Brain TumorsPhase 1/2NCT00107471
Topotecan, G-CSF, and Radiation Therapy in Treating Young Patients With Newly Diagnosed Brain Stem Glioma
A Phase 1/2 study testing filgrastim, topotecan hydrochloride and radiation therapy in people with Brain Tumors and Central Nervous System Tumors, run by Children's Oncology Group at 80 sites in 4 countries.
Trial summary
RATIONALE: Drugs used in chemotherapy, such as topotecan, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Read more about this study
- Who is it for?
- Ages 3 to 21 years
- Conditions the study is for
- Brain Tumors, Central Nervous System Tumors
- What is being tested?
- filgrastim, topotecan hydrochloride and radiation therapy
- Type of treatment
- Injection or infusion, Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 7 participants
- Where
- 80 sitesin 4 countries
- Study dates
- Oct 2005to Oct 2007
- Phase
- Phase 1/2
- Are there results?
- None posted in the registry
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 3 to 21 years
- All sexes
- No healthy volunteers
- Child, Adult
DISEASE CHARACTERISTICS:
- Diagnosis of intrinsic pontine brain stem glioma within the past 30 days
- Histologic confirmation not required provided the tumor has a pontine epicenter AND exhibits diffuse (rather than focal) involvement of ≥ 2/3 of the pons with or without extension to the adjacent medulla or midbrain* NOTE: *Brain stem tumors that do not meet these criteria must be histologically confirmed as grade III or IV malignant glioma
- Measurable disease by radiographic imaging
- Post-operative MRI required within the past 30 days if patient had a biopsy or surgical resection
- No disseminated disease
- No neurofibromatosis type 1
PATIENT CHARACTERISTICS:
Age
- 3 to 21 at diagnosis
Performance status
- Lansky 50-100% OR
- Karnofsky 50-100%
Life expectancy
- At least 8 weeks
Hematopoietic
- Absolute neutrophil count ≥ 1,000/mm^3
- Platelet count ≥ 100,000/mm^3 (transfusion independent)
- Hemoglobin ≥ 10.0 g/dL (transfusion allowed)
Hepatic
- Bilirubin ≤ 1.5 times upper limit of normal (ULN)
- ALT < 2.5 times ULN
Renal
- Creatinine clearance or radioisotope glomerular filtration rate ≥ 70 mL/min OR
- Creatinine based on age as follows:
- No greater than 0.8 mg/dL (for patients ≤ 5 years of age)
- No greater than 1.0 mg/dL (for patients 6 to 10 years of age)
- No greater than 1.2 mg/dL (for patients 11 to 15 years of age)
- No greater than 1.5 mg/dL (for patients over 15 years of age)
Other
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- Not severely somnolent or comatose
- Central cortical neurotoxicity scale < grade 3
PRIOR CONCURRENT THERAPY:
Biologic therapy
- No concurrent immunomodulating agents
Chemotherapy
- No other concurrent anticancer chemotherapy
Endocrine therapy
- Concurrent corticosteroids allowed for neurological deficits related to the tumor
Radiotherapy
- No prior radiotherapy
Surgery
- See Disease Characteristics
- Prior biopsy or surgical resection for malignant brain stem glioma allowed
Other
- No other prior therapy for malignant brain stem glioma
Trial locations and contacts
80 sites in 4 countries.
