients at favorable risk, active surveillance may be feasible; however, strict monitoring is required...
Increased haematopoietic progenitor cells are associated with poor outcome in patients with metastatic renal cancer treated with sunitinibT Powles
Centre for Experimental Cancer Medicine, St Bartholomew s Hospital, London, UK
Ann Oncol 22:815-20. 2011..We investigate their expression in mRCC patients treated with sunitinib and correlate their expression with plasma growth factor levels [insulin-like growth factor (IGF)-1]...
The effect of sunitinib on immune subsets in metastatic clear cell renal cancerThomas Powles
St Bartholomew Hospital, London, UK
Urol Int 86:53-9. 2011..It is associated with leucopenia; however, its effects on specific immune cell subsets are unclear. Alterations in immune cell subsets may contribute to tumour progression...
Hepatocellular cancer in HIV-infected individuals: tomorrow's problem?Thomas Powles
St Bartholomew s Hospital, Department of Medical Oncology, London, UK
Expert Rev Anticancer Ther 6:1553-8. 2006..It also attempts to predict future areas of importance in the management of these patients in the era of highly active antiretroviral therapy...
Stage I nonseminomatous germ cell tumor of the testis: more questions than answers?Thomas Powles
St Bartholomew s Hospital, Barts and The London NHS Trust, Charterhouse Square, London EC1A7BE, UK
Hematol Oncol Clin North Am 25:517-27,viii. 2011..This article addresses the risks and benefits of each approach...
The safety and efficacy of sunitinib before planned nephrectomy in metastatic clear cell renal cancerT Powles
Department of Medical Oncology, St Bartholomew s Hospital
Ann Oncol 22:1041-7. 2011..The safety and efficacy of upfront sunitinib, before nephrectomy in metastatic clear cell renal cancer (mCRC), has not been prospectively evaluated...
A comparison of patients with relapsed and chemo-refractory gestational trophoblastic neoplasiaT Powles
Department of Medical Oncology, Charing Cross Gestational Trophoblastic Disease Centre, Hammersmith Hospitals Campus of Imperial College London, London, UK
Br J Cancer 96:732-7. 2007..01)). The outcome of patients with relapsed GTN is good. However, patients with primary chemo-refractory disease do poorly and novel therapies are required for this group of patients...
The role of immune suppression and HHV-8 in the increasing incidence of HIV-associated multicentric Castleman's diseaseT Powles
Department of Medical Oncology, Barts and the London Medical School, London, UK
Ann Oncol 20:775-9. 2009..In HIV cohorts with access to highly active antiretroviral therapy (HAART), the incidence of Kaposi's sarcoma (KS) is falling; however, the incidence of multicentric Castleman's disease (MCD) in HIV has not previously been described...
A multi-centre randomised phase III trial of Dexamethasone vs Dexamethasone and diethylstilbestrol in castration-resistant prostate cancer: immediate vs deferred DiethylstilbestrolJ Shamash
St Bartholomew s Hospital, 7th Floor, Gloucester House, Little Britain, UK
Br J Cancer 104:620-8. 2011....
Low-dose induction chemotherapy with Baby-BOP in patients with metastatic germ-cell tumours does not compromise outcome: a single-centre experienceS Gillessen
Department of Medical Oncology, St Bartholomew s Hospital, London, UK
Ann Oncol 21:1589-93. 2010..There is a lack of published data supporting its use. The data presented here specifically address this issue for the first time...
Head and neck cancer in patients with human immunodeficiency virus-1 infection: incidence, outcome and association with Epstein-Barr virusT Powles
Department of Oncology, Chelsea and Westminster Hospital, London, UK
J Laryngol Otol 118:207-12. 2004..All but one of the patients died of cancer with a median survival of 28 months. Head and neck cancer occurs more frequently in HIV. It is an aggressive disease and EBV may play a role in its pathogenesis...
