Myeloproliferative NeoplasmPhase 1NCT07679334
Phase I Trial of Pacritinib in Combination With Venetoclax and Azacitidine for the Treatment of Accelerated and Blast Phase Myeloproliferative Neoplasms
A Phase 1 study testing Pacritinib, Venetoclax and Azacitidine in people with Myeloproliferative Neoplasm, run by Roswell Park Cancer Institute at 1 site in United States.
Trial summary
This phase I trial studies the side effects and best dose of pacritinib when given together with venetoclax and azacitidine in treating patients with accelerated and blast phase myeloproliferative neoplasms (MPN-AP/BP). Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Myeloproliferative Neoplasm
- What is being tested?
- Pacritinib, Venetoclax and Azacitidine
- Type of treatment
- Injection or infusion, Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 20 participants
- Where
- 1 siteUnited States
- Study dates
- 1 Dec 2026to 1 Sep 2029
- Phase
- Phase 1
- Are there results?
- Not yet: the study is under way
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
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-2
- Subjects must have accelerated phase MPN as defined by 10-19% blasts or blast phase MPN (AML) as defined by ≥ 20% blasts in the blood or bone marrow by manual aspirate differential, immunohistochemistry staining, or flow cytometry, with a documented prior diagnosis of essential thrombocythemia (ET), polycythemia vera (PV), or primary myelofibrosis (PMF), The absence of a spleen, lack of splenomegaly, or history of splenic irradiation is not exclusionary.
- Subjects with blast phase MPN must be newly diagnosed/untreated (no prior blast reduction therapy for blast phase disease except for hydroxyurea and/or a JAK inhibitor; treatment of a prior accelerated phase is allowed). Prior treatment with a hypomethylating agent (with or without a JAK inhibitor) is allowed for accelerated phase MPN. Prior treatment with any JAK inhibitor (including pacritinib) is allowed for any phase of disease (chronic, accelerated, or blast); however, must not have discontinued pacritinib due to toxicity. If a participant previously required dose reduction during pacritinib therapy and tolerated it well, then may enroll into a cohort utilizing that dose level or lower.
- WBC < 25 x 109/L prior to treatment initiation- subjects with WBC ≥ 25 x 109/L may still be eligible after receiving cytoreduction measures such as hydroxyurea and/or leukapheresis if WBC becomes < 25 x 109/L prior to treatment initiation. Cytoreduction with hydroxyurea and/or leukapheresis is allowed prior to treatment. Hydroxyurea must be discontinued ≥ 12 hours prior to treatment initiation.
- Demonstrate adequate organ function as defined below. All screening labs to be obtained within 28 days prior to registration:
- Total bilirubin: ≤ 1.5 x upper limit of normal (ULN) unless considered to be due to Gilbert's Syndrome, hemolysis, or leukemic organ involvement. Total bilirubin WBC < 25 x 109/L prior to treatment initiation- subjects with WBC ≥ 25 x 109/L may still be eligible after receiving cytoreduction measures such as hydroxyurea and/or leukapheresis if WBC becomes < 25 x 109/L prior to treatment initiation. Cytoreduction with hydroxyurea and/or leukapheresis is allowed prior to treatment. Hydroxyurea must be discontinued ≥ 12 hours prior to treatment initiation.
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- Demonstrate adequate organ function as defined below. All screening labs to be obtained within 28 days prior to registration:
- Total bilirubin: ≤ 1.5 x upper limit of normal (ULN) unless considered to be due to Gilbert's Syndrome, hemolysis, or leukemic organ involvement. Total bilirubin must be < 3 x upper limit normal in subjects with Gilbert's Syndrome, hemolysis, or leukemic organ involvement.
- Aspartate aminotransferase (AST): ≤ 3 x ULN (≤ 5 x ULN if considered to be due to myelofibrosis or leukemic organ involvement).
- Alanine aminotransferase (ALT): ≤ 3 x ULN (≤ 5 x ULN if considered to be due to myelofibrosis or leukemic organ involvement).
- Creatinine clearance: ≥ 30 mL/min by Cockcroft-gault formula or measured by 24-hour urine collection.
- Participants of child-bearing potential must agree to use highly effective contraceptive methods prior to study entry. 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.
Who cannot join
- Diagnosis of de novo AML, acute promyelocytic leukemia, or accelerated or blast phase MPN without a documented prior diagnosis of ET, PV, or PMF.