80 sites in 4 countries
United States72 sites
University of New Mexico Cancer Research and Treatment Center
Albuquerque, New Mexico, 87131-5636
Texas Tech University Health Sciences Center School of Medicine - Amarillo
Amarillo, Texas, 79106
C.S. Mott Children's Hospital at University of Michigan Medical Center
Ann Arbor, Michigan, 48109-0238
CancerCare of Maine at Eastern Maine Medial Center
Bangor, Maine, 04401
Lurleen Wallace Comprehensive Cancer at University of Alabama-Birmingham
Birmingham, Alabama, 35294
St. Luke's Mountain States Tumor Institute - Boise
Boise, Idaho, 83712-6297
Floating Hospital for Children at Tufts - New England Medical Center
Boston, Massachusetts, 02111
Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute
Boston, Massachusetts, 02115
Hollings Cancer Center at Medical University of South Carolina
Charleston, South Carolina, 29425
West Virginia University - Robert C. Byrd Health Sciences Center - Charleston Division
Charleston, West Virginia, 25302
Blumenthal Cancer Center at Carolinas Medical Center
Charlotte, North Carolina, 28232-2861
University of Illinois Cancer Center
Chicago, Illinois, 60612-7243
Children's Memorial Hospital - Chicago
Chicago, Illinois, 60614
University of Chicago Cancer Research Center
Chicago, Illinois, 60637-1470
Cincinnati Children's Hospital Medical Center
Cincinnati, Ohio, 45229-3039
Rainbow Babies and Children's Hospital
Cleveland, Ohio, 44106-5000
Cleveland Clinic Taussig Cancer Center
Cleveland, Ohio, 44195-5217
Palmetto Health South Carolina Cancer Center
Columbia, South Carolina, 29203
Columbus Children's Hospital
Columbus, Ohio, 43205-2696
Driscoll Children's Hospital
Corpus Christi, Texas, 78466
Simmons Comprehensive Cancer Center at University of Texas Southwestern Medical Center - Dallas
Dallas, Texas, 75390
Children's Medical Center - Dayton
Dayton, Ohio, 45404-1815
Barbara Ann Karmanos Cancer Institute
Detroit, Michigan, 48201-1379
Southern California Permanente Medical Group
Downey, California, 90242-2814
Carole and Ray Neag Comprehensive Cancer Center at the University of Connecticut Health Center
Farmington, Connecticut, 06360-2875
Lee Cancer Care of Lee Memorial Health System
Fort Myers, Florida, 33901
Cook Children's Medical Center - Fort Worth
Fort Worth, Texas, 76104-9958
University of Florida Shands Cancer Center
Gainesville, Florida, 32610-0232
Spectrum Health Hospital - Butterworth Campus
Grand Rapids, Michigan, 49503-2560
Hackensack University Medical Center Cancer Center
Hackensack, New Jersey, 07601
Penn State Cancer Institute at Milton S. Hershey Medical Center
Hershey, Pennsylvania, 17033-0850
Cancer Research Center of Hawaii
Honolulu, Hawaii, 95813
Edwards Comprehensive Cancer Center at Cabell Huntington Hospital
Huntington, West Virginia, 25701
Indiana University Cancer Center
Indianapolis, Indiana, 46202-5289
University of Mississippi Medical Center
Jackson, Mississippi, 39216-4505
Nemours Children's Clinic
Jacksonville, Florida, 32207
CCOP - Kalamazoo
Kalamazoo, Michigan, 49007-5341
Kansas Masonic Cancer Research Institute at the University of Kansas Medical Center
Kansas City, Kansas, 66160-7357
Children's Mercy Hospital
Kansas City, Missouri, 64108
Sunrise Hospital and Medical Center
Las Vegas, Nevada, 89109-2306
Norris Cotton Cancer Center at Dartmouth - Hitchcock Medical Center
Lebanon, New Hampshire, 03756-0002
Arkansas Cancer Research Center at University of Arkansas for Medical Sciences
Little Rock, Arkansas, 72205
Kosair Children's Hospital
Louisville, Kentucky, 40232
Children's Hospital Central California
Madera, California, 93638-8762
University of Miami Sylvester Comprehensive Cancer Center
Miami, Florida, 33136
Midwest Children's Cancer Center
Milwaukee, Wisconsin, 53226
Children's Hospitals and Clinics of Minnesota - Minneapolis
Minneapolis, Minnesota, 55404
University of Minnesota Medical Center & Children's Hospital - Fairview
Minneapolis, Minnesota, 55455
Overlook Hospital
Morristown, New Jersey, 07962
Vanderbilt-Ingram Cancer Center
Nashville, Tennessee, 37232-6310
NYU Cancer Institute at New York University Medical Center
New York, New York, 10016
Herbert Irving Comprehensive Cancer Center at Columbia University
New York, New York, 10032
Advocate Christ Medical Center
Oak Lawn, Illinois, 60453
Oklahoma University Cancer Institute
Oklahoma City, Oklahoma, 73104
Children's Hospital of Orange County
Orange, California, 92868
Florida Hospital Cancer Institute at Florida Hospital Orlando