An HIV-associated mediastinal germ cell tumour complicated by acute myeloid leukaemiaA M Young
Dept. of Oncology, Chelsea and Westminster Hospital, London, UK
J HIV Ther 12:68-71. 2007
Paclitaxel for anthracycline-resistant AIDS-related Kaposi's sarcoma: clinical and angiogenic correlationsJ Stebbing
Departments of Oncology and HIV Medicine, Chelsea and Westminster Hospital, London, UK
Ann Oncol 14:1660-6. 2003..Overall, clinical response in KS correlates poorly with known angiogenic cytokines...
Outcome in AIDS-related systemic non-Hodgkin lymphoma and leptomeningeal disease is not predicted by a CT brain scanC L Davies
Department of Oncology, Imperial College School of Science, Medicine and Technology, Chelsea and Westminster Hospital, London, United Kingdom
AJNR Am J Neuroradiol 28:1988-90. 2007..We investigated the utility of brain CT in determining the outcome of leptomeningeal disease, despite MR imaging being the gold standard...
GAMEC--a new intensive protocol for untreated poor prognosis and relapsed or refractory germ cell tumoursJ Shamash
Department of Medical Oncology, St Bartholomew s Hospital, London, UK
Br J Cancer 97:308-14. 2007..GAMEC is a novel intensive regimen for this group of patients producing encouraging responses, although with significant toxicity. For those in whom it fails, further therapy is still possible with durable responses being seen...
Sunitinib and other targeted therapies for renal cell carcinomaT Powles
Department of Medical Oncology, St Bartholomew s Hospital London, Barts and The London NHS Trust, Charterhouse Square, London, UK
Br J Cancer 104:741-5. 2011..Finally, we will describe the major areas of clinical research that will report over the next few years...
Fibroblast growth factor 2 regulates endothelial cell sensitivity to sunitinibJ C Welti
Tumour Angiogenesis Group, The Breakthrough Breast Cancer Research Centre, The Institute of Cancer Research, London, UK
Oncogene 30:1183-93. 2011..We suggest that therapeutic strategies designed to simultaneously target both VEGF and FGF2 signalling may prove more efficacious than sunitinib in renal cancer patients whose tumours express FGF2...
A phase II study investigating the re-induction of endocrine sensitivity following chemotherapy in androgen-independent prostate cancerJ Shamash
Department of Medical Oncology, St Bartholomew s Hospital, London, UK
Br J Cancer 98:22-4. 2008..0 months vs 3.7 months P=0.003). Eight out of 12 patients who did not respond to diethylstilbestrol before chemotherapy did so post chemotherapy. Re-induction of hormone sensitivity can occur after chemotherapy in AIPC...
Hepatocellular carcinoma, human immunodeficiency virus and viral hepatitis in the HAART eraDouglas C Macdonald
Chelsea and Westminster Hospital, London, United Kingdom
World J Gastroenterol 14:1657-63. 2008..Once HCC develops, there is growing evidence that HIV co-infection should not preclude conventional therapeutic strategies, including liver transplantation...
Phase I study of TNFalpha AutoVaccIne in patients with metastatic cancerA M Waterston
Department of Cancer Medicine, Faculty of Medicine, Imperial College School of Medicine, London, W12 0HS, UK
Cancer Immunol Immunother 54:848-57. 2005..However, since the antibodies were only able to cross-react with partly denatured TNFalpha, evaluation of safety and tumour responses to the TNFalpha vaccine was compromised...
Long-term follow-up of testicular cancer patients shows no predisposition to osteoporosisN Murugaesu
Department of Medical Oncology, St Bartholomew s Hospital, Gloucester House, West Smithfield, London, EC1A 7BE, UK
Osteoporos Int 20:1627-30. 2009..This study investigates the incidence of osteoporosis in 39 testis cancer patients with follow-up from 5 to 28 years. There was no increased incidence of osteoporosis. These initial data are reassuring but require further investigation...
