Chronic Myeloid LeukemiaPhase 3NCT00327262
Comparing Imatinib Standard Dose With Imatinib High Dose Induction in Pretreated Chronic Myeloid Leukemia (CML) Patients in Chronic Phase
A Phase 3 study testing Imatinib in people with Chronic Myeloid Leukemia, run by Central European Leukemia Study Group at 1 site in Austria.
Trial summary
This study will investigate the efficacy and tolerability of a short (6 months) high dose therapy followed by a standard dose compared to a continuous treatment with a standard dose of imatinib (Glivec®) in pretreated Philadelphia chromosome- positive (Ph+)/BCR-ABL+ CML patients in chronic phase. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Chronic Myeloid Leukemia
- What is being tested?
- Imatinib
- How many people
- 240 participants
- Where
- 1 siteAustria
- Study dates
- Jan 2004to Dec 2008
- Phase
- Phase 3
- 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 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Patients > 18 years of age
- BCR-ABL positive CML patients in chronic phase, confirmed by karyotype (Ph+) or RT-PCR.
- Patients pretreated with any drug that is known to control the disease of CML in chronic phase except imatinib (Glivec®).
- Patients without a major cytogenetic response at study entry (> 35% Ph+ metaphases in bone marrow cytogenetic analysis performed < 3 months before study entry).
- Patients either intolerant to interferon-alpha (non-hematologic toxicity grade 3-4 for more than 2 weeks) or having received pretreatment for CML at least 12 months before study entry.
- World Health Organization (WHO) status 0-2
Show all 14Show fewer
- Adequate end organ function, defined as the following:
- total bilirubin < 1.5 x upper limit of normal (ULN)
- SGOT and SGPT < 2.5 x ULN
- creatinine < 1.5 x ULN
- absolute neutrophil count (ANC) > 1.5 x 10 ^ 9/L
- platelets > 100 x 10 ^ 9/L
- Female patients of childbearing potential must have negative pregnancy test within 7 days before initiation of study drug dosing. Postmenopausal women must be amenorrheic for at least 12 months to be considered of non-childbearing potential. Male and female patients of reproductive potential must agree to employ an effective barrier method of birth control throughout the study and for up to 3 months following discontinuation of study drug.
- Written voluntary informed consent.
Who cannot join
- Patients eligible for allogeneic bone marrow transplantation.
- Patients in accelerated phase or blast crisis.
- Known tuberculosis or other uncontrolled infection.
- Other primary tumor of a different histological origin than the study indication (unless the relapse-free interval is > 5 years, and with the exception of cervical carcinoma in situ [CIS], basal cell epithelioma, or squamous cell carcinoma of the skin).
- Major surgery within the last 14 days.
- Known to be HIV positive.
Show all 14Show fewer
- Unstable medical disorder (except for indication) that excludes the patient in the opinion of the investigator.
- Patient has received any other investigational agents within 28 days of first day of study drug dosing.
- Patients with a WHO performance status score > 3
- Patients with Grade III/IV cardiac problems as defined by the New York Heart Association criteria (i.e., congestive heart failure, myocardial infarction within 6 months of study).
- Female patients who are pregnant or breast-feeding.
- Refusal by female patients of childbearing age to use a safe contraceptive.
- Patients with known chronic liver disease (i.e., chronic active hepatitis, and cirrhosis).
- Patients with any significant history of non-compliance to medical regimens or an inability to grant reliable informed consent.
Trial locations and contacts
1 site in 1 country.
Austria1 site, 1 recruiting
- Recruiting
Medical University Innsbruck
Innsbruck, Tyrol, 6020
Guenther Gastl, MD
Dominic Fong, MD
About this study
Official title: Multicenter, Phase III Study Comparing Imatinib (STI571, Glivec®) Standard Dose (400 Mg/Day) With Imatinib High Dose Induction (800 Mg/Day) Followed by Standard Dose Maintenance (400 Mg/Day) in Pretreated CML Patients in Chronic Phase
This study will investigate the efficacy and tolerability of a short (6 months) high dose therapy followed by a standard dose compared to a continuous treatment with a standard dose of imatinib (Glivec®) in pretreated Philadelphia chromosome- positive (Ph+)/BCR-ABL+ CML patients in chronic phase.
