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Phase 2 Study Comparing Two Dose Schedules of Telintra™ in Myelodysplastic Syndrome (MDS)

This study has been completed.
Information provided by (Responsible Party):
Telik Identifier:
First received: June 13, 2008
Last updated: October 10, 2011
Last verified: August 2011
This is a randomized, open label, multicenter, Phase 2 study comparing two dose schedules of Telintra in patients with Low or Intermediate-1 risk MDS. Patients at least 18 years of age presenting with histologically confirmed Low to Intermediate-1 risk MDS with documented significant cytopenia for at least two months by the IWG criteria are eligible.

Condition Intervention Phase
Myelodysplastic Syndrome (MDS)
Drug: Ezatiostat Hydrochloride
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Phase 2 Randomized Study Comparing Two Dose Schedules of Ezatiostat Hydrochloride (Telintra™, TLK199 Tablets) in Low to Intermediate-1 Risk Myelodysplastic Syndrome (MDS)

Resource links provided by NLM:

Further study details as provided by Telik:

Primary Outcome Measures:
  • Hematologic Improvement-Erythroid (HI-E) rate [ Time Frame: 24 Weeks ]

Secondary Outcome Measures:
  • Hematologic Improvement-Neutrophil (HI-N) rate, the Hematologic Improvement-Platelet (HI-P) rate, overall hematologic response rate, safety profile and Quality of Life assessments. [ Time Frame: 24 Weeks ]

Estimated Enrollment: 86
Study Start Date: May 2008
Study Completion Date: July 2011
Primary Completion Date: July 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Dose Schedule 1: Two weeks treatment with Telintra 3000 mg per day in two divided doses followed by one week with no treatment per three week cycle.
Drug: Ezatiostat Hydrochloride

Dose Schedule 1-3000 mg orally per day in two divided doses for two weeks followed by 1 week with no treatment per three week cycle.

Dose Schedule 2-2000 mg orally per day in two divided doses for three weeks followed by 1 week with no treatment per four week cycle.

Other Names:
  • Telintra
  • ezatiostat tablets
Experimental: 2
Dose Schedule 2: Three weeks treatment with Telintra 2000 mg per day in two divided doses followed by one week with no treatment per four week cycle.
Drug: Ezatiostat Hydrochloride

Dose Schedule 1-3000 mg orally per day in two divided doses for two weeks followed by 1 week with no treatment per three week cycle.

Dose Schedule 2-2000 mg orally per day in two divided doses for three weeks followed by 1 week with no treatment per four week cycle.

Other Names:
  • Telintra
  • ezatiostat tablets


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Primary or de novo MDS
  • Low or intermediate-1 MDS
  • ECOG performance status 0 or 1
  • Documented significant anemia with or without neutropenia and/or thrombocytopenia
  • Adequate kidney and liver function
  • Patients must have discontinued hematopoietic growth factors at least 3 weeks prior to study entry

Exclusion Criteria:

  • Prior allogenic bone marrow transplant for MDS
  • History of MDS IPSS score greater than 1.0
  • Pregnant or lactating women
  • Any severe concurrent disease, infection, or comorbidity that, in the judgement of the investigator, would make the patient inappropriate for study entry
  • Oral steroids e.g. prednisone >10 mg per day
  • History of active hepatitis B or C
  • Known history of HIV
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00700206

  Hide Study Locations
United States, Arizona
Arizona Cancer Center
Tucson, Arizona, United States, 85724-5024
United States, California
Central Hematology Oncology Medical Group, Inc.
Alhambra, California, United States, 91801
St. Jude Heritage Healthcare
Fullerton, California, United States, 92835
Wilshire Oncology Medical Group, Inc.
La Verne, California, United States, 91750
UCLA Medical Center
Los Angeles, California, United States, 90095
Clinical Trials and Research Associates, Inc.
Montebello, California, United States, 90640
North Valley Hematology/Oncology Medical Group
Northridge, California, United States, 91325
Bay Area Cancer Research Group
Pleasant Hill, California, United States, 94523
Desert Hematology Oncology Medical Group
Rancho Mirage, California, United States, 92270
Cancer Care Associates Medical Group, Inc.
Redondo Beach, California, United States, 92077
Sansum Clinic
Santa Barbara, California, United States, 93105
Santa Barbara Hematology Medical Group, Inc.
Santa Barbara, California, United States, 93105
Central Coast Medical Oncology Corporation
Santa Maria, California, United States, 93454
United States, Colorado
University of Colorado at Denver Health Sciences Center
Aurora, Colorado, United States, 80445
United States, Florida
The Center for Hematology Oncology
Boca Raton, Florida, United States, 33486
Lakeland Regional Cancer Center
Lakeland, Florida, United States, 33805
Moffitt Cancer Center
Tampa, Florida, United States, 33612
United States, Georgia
Northeast Georgia Cancer Care, LLC
Athens, Georgia, United States, 30607
Suburban Hematology-Oncology Associates, P.C.
Lawrenceville, Georgia, United States, 30045
United States, Illinois
Joliet Oncology-Hematology Associates, Ltd.
Joliet, Illinois, United States, 60435
Loyola University Chicago
Maywood, Illinois, United States, 60153
Southern Illinois University School of Medicine
Springfield, Illinois, United States, 62702
United States, Indiana
Central Hematology Oncology Medical Group, Inc.
Terre Haute, Indiana, United States, 47802
United States, Maryland
Center for Cancer and Blood Disorders
Bethesda, Maryland, United States, 20817
United States, Nevada
Comprehensive Cancer Centers of Nevada
Henderson, Nevada, United States, 89052
United States, New Jersey
Cancer Institute of New Jersey
New Brunswick, New Jersey, United States, 08901
United States, New York
St. Vincent's Comprehensive Cancer Center
New York, New York, United States, 10011
University of Rochester Medical Center
Rochester, New York, United States, 14642
United States, Ohio
Case Western Reserve University/University Hospitals of Cleveland
Cleveland, Ohio, United States, 44106
Hematology & Medical Oncology
Cleveland, Ohio, United States, 44195
United States, Oklahoma
The University of Oklahoma Health Sciences Center
Oklahoma City, Oklahoma, United States, 73104
Cancer Care Associates
Oklahoma City, Oklahoma, United States, 73112
Cancer Care Associates
Tulsa, Oklahoma, United States, 74136
United States, Oregon
Kaiser Permanente
Portland, Oregon, United States, 97227
United States, Texas
MD Anderson Cancer Center
Houston, Texas, United States, 77030
Cancer Care Centers of South Texas
San Antonio, Texas, United States, 78229
Sponsors and Collaborators
Study Director: Gail Brown, MD Telik
  More Information

Responsible Party: Telik Identifier: NCT00700206     History of Changes
Other Study ID Numbers: TLK199.2101
Study First Received: June 13, 2008
Last Updated: October 10, 2011

Keywords provided by Telik:
Myelodysplastic Syndrome
Low Risk MDS
Intermediate-1 risk MDS
Int-1 risk MDS
ezatiostat hydrochloride
Glutathione analog
Glutathione Transferase
Glutathione Transferase inhibitor
Glutathione Transferase P1-1 inhibitor
GSTp1-1 inhibitor
Enzyme inhibitor

Additional relevant MeSH terms:
Myelodysplastic Syndromes
Pathologic Processes
Bone Marrow Diseases
Hematologic Diseases
Precancerous Conditions
Neoplasms processed this record on April 28, 2017