Elevated LDH predicts poor outcome of recurrent germ cell tumours treated with dose dense chemotherapyMarco Gerlinger
Department of Medical Oncology, St Bartholomew s Hospital, Barts and the London School of Medicine and Dentistry, West Smithfield, London EC1A 7BE, UK
Eur J Cancer 46:2913-8. 2010..This study determines whether lactate dehydrogenase (LDH) or established prognostic models can predict the outcome of recurrent GCTs treated with dose dense cisplatin-based chemotherapy...
Non-AIDS-defining cancers in people with HIV infection: a sleeping giant?Thomas Powles
Department of Medical Oncology, St Bartholomew s Hospital, West Smithfield, London
J HIV Ther 11:57-60. 2006
The significance of the time interval between antecedent pregnancy and diagnosis of high-risk gestational trophoblastic tumoursT Powles
Charing Cross Gestational Trophoblastic Centre, London, UK
Br J Cancer 95:1145-7. 2006..The interval between antecedent pregnancy and diagnosis in high-risk GTT is of prognostic significance. This gives some insight into the pathogenesis of the disease...
The prognostic significance of transforming growth factors in human breast cancerP A Murray
Department of Medical Oncology, St Georges Hospital, London, UK
Br J Cancer 67:1408-12. 1993..018). EGFR levels did not predict for early relapse or survival. TGF alpha mRNA levels were measured in 104 patients, no correlation was seen tumour size, node status, Er status, or clinical outcome...
Overview of the main outcomes in breast-cancer prevention trialsJ Cuzick
Cancer Research UK, London, UK
Lancet 361:296-300. 2003..Early findings on the use of tamoxifen or raloxifene as prophylaxis against breast cancer have been mixed; we update available data and overview the combined results...
Microarray-based comparative genomic hybridisation of breast cancer patients receiving neoadjuvant chemotherapyJ Y Pierga
Breakthrough Breast Cancer Research Center, The Institute of Cancer Research, London, SW3 6JB, UK
Br J Cancer 96:341-51. 2007..2-11p15.5. The modest chemotherapy-driven genomic changes, despite profound loss of cell numbers, suggest that there is little therapeutic selection of resistant non-modal cell lineages...
Prostate cancer in HIV-positive individuals: what we know and what we don'tZoe Walters
Dept. of Medical Oncology, St Bartholomew's Hospital, London, UK
J HIV Ther 12:66-7. 2007
Effect of haemopoietic growth factors on cancer cell lines and their role in chemosensitivityWai Man Liu
New Drug Study Group, Barry Reed Oncology Laboratory, St Bartholomew s Hospital, London, UK
Oncogene 23:981-90. 2004..Conversely, our results also suggest that GFs are safe to use in chemotherapeutic regimens if the cancer cells do not overexpress the particular receptor...
HIV and the risk of lung cancerThomas Powles
J Clin Oncol 22:1348-9; author reply 1349-50. 2004
A comparison of the platinum analogues in bladder cancer cell linesThomas Powles
Barry Reed Oncology Laboratory, Department of Medical Oncology, St Bartholomew s Hospital, London, UK
Urol Int 79:67-72. 2007..Therefore, this study compares the efficacy of oxaliplatin with cisplatin and carboplatin, which are both used widely in this tumour type, in bladder cancer cell lines...
Neoadjuvant therapy followed by prostatectomy for clinically localized prostate cancerGuru Sonpavde
Genitourinary Oncology Program, U S Oncology Research, Houston, Texas, USA
Cancer 110:2628-39. 2007..Recent and ongoing studies of neoadjuvant therapy followed by prostatectomy were reviewed...
Germ-cell tumorsJonathan Shamash
N Engl J Med 357:1771-2; author reply 1773-4. 2007
HIV-associated Castleman's disease: from case reports to evidenceAlexandra Bazeos
J HIV Ther 12:61-2. 2007
