LeukemiaPhase 3NCT00085709
S0106 Cytarabine and Daunorubicin w/ or w/o Gemtuzumab Followed By HD Cytarabine and Either Gemtuzumab or Nothing in de Novo AML
A Phase 3 study testing gemtuzumab ozogamicin, observation and Cytosine arabinoside in people with Leukemia, run by SWOG Cancer Research Network at 279 sites in 3 countries.
Trial summary
RATIONALE: Drugs used in chemotherapy, such as cytarabine and daunorubicin, work in different ways to stop cancer cells from dividing so they stop growing and die. Monoclonal antibodies, such as gemtuzumab ozogamicin, can locate cancer cells and either kill them or deliver cancer-killing substances to them without… Read more about this study
- Who is it for?
- Ages 18 to 60 years
- Conditions the study is for
- Leukemia
- What is being tested?
- gemtuzumab ozogamicin, observation and Cytosine arabinoside
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 637 participants
- Where
- 279 sitesin 3 countries
- Study dates
- Jul 2004to Aug 2014
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 60 years
- All sexes
- No healthy volunteers
- Adult
DISEASE CHARACTERISTICS:
- Morphologically confirmed acute myeloid leukemia (AML) by bone marrow aspiration and biopsy* within the past 14 days
- No M3 disease NOTE: *Patients with marked leukocytosis may be registered before the availability of biopsy results if the absolute blast count is ≥ 100,000 cells/µL
- No blastic transformation of chronic myelogenous leukemia
- No pre-existing hematologic disorder evolving to AML (e.g., myelodysplasia or secondary leukemia)
PATIENT CHARACTERISTICS:
Age
- 18 to 60
Performance status
- Zubrod 0-3
Life expectancy
- Not specified
Hematopoietic
- See Disease Characteristics
Hepatic
- Bilirubin ≤ 2 times upper limit of normal (ULN)
- AST and ALT ≤ 3 times ULN
- No known hepatitis B or C infection
- No known liver disease
Renal
- Not specified
Cardiovascular
- LVEF ≥ 50% by MUGA or echocardiogram
- No unstable cardiac arrhythmias
- No unstable angina
Other
- No other malignancy within the past 5 years except adequately treated basal cell or squamous cell skin cancer, carcinoma in situ of the cervix, or adequately treated stage I or II cancer currently in complete remission
- Not pregnant or nursing
- Fertile patients must use effective contraception
PRIOR CONCURRENT THERAPY:
Biologic therapy
- Not specified
Chemotherapy
- No prior systemic chemotherapy
- Prior hydroxyurea to control high cell counts allowed
- No more than 1 prior dose of intrathecal chemotherapy for acute leukemia
- Concurrent intrathecal chemotherapy allowed during induction therapy
Endocrine therapy
- Not specified
Radiotherapy
- Not specified
Surgery
- Not specified
Trial locations and contacts
279 sites in 3 countries.
279 sites in 3 countries
United States255 sites
McDowell Cancer Center at Akron General Medical Center
Akron, Ohio, 44307
Phoebe Cancer Center at Phoebe Putney Memorial Hospital
Albany, Georgia, 31701
University of New Mexico Cancer Center
Albuquerque, New Mexico, 87131-5636
Tulane Cancer Center Office of Clinical Research
Alexandria, Louisiana, 71315-3198
Saint Anthony's Hospital at Saint Anthony's Health Center
Alton, Illinois, 62002
American Fork Hospital
American Fork, Utah, 84003
McFarland Clinic, PC
Ames, Iowa, 50010
Providence Cancer Center
Anchorage, Alaska, 99508
AnMed Cancer Center
Anderson, South Carolina, 29621
Saint Joseph Mercy Cancer Center
Ann Arbor, Michigan, 48106-0995
CCOP - Michigan Cancer Research Consortium
Ann Arbor, Michigan, 48106
University of Michigan Comprehensive Cancer Center
Ann Arbor, Michigan, 48109-0942
Auburn Regional Center for Cancer Care
Auburn, Washington, 98002
Pennington Cancer Center at Baton Rouge General
Baton Rouge, Louisiana, 70806
Mary Bird Perkins Cancer Center - Baton Rouge
Baton Rouge, Louisiana, 70809
Battle Creek Health System Cancer Care Center
Battle Creek, Michigan, 49017
St. Francis Hospital and Health Centers - Beech Grove Campus
Beech Grove, Indiana, 46107
Mary Rutan Hospital
Bellefontaine, Ohio, 43311
St. Joseph Cancer Center
Bellingham, Washington, 98225
Alta Bates Summit Comprehensive Cancer Center
Berkeley, California, 94704
Mecosta County Medical Center
Big Rapids, Michigan, 49307
CCOP - Montana Cancer Consortium
Billings, Montana, 59101
Hematology-Oncology Centers of the Northern Rockies - Billings
Billings, Montana, 59101
Northern Rockies Radiation Oncology Center
Billings, Montana, 59101
St. Vincent Healthcare Cancer Care Services
Billings, Montana, 59101
Billings Clinic - Downtown
Billings, Montana, 59107-7000
St. Joseph Medical Center
Bloomington, Illinois, 61701
Massachusetts General Hospital
Boston, Massachusetts, 02114
Dana-Farber/Brigham and Women's Cancer Center
Boston, Massachusetts, 02115
Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute
Boston, Massachusetts, 02115
Olympic Hematology and Oncology
Bremerton, Washington, 98310
Caritas St. Elizabeth's Medical Center
Brighton, Massachusetts, 02135-2997
Peninsula Medical Center
Burlingame, California, 94010
