- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04644211
Ruxolitinib in Thrombocythemia and Polycythemia Vera
A Phase 2 Study Of Ruxolitinib In Low-Risk Essential Thrombocythemia And Polycythemia Vera With Significant Symptom Burden
This research is being done to see if the drug ruxolitinib is effective in reducing the symptoms caused by low-risk essential thrombocythemia (ET) and polycythemia vera (PV).
- This research study involves the study drug Ruxolitinib.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a multi-center, non-randomized, two-stage phase II clinical trial evaluating ruxolitinib in low-risk but symptomatic essential thrombocythemia (ET) and polycythemia vera (PV) patients. This research is being done to see if Ruxolitinib is effective in reducing the symptoms people with essential thrombocythemia (ET) and polycythemia vera (PV) are experiencing. Ruxolitinib is a type of drug that blocks the specific proteins that may be causing the symptoms people with essential thrombocythemia (ET) and polycythemia vera (PV are experiencing.
The research study procedures include screening for eligibility and study treatment, including evaluations and follow up visits.
- Participants will receive Ruxolitinib for approximately 6 months and if benefitting from it may continue to receive Ruxolitinib for as long as there is no unacceptable side effects or disease progression.
It is expected that about 60 people will take part in this research study.
The U.S. Food and Drug Administration (FDA) has approved Ruxolitinib for polycythemia vera (PV) but not for people with essential thrombocythemia (ET) and polycythemia vera (PV).
Incyte, a biopharmaceutical company, is supporting this research study by providing funding for the study, including the study drug.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Gabriela Hobbs, MD
- Phone Number: (617) 726-8748
- Email: ghobbs@partners.org
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02115
- Recruiting
- Massachusetts General Hospital
-
Contact:
- Gabriela Hobbs, MD
- Phone Number: 617-726-8748
- Email: ghobbs@partners.org
-
Principal Investigator:
- Gabriela Hobbs, MD
-
Boston, Massachusetts, United States, 02215
- Recruiting
- Dana Farber Cancer Institute
-
Contact:
- Marlise Luskin, MD
- Phone Number: 617-632-1906
- Email: Marlise_Luskin@DFCI.HARVARD.EDU
-
Principal Investigator:
- Marlise Luskin, MD
-
Boston, Massachusetts, United States, 02215
- Not yet recruiting
- Beth-Israel Deaconess Medical Center
-
Contact:
- Jeffrey Zwicker, MD
- Phone Number: 617-667-9920
- Email: jwicker@bidmc.harvard.edu
-
Principal Investigator:
- Jeffrey Zwicker, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients with a diagnosis essential thrombocythemia (Cohort 1) or polycythemia vera (Cohort 2) by World Health Organization 2016 diagnostic criteria
- Patients with essential thrombocythemia must be very low (no history of thrombosis, age ≤ 60, and no JAK2 mutation), low (no history of thrombosis, age ≤ 60, presence of JAK2 mutation), or intermediate risk (no history of thrombosis, age >60, no JAK2 mutation) by IPSET criteria.1 Patients with polycythemia vera must be low risk (no history of thrombosis and age <60) by NCCN guidelines
- Patients with an MPN-SAF TSS score ≥ 10 AND at least one individual feature ≥ 5 documented on a separate visit within 3 months prior to study registration, as documented in the clinical record or obtained by clinician. If not previously documented in the electronic medical record, participants must be blinded to purpose of MPN SAF TSS scoring for eligibility determination. Average daily MPN-SAF TSS score must remain ≥10 with any individual feature ≥ 5 for the week-long baseline assessment prior to ruxolitinib initiation .
- Patients who have previously received or are receiving cytoreductive therapy (i.e. hydroxyurea, anagrelide, interferon) are eligible for the study if therapy was used for the indication of symptom control, in which case there will be a wash-out period of one week from prior therapy discontinuation to ruxolitinib initiation. Patients who temporarily required cytoreductive therapy for pre-operative control of blood counts prior to surgery are also eligible.
- Age ≥18 years.
- ECOG performance status ≤2 (Karnofsky ≥60%
Participants must have adequate organ and marrow function as defined below:
- leukocytes ≥3,000/mcL
- absolute neutrophil count ≥1,500/mcL
- platelets ≥100,000/mcL
- total bilirubin ≤ institutional upper limit of normal (ULN)
- AST(SGOT)/ALT(SGPT) ≤3 × institutional ULN
- creatinine ≤ institutional ULN OR glomerular filtration rate (GFR) ≥60 mL/min/1.73 m2 unless data exists supporting safe use at lower kidney function values, no lower than 30 mL/min/1.73 m2
- Participants with a prior or concurrent malignancy not receiving treatment for concurrent cancer diagnosis and/or prior concurrent malignancy within 5 years except for basal cell carcinoma or squamous cell carcinoma of the skin
- For participants with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated.
- For participants with evidence of chronic human immunodeficiency virus (HIV) infection, they must be negative for HBV DNA, HCV RNA, or hepatitis B surface antigen (BsAg) on suppressive therapy, if indicated.
- Participants with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, participants should be class 2B or better.
- Ability to understand and the willingness to sign a written informed consent document.
