Fludarabine and Rituximab With or Without Lenalidomide or Cyclophosphamide in Treating Patients With Symptomatic Chronic Lymphocytic Leukemia

Laura and Isaac Perlmutter Cancer Center at NYU Langone, New York

Mount Sinai Hospital, New York

NYP/Weill Cornell Medical Center, New York

Montefiore Medical Center-Weiler Hospital, The Bronx

Montefiore Medical Center - Moses Campus, The Bronx

North Shore University Hospital, Manhasset

Long Island Jewish Medical Center, New Hyde Park

Northwell Health NCORP, Lake Success

Northwell Health/Center for Advanced Medicine, Lake Success

Stony Brook University Medical Center, Stony Brook

Hematology Oncology Associates of Central New York-East Syracuse, East Syracuse

State University of New York Upstate Medical University, Syracuse

University of Rochester, Rochester

Geisinger Medical Group, State College

Mount Nittany Medical Center, State College

Lewistown Hospital, Lewistown

Geisinger Medical Center, Danville

Easton Hospital, Easton

Geisinger Medical Center-Cancer Center Hazleton, Hazleton

Geisinger Wyoming Valley/Henry Cancer Center, Wilkes-Barre

Geisinger South Wilkes-Barre, Wilkes-Barre

Bryn Mawr Hospital, Bryn Mawr

Lankenau Medical Center, Wynnewood

Main Line Health NCORP, Wynnewood

University of Pennsylvania/Abramson Cancer Center, Philadelphia

Fox Chase Cancer Center, Philadelphia

Paoli Memorial Hospital, Paoli

Pottstown Hospital, Pottstown

Christiana Care Health System-Christiana Hospital, Newark

Beebe Medical Center, Lewes

MedStar Georgetown University Hospital, Washington D.C.

Sibley Memorial Hospital, Washington D.C.