St. James Healthcare Cancer Care
Butte, Montana, 59701
Graham Hospital
Canton, Illinois, 61520
Mercy Cancer Center at Mercy Medical Center
Canton, Ohio, 44708
Aultman Cancer Center at Aultman Hospital
Canton, Ohio, 44710-1799
Southeast Missouri Regional Cancer Center at Southeast Missouri Hospital
Cape Girardeau, Missouri, 63701
Saint Francis Medical Center
Cape Girardeau, Missouri, 63703
Memorial Hospital
Carthage, Illinois, 62321
Sandra L. Maxwell Cancer Center
Cedar City, Utah, 84720
Providence Centralia Hospital
Centralia, Washington, 98531-9027
Cancer Center of Kansas, PA - Chanute
Chanute, Kansas, 66720
Hollings Cancer Center at Medical University of South Carolina
Charleston, South Carolina, 29425
West Virginia University Health Sciences Center - Charleston
Charleston, West Virginia, 25304
Presbyterian Cancer Center at Presbyterian Hospital
Charlotte, North Carolina, 28233-3549
Adena Regional Medical Center
Chillicothe, Ohio, 45601
Marshfield Clinic - Chippewa Center
Chippewa Falls, Wisconsin, 54729
Riverside Methodist Hospital Cancer Care
Columbus, Ohio, 43214-3998
CCOP - Columbus
Columbus, Ohio, 43215
Grant Medical Center Cancer Care
Columbus, Ohio, 43215
Mount Carmel Health - West Hospital
Columbus, Ohio, 43222
Doctors Hospital at Ohio Health
Columbus, Ohio, 43228
Genesis Regional Cancer Center at Genesis Medical Center
Davenport, Iowa, 52803
Genesis Medical Center - West Campus
Davenport, Iowa, 52804
Grandview Hospital
Dayton, Ohio, 45405
Good Samaritan Hospital
Dayton, Ohio, 45406
David L. Rike Cancer Center at Miami Valley Hospital
Dayton, Ohio, 45409
CCOP - Dayton
Dayton, Ohio, 45429
Oakwood Cancer Center at Oakwood Hospital and Medical Center
Dearborn, Michigan, 48123-2500
Decatur Memorial Hospital Cancer Care Institute
Decatur, Illinois, 62526
Grady Memorial Hospital
Delaware, Ohio, 43015
Mercy Capitol Hospital
Des Moines, Iowa, 50307
CCOP - Iowa Oncology Research Association
Des Moines, Iowa, 50309
John Stoddard Cancer Center at Iowa Methodist Medical Center
Des Moines, Iowa, 50309
Medical Oncology and Hematology Associates at John Stoddard Cancer Center
Des Moines, Iowa, 50309
Medical Oncology and Hematology Associates at Mercy Cancer Center
Des Moines, Iowa, 50314
Mercy Cancer Center at Mercy Medical Center - Des Moines
Des Moines, Iowa, 50314
John Stoddard Cancer Center at Iowa Lutheran Hospital
Des Moines, Iowa, 50316
Barbara Ann Karmanos Cancer Institute
Detroit, Michigan, 48201-1379
Josephine Ford Cancer Center at Henry Ford Hospital
Detroit, Michigan, 48202
Cancer Center of Kansas, PA - Dodge City
Dodge City, Kansas, 67801
Duluth Clinic Cancer Center - Duluth
Duluth, Minnesota, 55805-1983
CCOP - Duluth
Duluth, Minnesota, 55805
Miller - Dwan Medical Center
Duluth, Minnesota, 55805
Marshfield Clinic Cancer Care at Regional Cancer Center
Eau Claire, Wisconsin, 54701
Cancer Center of Kansas, PA - El Dorado
El Dorado, Kansas, 67042
Eureka Community Hospital
Eureka, Illinois, 61530
St. Francis Hospital
Federal Way, Washington, 98003
Blanchard Valley Medical Associates
Findlay, Ohio, 45840
Genesys Hurley Cancer Institute
Flint, Michigan, 48503
Hurley Medical Center
Flint, Michigan, 48503
McLeod Regional Medical Center
Florence, South Carolina, 29501
Hembree Mercy Cancer Center at St. Edward Mercy Medical Center
Fort Smith, Arkansas, 72903
Middletown Regional Hospital
Franklin, Ohio, 45005-1066
Galesburg Clinic, PC
Galesburg, Illinois, 61401
Galesburg Cottage Hospital
Galesburg, Illinois, 61401
Butterworth Hospital at Spectrum Health
Grand Rapids, Michigan, 49503
CCOP - Grand Rapids
Grand Rapids, Michigan, 49503
Lacks Cancer Center at Saint Mary's Health Care
Grand Rapids, Michigan, 49503
Big Sky Oncology
Great Falls, Montana, 59405-5309
Great Falls Clinic - Main Facility
Great Falls, Montana, 59405
Sletten Cancer Institute at Benefis Healthcare
Great Falls, Montana, 59405
Study site
Great Falls, Montana, 59405
Green Bay Oncology, Limited at St. Vincent Hospital Regional Cancer Center
Green Bay, Wisconsin, 54301-3526
Green Bay Oncology, Limited at St. Mary's Hospital
Green Bay, Wisconsin, 54303
St. Mary's Hospital Medical Center - Green Bay
Green Bay, Wisconsin, 54303
St. Vincent Hospital Regional Cancer Center
Green Bay, Wisconsin, 54307-3508
Marin Cancer Institute at Marin General Hospital
Greenbrae, California, 94904
Sutter Health - Western Division Cancer Research Group
Greenbrae, California, 94904
Van Elslander Cancer Center at St. John Hospital and Medical Center
Grosse Pointe Woods, Michigan, 48236
Mason District Hospital
Havana, Illinois, 62644
Northern Montana Hospital
Havre, Montana, 59501
St. Peter's Hospital
Helena, Montana, 59601
Hopedale Medical Complex
Hopedale, Illinois, 61747
Cancer Center of Kansas-Independence
Independence, Kansas, 67301
Independence Regional Health Center
Independence, Missouri, 64050
Foote Memorial Hospital
Jackson, Michigan, 49201
University of Mississippi Cancer Clinic
Jackson, Mississippi, 39216
Borgess Medical Center
Kalamazoo, Michigan, 49001
West Michigan Cancer Center
Kalamazoo, Michigan, 49007-3731
