- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00928707
Phase II Study of GIVINOSTAT (ITF2357) in Combination With Hydroxyurea in Polycythemia Vera (PV)
Phase II Study of the Histone-deacetylase Inhibitor GIVINOSTAT (ITF2357) in Combination With Hydroxyurea in Patients With JAK2V617F Positive Polycythemia Vera Non-responder to Hydroxyurea Monotherapy.
The primary objective of the study was to evaluate the efficacy of Givinostat in combination with hydroxyurea in patients with JAK2V617F-positive Polycythemia Vera (PV) non-responders to the maximum tolerated dose of hydroxyurea monotherapy.
The secondary objectives of this study were:
- To evaluate the safety and tolerability of Givinostat in combination with hydroxyurea in patients with JAK2V617Fpositive PV non-responders to the maximum tolerated dose of hydroxyurea monotherapy;
- To explore the impact in terms of efficacy and tolerability of Givinostat 50 mg dose escalation in patients not achieving at least a partial response at the time when the primary endpoint was assessed (week 12);
- To evaluate the molecular response (JAK2 mutated allele burden) by quantitative Real Time-Polymerase Chain Reaction (RT-PCR);
- To evaluate the reduction of the fraction of JAK2V617F positive clonogenic progenitors.
Study Overview
Status
Conditions
Detailed Description
This is a multicentre, randomized, open-label, phase II study testing GIVINOSTAT (ITF2357) in combination with hydroxyurea in a population of patients with JAK2V617F positive Polycythemia Vera non-responders to the maximum tolerated dose of hydroxyurea monotherapy for at least 3 months.
Recruited patients will be randomly assigned to one of the following treatment groups:
- group A: 50 mg o.d. of oral GIVINOSTAT (ITF2357) in combination with the maximum tolerated dose of hydroxyurea monotherapy already in use before admission to the study;
- group B: 50 mg b.i.d. of oral GIVINOSTAT (ITF2357) in combination with the maximum tolerated dose of hydroxyurea monotherapy already in use before admission to the study.
The two groups will be balanced for number and for Centre in order to provide valuable information on both treatment regimens.
In both groups assigned doses shall remain stable until week 12, which is when the primary endpoint is assessed, unless specific tolerability issues arise which impose dose reduction.
After the primary endpoint assessment at week 12, one of the following treatment schedules will be chosen case by case on the basis of the achieved clinical response and continued for up to 12 further weeks:
- Partial or Complete Response at week 12:
- group A: continue 50 mg o.d.;
- group B: continue 50 mg b.i.d.;
- No Response at week 12:
- group A: increase to 50 mg b.i.d.;
- group B: increase to 50 mg t.i.d.. At any time during study course, if toxicity is observed, GIVINOSTAT (ITF2357) treatment will be discontinued until recovery and then restarted at a reduced dose level. The drug will be definitively withdrawn in case of reappearance of toxicity even at a reduced daily dose. Overall, the treatment will last up to a maximum of 24 cumulative weeks of drug administration.
