Phase II, Open Label, Single Arm Study of SAR302503 In Myelofibrosis Patients Previously Treated With Ruxolitinib
Status: | Completed |
---|---|
Healthy: | No |
Age Range: | 18 - Any |
Updated: | 4/21/2016 |
Start Date: | April 2012 |
End Date: | April 2014 |
A Phase II, Multicenter, Open Label, Single Arm Study of SAR302503 in Subjects Previously Treated With Ruxolitinib and With a Current Diagnosis of Intermediate or High-Risk Primary Myelofibrosis, Post-Polycythemia Vera Myelofibrosis, or Post-Essential Thrombocythemia Myelofibrosis
Primary Objective:
- To evaluate the efficacy of once daily dose of SAR302503 in subjects previously treated
with ruxolitinib and with a current diagnosis of intermediate-1 with symptoms,
Intermediate-2 or high-risk primary myelofibrosis (PMF), post-polycythemia vera
myelofibrosis (Post-PV MF), or post-essential thrombocythemia myelofibrosis (Post-ET MF)
based on the reduction of spleen volume at the end of 6 treatment cycles;
Secondary Objectives:
- To evaluate the effect of SAR302503 on Myelofibrosis (MF) associated symptoms as
measured by the modified Myelofibrosis Symptom Assessment Form (MFSAF) diary
- To evaluate the durability of splenic response
- To evaluate the splenic response to SAR302503 by palpation at the end of Cycle 6
- To evaluate the splenic response to SAR302503 at the end of Cycle 3
- To evaluate the effect of SAR302503 on the Janus kinase 2 (JAK2) V617F allele burden
- To evaluate the safety and tolerability of SAR302503 in this population
- To evaluate plasma concentrations of SAR302503 for population PK analysis, if warranted
- To evaluate the efficacy of once daily dose of SAR302503 in subjects previously treated
with ruxolitinib and with a current diagnosis of intermediate-1 with symptoms,
Intermediate-2 or high-risk primary myelofibrosis (PMF), post-polycythemia vera
myelofibrosis (Post-PV MF), or post-essential thrombocythemia myelofibrosis (Post-ET MF)
based on the reduction of spleen volume at the end of 6 treatment cycles;
Secondary Objectives:
- To evaluate the effect of SAR302503 on Myelofibrosis (MF) associated symptoms as
measured by the modified Myelofibrosis Symptom Assessment Form (MFSAF) diary
- To evaluate the durability of splenic response
- To evaluate the splenic response to SAR302503 by palpation at the end of Cycle 6
- To evaluate the splenic response to SAR302503 at the end of Cycle 3
- To evaluate the effect of SAR302503 on the Janus kinase 2 (JAK2) V617F allele burden
- To evaluate the safety and tolerability of SAR302503 in this population
- To evaluate plasma concentrations of SAR302503 for population PK analysis, if warranted
The expected duration of the treatment in this study is approximately 8 months, based on a
maximum 28-day screening period, followed by a 6-month (6-cycle) treatment period, and an
EOT visit for subjects who will not continue the treatment after completing the 6 cycles of
SAR302503, or discontinue the treatment early for any reasons as well as a follow-up visit
which should occur 30 days after the last administration of SAR302503. Patients who continue
to benefit clinically will be allowed to remain on study medication beyond the 6-month
treatment period until the occurrence of disease progression or unacceptable toxicity.
maximum 28-day screening period, followed by a 6-month (6-cycle) treatment period, and an
EOT visit for subjects who will not continue the treatment after completing the 6 cycles of
SAR302503, or discontinue the treatment early for any reasons as well as a follow-up visit
which should occur 30 days after the last administration of SAR302503. Patients who continue
to benefit clinically will be allowed to remain on study medication beyond the 6-month
treatment period until the occurrence of disease progression or unacceptable toxicity.
Inclusion criteria:
- Diagnosis of PMF or Post-PV MF or Post-ET MF, according to the 2008 World Health
Organization and IWG-MRT response criteria
- Subjects who previously received Ruxolitinib treatment for PMF or Post-PV MF or
Post-ET MF or PV or ET for at least 14 days (exposure of <14 days is allowed for
subjects who discontinued Ruxolitinib due to intolerability or allergy) and
discontinued the treatment for at least 14 days prior to the first dose of SAR302503
- MF classified as Intermediate-1 with symptoms, Intermediate-2 or high-risk by Dynamic
International Prognostic Scoring System (Passamonti et al., Blood 2010)
- Spleen ≥5 cm below costal margin as measured by palpation
- Male and female subjects ≥18 years of age
- Signed written informed consent
Exclusion criteria:
- Splenectomy
- Eastern Cooperative Oncology Group (ECOG) performance status of >2 before the first
dose of SAR302503 at Cycle 1 Day1
- The following laboratory values within 14 days prior to the initiation of SAR302503:
- Absolute Neutrophil Count (ANC) <1.0 x 10exp9/L
- Platelet count <50 x 10exp9/L
- Serum creatinine >1.5 x Upper limit of normal (ULN)
- Serum amylase and lipase >1.5 x ULN
- Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) ≥2.5 x ULN
- Total bilirubin ≥3.0 x ULN
- Subjects with total bilirubin between 1.5-3.0 x ULN must be excluded if the direct
bilirubin fraction is ≥25% of the total
- Subjects with known active (acute or chronic) Hepatitis A, B, or C; and Hepatitis B
and C carriers
- Prior history of chronic liver disease (eg, chronic alcoholic liver disease,
autoimmune hepatitis, sclerosing cholangitis, primary biliary cirrhosis,
hemachromatosis, non-alcoholic steatohepatitis [NASH])
- Subjects with any other prior malignancies are not eligible, except for the
following: adequately treated basal cell or squamous cell skin cancer, in situ
cervical cancer, or other cancer from which subject has been disease-free for at
least 5 years
- Any chemotherapy, immunomodulatory drug therapy (eg, thalidomide, interferon-alpha),
Anagrelide, immunosuppressive therapy, corticosteroids >10 mg/day prednisone or
equivalent, or growth factor treatment (eg, erythropoietin), or hormones (eg,
androgens, danazol) within 14 days prior to initiation of SAR302503; darbepoetin use
within 28 days prior to initiation of SAR302503.The only chemotherapy allowed will be
hydroxyurea within 1 day prior to initiation of SAR302503
- Uncontrolled congestive heart failure (New York Heart Association Classification 3 or
4), angina, myocardial infarction, cerebrovascular accident, coronary/peripheral
artery bypass graft surgery, transient ischemic attack, or pulmonary embolism within
3 months prior to initiation of SAR302503
The above information is not intended to contain all considerations relevant to a
patient's potential participation in a clinical trial.
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