Bronson Methodist Hospital
Kalamazoo, Michigan, 49007
Glacier Oncology, PLLC
Kalispell, Montana, 59901
Kalispell Medical Oncology at KRMC
Kalispell, Montana, 59901
Kalispell Regional Medical Center
Kalispell, Montana, 59901
Truman Medical Center - Hospital Hill
Kansas City, Missouri, 64108
Saint Luke's Cancer Institute at Saint Luke's Hospital
Kansas City, Missouri, 64111
St. Joseph Medical Center
Kansas City, Missouri, 64114
North Kansas City Hospital
Kansas City, Missouri, 64116
Parvin Radiation Oncology
Kansas City, Missouri, 64116
CCOP - Kansas City
Kansas City, Missouri, 64131
Research Medical Center
Kansas City, Missouri, 64132
Columbia Basin Hematology
Kennewick, Washington, 99336
Charles F. Kettering Memorial Hospital
Kettering, Ohio, 45429
Cancer Center of Kansas, PA - Kingman
Kingman, Kansas, 67068
Kinston Medical Specialists
Kinston, North Carolina, 28501
Center for Cancer Care and Research at Watson Clinic, LLP
Lakeland, Florida, 33805
Fairfield Medical Center
Lancaster, Ohio, 43130
Lancaster General Hospital
Lancaster, Pennsylvania, 17604
Sparrow Regional Cancer Center
Lansing, Michigan, 48912-1811
University Medical Center of Southern Nevada
Las Vegas, Nevada, 89102
CCOP - Nevada Cancer Research Foundation
Las Vegas, Nevada, 89106
Sunrise Hospital and Medical Center
Las Vegas, Nevada, 89109
Lawrence Memorial Hospital
Lawrence, Kansas, 66044
Lucille P. Markey Cancer Center at University of Kentucky
Lexington, Kentucky, 40536-0093
Southwest Medical Center
Liberal, Kansas, 67901
Liberty Hospital
Liberty, Missouri, 64068
St. Rita's Medical Center
Lima, Ohio, 45801
Arkansas Cancer Research Center at University of Arkansas for Medical Sciences
Little Rock, Arkansas, 72205
St. Mary Mercy Hospital
Livonia, Michigan, 48154
USC/Norris Comprehensive Cancer Center and Hospital
Los Angeles, California, 90089-9181
McDonough District Hospital
Macomb, Illinois, 61455
Medical Center of Central Georgia
Macon, Georgia, 31208
Strecker Cancer Center at Marietta Memorial Hospital
Marietta, Ohio, 45750
Bay Area Cancer Care Center at Bay Area Medical Center
Marinette, Wisconsin, 54143
Marshfield Clinic - Marshfield Center
Marshfield, Wisconsin, 54449
Cardinal Bernardin Cancer Center at Loyola University Medical Center
Maywood, Illinois, 60153
Froedtert Hospital and Medical College of Wisconsin
Milwaukee, Wisconsin, 53226
Medical College of Wisconsin Cancer Center
Milwaukee, Wisconsin, 53226
Marshfield Clinic - Lakeland Center
Minocqua, Wisconsin, 54548
Community Medical Center
Missoula, Montana, 59801
Guardian Oncology and Center for Wellness
Missoula, Montana, 59804
Montana Cancer Specialists at Montana Cancer Center
Missoula, Montana, 59807-7877
Montana Cancer Center at St. Patrick Hospital and Health Sciences Center
Missoula, Montana, 59807
Good Samaritan Regional Health Center
Mount Vernon, Illinois, 62864
Jon and Karen Huntsman Cancer Center at Intermountain Medical Center
Murray, Utah, 84157
Mercy General Health Partners
Muskegon, Michigan, 49443
MBCCOP - LSU Health Sciences Center
New Orleans, Louisiana, 70112
Medical Center of Louisiana - New Orleans
New Orleans, Louisiana, 70112
Licking Memorial Cancer Care Program at Licking Memorial Hospital
Newark, Ohio, 43055
Cancer Center of Kansas, PA - Newton
Newton, Kansas, 67114
BroMenn Regional Medical Center
Normal, Illinois, 61761
Community Cancer Center
Normal, Illinois, 61761
Val and Ann Browning Cancer Center at McKay-Dee Hospital Center
Ogden, Utah, 84403
Providence St. Peter Hospital Regional Cancer Center
Olympia, Washington, 98506-5166
Methodist Estabrook Cancer Center
Omaha, Nebraska, 68114
UNMC Eppley Cancer Center at the University of Nebraska Medical Center
Omaha, Nebraska, 68198-6805
Community Hospital of Ottawa
Ottawa, Illinois, 61350
Oncology Hematology Associates of Central Illinois, PC - Ottawa
Ottawa, Illinois, 61350
Menorah Medical Center
Overland Park, Kansas, 66209
Community Comprehensive Cancer Center at Camden-Clark Memorial Hospital
Parkersburg, West Virginia, 26102
Cancer Center of Kansas, PA - Parsons
Parsons, Kansas, 67357
Cancer Treatment Center at Pekin Hospital
Pekin, Illinois, 61554
Proctor Hospital
Peoria, Illinois, 61614
CCOP - Illinois Oncology Research Association
Peoria, Illinois, 61615
Oncology Hematology Associates of Central Illinois, PC - Peoria
Peoria, Illinois, 61615
Methodist Medical Center of Illinois
Peoria, Illinois, 61636
OSF St. Francis Medical Center
Peoria, Illinois, 61637
Illinois Valley Community Hospital
Peru, Illinois, 61354
St. Joseph Mercy Oakland
Pontiac, Michigan, 48341-2985
Mercy Regional Cancer Center at Mercy Hospital
Port Huron, Michigan, 48060
Cancer Center of Kansas, PA - Pratt
Pratt, Kansas, 67124
Perry Memorial Hospital
Princeton, Illinois, 61356
Utah Valley Regional Medical Center - Provo
Provo, Utah, 84604
Good Samaritan Cancer Center
Puyallup, Washington, 98372
Marshfield Clinic - Indianhead Center
Rice Lake, Wisconsin, 54868
Reid Hospital & Health Care Services
Richmond, Indiana, 47374
Rutherford Hospital