The study will recruit subjects of both genders with an established diagnosis of JAK2V617F positive Polycythemia Vera according to the revised WHO criteria, in need of cytoreductive therapy, non-responders to the maximum tolerated dose of hydroxyurea monotherapy for at least 3 months.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Bergamo, Italy, 24100
- Azienda Ospedaliera Ospedali Riuniti di Bergamo
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Napoli, Italy, 80131
- Azienda Ospedaliera Universitaria Università degli Studi di Napoli Federico II
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Rome, Italy, 00128
- Università "Campus Bio-Medico", Rome
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Rome, Italy, 00168
- Policlinico Universitario Agostino Gemelli di Roma
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BA
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Bari, BA, Italy, 70124
- Azienda Ospedaliero-Universitaria Policlinico Consorziale di Bari
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CN
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Cuneo, CN, Italy, 12100
- Azienda Ospedaliera Santa Croce e Carle di Cuneo
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CT
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Catania, CT, Italy, 95126
- Azienda Ospedaliera di Rilievo Nazionale e di Alta Specializzazione Garibaldi di Catania
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FG
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San Giovanni Rotondo, FG, Italy, 71013
- Fondazione I. R. C. C. S. - Casa sollievo della sofferenza di San Giovanni Rotondo
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FI
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Florence, FI, Italy, 50134
- Azienda Ospedaliero-Universitaria Careggi di Firenze
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MB
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Monza, MB, Italy, 20052
- Azienda Ospedaliera San Gerardo di Monza
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ME
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Messina, ME, Italy, 98125
- Azienda Ospedaliera Universitaria Policlinico "Gaetano Martino" di Messina
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PA
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Palermo, PA, Italy, 90146
- Azienda Ospedaliera Ospedali Riuniti "Villa Sofia - Cervello" di Palermo
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PE
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Pescara, PE, Italy, 65124
- Azienda Unità Sanitaria Locale di Pescara, Presidio Ospedaliero "Spirito Santo"
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PG
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Perugia, PG, Italy, 06156
- Azienda Ospedaliera Santa Maria della Misericordia di Perugia
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PI
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Pisa, PI, Italy, 56126
- Azienda Ospedaliera Universitaria Pisana
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PV
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Pavia, PV, Italy, 27100
- Fondazione I.R.C.C.S.-Policlinico San Matteo, Pavia
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Point
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Potenza, Point, Italy, 85100
- Azienda Ospedaliera Ospedale San Carlo di Potenza
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RC
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Reggio di Calabria, RC, Italy, 891225
- Azienda Ospedaliera "Bianchi-Melacrino-Morelli"
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TO
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Orbassano, TO, Italy, 10043
- Azienda Ospedaliera Universitaria S. Luigi Gonzaga di Orbassano
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Torino, TO, Italy, 10126
- Azienda Ospedaliero-Universitaria San Giovanni Battista("Le Molinette") di Torino
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Torino, TO, Italy, 10128
- Ospedale Mauriziano Umberto I
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VI
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Vicenza, VI, Italy, 36100
- Ospedale San Bortolo di Vicenza
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Written Informed Consent.
- Age ≥18 years.
- Confirmed diagnosis of Polycythemia Vera according to the revised World Health Organization (WHO) criteria.
- JAK2V617F positivity.
- Non-response to the maximum tolerated dose of hydroxyurea monotherapy for at least 3 months.
- ECOG (Eastern Cooperative Oncology Group) performance status <3.
- Use of an effective means of contraception for women of childbearing potential and men with partners of childbearing potential.
- Willingness and capability to comply with the requirements of the study.
Exclusion Criteria:
- Active bacterial or mycotic infection requiring antimicrobial treatment.
- Pregnancy or lactation.
- A marked baseline prolongation of QT/QTc (corrected) interval (e.g. repeated demonstration of a QTc interval > 450 ms, according to Bazett's correction formula).
- Use of concomitant medications that prolong the QT/QTc interval.
Clinically significant cardiovascular disease including:
- Uncontrolled hypertension, myocardial infarction, unstable angin, within 6 months from study start;
- New York Heart Association (NYHA) Grade II or greater congestive heart failure;
- History of any cardiac arrhythmia requiring medication (irrespective of its severity);
- A history of additional risk factors for torsade de pointes (TdP) (e.g., heart failure, hypokalemia, family history of Long QT Syndrome).
- Positive blood test for HIV (Human Immunodeficiency Virus)
- Active HBV (Hepatitis B Virus) and/or HCV (Hepatitis C Virus) infection.
- Platelets count <100x109/L within 14 days before enrolment.
- Absolute neutrophil count <1.2x109/L within 14 days before enrolment.
- Serum creatinine >2xULN (upper limit of normal).
- Total serum bilirubin >1.5xULN.
- Serum aspartate aminotransferase (AST) / alanine aminotransferase (ALT) > 3xULN.
