Antonis Valachis

Summary

Publications

  1. doi request reprint Lack of evidence for fracture prevention in early breast cancer bisphosphonate trials: a meta-analysis
    Antonis Valachis
    PACMeR Medical Oncology and Obstetrics and Gynaecology, Lamia, Greece
    Gynecol Oncol 117:139-45. 2010
  2. doi request reprint Partial breast irradiation or whole breast radiotherapy for early breast cancer: a meta-analysis of randomized controlled trials
    Antonis Valachis
    Department of Medical Oncology, University General Hospital of Heraklion, Greece
    Breast J 16:245-51. 2010
  3. doi request reprint Surgical management of breast cancer in BRCA-mutation carriers: a systematic review and meta-analysis
    Antonis Valachis
    Department of Oncology, Malarsjukhuset, 63188, Eskilstuna, Sweden
    Breast Cancer Res Treat 144:443-55. 2014
  4. pmc Adjuvant therapy with zoledronic acid in patients with breast cancer: a systematic review and meta-analysis
    Antonis Valachis
    Department of Oncology, General Hospital of Eskilstuna, Eskilstuna, Sweden
    Oncologist 18:353-61. 2013
  5. doi request reprint High versus low radioiodine activity in patients with differentiated thyroid cancer: a meta-analysis
    Antonis Valachis
    Department of Oncology, Malarsjukhuset, Eskilstuna, Sweden
    Acta Oncol 52:1055-61. 2013
  6. doi request reprint Lapatinib, trastuzumab or the combination added to preoperative chemotherapy for breast cancer: a meta-analysis of randomized evidence
    Antonis Valachis
    University of Uppsala, Uppsala, Sweden
    Breast Cancer Res Treat 135:655-62. 2012
  7. doi request reprint Financial relationships in economic analyses of targeted therapies in oncology
    Antonis Valachis
    Karolinska Institutet, Stockholm, Sweden
    J Clin Oncol 30:1316-20. 2012
  8. pmc Time-trend of melanoma screening practice by primary care physicians: a meta-regression analysis
    Antonis Valachis
    PACMeR Panhellenic Association for Continual Medical Research, Athens, Greece
    Ups J Med Sci 114:32-40. 2009
  9. doi request reprint Safety of pregnancy after primary breast carcinoma in young women: a meta-analysis to overcome bias of healthy mother effect studies
    Antonis Valachis
    Onkologkliniken Sörmland, Malarsjukhuset, Central Hospital of Eskilstuna, Eskilstuna, Sweden
    Obstet Gynecol Surv 65:786-93. 2010
  10. ncbi request reprint Screening practice and misplaced priorities
    Davide Mauri
    Department of Medical Oncology, General Hospital of Lamia, Lamia, Greece
    Clin Transl Oncol 11:228-36. 2009