Rutherfordton, North Carolina, 28139
Seton Cancer Institute at Saint Mary's - Saginaw
Saginaw, Michigan, 48601
Heartland Regional Medical Center
Saint Joseph, Missouri, 64506
Cancer Center of Kansas, PA - Salina
Salina, Kansas, 67042
LDS Hospital
Salt Lake City, Utah, 84103
Utah Cancer Specialists at UCS Cancer Center
Salt Lake City, Utah, 84106
Huntsman Cancer Institute at University of Utah
Salt Lake City, Utah, 84112
University of Texas Health Science Center at San Antonio
San Antonio, Texas, 78229-3900
Cancer Therapy and Research Center
San Antonio, Texas, 78229
University Hospital - San Antonio
San Antonio, Texas, 78229
California Pacific Medical Center - California Campus
San Francisco, California, 94118
New Mexico Cancer Care Associates
Santa Fe, New Mexico, 87505
Guthrie Cancer Center at Guthrie Clinic Sayre
Sayre, Pennsylvania, 18840
Mercy Hospital Cancer Center - Scranton
Scranton, Pennsylvania, 18501
Hematology and Oncology Associates of Northeastern Pennsylvania
Scranton, Pennsylvania, 18510
Fred Hutchinson Cancer Research Center
Seattle, Washington, 98104
Harborview Medical Center
Seattle, Washington, 98104
Group Health Central Hospital
Seattle, Washington, 98112
Swedish Cancer Institute at Swedish Medical Center - First Hill Campus
Seattle, Washington, 98122-4307
Polyclinic First Hill
Seattle, Washington, 98122
University Cancer Center at University of Washington Medical Center
Seattle, Washington, 98195-6043
Shawnee Mission Medical Center
Shawnee Mission, Kansas, 66204
Welch Cancer Center at Sheridan Memorial Hospital
Sheridan, Wyoming, 82801
Siouxland Hematology-Oncology Associates, LLP
Sioux City, Iowa, 51101
Mercy Medical Center - Sioux City
Sioux City, Iowa, 51104
St. Luke's Regional Medical Center
Sioux City, Iowa, 51104
Avera Cancer Institute
Sioux Falls, South Dakota, 57105
Medical X-Ray Center, PC
Sioux Falls, South Dakota, 57105
Sanford Cancer Center at Sanford USD Medical Center
Sioux Falls, South Dakota, 57117-5039
Providence Cancer Institute at Providence Hospital - Southfield Campus
Southfield, Michigan, 48075
CCOP - Upstate Carolina
Spartanburg, South Carolina, 29303
Gibbs Regional Cancer Center at Spartanburg Regional Medical Center
Spartanburg, South Carolina, 29303
Cancer Care Northwest - Spokane South
Spokane, Washington, 99202
St. Margaret's Hospital
Spring Valley, Illinois, 61362
Regional Cancer Center at Memorial Medical Center
Springfield, Illinois, 62781-0001
Mercy Medical Center
Springfield, Ohio, 45504
Community Hospital of Springfield and Clark County
Springfield, Ohio, 45505
Midwest Hematology Oncology Group, Incorporated
St Louis, Missouri, 63109
CCOP - St. Louis-Cape Girardeau
St Louis, Missouri, 63141
David C. Pratt Cancer Center at St. John's Mercy
St Louis, Missouri, 63141
Dixie Regional Medical Center - East Campus
St. George, Utah, 84770
Franciscan Cancer Center at St. Joseph Medical Center
Tacoma, Washington, 98405-3004
Allenmore Hospital
Tacoma, Washington, 98405
CCOP - Northwest
Tacoma, Washington, 98405
MultiCare Regional Cancer Center at Tacoma General Hospital
Tacoma, Washington, 98405
Madigan Army Medical Center - Tacoma
Tacoma, Washington, 98431
St. Clare Hospital
Tacoma, Washington, 98499
Cotton-O'Neil Cancer Center
Topeka, Kansas, 66606
Munson Medical Center
Traverse City, Michigan, 49684
UVMC Cancer Care Center at Upper Valley Medical Center
Troy, Ohio, 45373-1300
Sutter Solano Medical Center
Vallejo, California, 94589
St. John Macomb Hospital
Warren, Michigan, 48093
Waukesha Memorial Hospital Regional Cancer Center
Waukesha, Wisconsin, 53188
Cancer Center of Kansas, PA - Wellington
Wellington, Kansas, 67152
Mount Carmel St. Ann's Cancer Center
Westerville, Ohio, 43081
Marshfield Clinic - Weston Center
Weston, Wisconsin, 54476
Associates in Womens Health, PA - North Review
Wichita, Kansas, 67208
Cancer Center of Kansas, PA - Medical Arts Tower
Wichita, Kansas, 67208
Cancer Center of Kansas, PA - Wichita
Wichita, Kansas, 67214
CCOP - Wichita
Wichita, Kansas, 67214
Via Christi Cancer Center at Via Christi Regional Medical Center
Wichita, Kansas, 67214
Wesley Medical Center
Wichita, Kansas, 67214
Clinton Memorial Hospital
Wilmington, Ohio, 45177
Cancer Center of Kansas, PA - Winfield
Winfield, Kansas, 67156
Marshfield Clinic - Wisconsin Rapids Center
Wisconsin Rapids, Wisconsin, 54494
Metro Health Hospital
Wyoming, Michigan, 49519
Ruth G. McMillan Cancer Center at Greene Memorial Hospital
Xenia, Ohio, 45385
Genesis - Good Samaritan Hospital
Zanesville, Ohio, 43701
Canada16 sites
Cross Cancer Institute at University of Alberta
Edmonton, Alberta, T6G 1Z2
Hopital Charles Lemoyne
Greenfield Park, Quebec, J4V 2H1
Nova Scotia Cancer Centre
Halifax, Nova Scotia, B3H 1V8
Margaret and Charles Juravinski Cancer Centre
Hamilton, Ontario, L8V 5C2
Cancer Centre of Southeastern Ontario at Kingston General Hospital
Kingston, Ontario, K7L 5P9
London Regional Cancer Program at London Health Sciences Centre
London, Ontario, N6A 4L6
Moncton Hospital
Moncton, New Brunswick, E1C 6Z8
Maisonneuve-Rosemont Hospital