- History of other diseases, metabolic dysfunctions, physical examination findings, or clinical laboratory findings giving reasonable suspicion of a disease or condition that contraindicates use of an investigational drug or that might affect interpretation of the results of the study or render the subject at high risk from treatment complications.
- Interferon alpha within 14 days before enrolment.
- Anagrelide within 7 days before enrolment.
- Any other investigational drug within 28 days before enrolment.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: GIVINOSTAT + MTD Hydroxyurea (HU)_1
50 mg o.d. of GIVINOSTAT + maximum tolerated dose (MTD) of Hydroxyurea (HU) monotherapy
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50 mg o.d. of GIVINOSTAT + MTD of HU monotherapy
Other Names:
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Experimental: GIVINOSTAT + MTD Hydroxyurea (HU)_2
50 mg b.i.d. of GIVINOSTAT + maximum tolerated dose (MTD) of Hydroxyurea (HU) monotherapy
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50 mg b.i.d. of GIVINOSTAT + MTD HU monotherapy
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of Patients With Overall Haematological Response at Week 12.
Time Frame: At week 12 of treatment
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The percentage of patients with overall (complete or partial) response at week 12 were assessed.
· Complete response: 1. HCT (Hematocrit) < 45% without phlebotomy, and 2. platelets ≤ 400 x109/L, and 3. WBC (white blood cell) ≤ 10 x 109/L, and 4. no splenomegaly, and 5. no disease related systemic symptoms (microvascular disturbances, pruritus, headache); · Partial response: 1. HCT < 45% without phlebotomy, or 2. fulfilment of at least 3 of the other above mentioned criteria; · No response: any response that did not satisfy the criteria set for partial response.
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At week 12 of treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of Patients With Overall Haematological Response at Week 24 by Dose Escalation After Week 12.
Time Frame: At week 24 of treatment
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Haematological response after a 50 mg increase of the initial Givinostat dose in non-responder patients at the time when the primary endpoint was assessed (week 12).
any response that did not satisfy the criteria set for partial response. |
At week 24 of treatment
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Change From Baseline of the JAK2V617F Allele Burden by Quantitative RT-PCR
Time Frame: At weeks 12, 24, at "drop out visit" and at "End of Study" (EOS). EOS stays for 7 days after last drug intake if patient is withdrawn from the study before week 24.
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To determine JAK2V617F mutational status, a quantitative RT-PCR (Real Time-Polymerase Chain Reaction) is executed on peripheral blood granulocyte and haematopoietic colonies (with and without hepatocyte growth factors - HGFs).
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At weeks 12, 24, at "drop out visit" and at "End of Study" (EOS). EOS stays for 7 days after last drug intake if patient is withdrawn from the study before week 24.
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Percentage of Patients With a Reduction of the Fraction of JAK2V617F Positive Clonogenic Progenitor by Timepoints
Time Frame: Baseline, at weeks 12 and 24
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JAK2V617F genotyping and quantification were performed on gradient-separated mononuclear cells during the pre-treatment evaluations (baseline), halfway through the study (12th weeks) and at the end of the study period (24th weeks). Baseline: n=22 (50 mg od); 22 (50 mg bid) Week 12: n=20 (50 mg od); 19 (50 mg bid) Week 24: n=18 (50 mg od); 18 (50 mg bid) |
Baseline, at weeks 12 and 24
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Alessandro Rambaldi, MD, Azienda Ospedaliera Ospedali Riuniti di Bergamo
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms
- Neoplasms by Site
- Bone Marrow Diseases
- Hematologic Diseases
- Myeloproliferative Disorders
- Bone Marrow Neoplasms
- Hematologic Neoplasms
- Polycythemia Vera
- Polycythemia
- Molecular Mechanisms of Pharmacological Action
- Nucleic Acid Synthesis Inhibitors
- Enzyme Inhibitors
- Antineoplastic Agents
- Antisickling Agents
- Histone Deacetylase Inhibitors
- Hydroxyurea
- Givinostat hydrochloride
Other Study ID Numbers
- DSC/08/2357/38
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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