- Known CNS leukemia involvement. NOTE: Subjects with clinical suspicion or signs of neurologic deficit should undergo a screening lumbar puncture prior to enrollment to confirm lack of CNS leukemia.
- Previous treatment with BCL-2/BCL-X inhibitors (including venetoclax and navitoclax).
- Prior allogeneic stem cell transplantation for blast phase disease. Prior allogeneic stem cell transplantation for chronic and accelerated phase MPN is allowed. Subjects must not have received transplant within 60 days. Cannot be receiving immunosuppression therapy, with the exception of prednisone ≤10mg/d (or equivalent), for the treatment or prophylaxis of GVHD. If the subject has been on immunosuppressant treatment or prophylaxis for GVHD, the treatment must have been discontinued at least 14 days prior to study treatment and there must be no evidence of Grade ≥ 2 GVHD.
- Treatment with moderate or strong CYP3A4 inhibitors or strong CYP3A4 inducers within five half-lives or 14 days, whichever is shorter, prior to the initiation of study treatment.
- Treatment with chemotherapy, wide-field radiation, or biologic therapy, with the exception of hydroxyurea as above, and all trans-retinoic acid given initially for presumed APML, within 14 days of study entry. Prior JAK inhibitor (other than pacritinib) must be held for five half-lives prior to study entry. Administration of steroids to prevent withdrawal symptoms is allowed.
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- Treatment with investigational drug within five half-lives or 14 days, whichever is shorter, prior to study entry.
- Baseline prolonged QTc of > 480 msec. QTc measured by Fridericia's formula (QTc=QT/[RR1/3]) based on the mean of triplicate reads. Repeat EKGs after correction of electrolytes or discontinuation of QT prolonging medications are allowed to meet entry criteria.
- Grade ≥2 bleeding event within the previous 3 months. Treatment with anticoagulation or antiplatelet agents (except for aspirin at dosages ≤100 mg per day or prophylactic doses of enoxaparin or heparin) within five half-lives or 7 days, whichever is shorter.
- Any GI or metabolic condition that could interfere with absorption of oral medication.
- Known severe (Child-Turcotte-Pugh class C) hepatic cirrhosis. Testing not required.
- Pre-existing uncontrolled pathology such as heart failure (congestive/ischemic, NYHA classes III and IV), clinically significant abnormalities on a 12-lead electrocardiogram, significant pulmonary disease, severe/unstable arrhythmias/angina pectoris/hypertension, acute or chronic pancreatitis, etc. Acute myocardial infarction or stroke within 6 months of study entry.
- Known active HIV, Hepatitis B, or Hepatitis C infection; testing not required.
- Active uncontrolled or severe systemic infection. Enrollment is possible after control of infection, at discretion of the treating physician.
- History of another active malignancy in the previous 2 years, with the exception of:
- adequately treated in situ carcinoma of the cervix, breast, prostate; basal cell carcinoma pf the skin or localized squamous cell carcinoma of the skin.
- Pregnant or nursing female participants
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
United States1 site
Roswell Park Comprehensive Cancer Center
Buffalo, New York, 14263
ASK Roswell, 800-767-9355, AskRoswell@roswellpark.org
Steven Green, MD
About this study
This phase I trial studies the side effects and best dose of pacritinib when given together with venetoclax and azacitidine in treating patients with accelerated and blast phase myeloproliferative neoplasms (MPN-AP/BP). Pacritinib and azacitidine may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Venetoclax is in a class of medications called B-cell lymphoma-2 (BCL-2) inhibitors. It may stop the growth of cancer cells by blocking Bcl-2, a protein needed for cancer cell survival. Giving pacritinib together with venetoclax and azacitidine may be safe, tolerable, and/or effective in treating patients with MPN-AP/BP
Read the detailed description
PRIMARY OBJECTIVE:
- To estimate the maximum tolerated dose (MTD) of pacritinib when used in combination with venetoclax and azacitidine in subjects with MPN-AP/BP.
SECONDARY OBJECTIVES:
- To evaluate the frequency and nature of adverse events of the combination of venetoclax, azacitidine, and pacritinib in subjects with accelerated and blast phase myeloproliferative neoplasms (MPN-AP/BP).
II. To estimate the rate of responses as defined by European LeukemiaNet (ELN) 2022 response criteria for acute myeloid leukemia (AML).
III. To estimate the rate of responses as defined by Post-Myeloproliferative Neoplasm (MPN) AML Consortium 2012 criteria.