Read the detailed description
Patients with CML not achieving or losing a major cytogenetic response on whatever palliative treatment for CML, are at high risk to progress to accelerated phase and blast crisis. A new promising treatment with Imatinib (Glivec®), a tyrosine-kinase inhibitor, has been introduced recently. High rates of hematologic and cytogenetic responses can be achieved with Imatinib (Glivec®) at > = 300 mg/day in chronic phase CML patients that are refractory, resistant or intolerant to interferon-alpha. However, about 10 - 20% of these high risk patients will lose their response to Imatinib (Glivec®) within 1-2 years. Therefore, improvement of the treatment is warranted.
Since cytogenetic response rate is correlated to survival and the resistance to Imatinib (Glivec®) might be caused by mutations in the receptor, a more rapid decrease could lead to longer survival and/or less resistance development. In the initial 6 months of treatment, monotherapy with Imatinib (Glivec®) with a dose of 800 mg/day (high dose) should be more effective in the reduction of a high leukemic tumor burden, thereby allowing the residual normal progenitor and stem cells to expand. In addition, high dose Imatinib (Glivec®) should further improve the induction of a molecular response, as determined by quantitative reverse transcription polymerase chain reaction (RT-PCR), reducing the risk of relapse from residual malignant BCR-ABL positive cells.
This study will investigate the efficacy and tolerability of a short (6 months) high dose therapy followed by a standard dose compared to a continuous treatment with a standard dose of Imatinib (Glivec®).
In addition, the dynamics of the molecular and cytogenetic response will be investigated. Finally, the study will investigate the effect of this induction-maintenance concept on time-to-progression (TTP).
- Conditions
- Chronic Myeloid Leukemia
- Being tested
- Imatinib
- Keywords
- chronic myeloid leukemia, Ph+, bcr/abl+, imatinib
- Medical subject headings
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ImatinibDrug
What is being measured
The primary outcome is the main question the study is designed to answer.
To determine the efficacy regarding major cytogenetic response within 12 months after randomization
Secondary outcomes (5)
To determine the major cytogenetic response after 3 months versus 6-12 months after randomization
To determine the efficacy of the molecular response within 12 and 24 months after randomization
To determine the time to molecular progression within 24 months
To determine the dynamics of the molecular response within 3 and 6 months after randomization expressed as the slope decreases in BCR-ABL-transcripts
To determine tolerability
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted18 May 2006 (estimated)
- Study startJan 2004
- Study completionDec 2008
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (10)Papers the sponsor has linked to this study.
- Other trials for Chronic Myeloid LeukemiaStudies of the same condition, open and under way.
- 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
- 240 participants
Sponsor and investigators
- Lead sponsor
- Central European Leukemia Study Group
- Sponsor type
- University, hospital or other
- Investigators
- Guenther Gastl, MD, Study chair, Medical University Innsbruck
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00327262
- Sponsor's protocol ID
- CSTI571AAT06
- Status last verified
- Sep 2005
- First submitted
- 16 May 2006
- Last updated
- 20 Jun 2006
- Results posted
- No
Publications
Talpaz M. Interferon-alfa-based treatment of chronic myeloid leukemia and implications of signal transduction inhibition. Semin Hematol. 2001 Jul;38(3 Suppl 8):22-7. doi: 10.1016/s0037-1963(01)90114-3.
PubMed 11526598O'Brien SG, Guilhot F, Larson RA, Gathmann I, Baccarani M, Cervantes F, Cornelissen JJ, Fischer T, Hochhaus A, Hughes T, Lechner K, Nielsen JL, Rousselot P, Reiffers J, Saglio G, Shepherd J, Simonsson B, Gratwohl A, Goldman JM, Kantarjian H, Taylor K, Verhoef G, Bolton AE, Capdeville R, Druker BJ; IRIS Investigators. Imatinib compared with interferon and low-dose cytarabine for newly diagnosed chronic-phase chronic myeloid leukemia. N Engl J Med. 2003 Mar 13;348(11):994-1004. doi: 10.1056/NEJMoa022457.