Montreal, Quebec, H1T 2M4
McGill Cancer Centre at McGill University
Montreal, Quebec, H2W 1S6
Hopital du Saint-Sacrement - Quebec
Québec, Quebec, G1S 4L8
Allan Blair Cancer Centre at Pasqua Hospital
Regina, Saskatchewan, S4T 7T1
Saskatoon Cancer Centre at the University of Saskatchewan
Saskatoon, Saskatchewan, S7N 4H4
Cancer Care Program at Thunder Bay Regional Health Sciences
Thunder Bay, Ontario, P7B 6V4
Princess Margaret Hospital
Toronto, Ontario, M5G 2M9
University of British Columbia
Vancouver, British Columbia, V6T 1Z4
CancerCare Manitoba
Winnipeg, Manitoba, R3E 0V9
Sweden8 sites
Sahlgrenska University Hospital
Gothenburg, 413 45
Karolinska University Hospital - Huddinge
Huddinge, SE-141 86
University Hospital of Linkoping
Linköping, 85
Lund University Hospital
Lund, S-221 00
Orebro University Hospital
Örebro, SE-700
Karolinska University Hospital - Solna
Stockholm, 171 76
Sundsvall Hospital
Sundsvalls, SE-85186
Uppsala University Hospital
Uppsala
About this study
Official title: A Phase III Study of the Addition of Gemtuzumab Ozogamicin (Mylotarg®) During Induction Therapy Versus Standard Induction With Daunomycin and Cytosine Arabinoside Followed by Consolidation and Subsequent Randomization to Post-Consolidation Therapy With Gemtuzumab Ozogamicin (Mylotarg®) or No Additional Therapy For Patients Under Age 61 With Previously Untreated De Novo Acute Myeloid Leukemia (AML)
RATIONALE: Drugs used in chemotherapy, such as cytarabine and daunorubicin, work in different ways to stop cancer cells from dividing so they stop growing and die. Monoclonal antibodies, such as gemtuzumab ozogamicin, can locate cancer cells and either kill them or deliver cancer-killing substances to them without harming normal cells. Combining chemotherapy with gemtuzumab ozogamicin may kill more cancer cells. It is not yet known whether induction therapy using cytarabine and daunorubicin is more effective with or without gemtuzumab ozogamicin or whether postconsolidation therapy using gemtuzumab ozogamicin is more effective than no additional therapy in treating de novo (first occurrence) acute myeloid leukemia.
PURPOSE: This randomized phase III trial is comparing two different regimens of chemotherapy and monoclonal antibody therapy to see how well they work in treating patients with previously untreated de novo acute myeloid leukemia.
Read the detailed description
OBJECTIVES:
- Compare disease-free survival of patients with previously untreated de novo acute myeloid leukemia treated with induction therapy comprising cytarabine and daunorubicin with vs without gemtuzumab ozogamicin followed by consolidation therapy comprising high-dose cytarabine and post-consolidation therapy comprising gemtuzumab ozogamicin vs no additional therapy.
- Compare the complete remission rate in patients treated with these regimens.
- Compare the frequency and severity of the toxic effects of these regimens in these patients.
Other objectives (if funding allows):
- Determine the prognostic significance of CD33 expression on the response rate in patients receiving gemtuzumab ozogamicin.
- Determine the prognostic significance of FLT3 mutations in these patients before treatment with these regimens.
- Determine the prognostic significance of minimal residual disease in remission specimens from these patients treated with these regimens.
- Determine the prognostic significance of the flow cytometric detection of minimal residual disease in specimens collected from these patients treated with these regimens.
OUTLINE: This is a randomized, multicenter study. Patients are stratified during induction therapy according to age (< 35 years vs ≥ 35 years) and during post-consolidation therapy according to preinduction cytogenetic risk group.
- Induction therapy: Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive daunorubicin IV on days 1-3, cytarabine IV continuously on days 1-7, and gemtuzumab ozogamicin IV over 2 hours on day 4. Patients receive filgrastim (G-CSF) or sargramostim (GM-CSF) IV or subcutaneously once daily beginning on day 15 and continuing until blood counts recover.
- Arm II: Patients receive daunorubicin, cytarabine, and G-CSF or GM-CSF as in arm I.
Patients in both arms undergo bone marrow aspiration and biopsy on day 14 (and on day 19, if applicable) and then proceed to reinduction therapy.
- Reinduction therapy: Patients receive daunorubicin IV on days 1-3 and cytarabine IV continuously on days 1-7. Patients also receive G-CSF or GM-CSF as in induction therapy.
Patients who achieve A1 bone marrow, B1 peripheral blood, and C1 extramedullary disease status proceed to consolidation therapy.
- Consolidation therapy: Patients receive high-dose cytarabine IV over 3 hours twice daily on days 1, 3, and 5. Treatment repeats every 28 days for 3 courses in the absence of disease progression or unacceptable toxicity.
Patients who maintain A1 bone marrow, B1 peripheral blood, and C1 extramedullary disease status after consolidation therapy proceed to post-consolidation therapy.