Orlando, Florida, 32803-1273
Nemours Children's Clinic - Orlando
Orlando, Florida, 32806
Sacred Heart Cancer Center at Sacred Heart Hospital
Pensacola, Florida, 32504
Saint Jude Midwest Affiliate
Peoria, Illinois, 61637
Phoenix Children's Hospital
Phoenix, Arizona, 85016-7710
Children's Hospital of Pittsburgh
Pittsburgh, Pennsylvania, 15213
Mayo Clinic Cancer Center
Rochester, Minnesota, 55905
James P. Wilmot Cancer Center at University of Rochester Medical Center
Rochester, New York, 14642
Sutter Cancer Center
Sacramento, California, 95816
Primary Children's Medical Center
Salt Lake City, Utah, 84113-1100
Methodist Children's Hospital of South Texas
San Antonio, Texas, 78229-3993
Providence Cancer Center at Sacred Heart Medical Center
Spokane, Washington, 99220-2555
Siteman Cancer Center at Barnes-Jewish Hospital
St Louis, Missouri, 63110
Stanford Comprehensive Cancer Center - Stanford
Stanford, California, 94305
SUNY Upstate Medical University Hospital
Syracuse, New York, 13210
St. Joseph's Cancer Institute at St. Joseph's Hospital
Tampa, Florida, 33607
New York Medical College
Valhalla, New York, 10595
Canada4 sites
Children's Hospital of Western Ontario
London, Ontario, N6A 4G5
Montreal Children's Hospital at McGill University Health Center
Montreal, Quebec, H3H 1P3
Hopital Sainte Justine
Montreal, Quebec, H3T 1C5
Saskatoon Cancer Centre at the University of Saskatchewan
Saskatoon, Saskatchewan, S7N 4H4
Australia3 sites
Royal Children's Hospital
Herston, Brisbane, Queensland, 4029
Women's and Children's Hospital
North Adelaide, South Australia, 5006
Princess Margaret Hospital for Children
Perth, Western Australia, 6001
About this study
Official title: A Phase I/II Study of Topotecan With G-CSF and Radiation Therapy in Children With Malignant Intrinsic Pontine Brainstem Gliomas of Childhood
RATIONALE: Drugs used in chemotherapy, such as topotecan, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Colony-stimulating factors, such as G-CSF, may increase the number of immune cells found in bone marrow or peripheral blood and may help the immune system recover from the side effects of chemotherapy. Radiation therapy uses high-energy x-rays to kill tumor cells. Topotecan may make tumor cells more sensitive to radiation therapy . Giving topotecan and G-CSF together with radiation therapy may be an effective treatment for brain stem glioma.
PURPOSE: This phase I/II trial is studying the side effects and best dose of topotecan when given together with G-CSF and radiation therapy and to see how well they work in treating young patients with newly diagnosed brain stem glioma.
Read the detailed description
OBJECTIVES:
Primary
- Determine the feasibility of escalating the dose of topotecan when administered with filgrastim (G-CSF) and radiotherapy, in terms of increasing the topotecan dose 25-50% above the maximum tolerated dose (MTD) determined in a prior phase I study, in young patients with newly diagnosed malignant intrinsic pontine brain stem glioma. (Phase I)
- Determine the dose-limiting toxic effects of topotecan in these patients. (Phase I)
- Determine the 1-year event-free survival and overall survival of patients treated with this regimen (at the MTD of topotecan determined in phase I). (Phase II)
- Determine the toxicity of this regimen in these patients. (Phase II)
Secondary
- Determine the pharmacokinetics of this regimen in these patients.
OUTLINE: This is a multicenter, phase I, dose-escalation study of topotecan followed by a phase II study.
- Phase I: Patients receive topotecan IV over 30 minutes followed by radiotherapy once daily, 5 days a week for 6-7 weeks. During chemoradiotherapy, patients also receive filgrastim (G-CSF) IV or subcutaneously daily, if needed, until blood counts recover. Treatment continues in the absence of disease progression or unacceptable toxicity.
Cohorts of 3-6 patients receive escalating doses of topotecan until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 out of 6 patients experience dose-limiting toxicity.
- Phase II: Patients receive topotecan (at the MTD determined in phase I ), G-CSF, and radiotherapy as in phase I.
After completion of study treatment, patients are followed within 2 weeks, every 3 months for 1.5 years, every 6 months for 1.5 years, and then annually until disease relapse.
PROJECTED ACCRUAL: A total of 3-72 patients (3-12 for phase I and 60 for phase II) will be accrued for this study within approximately 3 years.