PubMed 12637609Kantarjian H, Talpaz M, O'Brien S, Garcia-Manero G, Verstovsek S, Giles F, Rios MB, Shan J, Letvak L, Thomas D, Faderl S, Ferrajoli A, Cortes J. High-dose imatinib mesylate therapy in newly diagnosed Philadelphia chromosome-positive chronic phase chronic myeloid leukemia. Blood. 2004 Apr 15;103(8):2873-8. doi: 10.1182/blood-2003-11-3800. Epub 2003 Dec 24.
PubMed 15070658Cortes J, Giles F, O'Brien S, Thomas D, Garcia-Manero G, Rios MB, Faderl S, Verstovsek S, Ferrajoli A, Freireich EJ, Talpaz M, Kantarjian H. Result of high-dose imatinib mesylate in patients with Philadelphia chromosome-positive chronic myeloid leukemia after failure of interferon-alpha. Blood. 2003 Jul 1;102(1):83-6. doi: 10.1182/blood-2003-01-0025. Epub 2003 Mar 13.
PubMed 12637317Sawyers CL, Hochhaus A, Feldman E, Goldman JM, Miller CB, Ottmann OG, Schiffer CA, Talpaz M, Guilhot F, Deininger MW, Fischer T, O'Brien SG, Stone RM, Gambacorti-Passerini CB, Russell NH, Reiffers JJ, Shea TC, Chapuis B, Coutre S, Tura S, Morra E, Larson RA, Saven A, Peschel C, Gratwohl A, Mandelli F, Ben-Am M, Gathmann I, Capdeville R, Paquette RL, Druker BJ. Imatinib induces hematologic and cytogenetic responses in patients with chronic myelogenous leukemia in myeloid blast crisis: results of a phase II study. Blood. 2002 May 15;99(10):3530-9. doi: 10.1182/blood.v99.10.3530.
PubMed 11986204Talpaz M, Silver RT, Druker BJ, Goldman JM, Gambacorti-Passerini C, Guilhot F, Schiffer CA, Fischer T, Deininger MW, Lennard AL, Hochhaus A, Ottmann OG, Gratwohl A, Baccarani M, Stone R, Tura S, Mahon FX, Fernandes-Reese S, Gathmann I, Capdeville R, Kantarjian HM, Sawyers CL. Imatinib induces durable hematologic and cytogenetic responses in patients with accelerated phase chronic myeloid leukemia: results of a phase 2 study. Blood. 2002 Mar 15;99(6):1928-37. doi: 10.1182/blood.v99.6.1928.
PubMed 11877262Kantarjian H, Sawyers C, Hochhaus A, Guilhot F, Schiffer C, Gambacorti-Passerini C, Niederwieser D, Resta D, Capdeville R, Zoellner U, Talpaz M, Druker B, Goldman J, O'Brien SG, Russell N, Fischer T, Ottmann O, Cony-Makhoul P, Facon T, Stone R, Miller C, Tallman M, Brown R, Schuster M, Loughran T, Gratwohl A, Mandelli F, Saglio G, Lazzarino M, Russo D, Baccarani M, Morra E; International STI571 CML Study Group. Hematologic and cytogenetic responses to imatinib mesylate in chronic myelogenous leukemia. N Engl J Med. 2002 Feb 28;346(9):645-52. doi: 10.1056/NEJMoa011573.
PubMed 11870241Druker BJ, Sawyers CL, Kantarjian H, Resta DJ, Reese SF, Ford JM, Capdeville R, Talpaz M. Activity of a specific inhibitor of the BCR-ABL tyrosine kinase in the blast crisis of chronic myeloid leukemia and acute lymphoblastic leukemia with the Philadelphia chromosome. N Engl J Med. 2001 Apr 5;344(14):1038-42. doi: 10.1056/NEJM200104053441402.
PubMed 11287973Petzer AL, Fong D, Lion T, Dyagil I, Masliak Z, Bogdanovic A, Griskevicius L, Lejniece S, Goranov S, Gercheva L, Stojanovic A, Peytchev D, Tzvetkov N, Griniute R, Stanchev A, Grubinger T, Kwakkelstein M, Schuld P, Gastl G, Wolf D. High-dose imatinib induction followed by standard-dose maintenance in pre-treated chronic phase chronic myeloid leukemia patients--final analysis of a randomized, multicenter, phase III trial. Haematologica. 2012 Oct;97(10):1562-9. doi: 10.3324/haematol.2011.060087. Epub 2012 Apr 17.