Unspecified Site, Rockville

University of Maryland/Greenebaum Cancer Center, Baltimore

Christiana Care - Union Hospital, Elkton

Virginia Commonwealth University/Massey Cancer Center, Richmond

Sovah Health Martinsville, Martinsville

Danville Regional Medical Center, Danville

Wheeling Hospital/Schiffler Cancer Center, Wheeling

West Virginia University Healthcare, Morgantown

Wake Forest University Health Sciences, Winston-Salem

Randolph Hospital, Asheboro

Annie Penn Memorial Hospital, Reidsville

Cone Health Cancer Center, Greensboro

Wayne Memorial Hospital, Goldsboro

UNC Lineberger Comprehensive Cancer Center, Chapel Hill

East Carolina University, Greenville

Carolinas Medical Center/Levine Cancer Institute, Charlotte

Vidant Oncology-Kinston, Kinston

Iredell Memorial Hospital, Statesville

Margaret R Pardee Memorial Hospital, Hendersonville

Mission Hospital, Asheville

Prisma Health Cancer Institute - Spartanburg, Boiling Springs

Medical University of South Carolina, Charleston

McLeod Regional Medical Center, Florence

Greenville Health System Cancer Institute-Andrews, Greenville

Saint Francis Hospital, Greenville

Prisma Health Cancer Institute - Butternut, Greenville

Prisma Health Cancer Institute - Faris, Greenville

Prisma Health Greenville Memorial Hospital, Greenville

Prisma Health Cancer Institute - Eastside, Greenville

Prisma Health Cancer Institute - Easley, Easley

Self Regional Healthcare, Greenwood

Prisma Health Cancer Institute - Greer, Greer

Prisma Health Cancer Institute - Seneca, Seneca

Orlando Health Cancer Institute, Orlando

Mount Sinai Medical Center, Miami Beach

Jupiter Medical Center, Jupiter

Vanderbilt University/Ingram Cancer Center, Nashville

Thompson Cancer Survival Center, Knoxville

Doctors Carrol, Sheth, Raghavan, Louisville

Grady Memorial Hospital, Delaware

Knox Community Hospital, Mount Vernon

Licking Memorial Hospital, Newark

Saint Ann's Hospital, Westerville

Fairfield Medical Center, Lancaster

Ohio State University Comprehensive Cancer Center, Columbus

Riverside Methodist Hospital, Columbus

Columbus NCI Community Oncology Research Program, Columbus

Grant Medical Center, Columbus

Mount Carmel Health Center West, Columbus

Doctors Hospital, Columbus

Mary Rutan Hospital, Bellefontaine

Genesis Healthcare System Cancer Care Center, Zanesville

Case Western Reserve University, Cleveland

MetroHealth Medical Center, Cleveland

Cleveland Clinic Foundation, Cleveland

Aultman Health Foundation, Canton

Clinton Memorial Hospital, Wilmington

Wayne Hospital, Greenville

Upper Valley Medical Center, Troy

Greene Memorial Hospital, Xenia

Grandview Hospital, Dayton

Good Samaritan Hospital - Dayton, Dayton

Miami Valley Hospital, Dayton

Miami Valley Hospital North, Dayton

Kettering Medical Center, Kettering

Dayton NCI Community Oncology Research Program, Dayton

Springfield Regional Medical Center, Springfield

Adena Regional Medical Center, Chillicothe

Marietta Memorial Hospital, Marietta

Blanchard Valley Hospital, Findlay

Franciscan Saint Francis Health-Beech Grove, Beech Grove

IU Health La Porte Hospital, La Porte

Franciscan Saint Anthony Health-Michigan City, Michigan City

Michiana Hematology Oncology PC-Westville, Westville

Michiana Hematology Oncology PC-Elkhart, Elkhart

Elkhart General Hospital, Elkhart

Michiana Hematology Oncology PC-Mishawaka, Mishawaka

Saint Joseph Regional Medical Center-Mishawaka, Mishawaka

Michiana Hematology Oncology PC-Plymouth, Plymouth

Memorial Hospital of South Bend, South Bend

Michiana Hematology Oncology PC-South Bend, South Bend

South Bend Clinic, South Bend

Northern Indiana Cancer Research Consortium, South Bend

Fort Wayne Medical Oncology and Hematology Inc-Parkview, Fort Wayne

Community Howard Regional Health, Kokomo

