Critical Reviews in Oncology/Hematology 85 (2013) 21–31 Allogeneic stem cell transplantation for advanced primary cutaneous T-cell lymphoma: A systematic review M. Schlaak a,∗,1 , S. Theurich b,1 , J. Pickenhain a , N. Skoetz c , P. Kurschat a,2 , M. von Bergwelt-Baildon b,2 a Department of Dermatology and Venerology, Skin Cancer Center and Center for Integrated Oncology (CIO Köln Bonn), University Hospital of Cologne, Cologne, Germany b Department I of Internal Medicine, Stem Cell Transplantation Program and Center for Integrated Oncology (CIO Köln Bonn), University Hospital of Cologne, Cologne, Germany c Cochrane Haematological Malignancies Group, Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany Accepted 12 June 2012 Contents 1. Introduction ........................................................................................................... 22 1.1. Description of the intervention .................................................................................... 22 1.2. How the intervention might work ................................................................................. 23 2. Material and methods .................................................................................................. 23 2.1. Criteria for considering studies for this review ...................................................................... 23 2.1.1. Types of studies ......................................................................................... 23 2.1.2. Types of participants .................................................................................... 23 2.1.3. Types of interventions ................................................................................... 23 2.1.4. Types of outcome measures .............................................................................. 23 2.2. Search methods for identification of studies ........................................................................ 23 2.2.1. Electronic searches ...................................................................................... 23 2.2.2. Searching other resources ................................................................................ 24 2.3. Data collection and analysis ...................................................................................... 24 2.3.1. Selection of studies ...................................................................................... 24 2.4. Data extraction and management .................................................................................. 24 2.4.1. Assessment of risk of bias in included studies .............................................................. 24 2.4.2. Measures of treatment effect ............................................................................. 24 2.4.3. Dealing with missing data ................................................................................ 24 2.4.4. Assessment of heterogeneity ............................................................................. 24 2.4.5. Assessment of reporting biases ........................................................................... 24 2.4.6. Data synthesis .......................................................................................... 24 2.4.7. Subgroup analysis and investigation of heterogeneity ....................................................... 24 2.4.8. Sensitivity analysis ...................................................................................... 24 3. Results ............................................................................................................... 24 3.1. Search results and description of studies ........................................................................... 24 3.2. Included studies ................................................................................................. 25 3.3. Excluded studies ................................................................................................ 25 4. Discussion ............................................................................................................ 25 ∗ Corresponding author at: Department of Dermatology and Venerology, Skin Cancer Center, University Hospital of Cologne, Kerpener Str. 62, 50937 Cologne, Germany. Tel.: +49 221 478 97468; fax: +49 221 478 97628. E-mail address: max.schlaak@uk-koeln.de (M. Schlaak). 1 These authors contributed equally to this work. 2 These authors contributed equally to this work. 1040-8428/$ – see front matter © 2012 Elsevier Ireland Ltd. All rights reserved. http://dx.doi.org/10.1016/j.critrevonc.2012.06.002