Fludarabine With or Without Cyclophosphamide in Treating Patients With Chronic Lymphocytic Leukemia

Memorial Sloan-Kettering Cancer Center, New York

New York Weill Cornell Cancer Center at Cornell University, New York

Mount Sinai Medical Center, NY, New York

Herbert Irving Comprehensive Cancer Center at Columbia University, New York

Albert Einstein Clinical Cancer Center, The Bronx

CCOP - North Shore University Hospital, Manhasset

North Shore University Hospital, Manhasset

Elmhurst Hospital Center, Elmhurst

Queens Cancer Center of Queens Hospital, Jamaica

Veterans Affairs Medical Center - Albany, Albany

University Hospital at State University of New York - Upstate Medical University, Syracuse

Veterans Affairs Medical Center - Syracuse, Syracuse

CCOP - Syracuse Hematology-Oncology Associates of Central New York, P.C., Syracuse

Veterans Affairs Medical Center - Buffalo, Buffalo

James P. Wilmot Cancer Center at University of Rochester Medical Center, Rochester

Western Pennsylvania Hospital, Pittsburgh

Hillman Cancer Center at University of Pittsburgh Cancer Institute, Pittsburgh

CCOP - MainLine Health, Wynnewood

CCOP - Christiana Care Health Services, Newark

Lombardi Cancer Center at Georgetown University Medical Center, Washington D.C.

MBCCOP - Howard University Cancer Center, Washington D.C.

Veterans Affairs Medical Center - Washington, DC, Washington D.C.