Reid Health, Richmond

Henry Ford Hospital, Detroit

Bronson Methodist Hospital, Kalamazoo

West Michigan Cancer Center, Kalamazoo

Borgess Medical Center, Kalamazoo

Lakeland Medical Center Saint Joseph, Saint Joseph

Marie Yeager Cancer Center, Saint Joseph

Lakeland Hospital Niles, Niles

Cancer Research Consortium of West Michigan NCORP, Grand Rapids

Munson Medical Center, Traverse City

Green Bay Oncology - Iron Mountain, Iron Mountain

Green Bay Oncology - Escanaba, Escanaba

McFarland Clinic PC - Ames, Ames

Mercy Capitol, Des Moines

Iowa Methodist Medical Center, Des Moines

Iowa-Wide Oncology Research Coalition NCORP, Des Moines

Medical Oncology and Hematology Associates-Des Moines, Des Moines

Mercy Medical Center - Des Moines, Des Moines

Mission Cancer and Blood - Laurel, Des Moines

Iowa Lutheran Hospital, Des Moines

Medical Oncology and Hematology Associates-West Des Moines, Clive

Siouxland Regional Cancer Center, Sioux City

Mercy Medical Center-Sioux City, Sioux City

Saint Luke's Regional Medical Center, Sioux City

University of Iowa/Holden Comprehensive Cancer Center, Iowa City

Iowa City VA Healthcare System, Iowa City

Ottumwa Regional Health Center, Ottumwa

UW Cancer Center Johnson Creek, Johnson Creek

ProHealth Oconomowoc Memorial Hospital, Oconomowoc

HSHS Saint Nicholas Hospital, Sheboygan

ProHealth Waukesha Memorial Hospital, Waukesha

University of Wisconsin Carbone Cancer Center, Madison

Bay Area Medical Center, Marinette

Saint Vincent Hospital Cancer Center at Oconto Falls, Oconto Falls

Holy Family Memorial Hospital, Manitowoc

Green Bay Oncology - Sturgeon Bay, Sturgeon Bay

Saint Vincent Hospital Cancer Center Green Bay, Green Bay

Green Bay Oncology Limited at Saint Mary's Hospital, Green Bay

Saint Vincent Hospital Cancer Center at Saint Mary's, Green Bay

Marshfield Medical Center-Marshfield, Marshfield

Marshfield Medical Center, Marshfield

Diagnostic and Treatment Center, Weston

Marshfield Medical Center - Weston, Weston

Ascension Saint Michael's Hospital, Stevens Point

Marshfield Clinic - Wisconsin Rapids Center, Wisconsin Rapids

Ascension Saint Mary's Hospital, Rhinelander

Saint Mary's Hospital, Rhinelander

Marshfield Clinic-Minocqua Center, Minocqua

Gundersen Lutheran Medical Center, La Crosse

HSHS Sacred Heart Hospital, Eau Claire

Marshfield Clinic Cancer Center at Sacred Heart, Eau Claire

Marshfield Clinic-Chippewa Center, Chippewa Falls

Marshfield Medical Center-Rice Lake, Rice Lake

Lakeview Hospital, Stillwater

Regions Hospital, Saint Paul

United Hospital, Saint Paul

Minnesota Oncology Hematology PA-Maplewood, Maplewood

Saint John's Hospital - Healtheast, Maplewood

Minnesota Oncology Hematology PA-Woodbury, Woodbury

Fairview Ridges Hospital, Burnsville

Hutchinson Area Health Care, Hutchinson

Saint Francis Regional Medical Center, Shakopee

Ridgeview Medical Center, Waconia

Abbott-Northwestern Hospital, Minneapolis

Virginia Piper Cancer Institute, Minneapolis

Hennepin County Medical Center, Minneapolis

Metro Minnesota Community Oncology Research Consortium, Saint Louis Park

Park Nicollet Clinic - Saint Louis Park, Saint Louis Park

Minneapolis VA Medical Center, Minneapolis

North Memorial Medical Health Center, Robbinsdale

Unity Hospital, Fridley

Mercy Hospital, Coon Rapids

Fairview Southdale Hospital, Edina

Mayo Clinic in Rochester, Rochester

Rice Memorial Hospital, Willmar

Billings Clinic Cancer Center, Billings

Saint Vincent Healthcare, Billings

Montana Cancer Consortium NCORP, Billings

Saint Vincent Frontier Cancer Center, Billings

Benefis Healthcare- Sletten Cancer Institute, Great Falls

Great Falls Clinic, Great Falls

Northern Montana Hospital, Havre

Saint Peter's Community Hospital, Helena

