Comparison of Pixantrone + Rituximab With Gemcitabine + Rituximab in Patients With Aggressive B-cell Non-Hodgkin Lymphoma or Follicular Grade 3 Lymphoma Who Have Relapsed After Therapy and Are Not Eligible for Stem Cell Transplant

Hanusch Hospital, Department of Internal Medicine III, Vienna

Saint Luc University Hospital, Department of Hematology, Brussels

"MHAT Tokuda Hospital Sofia, Hematology Clinic", Sofia

"University Multiprofile Hospital for Active Treatment Sveti Ivan Rilski, Department of Clinical Hematology", Sofia

Specialized Hospital For Active Treatment Of Hematological Diseases, Sofia, Clinical Hematology Clinic, Sofia

General Hospital Turnhout, Hematology Department, Turnhout

MHAT Hristo Botev, Vratsa, First Department of Internal Medicine, Vratsa

University Hospital Martin, Department of Hematology and Transfusiology, Martin

"UMHAT Sveti Georgi, Plovdiv, Clinical Hematology Clinic", Plovdiv

"UMHAT Sveti Georgi, Plovdiv, Department of Medical Oncology", Plovdiv

Hospital Elisabethinen Linz, Internal Department 1 - Hemato-Oncology, Linz

Santa Maria Hospital, Terni

Medical University Innsbruck, Department of Internal Medicine V (Hematology and Oncology), Innsbruck

Moritz Kaposi General Hospital, Kaposvár

General Hospital Delta, Hematology Department, Roeselare

Aalborg University Hospital, Department of Hematology, Aalborg

University Hospital Kralovske Vinohrady, Department of Clinical Hematology, Prague

A.O.U. Città della Salute e della Scienza di Torino, Torino

Hospital Iniversitario Puerta del Mar, Cadiz

North Shore Hematology/Oncology Associates, East Setauket

A Coruña University Hospital, A Coruña

Institut Català de Oncologia (ICO), Hospital Dr Trueta, Girona

Cherkasy Regional Oncology Center, Regional Treatment and Diagnostic Hematology Center, Cherkasy

State Medical Institution: Republican Hospital named after V.A. Baranov, Petrozavodsk

Fox Chase Cancer Center, Philadelphia

George Washington University Department of Medicine, Washington D.C.

Center for Cancer and Blood Disorders, PC, Bethesda

Harry and Jeanette Weinberg Cancer Institute at Franklin Square, Baltimore

Blue Ridge Cancer Care, Roanoke

Hospital Iniversitario La Paz, Madrid

Upstate Oncology Associates, Greenville

South Carolina Cancer Specialists, Hilton Head Island

South Carolina Cancer Specialists, Hardeeville

Integrated Community Oncology Network, Orange Park

Integrated Community Oncology Network-St. Vincent's, Jacksonville

Integrated Community Oncology Network-Southside, Jacksonville

Polyclinique de Bordeaux nord Acquitaine, Bordeaux

Centre hospitalier de Beziers, Béziers

Bologna University Hospital Authority St. Orsola-Malpighi Polyclinic, Bologna

Baptist Hospital East, Louisville

Toledo Clinical Cancer Center, Toledo

Mercy Cancer Center at St. Anne's, Toledo

Toledo Clinic Cancer Center-Toledo, Toledo

Gabrail Cancer Center, Dover

Gabrail Cancer Center, Canton

Scientific Institute of Romagna for the Study and Treatment of Cancer (I.R.S.T.) S.R.L., Meldola

"Romagna Local Health Authority (AUSL Romagna) - Infermi Hospital", Rimini

"Romagna Local Health Authority (AUSL Romagna) - Santa Maria delle Croci", Ravenna

Cancer & Hematology Center of Western Michigan, Grand Rapids

Universitätsklinik Köln, Cologne

Siena University Hospital Authority Santa Maria alle Scotte Polyclinic, Siena

Klinikum Mutterhaus der Borromäerinnen, Trier

Saint Vincent Hospital Green Bay Oncology, Green Bay

Green Bay Oncology-St. Mary's Hospital MC, Green Bay

Metro Minnesota CCOP-Regions Hospital, Saint Paul

Metro Minnesota CCOP-St. Johns, Maplewood

Metro Minnesota Community Clinical Oncology Program, Saint Louis Park

Metro Minnesota Community Clinical Oncology Program, Saint Louis Park

Metro Minnesota CCOP-Unity Hospital, Fridley

St. Marien Hospital Hamm, Hamm

Kharkiv Regional Clinical Oncology Center, Kharkiv

Carle Cancer Center, Urbana

Carle Physician Group, Danville

Carle Foundation Physician Services, Mattoon

Crossroads Cancer Center, Effingham

University Hospital Brno, Clinic of Internal Medicine - Hematology and Oncology, Brno

Cancer Care Specialists of Central Illinois, Decatur

Gemeinschaftspraxis Drs. Klausmann, Aschaffenburg

Centre hopitalier de la cote basque, Bayonne

Missouri Cancer Associates, Columbia

Klinik für Innere Medizin III, Frankfurt (a.M.)