- Post-consolidation therapy: Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive gemtuzumab ozogamicin IV over 2 hours on day 1. Treatment repeats every 28 days for 3 courses in the absence of disease progression or unacceptable toxicity.
- Arm II: Patients receive no additional therapy. Patients are observed at days 30 and 60 after randomization.
Patients are followed every 3 months for 1 year, every 6 months for 1 year, and then annually for 3 years.
PROJECTED ACCRUAL: A total of 684 patients (342 per treatment arm) will be accrued for this study within 4.5-5 years.
- Conditions
- Leukemia
- Being tested
- gemtuzumab ozogamicin, observation, Cytosine arabinoside, Daunomycin
- Keywords
- untreated adult acute myeloid leukemia, adult acute eosinophilic leukemia, adult acute basophilic leukemia, adult acute monocytic leukemia (M5b), adult acute erythroid leukemia (M6), adult acute megakaryoblastic leukemia (M7), adult acute minimally differentiated myeloid leukemia (M0), adult acute myeloblastic leukemia with maturation (M2), adult acute myeloblastic leukemia without maturation (M1), adult acute myelomonocytic leukemia (M4), adult acute monoblastic leukemia (M5a), adult acute myeloid leukemia with 11q23 (MLL) abnormalities, adult acute myeloid leukemia with inv(16)(p13;q22), adult acute myeloid leukemia with t(16;16)(p13;q22), adult acute myeloid leukemia with t(8;21)(q22;q22)
- Medical subject headings
- Leukemia, Leukemia, Eosinophilic, Acute, Leukemia, Basophilic, Acute, Leukemia, Monocytic, Acute, Leukemia, Erythroblastic, Acute, Leukemia, Megakaryoblastic, Acute, Leukemia, Myeloid, Acute, Leukemia, Myelomonocytic, Acute
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
gemtuzumab ozogamicinDrug
Also called mylotarg
Given IV, induction Arm1 6mg/m2 D4; post-consolidation 5mg/m2 3 doses >/= 28 days apart
observationOther
No treatment given
Cytosine arabinosideDrug
Also called Ara-C
IV; induction Arms1/2 and reinduction 100 mg/m2/d days 1-7; consolidation 3gm/m2 q3hrs D1, 3, 5
DaunomycinDrug
Also called daunorubicin
IV; induction Arm1 45mg/m2 D1-3; Arm2 and reinduction 60 mg/m2 D1-3;
| Study group | Role | What they receive |
|---|---|---|
| Post-consolidation GO | Experimental | Patients receive gemtuzumab ozogamicin IV over 2 hours on day 1. Treatment repeats every 28 days for 3 courses in the absence of disease progression or unacceptable toxicity. Receives: Drug: gemtuzumab ozogamicin |
| Post-consolidation observation | Other | Patients receive no additional therapy. Patients are observed at days 30 and 60 after randomization. Receives: Other: observation |
| Induction 7+3 | Active comparator | Standard induction regimen of 7 days of Ara-C (cytosine arabinoside) and 3 days of daunomycin Receives: Drug: Cytosine arabinoside; Drug: Daunomycin |
| Induction 7+3+GO | Active comparator | Gemtuzumab (GO) added to the standard induction regimen of 7 days of Ara-C and 3 days of daunomycin Receives: Drug: Cytosine arabinoside; Drug: Daunomycin |
What is being measured
The primary outcome is the main question the study is designed to answer.
2-year Disease-free Survival (DFS)
Measured from data of randomization to post-consolidation therapy until relapse from complete response or death from any cause, with observations censored at the date of last contact for patients last known to be alive without report of relapse.
Measured: After completing any treatment, every 6 months for 2 years, than annually for years 3-5
Complete Remission
Measured: After induction therapy was completed (1 or 2 months)
Secondary outcomes (1)
Toxicity
Number of patients with Grade 3-5 adverse events that are related to study drug by given type of adverse event
Measured: For induction, daily for the first 10 days, then twice weekly until consolidation treatment. Weekly during consolidation treatment. Weekly if randomized to post-consolidation G.O.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Jun 2004 (estimated)
- Study startJul 2004
- Primary completionMar 2010
- Study completionAug 2014
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (5)Papers the sponsor has linked to this study.
- Other trials for LeukemiaStudies of the same condition, open and under way.
- More trials run by SWOG Cancer Research NetworkThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 637 participants (actual)
Sponsor and investigators
- Lead sponsor
- SWOG Cancer Research Network
- Sponsor type
- Research network
- Collaborators
- National Cancer Institute (NCI)
- Responsible party
- Sponsor
- Investigators
- Stephen H. Petersdorf, MD, Study chair, Seattle Cancer Care Alliance
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00085709
- Sponsor's protocol ID
- S0106
- Other IDs
- U10CA032102, S0106
- Status last verified
- Sep 2015
- First submitted
- 14 Jun 2004
- Last updated
- 30 Sep 2015
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
Publications
Dillon LW, Higgins J, Nasif H, Othus M, Beppu L, Smith TH, Schmidt E, Valentine Iii CC, Salk JJ, Wood BL, Erba HP, Radich JP, Hourigan CS. Quantification of measurable residual disease using duplex sequencing in adults with acute myeloid leukemia. Haematologica. 2024 Feb 1;109(2):401-410. doi: 10.3324/haematol.2023.283520.
PubMed 37534515Zarnegar-Lumley S, Alonzo TA, Gerbing RB, Othus M, Sun Z, Ries RE, Wang J, Leonti A, Kutny MA, Ostronoff F, Radich JP, Appelbaum FR, Pogosova-Agadjanyan EL, O'Dwyer K, Tallman MS, Litzow M, Atallah E, Cooper TM, Aplenc RA, Abdel-Wahab O, Gamis AS, Luger S, Erba H, Levine R, Kolb EA, Stirewalt DL, Meshinchi S, Tarlock K. Characteristics and prognostic impact of IDH mutations in AML: a COG, SWOG, and ECOG analysis. Blood Adv. 2023 Oct 10;7(19):5941-5953. doi: 10.1182/bloodadvances.2022008282.