Saint James Community Hospital and Cancer Treatment Center, Butte

Bozeman Deaconess Hospital, Bozeman

Montana Cancer Specialists, Missoula

Saint Patrick Hospital - Community Hospital, Missoula

Glacier Oncology PLLC, Kalispell

Kalispell Medical Oncology, Kalispell

Kalispell Regional Medical Center, Kalispell

Ascension Alexian Brothers - Elk Grove Village, Elk Grove Village

Hematology Oncology Associates of Illinois-Highland Park, Highland Park

AMG Libertyville - Oncology, Libertyville

Hematology Oncology Associates of Illinois - Skokie, Skokie

Loyola University Medical Center, Maywood

NorthShore University HealthSystem-Evanston Hospital, Evanston

MacNeal Hospital and Cancer Center, Berwyn

Midwest Center for Hematology Oncology, Joliet

Duly Health and Care Joliet, Joliet

Rush - Copley Medical Center, Aurora

Northwestern Medicine Cancer Center Warrenville, Warrenville

DuPage Medical Group-Ogden, Naperville

Hematology and Oncology Associates, Chicago

Northwestern University, Chicago

University of Chicago Comprehensive Cancer Center, Chicago

Weiss Memorial Hospital, Chicago

Illinois Cancer Specialists-Niles, Niles

Presence Saint Mary's Hospital, Kankakee

Swedish American Hospital, Rockford

OSF Saint Anthony Medical Center, Rockford

Illinois CancerCare-Ottawa Clinic, Ottawa

Ottawa Regional Hospital and Healthcare Center, Ottawa

Illinois CancerCare-Peru, Peru

Illinois Valley Hospital, Peru

Illinois CancerCare-Princeton, Princeton

Perry Memorial Hospital, Princeton

Illinois CancerCare-Spring Valley, Spring Valley

Saint Margaret's Hospital, Spring Valley

Galesburg Cottage Hospital, Galesburg

Illinois CancerCare-Galesburg, Galesburg

Illinois CancerCare-Kewanee Clinic, Kewanee

Illinois CancerCare-Macomb, Macomb

Mcdonough District Hospital, Macomb

Holy Family Medical Center, Monmouth

Illinois CancerCare-Monmouth, Monmouth

Graham Hospital Association, Canton

Illinois CancerCare-Canton, Canton

Eureka Hospital, Eureka

Illinois CancerCare-Eureka, Eureka

Illinois CancerCare-Pekin, Pekin

OSF Saint Francis Radiation Oncology at Pekin Cancer Treatment Center, Pekin

Pekin Hospital, Pekin

Proctor Hospital, Peoria

Illinois CancerCare-Peoria, Peoria

Methodist Medical Center of Illinois, Peoria

OSF Saint Francis Medical Center, Peoria

Saint Joseph Medical Center, Bloomington

Illinois CancerCare-Bloomington, Bloomington

Hopedale Medical Complex - Hospital, Hopedale

Bromenn Regional Medical Center, Normal

Carle Cancer Institute Normal, Normal

Illinois CancerCare-Community Cancer Center, Normal

Carle Cancer Center, Urbana

Saint Anthony's Health, Alton

Illinois CancerCare-Carthage, Carthage

Memorial Hospital, Carthage

Decatur Memorial Hospital, Decatur

Heartland Cancer Research NCORP, Decatur

Illinois CancerCare-Havana, Havana

Mason District Hospital, Havana

Memorial Medical Center, Springfield

Good Samaritan Regional Health Center, Mount Vernon

SSM Health Saint Louis University Hospital, St Louis

Saint Louis Cancer and Breast Institute-South City, St Louis

Washington University School of Medicine, St Louis

Missouri Baptist Medical Center, St Louis

Center for Cancer Care and Research, St Louis

Comprehensive Cancer Care PC, St Louis

Mercy Hospital Saint Louis, St Louis

Saint Louis-Cape Girardeau CCOP, St Louis

Saint Francis Medical Center, Cape Girardeau

Southeast Cancer Center, Cape Girardeau

Centerpoint Medical Center LLC, Independence

Liberty Radiation Oncology Center, Liberty

Saint Luke's East - Lee's Summit, Lee's Summit

Truman Medical Centers, Kansas City

Saint Luke's Hospital of Kansas City, Kansas City

Radiation Oncology Practice Corporation South, Kansas City

Saint Joseph Health Center, Kansas City

North Kansas City Hospital, Kansas City