IV. To estimate the average reduction in spleen volume from baseline to week 12 and week 24 OUTLINE: This is a dose-escalation study of pacritinib in combination with venetoclax and azacitidine.
Patients receive pacritinib orally (PO) once daily (QD) or twice daily (BID) on days 1-28 of each cycle, venetoclax PO QD on days 1-21 of each cycle, and azacitidine subcutaneously (SC) or intravenously (IV) over 10-40 minutes on days 1-7 of each cycle. Cycles repeat every 28 days for up to 12 cycles in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo magnetic resonance imaging (MRI) or computed tomography (CT) as well as bone marrow aspiration and biopsy throughout the trial. Patients also undergo blood sample collection on study.
After completion of study treatment, patients are followed up at 30 days and then every 3 months for up to 1 year from the start of treatment.
- Conditions
- Myeloproliferative Neoplasm
- Being tested
- Pacritinib, Venetoclax, Azacitidine, Magnetic Resonance Imaging, Computed Tomography
- Medical subject headings
- Myeloproliferative Disorders
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PacritinibDrug
Also called 937272-79-2, SB-1518
Subjects will be dosed until MTD is reached
VenetoclaxDrug
Also called 1257044-40-8
Given PO
AzacitidineDrug
Also called 320-67-2
Given SC or IV
Magnetic Resonance ImagingProcedure or surgery
Also called MRI
Undergo MRI
Computed TomographyProcedure or surgery
Also called CAT Scan
Undergo CT
Bone Marrow AspirationProcedure or surgery
Undergo bone marrrow aspiration
| Study group | Role | What they receive |
|---|---|---|
| Treatment Arm 1 | Experimental | Pacritinib in combination with venetoclax and azacitidne. Dose will increase until side effects occur or maximum tolerated dose is reached. Additionally, patients undergo MRI or CT as well as bone marrow aspiration and biopsy throughout the trial. Receives: Drug: Pacritinib; Drug: Venetoclax; Drug: Azacitidine; Procedure: Magnetic Resonance Imaging; Procedure: Computed Tomography; Procedure: Bone Marrow Aspiration |
What is being measured
The primary outcome is the main question the study is designed to answer.
To determine the maximum tolerated dose (MTD) of the treatment regimen.
WIll be measured by assessing DLTS in a Bayesian optimal interval )BOIN design to determine the MTD
Measured: At the end of Cycle 1 (each cycle is 28 days)
Secondary outcomes (12)
Incidence of adverse events (AEs)
Will be assessed and graded by National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0, including but not limited to AEs, serious adverse events, DLTs, and clinical laboratory and electrocardiogram abnormalities.
Measured: Up to 30 days post treatment
Percentage of Complete Response
Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: 24 months
Complete response with incomplete hematologic recovery rate
As defined by ELN 2022 AML response criteria. Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: Up to 1 year post start of treatment
Complete response with partial hematologic recovery rate
As defined by ELN 2022 AML response criteria. Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: UP to 1 year post start of treatment
Complete Response without evidence of measurable residual disease rate
Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: UP to 1 year post start of treatment
Morphological leukemia-free state rate
Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: Up to 1 year post start of treatment
Partial remission Rate
Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: Up to 1 year post start of treatment
Complete molecular response rate
Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: Up to 1 year post start of treatment
Complete cytogenetic response rate
As defined by Post-MPN AML Consortium 2012 criteria. Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals
Measured: Up to 1 year post start of treatment
Acute leukemia response - complete rate
As defined by Post-MPN AML Consortium 2012 criteria. Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals.