Marlene and Stewart Greenebaum Cancer Center, University of Maryland, Baltimore

Veterans Affairs Medical Center - Baltimore, Baltimore

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore

Martha Jefferson Hospital, Charlottesville

Virginia Oncology Associates - Norfolk, Norfolk

Oncology and Hematology Associates of Southwest Virginia, Inc., Roanoke

St. Mary's Medical Center, Huntington

Veterans Affairs Medical Center - Durham, Durham

Duke Comprehensive Cancer Center, Durham

NorthEast Oncology Associates, Concord

FirstHealth Moore Regional Hospital, Pinehurst

Veterans Affairs Medical Center - Asheville, Asheville

CCOP - Upstate Carolina, Spartanburg

Hollings Cancer Center at Medical University of South Carolina, Charleston

CCOP - Greenville, Greenville

Veterans Affairs Medical Center - Atlanta (Decatur), Decatur

Winship Cancer Institute of Emory University, Atlanta

Florida Hospital Cancer Institute, Orlando

Memorial Regional Hospital Comprehensive Cancer Center, Hollywood

CCOP - Mount Sinai Medical Center, Miami Beach

Broward General Medical Center, Fort Lauderdale

Palm Beach Cancer Institute, West Palm Beach

Northeast Alabama Regional Medical Center, Anniston

MBCCOP - Gulf Coast, Mobile

University of Tennessee Cancer Institute, Memphis

Danville Radiation Therapy Center, Memphis

Veterans Affairs Medical Center - Jackson, Jackson

Baptist Hospital East - Louisville, Louisville

CCOP - Columbus, Columbus

MetroHealth Medical Center, Cleveland

CCOP - Dayton, Dayton

CCOP - Northern Indiana CR Consortium, South Bend

Providence Cancer Institute at Providence Hospital, Southfield

Veterans Affairs Medical Center - Ann Arbor, Ann Arbor

CCOP - Michigan Cancer Research Consortium, Ann Arbor

Josephine Ford Cancer Center at Henry Ford Hospital, Detroit

Lakeland Cancer Care Center at Lakeland Hospital - St. Joseph, Saint Joseph

CCOP - Grand Rapids, Grand Rapids

Hematology Oncology Associates of the Quad Cities, Bettendorf

Genesis Medical Center, Davenport

CCOP - Marshfield Clinic Research Foundation, Marshfield

Ministry Medical Group - Northern Region, Rhinelander

CCOP - Metro-Minnesota, Saint Louis Park

Veterans Affairs Medical Center - Minneapolis, Minneapolis

University of Minnesota Cancer Center, Minneapolis

Mayo Clinic Cancer Center, Rochester

CCOP - Sioux Community Cancer Consortium, Sioux Falls

Veterans Affairs Medical Center - Fargo, Fargo

CCOP - Merit Care Hospital, Fargo

CCOP - Montana Cancer Consortium, Billings

Veterans Affairs Medical Center - Hines (Hines Junior VA Hospital), Hines

CCOP - Evanston, Evanston

West Suburban Center for Cancer Care, River Forest

Robert H. Lurie Comprehensive Cancer Center at Northwestern University, Chicago

MBCCOP - University of Illinois at Chicago, Chicago

Veterans Affairs Medical Center - Chicago (Westside Hospital), Chicago

Louis A. Weiss Memorial Hospital, Chicago

Saint Anthony Medical Center, Rockford

CCOP - Illinois Oncology Research Association, Peoria

CCOP - Carle Cancer Center, Urbana

CCOP - Central Illinois, Decatur

Barnes-Jewish Hospital, St Louis

St. Louis University Hospital Cancer Center, St Louis

Missouri Baptist Cancer Center, St Louis

CCOP - St. Louis-Cape Girardeau, St Louis

Veterans Affairs Medical Center - Kansas City, Kansas City

CCOP - Kansas City, Kansas City

Veterans Affairs Medical Center - Columbia (Truman Memorial), Columbia

Ellis Fischel Cancer Center at University of Missouri - Columbia, Columbia

CCOP - Cancer Research for the Ozarks, Springfield

Veterans Affairs Medical Center - Wichita, Wichita

MBCCOP - LSU Health Sciences Center, New Orleans

Tulane University School of Medicine, New Orleans

Veterans Affairs Medical Center - New Orleans, New Orleans

CCOP - Ochsner, New Orleans

Veterans Affairs Medical Center - Shreveport, Shreveport

University of Arkansas for Medical Sciences, Little Rock

Veterans Affairs Medical Center - Little Rock (McClellan), Little Rock

Oklahoma University Medical Center at University of Oklahoma Health Sciences Center, Oklahoma City

Veterans Affairs Medical Center - Oklahoma City, Oklahoma City

Veterans Affairs Medical Center - Dallas, Dallas

Medical City Dallas Hospital, Dallas

Simmons Cancer Center at University of Texas Southwestern Medical Center - Dallas, Dallas

Veterans Affairs Medical Center - Temple, Temple

CCOP - Scott and White Hospital, Temple

Veterans Affairs Medical Center - Houston, Houston

Veterans Affairs Medical Center - San Antonio (Murphy), San Antonio

Harrington Cancer Center, Amarillo

Veterans Affairs Medical Center - Amarillo, Amarillo

University of Colorado Cancer Center at University of Colorado Health Sciences Center, Aurora

Swedish Medical Center, Englewood

Sky Ridge Medical Center, Lone Tree

Porter Adventist Hospital, Denver

Presbyterian-St Luke's Medical Center, Denver

Rocky Mountain Cancer Centers - Rose, Denver

CCOP - Colorado Cancer Research Program, Incorporated, Denver

Rocky Mountain Cancer Centers, Thornton

Longmont United Hospital, Longmont

Penrose Cancer Center, Colorado Springs

St. Mary-Corwin Regional Medical Center, Pueblo

Veterans Affairs Medical Center - Salt Lake City, Salt Lake City

Veterans Affairs Medical Center - Phoenix (Carl T. Hayden), Phoenix

Veterans Affairs Medical Center - Tucson, Tucson

Arizona Cancer Center at University of Arizona Health Sciences Center, Tucson

MBCCOP - University of New Mexico HSC, Albuquerque

CCOP - Southern Nevada Cancer Research Foundation, Las Vegas

Veterans Affairs Medical Center - Las Vegas, Las Vegas

USC/Norris Comprehensive Cancer Center and Hospital, Los Angeles

Cedars-Sinai Comprehensive Cancer Center at Cedars-Sinai Medical Center, Los Angeles

Veterans Affairs Medical Center - San Diego, San Diego

Chao Family Comprehensive Cancer Center at University of California Irvine Cancer Center, Orange

Veterans Affairs Medical Center - San Francisco, San Francisco

David Grant Medical Center, Travis Air Force Base

Veterans Affairs Outpatient Clinic - Martinez, Martinez

CCOP - Santa Rosa Memorial Hospital, Santa Rosa

University of California Davis Cancer Center, Sacramento

MBCCOP - Hawaii, Honolulu

Veterans Affairs Medical Center - Portland, Portland

CCOP - Columbia River Oncology Program, Portland

CCOP - Virginia Mason Research Center, Seattle

Veterans Affairs Medical Center - Seattle, Seattle

Puget Sound Oncology Consortium, Seattle

University of Alabama at Birmingham Comprehensive Cancer Center, Birmingham

CCOP - Western Regional, Arizona, Phoenix

City of Hope Comprehensive Cancer Center, Duarte

Rebecca and John Moores UCSD Cancer Center, La Jolla

Jonsson Comprehensive Cancer Center, UCLA, Los Angeles

CCOP - Bay Area Tumor Institute, Oakland

Medical Center of Aurora - South Campus, Aurora

Boulder Community Hospital, Boulder

St. Joseph Hospital, Denver

Walter Reed Army Medical Center, Washington D.C.