Heartland Hematology and Oncology Associates Incorporated, Kansas City

Research Medical Center, Kansas City

Radiation Oncology Practice Corporation - North, Kansas City

Heartland Regional Medical Center, Saint Joseph

Saint Joseph Oncology Inc, Saint Joseph

Capital Region Southwest Campus, Jefferson City

University of Missouri - Ellis Fischel, Columbia

Mercy Hospital Springfield, Springfield

CoxHealth South Hospital, Springfield

Lawrence Memorial Hospital, Lawrence

Olathe Cancer Center, Olathe

Providence Medical Center, Kansas City

University of Kansas Cancer Center, Kansas City

Advent Health - Shawnee Mission Medical Center, Shawnee Mission

Kansas City NCI Community Oncology Research Program, Prairie Village

Menorah Medical Center, Overland Park

Radiation Oncology Practice Corporation Southwest, Overland Park

Saint Luke's South Hospital, Overland Park

Cotton O'Neil Cancer Center / Stormont Vail Health, Topeka

University of Kansas Health System Saint Francis Campus, Topeka

Ascension Via Christi - Pittsburg, Pittsburg

Wesley Medical Center, Wichita

Salina Regional Health Center, Salina

Hutchinson Regional Medical Center, Hutchinson

HaysMed University of Kansas Health System, Hays

Nebraska Methodist Hospital, Omaha

University of Nebraska Medical Center, Omaha

CHI Health Saint Francis, Grand Island

Baylor University Medical Center, Dallas

Rocky Mountain Oncology, Casper

Welch Cancer Center, Sheridan

Mayo Clinic in Arizona, Scottsdale

Lovelace Medical Center-Saint Joseph Square, Albuquerque

University of New Mexico Cancer Center, Albuquerque

Memorial Medical Center - Las Cruces, Las Cruces

University Medical Center of Southern Nevada, Las Vegas

Nevada Cancer Research Foundation NCORP, Las Vegas

Providence Saint Joseph Medical Center/Disney Family Cancer Center, Burbank

PCR Oncology, Arroyo Grande

Palo Alto Medical Foundation-Camino Division, Mountain View

UCSF Medical Center-Mount Zion, San Francisco

Palo Alto Medical Foundation Health Care, Palo Alto

Hartford Hospital, Hartford

Smilow Cancer Hospital Care Center at Saint Francis, Hartford

Norwalk Hospital, Norwalk

Smilow Cancer Hospital-Torrington Care Center, Torrington

Elkhart Clinic, Elkhart

Harold Alfond Center for Cancer Care, Augusta

Eastern Maine Medical Center, Bangor

Walter Reed National Military Medical Center, Bethesda

Lahey Hospital and Medical Center, Burlington

New Hampshire Oncology Hematology PA-Concord, Concord

LRGHealthcare-Lakes Region General Hospital, Laconia

Dartmouth Hitchcock Medical Center/Dartmouth Cancer Center, Lebanon

Norris Cotton Cancer Center-Manchester, Manchester

Solinsky Center for Cancer Care, Manchester

Cooper Hospital University Medical Center, Camden

Veterans Adminstration New Jersey Health Care System, East Orange

Virtua Memorial, Mount Holly

Rutgers Cancer Institute of New Jersey, New Brunswick

Saint Joseph's Regional Medical Center, Paterson

Virtua Voorhees, Voorhees Township

Atrium Medical Center-Middletown Regional Hospital, Franklin

Penn State Milton S Hershey Medical Center, Hershey

Central Vermont Medical Center/National Life Cancer Treatment, Berlin Corners

University of Vermont and State Agricultural College, Burlington

Norris Cotton Cancer Center-North, Saint Johnsbury

Green Bay Oncology at Saint Vincent Hospital, Green Bay

Tom Baker Cancer Centre, Calgary

Cross Cancer Institute, Edmonton

CancerCare Manitoba, Winnipeg

QEII Health Sciences Centre/Nova Scotia Health Authority, Halifax

Juravinski Cancer Centre at Hamilton Health Sciences, Hamilton

University Health Network-Princess Margaret Hospital, Toronto

CSSS Champlain-Charles Le Moyne, Greenfield Park

McGill University Health Centre at Royal Victoria Hospital, Montreal

CHU de Quebec-Hopital du Saint-Sacrement (HSS), Québec