Exclusion Criteria:
- Essential thrombocythemia patients who are high risk by IPSET-R criteria (age > 60 with JAK2 V617F mutation and/or history of thrombosis).1 Polycythemia vera patients who are high risk by NCCN guidelines (age > 60 and/or history of thrombosis).
- Patients with >5% blasts on baseline marrow exam or at any other time in peripheral blood
- Participants who are receiving any other investigational agents.
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to ruxolitinib or excipients of ruxolitinib.
- Participants requiring any medications or substances that are inhibitors or inducers of 3A4 isozyme are ineligible. Because the lists of these agents are constantly changing, it is important to regularly consult a frequently-updated medical reference. As part of the enrollment/informed consent procedures, the participant will be counseled on the risk of interactions with other agents, and what to do if new medications need to be prescribed or if the participant is considering a new over-the-counter medicine or herbal product.
- Participants with uncontrolled intercurrent illness.
- Participants with inadequate liver or renal function at screening as evidenced by lab values not meeting criteria
- Participants with psychiatric illness/social situations that would limit compliance with study requirements.
- Pregnant women are excluded from this study because ruxolitinib is a Class C agent with the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with ruxolitinib, breastfeeding should be discontinued if the mother is treated with ruxolitinib.
- The effects of ruxolitinib on the developing human fetus are unknown. Pregnant women and subjects of childbearing potential who are unwilling to take appropriate precautions to avoid becoming pregnant or fathering a child are ineligible. Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and 4 months after completion of ruxolitinib administration.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Ruxolitinib Stage 1
In stage 1, participants will be divided into two cohorts:
|
Pill taken by mouth.
Other Names:
|
Experimental: Ruxolitinib Stage 2
Stage 2 will commence based on 3 or more participants in Stage 1 showing a predetermined positive response to Ruxolitinib. In stage 2, participants will be divided into two cohorts:
|
Pill taken by mouth.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of patients who achieve >50% reduction from baseline to Myeloproliferative Neoplasm Symptom Assessment Total Symptom Score
Time Frame: baseline to 12 weeks
|
Percentage of patients with >50% change in Myeloproliferative Neoplasm Symptom Assessment Total Symptom Score (MPN-SAF TSS), which has use in major clinical trials and as symptom assessment in all patients in clinical practice.
Modeling has established baseline MPN-SAF TSS cut-off scores (total MPN-SAF TSS >20 or an individual component score >5) at which symptomatic treatment would be significantly beneficial
|
baseline to 12 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of patients achieving complete hematologic rate at week 12
Time Frame: Week 12
|
Evaluate the efficacy of ruxolitinib in improving hematologic remission rates, as measured by International Working Group (IWG) working criteria ET: Platelet count ≤ 400 x 109/L, WBC count <10 x 109/L, and absence of leukoerythroblastosis PV: hematocrit <45% and WBC count <10 x 109/L
|
Week 12
|
Proportion of patients achieving complete hematologic rate at 24 Weeks
Time Frame: Week 24
|
Evaluate the efficacy of ruxolitinib in improving hematologic remission rates, as measured by International Working Group (IWG) working criteria ET: Platelet count ≤ 400 x 109/L, WBC count <10 x 109/L, and absence of leukoerythroblastosis PV: hematocrit <45% and WBC count <10 x 109/L
|
Week 24
|
Best MPN-SAF TSS score
Time Frame: 12 Weeks
|
Myeloproliferative Neoplasm Symptom Assessment Total Symptom Score (MPN-SAF TSS) for use in major clinical trials and as symptom assessment in all patients in clinical practice.
Modeling has established baseline MPN-SAF TSS cut-off scores (total MPN-SAF TSS >20 or an individual component score >5) at which symptomatic treatment would be significantly beneficial.
Scale title includes absence of symptom (0) and worst imaginable symptoms (10) per question, with minimum score 0 and maximum score 100.
Higher scores indicate worse outcomes.
|
12 Weeks
|
Best MPN-SAF TSS score
Time Frame: 24 Weeks
|
Myeloproliferative Neoplasm Symptom Assessment Total Symptom Score (MPN-SAF TSS) for use in major clinical trials and as symptom assessment in all patients in clinical practice.
Modeling has established baseline MPN-SAF TSS cut-off scores (total MPN-SAF TSS >20 or an individual component score >5) at which symptomatic treatment would be significantly beneficial. .
Scale title includes absence of symptom (0) and worst imaginable symptoms (10) per question, with minimum score 0 and maximum score 100.
Higher scores indicate worse outcomes.
|
24 Weeks
|
Percentage of change in Spleen Volume
Time Frame: baseline to 12 weeks
|
Spleen volume reduction will be measured as the change in percentage spleen volume from baseline at 12 weeks as measured by CT, or MRI in patients with medical contraindication to CT. Summary statistics will be used to describe changes in spleen volume.
Volume will be calculated by a computer-assisted perimeter method based on Sorenson et al.
Spleen and liver volume will be obtained by outlining the circumference of the organ and determining the volume using the validated technique of least squares
|
baseline to 12 weeks
|
Number of Participants with Treatment Related Adverse Events as Assessed by CTCAE v 5.0
Time Frame: All patients who initiate treatment with study drug up to 60 months
|
descriptions and grading scales found in the revised NCI Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 will be utilized for AE reporting
|
All patients who initiate treatment with study drug up to 60 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Gabriela Hobbs, MD, Massachusetts General Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20-364
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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