Measured: Up to 1 year post start of treatment
Acute leukemia - partial rate
As defined by Post-MPN AML Consortium 2012 criteria. Will be summarized using frequencies and relative frequencies. Response rates will be presented along with the corresponding 90% confidence intervals
Measured: Up to 1 year post start of treatment
Change in Spleen volume
summarized by MRI or CT
Measured: fAt baseline to week 12 and 24
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted1 Jul 2026
- Study start1 Dec 2026 (estimated)
- Primary completion1 Sep 2028 (estimated)
- Study completion1 Sep 2029 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Myeloproliferative NeoplasmStudies 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 1
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 20 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Roswell Park Cancer Institute
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Steven Green, MD, Principal investigator, Roswell Park Comprehensive Cancer Institute
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07679334
- Sponsor's protocol ID
- I-3685225
- Status last verified
- Oct 2026
- First submitted
- 25 Jun 2026
- Last updated
- 21 Oct 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 21 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Phase I Trial of Pacritinib in Combination With Venetoclax and Azacitidine for the Treatment of Accelerated and Blast Phase Myeloproliferative Neoplasms
- ClinicalTrials.gov ID
- NCT07679334
- Acronym / sponsor ID
- I-3685225
- Conditions
- Myeloproliferative Neoplasm
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Not yet recruiting
- Enrolment
- 20 participants (estimated)
- Lead sponsor
- Roswell Park Cancer InstituteUniversity, hospital or other
- Study start
- 1 Dec 2026 (estimated)
- Primary completion
- 1 Sep 2028 (estimated)
- Study completion
- 1 Sep 2029 (estimated)
- First posted
- 1 Jul 2026 (actual)
- 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 phase I trial studies the side effects and best dose of pacritinib when given together with venetoclax and azacitidine in treating patients with accelerated and blast phase myeloproliferative neoplasms (MPN-AP/BP). Pacritinib and azacitidine may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Venetoclax is in a class of medications called B-cell lymphoma-2 (BCL-2) inhibitors. It may stop the growth of cancer cells by blocking Bcl-2, a protein needed for cancer cell survival. Giving pacritinib together with venetoclax and azacitidine may be safe, tolerable, and/or effective in treating patients with MPN-AP/BP
Detailed description
PRIMARY OBJECTIVE:
- To estimate the maximum tolerated dose (MTD) of pacritinib when used in combination with venetoclax and azacitidine in subjects with MPN-AP/BP.
SECONDARY OBJECTIVES:
- To evaluate the frequency and nature of adverse events of the combination of venetoclax, azacitidine, and pacritinib in subjects with accelerated and blast phase myeloproliferative neoplasms (MPN-AP/BP).
II. To estimate the rate of responses as defined by European LeukemiaNet (ELN) 2022 response criteria for acute myeloid leukemia (AML).
III. To estimate the rate of responses as defined by Post-Myeloproliferative Neoplasm (MPN) AML Consortium 2012 criteria.
IV. To estimate the average reduction in spleen volume from baseline to week 12 and week 24 OUTLINE: This is a dose-escalation study of pacritinib in combination with venetoclax and azacitidine.
Patients receive pacritinib orally (PO) once daily (QD) or twice daily (BID) on days 1-28 of each cycle, venetoclax PO QD on days 1-21 of each cycle, and azacitidine subcutaneously (SC) or intravenously (IV) over 10-40 minutes on days 1-7 of each cycle. Cycles repeat every 28 days for up to 12 cycles in the absence of disease progression or unacceptable toxicity. Additionally, patients undergo magnetic resonance imaging (MRI) or computed tomography (CT) as well as bone marrow aspiration and biopsy throughout the trial. Patients also undergo blood sample collection on study.
After completion of study treatment, patients are followed up at 30 days and then every 3 months for up to 1 year from the start of treatment.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Treatment Arm 1 | Experimental | Drug: Pacritinib, Drug: Venetoclax, Drug: Azacitidine, Procedure: Magnetic Resonance Imaging, Procedure: Computed Tomography, Procedure: Bone Marrow AspirationPacritinib in combination with venetoclax and azacitidne. Dose will increase until side effects occur or maximum tolerated dose is reached. Additionally, patients undergo MRI or CT as well as bone marrow aspiration and biopsy throughout the trial. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (12 listed)
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-2
- Subjects must have accelerated phase MPN as defined by 10-19% blasts or blast phase MPN (AML) as defined by ≥ 20% blasts in the blood or bone marrow by manual aspirate differential, immunohistochemistry staining, or flow cytometry, with a documented prior diagnosis of essential thrombocythemia (ET), polycythemia vera (PV), or primary myelofibrosis (PMF), The absence of a spleen, lack of splenomegaly, or history of splenic irradiation is not exclusionary.
- Subjects with blast phase MPN must be newly diagnosed/untreated (no prior blast reduction therapy for blast phase disease except for hydroxyurea and/or a JAK inhibitor; treatment of a prior accelerated phase is allowed). Prior treatment with a hypomethylating agent (with or without a JAK inhibitor) is allowed for accelerated phase MPN. Prior treatment with any JAK inhibitor (including pacritinib) is allowed for any phase of disease (chronic, accelerated, or blast); however, must not have discontinued pacritinib due to toxicity. If a participant previously required dose reduction during pacritinib therapy and tolerated it well, then may enroll into a cohort utilizing that dose level or lower.