- Conditions
- Brain Tumors, Central Nervous System Tumors
- Being tested
- filgrastim, topotecan hydrochloride, radiation therapy
- Keywords
- untreated childhood brain stem glioma
- Medical subject headings
- Brain Neoplasms, Central Nervous System Neoplasms
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
filgrastimBiological
Also called Granulocyte Colony-Stimulating Factor, r-metHuG-CSF, G-CSF, Neupogen
Given PO
topotecan hydrochlorideDrug
Also called SKF-104864, Hycamtin, NSC #609699
Given IV
radiation therapyRadiation
Also called Conformal therapy or Intensity modulated radiation therapy (IMRT) may be, used.
| Study group | Role | What they receive |
|---|---|---|
| Dose Level I (0.5 mg/m^2) | Experimental | Radiation Therapy + Topotecan hydrochloride daily before each dose of irradiation (radiation therapy) + filgrastim (G-CSF) (p.r.n) Receives: Biological: filgrastim; Drug: topotecan hydrochloride; Radiation: radiation therapy |
| Dose Level 2 (0.6 mg/m^2) | Experimental | Radiation Therapy + Topotecan hydrochloride daily before each dose of irradiation (radiation therapy) + filgrastim (G-CSF) (p.r.n.) Receives: Biological: filgrastim; Drug: topotecan hydrochloride; Radiation: radiation therapy |
What is being measured
The primary outcome is the main question the study is designed to answer.
Time to treatment failure (e.g., tumor progression, tumor recurrence, or death from any cause)
Measured: From date of enrollment until the first occurrence of relapse, progressive disease, secondary malignancy, or death or until last contact if none of these events occur, assessed up to 3 years
Secondary outcomes (1)
Time to death
Measured: From the time of study entry to the first occurrence of death by any cause
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted6 Apr 2005 (estimated)
- Study startOct 2005
- Primary completionOct 2007
Why it stopped: The unpromising experience of the French group with topotecan given at a dosage of 0.4 mg/m2/day over 30 mins w/in 1 hr of radiation (Cancer 2005; 104: 2792).
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Brain TumorsStudies of the same condition, open and under way.
- More trials run by Children's Oncology GroupThe 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 1/2
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 7 participants (actual)
Sponsor and investigators
- Lead sponsor
- Children's Oncology Group
- Sponsor type
- Research network
- Collaborators
- National Cancer Institute (NCI)
- Responsible party
- Sponsor
- Investigators
- Patricia L. Robertson, MD, Study chair, University of Michigan Rogel Cancer CenterRichard A. Axtell, MD, Study chair, Helen DeVos Children's Hospital at Spectrum Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00107471
- Sponsor's protocol ID
- ACNS0224
- Other IDs
- CDR0000417842, COG-ACNS0224
- Status last verified
- Dec 2013
- First submitted
- 5 Apr 2005
- Last updated
- 10 Dec 2013
- Results posted
- No
- Data monitoring committee
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 10 Dec 2013. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase I/II Study of Topotecan With G-CSF and Radiation Therapy in Children With Malignant Intrinsic Pontine Brainstem Gliomas of Childhood
- ClinicalTrials.gov ID
- NCT00107471
- Acronym / sponsor ID
- ACNS0224
- Conditions
- Brain Tumors, Central Nervous System Tumors
- Keywords
- untreated childhood brain stem glioma
- Phase
- Phase 1/2
- Study type
- Interventional
- Recruitment status
- TerminatedReason stopped: The unpromising experience of the French group with topotecan given at a dosage of 0.4 mg/m2/day over 30 mins w/in 1 hr of radiation (Cancer 2005; 104: 2792).
- Enrolment
- 7 participants (actual)
- Lead sponsor
- Children's Oncology GroupResearch network
- Collaborators
- National Cancer Institute (NCI)
- Study start
- Oct 2005
- Primary completion
- Oct 2007 (actual)
- First posted
- 6 Apr 2005 (estimated)
- Results
- Not posted in the source record
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 topotecan, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Colony-stimulating factors, such as G-CSF, may increase the number of immune cells found in bone marrow or peripheral blood and may help the immune system recover from the side effects of chemotherapy. Radiation therapy uses high-energy x-rays to kill tumor cells. Topotecan may make tumor cells more sensitive to radiation therapy . Giving topotecan and G-CSF together with radiation therapy may be an effective treatment for brain stem glioma.
PURPOSE: This phase I/II trial is studying the side effects and best dose of topotecan when given together with G-CSF and radiation therapy and to see how well they work in treating young patients with newly diagnosed brain stem glioma.