Detail Information

Publications21

  1. doi request reprint Lack of evidence for fracture prevention in early breast cancer bisphosphonate trials: a meta-analysis
    Antonis Valachis
    PACMeR Medical Oncology and Obstetrics and Gynaecology, Lamia, Greece
    Gynecol Oncol 117:139-45. 2010
    ..Our aim was to evaluate the fracture rate in breast cancer patients receiving adjuvant bisphosphonates compared with those receiving no treatment or placebo...
  2. doi request reprint Partial breast irradiation or whole breast radiotherapy for early breast cancer: a meta-analysis of randomized controlled trials
    Antonis Valachis
    Department of Medical Oncology, University General Hospital of Heraklion, Greece
    Breast J 16:245-51. 2010
    ..Partial breast irradiation does not seem to jeopardize survival and may be used as an alternative to whole breast-radiation. Nevertheless the issue of loco-regional recurrence needs to be further addressed...
  3. doi request reprint Surgical management of breast cancer in BRCA-mutation carriers: a systematic review and meta-analysis
    Antonis Valachis
    Department of Oncology, Malarsjukhuset, 63188, Eskilstuna, Sweden
    Breast Cancer Res Treat 144:443-55. 2014
    ..However, several aspects should be taken into account before the final decision-making. ..
  4. pmc Adjuvant therapy with zoledronic acid in patients with breast cancer: a systematic review and meta-analysis
    Antonis Valachis
    Department of Oncology, General Hospital of Eskilstuna, Eskilstuna, Sweden
    Oncologist 18:353-61. 2013
    ..The purpose of the study was to estimate the impact on survival and fracture rates of the use of zoledronic acid versus no use (or delayed use) in the adjuvant treatment of patients with early-stage (stages I-III) breast cancer...
  5. doi request reprint High versus low radioiodine activity in patients with differentiated thyroid cancer: a meta-analysis
    Antonis Valachis
    Department of Oncology, Malarsjukhuset, Eskilstuna, Sweden
    Acta Oncol 52:1055-61. 2013
    ..The purpose of the meta-analysis was to estimate the effectiveness and toxicity of low activity radioiodine ablation versus high activity in patients with differentiated thyroid cancer (DTC)...
  6. doi request reprint Lapatinib, trastuzumab or the combination added to preoperative chemotherapy for breast cancer: a meta-analysis of randomized evidence
    Antonis Valachis
    University of Uppsala, Uppsala, Sweden
    Breast Cancer Res Treat 135:655-62. 2012
    ..The direct comparison of trastuzumab and lapatinib showed that lapatinib is inferior in terms of pCR and associated with a higher risk for toxicity...
  7. doi request reprint Financial relationships in economic analyses of targeted therapies in oncology
    Antonis Valachis
    Karolinska Institutet, Stockholm, Sweden
    J Clin Oncol 30:1316-20. 2012
    ..The purpose of this study is to investigate whether there is an association between financial relationships and outcome in economic analyses of new targeted therapies in oncology...
  8. pmc Time-trend of melanoma screening practice by primary care physicians: a meta-regression analysis
    Antonis Valachis
    PACMeR Panhellenic Association for Continual Medical Research, Athens, Greece
    Ups J Med Sci 114:32-40. 2009
    ..To assess whether the proportion of primary care physicians implementing full body skin examination (FBSE) to screen for melanoma changed over time...
  9. doi request reprint Safety of pregnancy after primary breast carcinoma in young women: a meta-analysis to overcome bias of healthy mother effect studies
    Antonis Valachis
    Onkologkliniken Sörmland, Malarsjukhuset, Central Hospital of Eskilstuna, Eskilstuna, Sweden
    Obstet Gynecol Surv 65:786-93. 2010
    ..Furthermore, a healthy mother effect (HME) selection bias may be operative in most of these studies, because women undergoing childbearing after treatment were healthier when compared with the control group...
  10. ncbi request reprint Screening practice and misplaced priorities
    Davide Mauri
    Department of Medical Oncology, General Hospital of Lamia, Lamia, Greece
    Clin Transl Oncol 11:228-36. 2009
    ..To estimate cancer screening coverage among a large sample of Greek individuals...
  11. ncbi request reprint Does adjuvant bisphosphonate in early breast cancer modify the natural course of the disease? A meta-analysis of randomized controlled trials
    Davide Mauri
    Department of Medical Oncology, General Hospital of Lamia, Roditsa Lamias, TK 35100 Lamia, Greece
    J Natl Compr Canc Netw 8:279-86. 2010