PubMed 22511495Petzer AL, Wolf D, Fong D, Lion T, Dyagil I, Masliak Z, Bogdanovic A, Griskevicius L, Lejniece S, Goranov S, Gercheva L, Stojanovic A, Peytchev D, Tzvetkov N, Griniute R, Oucheva R, Ulmer H, Kwakkelstein M, Rancati F, Gastl G. High-dose imatinib improves cytogenetic and molecular remissions in patients with pretreated Philadelphia-positive, BCR-ABL-positive chronic phase chronic myeloid leukemia: first results from the randomized CELSG phase III CML 11 "ISTAHIT" study. Haematologica. 2010 Jun;95(6):908-13. doi: 10.3324/haematol.2009.013979. Epub 2010 Feb 9.
PubMed 20145273
Study at a glance
From the registry record, last updated by the sponsor on 20 Jun 2006. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Multicenter, Phase III Study Comparing Imatinib (STI571, Glivec®) Standard Dose (400 Mg/Day) With Imatinib High Dose Induction (800 Mg/Day) Followed by Standard Dose Maintenance (400 Mg/Day) in Pretreated CML Patients in Chronic Phase
- ClinicalTrials.gov ID
- NCT00327262
- Acronym / sponsor ID
- CSTI571AAT06
- Conditions
- Chronic Myeloid Leukemia
- Keywords
- chronic myeloid leukemia, Ph+, bcr/abl+, imatinib
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 240 participants
- Lead sponsor
- Central European Leukemia Study GroupUniversity, hospital or other
- Study start
- Jan 2004
- Study completion
- Dec 2008
- First posted
- 18 May 2006 (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.
This study will investigate the efficacy and tolerability of a short (6 months) high dose therapy followed by a standard dose compared to a continuous treatment with a standard dose of imatinib (Glivec®) in pretreated Philadelphia chromosome- positive (Ph+)/BCR-ABL+ CML patients in chronic phase.
Detailed description
Patients with CML not achieving or losing a major cytogenetic response on whatever palliative treatment for CML, are at high risk to progress to accelerated phase and blast crisis. A new promising treatment with Imatinib (Glivec®), a tyrosine-kinase inhibitor, has been introduced recently. High rates of hematologic and cytogenetic responses can be achieved with Imatinib (Glivec®) at > = 300 mg/day in chronic phase CML patients that are refractory, resistant or intolerant to interferon-alpha. However, about 10 - 20% of these high risk patients will lose their response to Imatinib (Glivec®) within 1-2 years. Therefore, improvement of the treatment is warranted.
Since cytogenetic response rate is correlated to survival and the resistance to Imatinib (Glivec®) might be caused by mutations in the receptor, a more rapid decrease could lead to longer survival and/or less resistance development. In the initial 6 months of treatment, monotherapy with Imatinib (Glivec®) with a dose of 800 mg/day (high dose) should be more effective in the reduction of a high leukemic tumor burden, thereby allowing the residual normal progenitor and stem cells to expand. In addition, high dose Imatinib (Glivec®) should further improve the induction of a molecular response, as determined by quantitative reverse transcription polymerase chain reaction (RT-PCR), reducing the risk of relapse from residual malignant BCR-ABL positive cells.
This study will investigate the efficacy and tolerability of a short (6 months) high dose therapy followed by a standard dose compared to a continuous treatment with a standard dose of Imatinib (Glivec®).
In addition, the dynamics of the molecular and cytogenetic response will be investigated. Finally, the study will investigate the effect of this induction-maintenance concept on time-to-progression (TTP).
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (14 listed)
- Patients > 18 years of age
- BCR-ABL positive CML patients in chronic phase, confirmed by karyotype (Ph+) or RT-PCR.
- Patients pretreated with any drug that is known to control the disease of CML in chronic phase except imatinib (Glivec®).