H. Lee Moffitt Cancer Center and Research Institute, Tampa

CCOP - Atlanta Regional, Atlanta

Veterans Affairs Medical Center - Lakeside Chicago, Chicago

University of Chicago Cancer Research Center, Chicago

Cardinal Bernardin Cancer Center at Loyola University Medical Center, Maywood

Fort Wayne Medical Oncology and Hematology, Incorporated, Fort Wayne

CCOP - Cedar Rapids Oncology Project, Cedar Rapids

CCOP - Iowa Oncology Research Association, Des Moines

Holden Comprehensive Cancer Center at University of Iowa, Iowa City

Kansas Cancer Institute at the University of Kansas Medical Center, Kansas City

CCOP - Wichita, Wichita

Veterans Affairs Medical Center - Lexington, Lexington

Markey Cancer Center at University of Kentucky Chandler Medical Center, Lexington

Louisiana State University Health Sciences Center - Shreveport, Shreveport

Tufts - New England Medical Center, Boston

Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute, Boston

Cancer Research Center at Boston Medical Center, Boston

Beth Israel Deaconess Medical Center, Boston

University of Massachusetts Memorial Medical Center - University Campus, Worcester

University of Michigan Comprehensive Cancer Center, Ann Arbor

Barbara Ann Karmanos Cancer Institute, Detroit

Veterans Affairs Medical Center - Detroit, Detroit

CCOP - Kalamazoo, Kalamazoo

CCOP - Beaumont, Royal Oak

Veterans Affairs Medical Center - Biloxi, Biloxi

University of Mississippi Medical Center, Jackson

UNMC Eppley Cancer Center at the University of Nebraska Medical Center, Omaha

Norris Cotton Cancer Center at Dartmouth Medical School, Lebanon

Cooper University Hospital, Camden

Veterans Affairs Medical Center - East Orange, East Orange

Cancer Institute of New Jersey, New Brunswick

Veterans Affairs Medical Center - Albuquerque, Albuquerque

Lineberger Comprehensive Cancer Center at University of North Carolina - Chapel Hill, Chapel Hill

Cape Fear Valley Health System, Fayetteville

Lenoir Memorial Hospital Cancer Center, Kinston

New Hanover Regional Medical Center, Wilmington

CCOP - Southeast Cancer Control Consortium, Winston-Salem

Comprehensive Cancer Center at Wake Forest University, Winston-Salem

Veterans Affairs Medical Center - Cincinnati, Cincinnati

Charles M. Barrett Cancer Center at University Hospital, Cincinnati

Cleveland Clinic Taussig Cancer Center, Cleveland

Arthur G. James Cancer Hospital - Ohio State University, Columbus

Veterans Affairs Medical Center - Dayton, Dayton

Cancer Institute at Oregon Health and Science University, Portland

CCOP - Geisinger Clinic and Medical Center, Danville

Penn State Cancer Institute at Milton S. Hershey Medical Center, Hershey

Lifespan: The Miriam Hospital, Providence

Veterans Affairs Medical Center - Charleston, Charleston

Brooke Army Medical Center, Fort Sam Houston

University of Texas Medical Branch, Galveston

University of Texas - MD Anderson Cancer Center, Houston

University of Texas Health Science Center at San Antonio, San Antonio

Huntsman Cancer Institute, Salt Lake City

Green Mountain Oncology Group, Bennington

Vermont Cancer Center at University of Vermont, Burlington

Veterans Affairs Medical Center - White River Junction, White River Junction

MBCCOP - Massey Cancer Center, Richmond

CCOP - Northwest, Tacoma

Madigan Army Medical Center, Tacoma

CCOP - St. Vincent Hospital Cancer Center, Green Bay, Green Bay

University of Wisconsin Comprehensive Cancer Center, Madison

McGill University, Montreal

University of Puerto Rico School of Medicine Medical Sciences Campus, San Juan

Pretoria Academic Hospital, Pretoria