Cancer Center of Kansas, Wichita

Cancer Center of Kansas, Wichita

Nebraska Hematology-Oncology, PC, Lincoln

Centre hospitalier Lyon Sud, Pierre-Bénite

"University Hospital Ospedali Riuniti Umberto I - G.M. Lancisi - G. Salesi", Ancona

University Hospital Ostrava, Institute of Clinical Hematology, Ostrava

Centre hospitalier du Mans, Le Mans

Highlands Oncology Group, Fayetteville

Highlands Oncology Group, Bentonville

Cancer Care Centers of South Texas-HOAST, New Braunfels

Cancer Care Centers of South Texas-HOAST, San Antonio

State Institution: Institute of Blood Pathology and Transfusion Medicine, Lviv

Joe Arrington Cancer Research and Treatment Center, Lubbock

Rocky Mountain Cancer Centers, Aurora

Service d'hématologie clinique, Avenue Laennec Salouel, Amiens

Rocky Mountain Cancer Centers, Denver

Rocky Mountain Cancer Centers, Boulder

National Cancer Institute, Department of Hematology and Transfusiology, Bratislava

Arizona Clinical Research Center, Tucson

Arizona Oncology Associates, Tucson

"Ospedali Riuniti Villa Sofia-Cervello Hospital", Palermo

Klinikum Nürnberg Nord, Nuremberg

Northwest Cancer Specialists, PC, Tualatin

Hautepierre Hospital, Department of Hematology and Oncology, Strasbourg

Northwest Cancer Specialists, PC, Portland

Northwest Cancer Specialists, PC, Portland

Northwest Cancer Specialists, PC, Vancouver

Northwest Cancer Specialists, PC, Vancouver

Federal State Public Institution: Main Military Clinical Hospital n.a. N.N. Burdenko of the Russian Ministry of Defense, Moscow

St. Petersburg Clinical Research and Practical Center for Specialized Types of Medical Care, Saint Petersburg

State Healthcare Institution: Republican Clinical Oncology Center, Ufa

State Budget Healthcare Institution of Sverdlovsk region: Sverdlovsk Regional Clinical Hospital #1, Yekaterinburg

Hematology-Oncology Associates of Northern New Jersey, Morristown

University Hospital Hradec Kralove, 4th Department of Internal Medicne, Clinical Hematology, Hradec Králové

General University Hospital in Prague, 1st Department of Internal Medicine - Department of Hematology, Prague

Saint Quentin Hospital Center, Department of Oncology-Hematology, Saint-Quentin

Rapid Diagnosis Polyclinic SA, Brasov

Moscow State Budget Medical Institution: City Clinical Hospital n.a. S.P.Botkin, Moscow

Klinikum Chemnitz gGmbH, Chemnitz

Universitaetsklinikum Halle, Halle

St. Istvan and St. Laszlo Hospital of Budapest, Budapest

University of Debrecen, Debrecen

Independent Public Healthcare Facility Municipal Hospital Group, Chorzów

Marine Hospital of Polish Red Cross, Department of Chemotheraphy, Gdynia

Silesia Medical University, Department of Hematology and Bone Marrow Transplantation, Katowice

Malopolskie Medical Center S.C. , Department of Hematology, Krakow

Nicolaus Copernicus Memorial Provincial Specialist Hospital in Lodz, Lodz

Oncology Center of Lublin Land, Department of Clinical Oncology, Lublin

Institute of Hematology and Transfusion Medicine, Clinic of Hematology, Warsaw

Wroclaw Medical University, Department and Clinic of Hematology, Blood Neoplasms and Bone Marrow Transplantation, Wroclaw

Fundeni Clinical Institute Center for Hematology and Bone Marrow Transplantation, Bucharest

Bucharest University Emergency Hospital, Hematology Clinic, Bucharest

University Hospital with Outpatient Clinic F.D. Roosevelt Banska Bystrica, Department of Hematology, Banská Bystrica

J. A. Reiman University Hospital with Polyclinic in Presov, Prešov

Hospital Universitario Vall Hebrón, Barcelona

Hospital Universitario Araba, Vitoria-Gasteiz

National Institute of Cancer, Kyiv

Beatson West of Scotland Cancer Center, Glasgow

St. George's Healthcare NHS Trust, London

Christie Hospital, Department of Medical Oncology, Manchester