- Patients without a major cytogenetic response at study entry (> 35% Ph+ metaphases in bone marrow cytogenetic analysis performed < 3 months before study entry).
- Patients either intolerant to interferon-alpha (non-hematologic toxicity grade 3-4 for more than 2 weeks) or having received pretreatment for CML at least 12 months before study entry.
Key exclusion criteria (14 listed)
- Patients eligible for allogeneic bone marrow transplantation.
- Patients in accelerated phase or blast crisis.
- Known tuberculosis or other uncontrolled infection.
- Other primary tumor of a different histological origin than the study indication (unless the relapse-free interval is > 5 years, and with the exception of cervical carcinoma in situ [CIS], basal cell epithelioma, or squamous cell carcinoma of the skin).
- Major surgery within the last 14 days.
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 |
|---|---|---|
| Imatinib | Drug | – |
Primary outcome
To determine the efficacy regarding major cytogenetic response within 12 months after randomization
5 secondary outcomes
To determine the major cytogenetic response after 3 months versus 6-12 months after randomization
To determine the efficacy of the molecular response within 12 and 24 months after randomization
To determine the time to molecular progression within 24 months
To determine the dynamics of the molecular response within 3 and 6 months after randomization expressed as the slope decreases in BCR-ABL-transcripts
To determine tolerability
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 20 Jun 2006.
- Background: PubMed 11526598Talpaz M. Interferon-alfa-based treatment of chronic myeloid leukemia and implications of signal transduction inhibition. Semin Hematol. 2001 Jul;38(3 Suppl 8):22-7. doi: 10.1016/s0037-1963(01)90114-3.
- Background: PubMed 12637609O'Brien SG, Guilhot F, Larson RA, Gathmann I, Baccarani M, Cervantes F, Cornelissen JJ, Fischer T, Hochhaus A, Hughes T, Lechner K, Nielsen JL, Rousselot P, Reiffers J, Saglio G, Shepherd J, Simonsson B, Gratwohl A, Goldman JM, Kantarjian H, Taylor K, Verhoef G, Bolton AE, Capdeville R, Druker BJ; IRIS Investigators. Imatinib compared with interferon and low-dose cytarabine for newly diagnosed chronic-phase chronic myeloid leukemia. N Engl J Med. 2003 Mar 13;348(11):994-1004. doi: 10.1056/NEJMoa022457.
- Background: PubMed 15070658Kantarjian H, Talpaz M, O'Brien S, Garcia-Manero G, Verstovsek S, Giles F, Rios MB, Shan J, Letvak L, Thomas D, Faderl S, Ferrajoli A, Cortes J. High-dose imatinib mesylate therapy in newly diagnosed Philadelphia chromosome-positive chronic phase chronic myeloid leukemia. Blood. 2004 Apr 15;103(8):2873-8. doi: 10.1182/blood-2003-11-3800. Epub 2003 Dec 24.
- Background: PubMed 12637317Cortes J, Giles F, O'Brien S, Thomas D, Garcia-Manero G, Rios MB, Faderl S, Verstovsek S, Ferrajoli A, Freireich EJ, Talpaz M, Kantarjian H. Result of high-dose imatinib mesylate in patients with Philadelphia chromosome-positive chronic myeloid leukemia after failure of interferon-alpha. Blood. 2003 Jul 1;102(1):83-6. doi: 10.1182/blood-2003-01-0025. Epub 2003 Mar 13.
- Background: PubMed 11986204Sawyers CL, Hochhaus A, Feldman E, Goldman JM, Miller CB, Ottmann OG, Schiffer CA, Talpaz M, Guilhot F, Deininger MW, Fischer T, O'Brien SG, Stone RM, Gambacorti-Passerini CB, Russell NH, Reiffers JJ, Shea TC, Chapuis B, Coutre S, Tura S, Morra E, Larson RA, Saven A, Peschel C, Gratwohl A, Mandelli F, Ben-Am M, Gathmann I, Capdeville R, Paquette RL, Druker BJ. Imatinib induces hematologic and cytogenetic responses in patients with chronic myelogenous leukemia in myeloid blast crisis: results of a phase II study. Blood. 2002 May 15;99(10):3530-9. doi: 10.1182/blood.v99.10.3530.