- WBC < 25 x 109/L prior to treatment initiation- subjects with WBC ≥ 25 x 109/L may still be eligible after receiving cytoreduction measures such as hydroxyurea and/or leukapheresis if WBC becomes < 25 x 109/L prior to treatment initiation. Cytoreduction with hydroxyurea and/or leukapheresis is allowed prior to treatment. Hydroxyurea must be discontinued ≥ 12 hours prior to treatment initiation.
- Demonstrate adequate organ function as defined below. All screening labs to be obtained within 28 days prior to registration:
Key exclusion criteria (17 listed)
- Diagnosis of de novo AML, acute promyelocytic leukemia, or accelerated or blast phase MPN without a documented prior diagnosis of ET, PV, or PMF.
- Known CNS leukemia involvement. NOTE: Subjects with clinical suspicion or signs of neurologic deficit should undergo a screening lumbar puncture prior to enrollment to confirm lack of CNS leukemia.
- Previous treatment with BCL-2/BCL-X inhibitors (including venetoclax and navitoclax).
- Prior allogeneic stem cell transplantation for blast phase disease. Prior allogeneic stem cell transplantation for chronic and accelerated phase MPN is allowed. Subjects must not have received transplant within 60 days. Cannot be receiving immunosuppression therapy, with the exception of prednisone ≤10mg/d (or equivalent), for the treatment or prophylaxis of GVHD. If the subject has been on immunosuppressant treatment or prophylaxis for GVHD, the treatment must have been discontinued at least 14 days prior to study treatment and there must be no evidence of Grade ≥ 2 GVHD.
- Treatment with moderate or strong CYP3A4 inhibitors or strong CYP3A4 inducers within five half-lives or 14 days, whichever is shorter, prior to the initiation of study treatment.
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 |
|---|---|---|
| PacritinibAlso: 937272-79-2, SB-1518Subjects will be dosed until MTD is reached | Drug | Treatment Arm 1 |
| VenetoclaxAlso: 1257044-40-8Given PO | Drug | Treatment Arm 1 |
| AzacitidineAlso: 320-67-2Given SC or IV | Drug | Treatment Arm 1 |
| Magnetic Resonance ImagingAlso: MRIUndergo MRI | Procedure or surgery | Treatment Arm 1 |
| Computed TomographyAlso: CAT ScanUndergo CT | Procedure or surgery | Treatment Arm 1 |
| Bone Marrow AspirationUndergo bone marrrow aspiration | Procedure or surgery | Treatment Arm 1 |
Primary outcome
To determine the maximum tolerated dose (MTD) of the treatment regimen.
Time frame: At the end of Cycle 1 (each cycle is 28 days)
WIll be measured by assessing DLTS in a Bayesian optimal interval )BOIN design to determine the MTD
12 secondary outcomes
Incidence of adverse events (AEs)
Time frame: Up to 30 days post treatment
Percentage of Complete Response
Time frame: 24 months
Complete response with incomplete hematologic recovery rate
Time frame: Up to 1 year post start of treatment
Complete response with partial hematologic recovery rate
Time frame: UP to 1 year post start of treatment
Complete Response without evidence of measurable residual disease rate
Time frame: UP to 1 year post start of treatment
Morphological leukemia-free state rate
Time frame: Up to 1 year post start of treatment
Partial remission Rate
Time frame: Up to 1 year post start of treatment
Complete molecular response rate
Time frame: Up to 1 year post start of treatment
Complete cytogenetic response rate
Time frame: Up to 1 year post start of treatment
Acute leukemia response - complete rate
Time frame: Up to 1 year post start of treatment
Acute leukemia - partial rate
Time frame: Up to 1 year post start of treatment
Change in Spleen volume
Time frame: fAt baseline to week 12 and 24
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 21 Oct 2026.
- Individual participant dataSharing planned: No
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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.
Steven Green, MD principal investigator
Roswell Park Comprehensive Cancer Institute
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing Pacritinib, Venetoclax and Azacitidine in people with Myeloproliferative Neoplasm, run by Roswell Park Cancer Institute at 1 site in United States.
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 12 inclusion and 17 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: opening soon, as of the sponsor's last update on 21 Oct 2026. 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 United States. 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact ASK ROSWELL (1-800-767-9355, AskRoswell@roswellpark.org), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
To determine the maximum tolerated dose (MTD) of the treatment regimen. (time frame: At the end of Cycle 1 (each cycle is 28 days)). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
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 21 Oct 2026.