    ..Until further evidence from new clinical trials becomes available, adjuvant bisphosphonates should not be recommended routinely...
  12. doi request reprint Overall survival benefit for weekly vs. three-weekly taxanes regimens in advanced breast cancer: A meta-analysis
    Davide Mauri
    Department of Medical Oncology, General Hospital of Lamia, Greece
    Cancer Treat Rev 36:69-74. 2010
    ..We therefore performed a meta-analysis of randomized controlled trials that compared weekly and every three weeks taxanes regimens in advanced breast cancer...
  13. doi request reprint Cardiac toxicity in breast cancer patients treated with dual HER2 blockade
    Antonis Valachis
    Department of Oncology, Malarsjukhuset, Eskilstuna, Sweden
    Int J Cancer 133:2245-52. 2013
    ..27, p-value= 0.17) while the OR of LVEF decline was 0.88 (95% CI: 0.53-1.48, p-value= 0.64). This meta-analysis provides evidence supporting comparable cardiac toxicity between anti-HER2 combination therapy and anti-HER2 monotherapy. ..
  14. doi request reprint Trastuzumab combined to neoadjuvant chemotherapy in patients with HER2-positive breast cancer: a systematic review and meta-analysis
    Antonis Valachis
    Department of Medical Oncology, University General Hospital of Heraklion, Crete, Greece
    Breast 20:485-90. 2011
    ..To perform a meta-analysis in order to quantify the actual cumulative randomized evidence for the benefit and toxicity of trastuzumab combined with neoadjuvant chemotherapy in HER2-positive breast cancer...
  15. pmc Obstetric outcomes after treatment of periodontal disease during pregnancy: systematic review and meta-analysis
    Nikolaos P Polyzos
    Section of Obstetrics and Gynaecology, Panhellenic Association for Continual Medical Research PACMeR, Athens, Greece
    BMJ 341:c7017. 2010
    ..To examine whether treatment of periodontal disease with scaling and root planing during pregnancy is associated with a reduction in the preterm birth rate...
  16. doi request reprint Osteonecrosis of the jaw and use of bisphosphonates in adjuvant breast cancer treatment: a meta-analysis
    Davide Mauri
    Department of Medical Oncology, General Hospital of Lamia, Lamia, Greece
    Breast Cancer Res Treat 116:433-9. 2009
    ..At current dosage, adjuvant use of bisphosphonates in breast cancer treatment is safe...
  17. doi request reprint Fulvestrant in the treatment of advanced breast cancer: a systematic review and meta-analysis of randomized controlled trials
    Antonis Valachis
    Department of Medical Oncology, University General Hospital of Heraklion, Greece
    Crit Rev Oncol Hematol 73:220-7. 2010
    ..To compare efficacy and tolerability of fulvestrant with aromatase inhibitors and tamoxifen that actually represent the standard of care in hormone-sensitive breast cancer...
  18. ncbi request reprint Responsibilities in cancer preventive care in Greece. A physicians' survey
    Georgios Zacharias
    PACMeR Panhellenic Association for Continual Medical Research, Section of Public Health, Athens, Greece
    Clin Transl Oncol 10:231-4. 2008
    ..We therefore hypothesised the presence of a belief-related bias among European physicians regarding who is responsible for cancer screening delivery...
  19. pmc Translational medicine and reliability of single-nucleotide polymorphism studies: can we believe in SNP reports or not?
    Antonis Valachis
    Onkologkliniken Sörmland, Malarsjukhuset, Eskilstuna, Sweden
    Int J Med Sci 8:492-500. 2011
    ..The number of genetic association studies is increasing exponentially. Nonetheless, genetic association reports are prone to potential biases which may influence the reported outcome...
  20. doi request reprint Cancer cachexia: global awareness and guideline implementation on the web
    Davide Mauri
    General Hospital of Lamia, Lamia, Greece
    BMJ Support Palliat Care 3:155-60. 2013
    ..Cancer cachexia is a common associate of cancer and has a negative impact on patients' survival. Nonetheless, cancer cachexia assessment and management are frequently less than satisfactory in daily practice...
  21. ncbi request reprint Aromatase inhibitors for female infertility: a systematic review of the literature
    Nikolaos P Polyzos
    PACMeR Panhellenic Association for Continual Medical Research, Section of Obstetrics and Gynaecology and Public Health, Athens 10438, Greece
    Reprod Biomed Online 19:456-71. 2009
    ..If solid data from future large adequately powered randomized trials support current evidence regarding efficacy and safety, AI might offer a new treatment choice for infertile women...