- Background: PubMed 11877262Talpaz M, Silver RT, Druker BJ, Goldman JM, Gambacorti-Passerini C, Guilhot F, Schiffer CA, Fischer T, Deininger MW, Lennard AL, Hochhaus A, Ottmann OG, Gratwohl A, Baccarani M, Stone R, Tura S, Mahon FX, Fernandes-Reese S, Gathmann I, Capdeville R, Kantarjian HM, Sawyers CL. Imatinib induces durable hematologic and cytogenetic responses in patients with accelerated phase chronic myeloid leukemia: results of a phase 2 study. Blood. 2002 Mar 15;99(6):1928-37. doi: 10.1182/blood.v99.6.1928.
- Background: PubMed 11870241Kantarjian H, Sawyers C, Hochhaus A, Guilhot F, Schiffer C, Gambacorti-Passerini C, Niederwieser D, Resta D, Capdeville R, Zoellner U, Talpaz M, Druker B, Goldman J, O'Brien SG, Russell N, Fischer T, Ottmann O, Cony-Makhoul P, Facon T, Stone R, Miller C, Tallman M, Brown R, Schuster M, Loughran T, Gratwohl A, Mandelli F, Saglio G, Lazzarino M, Russo D, Baccarani M, Morra E; International STI571 CML Study Group. Hematologic and cytogenetic responses to imatinib mesylate in chronic myelogenous leukemia. N Engl J Med. 2002 Feb 28;346(9):645-52. doi: 10.1056/NEJMoa011573.
- Background: PubMed 11287973Druker BJ, Sawyers CL, Kantarjian H, Resta DJ, Reese SF, Ford JM, Capdeville R, Talpaz M. Activity of a specific inhibitor of the BCR-ABL tyrosine kinase in the blast crisis of chronic myeloid leukemia and acute lymphoblastic leukemia with the Philadelphia chromosome. N Engl J Med. 2001 Apr 5;344(14):1038-42. doi: 10.1056/NEJM200104053441402.
- Derived from this study: PubMed 22511495Petzer AL, Fong D, Lion T, Dyagil I, Masliak Z, Bogdanovic A, Griskevicius L, Lejniece S, Goranov S, Gercheva L, Stojanovic A, Peytchev D, Tzvetkov N, Griniute R, Stanchev A, Grubinger T, Kwakkelstein M, Schuld P, Gastl G, Wolf D. High-dose imatinib induction followed by standard-dose maintenance in pre-treated chronic phase chronic myeloid leukemia patients--final analysis of a randomized, multicenter, phase III trial. Haematologica. 2012 Oct;97(10):1562-9. doi: 10.3324/haematol.2011.060087. Epub 2012 Apr 17.
- Derived from this study: PubMed 20145273Petzer AL, Wolf D, Fong D, Lion T, Dyagil I, Masliak Z, Bogdanovic A, Griskevicius L, Lejniece S, Goranov S, Gercheva L, Stojanovic A, Peytchev D, Tzvetkov N, Griniute R, Oucheva R, Ulmer H, Kwakkelstein M, Rancati F, Gastl G. High-dose imatinib improves cytogenetic and molecular remissions in patients with pretreated Philadelphia-positive, BCR-ABL-positive chronic phase chronic myeloid leukemia: first results from the randomized CELSG phase III CML 11 "ISTAHIT" study. Haematologica. 2010 Jun;95(6):908-13. doi: 10.3324/haematol.2009.013979. Epub 2010 Feb 9.
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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.
Guenther Gastl, MD study chair
Medical University Innsbruck
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Imatinib in people with Chronic Myeloid Leukemia, run by Central European Leukemia Study Group at 1 site in Austria.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 14 inclusion and 14 exclusion criteria. 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: status not confirmed, as of the sponsor's last update on 20 Jun 2006. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Austria. 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?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Guenther Gastl, MD (++43 512 504 24003, guenther.gastl@uibk.ac.at), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
To determine the efficacy regarding major cytogenetic response within 12 months after randomization. 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 NCT00327262, which also lists 10 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 20 Jun 2006.