Myelofibrosis Clinical Trial
Official title:
A Phase 1 Dose-Escalation Study of the Safety, Pharmacokinetics, and Pharmacodynamics of XL019 Administered to Subjects With Myelofibrosis
NCT number | NCT00522574 |
Other study ID # | XL019-001 |
Secondary ID | |
Status | Terminated |
Phase | Phase 1 |
First received | August 27, 2007 |
Last updated | April 4, 2011 |
Start date | August 2007 |
Verified date | April 2011 |
Source | Exelixis |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Food and Drug Administration |
Study type | Interventional |
The purpose of this study is to evaluate the safety and tolerability of XL019 in adults with myelofibrosis. XL019 is a selective inhibitor of the cytoplasmic tyrosine kinase JAK2. JAK2 is activated by cytokine and growth factor receptors and phosphorylates members of the STAT family of inducible transcription factors. Activation of the JAK/STAT pathway promotes cell growth and survival, and is a common feature of human tumors. JAK2 is activated by mutation in the majority of patients with myelofibrosis, polycythemia vera and essential thrombocytosis and appears to drive the inappropriate growth of blood cells in these conditions.
Status | Terminated |
Enrollment | 100 |
Est. completion date | |
Est. primary completion date | |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - The subject has primary myelofibrosis (PMF), post-polycythemia vera MF, or post-essential thrombocythemia MF and requires therapy, including subjects who have received prior MF-directed therapy and relapsed or subjects with refractory disease; or if newly diagnosed, then with intermediate or high risk according to the Lille scoring system. - The subject is unwilling to undergo or is not a candidate for peripheral stem cell/bone marrow transplant. - The subject is =18 years old. - The subject has an Eastern Cooperative Oncology Group (ECOG) performance status of =2. - The subject has adequate organ function. - The subject has the capability of understanding the informed consent document and has signed the informed consent document. - Sexually active subjects (male and female) must use medically acceptable methods of contraception during the course of the study. - Female subjects of childbearing potential must have a negative pregnancy test at screening. - The subject has had no diagnosis of malignancy or evidence of other malignancy for 2 years prior to screening for this study (except non-melanoma skin cancer or in situ carcinoma of the cervix). Exclusion Criteria: - The subject has uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, hypertension, symptomatic congestive heart failure, unstable angina pectoris, myocardial infarction within 3 months, or cardiac arrhythmias. - The subject is pregnant or breastfeeding. - The subject is known to be positive for the human immunodeficiency virus (HIV). - The subject is unable or unwilling to abide by the study protocol or cooperate fully with the investigator or designee. |
Allocation: Non-Randomized, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | Dana Farber Cancer Institute | Boston | Massachusetts |
United States | MD Anderson Cancer Center | Houston | Texas |
United States | Mt. Sinai School of Medicine | New York | New York |
United States | UCSF - Division of Hematology/Oncology | San Francisco | California |
United States | H. Lee Moffitt Cancer Center & Research Institute | Tampa | Florida |
Lead Sponsor | Collaborator |
---|---|
Exelixis |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | To evaluate the safety, tolerability, maximum tolerated dose, and dose-limiting toxicities of XL019 as a single agent when orally administered in subjects with PMF, post-PV MF, or post-ET MF. | Assessed at periodic visits | Yes | |
Secondary | Determine plasma pharmacokinetics, evaluate pharmacodynamic correlates, and estimate renal elimination of XL019 | Assessed at periodic visits | No | |
Secondary | Evaluate preliminary efficacy of XL019 as a single agent when administered orally | Assessed at periodic visits | No |
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