PubMed 37267439Medeiros BC, Othus M, Fang M, Appelbaum FR, Erba HP. Cytogenetic heterogeneity negatively impacts outcomes in patients with acute myeloid leukemia. Haematologica. 2015 Mar;100(3):331-5. doi: 10.3324/haematol.2014.117267. Epub 2014 Dec 19.
PubMed 25527568Medeiros BC, Othus M, Estey EH, Fang M, Appelbaum FR. Unsuccessful diagnostic cytogenetic analysis is a poor prognostic feature in acute myeloid leukaemia. Br J Haematol. 2014 Jan;164(2):245-50. doi: 10.1111/bjh.12625. Epub 2013 Oct 28.
PubMed 24383844Petersdorf SH, Kopecky KJ, Slovak M, Willman C, Nevill T, Brandwein J, Larson RA, Erba HP, Stiff PJ, Stuart RK, Walter RB, Tallman MS, Stenke L, Appelbaum FR. A phase 3 study of gemtuzumab ozogamicin during induction and postconsolidation therapy in younger patients with acute myeloid leukemia. Blood. 2013 Jun 13;121(24):4854-60. doi: 10.1182/blood-2013-01-466706. Epub 2013 Apr 16.
PubMed 23591789
Study at a glance
From the registry record, last updated by the sponsor on 30 Sep 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase III Study of the Addition of Gemtuzumab Ozogamicin (Mylotarg®) During Induction Therapy Versus Standard Induction With Daunomycin and Cytosine Arabinoside Followed by Consolidation and Subsequent Randomization to Post-Consolidation Therapy With Gemtuzumab Ozogamicin (Mylotarg®) or No Additional Therapy For Patients Under Age 61 With Previously Untreated De Novo Acute Myeloid Leukemia (AML)
- ClinicalTrials.gov ID
- NCT00085709
- Acronym / sponsor ID
- S0106
- Conditions
- Leukemia
- Keywords
- untreated adult acute myeloid leukemia, adult acute eosinophilic leukemia, adult acute basophilic leukemia, adult acute monocytic leukemia (M5b), adult acute erythroid leukemia (M6), adult acute megakaryoblastic leukemia (M7), adult acute minimally differentiated myeloid leukemia (M0), adult acute myeloblastic leukemia with maturation (M2)
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 637 participants (actual)
- Lead sponsor
- SWOG Cancer Research NetworkResearch network
- Collaborators
- National Cancer Institute (NCI)
- Study start
- Jul 2004
- Primary completion
- Mar 2010 (actual)
- Study completion
- Aug 2014 (actual)
- First posted
- 16 Jun 2004 (estimated)
- Results
- Posted 27 Aug 2012
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
RATIONALE: Drugs used in chemotherapy, such as cytarabine and daunorubicin, work in different ways to stop cancer cells from dividing so they stop growing and die. Monoclonal antibodies, such as gemtuzumab ozogamicin, can locate cancer cells and either kill them or deliver cancer-killing substances to them without harming normal cells. Combining chemotherapy with gemtuzumab ozogamicin may kill more cancer cells. It is not yet known whether induction therapy using cytarabine and daunorubicin is more effective with or without gemtuzumab ozogamicin or whether postconsolidation therapy using gemtuzumab ozogamicin is more effective than no additional therapy in treating de novo (first occurrence) acute myeloid leukemia.
PURPOSE: This randomized phase III trial is comparing two different regimens of chemotherapy and monoclonal antibody therapy to see how well they work in treating patients with previously untreated de novo acute myeloid leukemia.
Detailed description
OBJECTIVES:
- Compare disease-free survival of patients with previously untreated de novo acute myeloid leukemia treated with induction therapy comprising cytarabine and daunorubicin with vs without gemtuzumab ozogamicin followed by consolidation therapy comprising high-dose cytarabine and post-consolidation therapy comprising gemtuzumab ozogamicin vs no additional therapy.
- Compare the complete remission rate in patients treated with these regimens.
- Compare the frequency and severity of the toxic effects of these regimens in these patients.
Other objectives (if funding allows):
- Determine the prognostic significance of CD33 expression on the response rate in patients receiving gemtuzumab ozogamicin.
- Determine the prognostic significance of FLT3 mutations in these patients before treatment with these regimens.
- Determine the prognostic significance of minimal residual disease in remission specimens from these patients treated with these regimens.
- Determine the prognostic significance of the flow cytometric detection of minimal residual disease in specimens collected from these patients treated with these regimens.
OUTLINE: This is a randomized, multicenter study. Patients are stratified during induction therapy according to age (< 35 years vs ≥ 35 years) and during post-consolidation therapy according to preinduction cytogenetic risk group.
- Induction therapy: Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive daunorubicin IV on days 1-3, cytarabine IV continuously on days 1-7, and gemtuzumab ozogamicin IV over 2 hours on day 4. Patients receive filgrastim (G-CSF) or sargramostim (GM-CSF) IV or subcutaneously once daily beginning on day 15 and continuing until blood counts recover.
- Arm II: Patients receive daunorubicin, cytarabine, and G-CSF or GM-CSF as in arm I.
Patients in both arms undergo bone marrow aspiration and biopsy on day 14 (and on day 19, if applicable) and then proceed to reinduction therapy.
- Reinduction therapy: Patients receive daunorubicin IV on days 1-3 and cytarabine IV continuously on days 1-7. Patients also receive G-CSF or GM-CSF as in induction therapy.
Patients who achieve A1 bone marrow, B1 peripheral blood, and C1 extramedullary disease status proceed to consolidation therapy.
- Consolidation therapy: Patients receive high-dose cytarabine IV over 3 hours twice daily on days 1, 3, and 5. Treatment repeats every 28 days for 3 courses in the absence of disease progression or unacceptable toxicity.