Detailed description
OBJECTIVES:
Primary
- Determine the feasibility of escalating the dose of topotecan when administered with filgrastim (G-CSF) and radiotherapy, in terms of increasing the topotecan dose 25-50% above the maximum tolerated dose (MTD) determined in a prior phase I study, in young patients with newly diagnosed malignant intrinsic pontine brain stem glioma. (Phase I)
- Determine the dose-limiting toxic effects of topotecan in these patients. (Phase I)
- Determine the 1-year event-free survival and overall survival of patients treated with this regimen (at the MTD of topotecan determined in phase I). (Phase II)
- Determine the toxicity of this regimen in these patients. (Phase II)
Secondary
- Determine the pharmacokinetics of this regimen in these patients.
OUTLINE: This is a multicenter, phase I, dose-escalation study of topotecan followed by a phase II study.
- Phase I: Patients receive topotecan IV over 30 minutes followed by radiotherapy once daily, 5 days a week for 6-7 weeks. During chemoradiotherapy, patients also receive filgrastim (G-CSF) IV or subcutaneously daily, if needed, until blood counts recover. Treatment continues in the absence of disease progression or unacceptable toxicity.
Cohorts of 3-6 patients receive escalating doses of topotecan until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 out of 6 patients experience dose-limiting toxicity.
- Phase II: Patients receive topotecan (at the MTD determined in phase I ), G-CSF, and radiotherapy as in phase I.
After completion of study treatment, patients are followed within 2 weeks, every 3 months for 1.5 years, every 6 months for 1.5 years, and then annually until disease relapse.
PROJECTED ACCRUAL: A total of 3-72 patients (3-12 for phase I and 60 for phase II) will be accrued for this study within approximately 3 years.
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Dose Level I (0.5 mg/m^2) | Experimental | Biological: filgrastim, Drug: topotecan hydrochloride, Radiation: radiation therapyRadiation Therapy + Topotecan hydrochloride daily before each dose of irradiation (radiation therapy) + filgrastim (G-CSF) (p.r.n) |
| Dose Level 2 (0.6 mg/m^2) | Experimental | Biological: filgrastim, Drug: topotecan hydrochloride, Radiation: radiation therapyRadiation Therapy + Topotecan hydrochloride daily before each dose of irradiation (radiation therapy) + filgrastim (G-CSF) (p.r.n.) |
Who may qualify
- Ages
- 3 to 21 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, 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 |
|---|---|---|
| filgrastimAlso: Granulocyte Colony-Stimulating Factor, r-metHuG-CSF, G-CSF, NeupogenGiven PO | Biological | Dose Level 2 (0.6 mg/m^2), Dose Level I (0.5 mg/m^2) |
| topotecan hydrochlorideAlso: SKF-104864, Hycamtin, NSC #609699Given IV | Drug | Dose Level 2 (0.6 mg/m^2), Dose Level I (0.5 mg/m^2) |
| radiation therapyAlso: Conformal therapy or Intensity modulated radiation therapy (IMRT) may be, used. | Radiation | Dose Level 2 (0.6 mg/m^2), Dose Level I (0.5 mg/m^2) |
Primary outcome
Time to treatment failure (e.g., tumor progression, tumor recurrence, or death from any cause)
Time frame: From date of enrollment until the first occurrence of relapse, progressive disease, secondary malignancy, or death or until last contact if none of these events occur, assessed up to 3 years
1 secondary outcome
Time to death
Time frame: From the time of study entry to the first occurrence of death by any cause
Results and safety
The study was stopped early (reason given: The unpromising experience of the French group with topotecan given at a dosage of 0.4 mg/m2/day over 30 mins w/in 1 hr of radiation (Cancer 2005; 104: 2792).). Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 10 Dec 2013.
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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.
Patricia L. Robertson, MD study chair
University of Michigan Rogel Cancer Center
Richard A. Axtell, MD study chair
Helen DeVos Children's Hospital at Spectrum Health
80 sites in 4 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1/2 study testing filgrastim, topotecan hydrochloride and radiation therapy in people with Brain Tumors and Central Nervous System Tumors, run by Children's Oncology Group at 80 sites in 4 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: stopped early, as of the sponsor's last update on 10 Dec 2013. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 80 sites in United States, Canada, Australia, Switzerland. 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 combined phase mean?
Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study was stopped early (reason given: The unpromising experience of the French group with topotecan given at a dosage of 0.4 mg/m2/day over 30 mins w/in 1 hr of radiation (Cancer 2005; 104: 2792).). Results are not available in the source record.
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?
Time to treatment failure (e.g., tumor progression, tumor recurrence, or death from any cause) (time frame: From date of enrollment until the first occurrence of relapse, progressive disease, secondary malignancy, or death or until last contact if none of these events occur, assessed up to 3 years). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
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 10 Dec 2013.