Patients who maintain A1 bone marrow, B1 peripheral blood, and C1 extramedullary disease status after consolidation therapy proceed to post-consolidation therapy.
- Post-consolidation therapy: Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive gemtuzumab ozogamicin IV over 2 hours on day 1. Treatment repeats every 28 days for 3 courses in the absence of disease progression or unacceptable toxicity.
- Arm II: Patients receive no additional therapy. Patients are observed at days 30 and 60 after randomization.
Patients are followed every 3 months for 1 year, every 6 months for 1 year, and then annually for 3 years.
PROJECTED ACCRUAL: A total of 684 patients (342 per treatment arm) will be accrued for this study within 4.5-5 years.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| Post-consolidation GO | Experimental | Drug: gemtuzumab ozogamicinPatients receive gemtuzumab ozogamicin IV over 2 hours on day 1. Treatment repeats every 28 days for 3 courses in the absence of disease progression or unacceptable toxicity. |
| Post-consolidation observation | Other | Other: observationPatients receive no additional therapy. Patients are observed at days 30 and 60 after randomization. |
| Induction 7+3 | Active comparator | Drug: Cytosine arabinoside, Drug: DaunomycinStandard induction regimen of 7 days of Ara-C (cytosine arabinoside) and 3 days of daunomycin |
| Induction 7+3+GO | Active comparator | Drug: Cytosine arabinoside, Drug: DaunomycinGemtuzumab (GO) added to the standard induction regimen of 7 days of Ara-C and 3 days of daunomycin |
Who may qualify
- Ages
- 18 to 60 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| gemtuzumab ozogamicinAlso: mylotargGiven IV, induction Arm1 6mg/m2 D4; post-consolidation 5mg/m2 3 doses >/= 28 days apart | Drug | Post-consolidation GO |
| observationNo treatment given | Other | Post-consolidation observation |
| Cytosine arabinosideAlso: Ara-CIV; induction Arms1/2 and reinduction 100 mg/m2/d days 1-7; consolidation 3gm/m2 q3hrs D1, 3, 5 | Drug | Induction 7+3, Induction 7+3+GO |
| DaunomycinAlso: daunorubicinIV; induction Arm1 45mg/m2 D1-3; Arm2 and reinduction 60 mg/m2 D1-3; | Drug | Induction 7+3, Induction 7+3+GO |
Primary outcome
2-year Disease-free Survival (DFS)
Time frame: After completing any treatment, every 6 months for 2 years, than annually for years 3-5
Measured from data of randomization to post-consolidation therapy until relapse from complete response or death from any cause, with observations censored at the date of last contact for patients last known to be alive without report of relapse.
Complete Remission
Time frame: After induction therapy was completed (1 or 2 months)
1 secondary outcome
Toxicity
Time frame: For induction, daily for the first 10 days, then twice weekly until consolidation treatment. Weekly during consolidation treatment. Weekly if randomized to post-consolidation G.O.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Sep 2015.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 37534515Dillon LW, Higgins J, Nasif H, Othus M, Beppu L, Smith TH, Schmidt E, Valentine Iii CC, Salk JJ, Wood BL, Erba HP, Radich JP, Hourigan CS. Quantification of measurable residual disease using duplex sequencing in adults with acute myeloid leukemia. Haematologica. 2024 Feb 1;109(2):401-410. doi: 10.3324/haematol.2023.283520.
- Derived from this study: PubMed 37267439Zarnegar-Lumley S, Alonzo TA, Gerbing RB, Othus M, Sun Z, Ries RE, Wang J, Leonti A, Kutny MA, Ostronoff F, Radich JP, Appelbaum FR, Pogosova-Agadjanyan EL, O'Dwyer K, Tallman MS, Litzow M, Atallah E, Cooper TM, Aplenc RA, Abdel-Wahab O, Gamis AS, Luger S, Erba H, Levine R, Kolb EA, Stirewalt DL, Meshinchi S, Tarlock K. Characteristics and prognostic impact of IDH mutations in AML: a COG, SWOG, and ECOG analysis. Blood Adv. 2023 Oct 10;7(19):5941-5953. doi: 10.1182/bloodadvances.2022008282.
- Derived from this study: PubMed 25527568Medeiros BC, Othus M, Fang M, Appelbaum FR, Erba HP. Cytogenetic heterogeneity negatively impacts outcomes in patients with acute myeloid leukemia. Haematologica. 2015 Mar;100(3):331-5. doi: 10.3324/haematol.2014.117267. Epub 2014 Dec 19.
- Derived from this study: PubMed 24383844Medeiros BC, Othus M, Estey EH, Fang M, Appelbaum FR. Unsuccessful diagnostic cytogenetic analysis is a poor prognostic feature in acute myeloid leukaemia. Br J Haematol. 2014 Jan;164(2):245-50. doi: 10.1111/bjh.12625. Epub 2013 Oct 28.
- Derived from this study: PubMed 23591789Petersdorf SH, Kopecky KJ, Slovak M, Willman C, Nevill T, Brandwein J, Larson RA, Erba HP, Stiff PJ, Stuart RK, Walter RB, Tallman MS, Stenke L, Appelbaum FR. A phase 3 study of gemtuzumab ozogamicin during induction and postconsolidation therapy in younger patients with acute myeloid leukemia. Blood. 2013 Jun 13;121(24):4854-60. doi: 10.1182/blood-2013-01-466706. Epub 2013 Apr 16.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Stephen H. Petersdorf, MD study chair
Seattle Cancer Care Alliance
279 sites in 3 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing gemtuzumab ozogamicin, observation and Cytosine arabinoside in people with Leukemia, run by SWOG Cancer Research Network at 279 sites in 3 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 30 Sep 2015. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 279 sites in United States, Canada, Sweden. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 27 Aug 2012). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
2-year Disease-free Survival (DFS) (time frame: After completing any treatment, every 6 months for 2 years, than annually for years 3-5). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00085709, which also lists 5 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Sep 2015.