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TGR-1202 + Ruxolitinib PMF PPV-MF PET-MF MDS/MPN Polycythemia Vera Resistant to Hydroxyurea

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ClinicalTrials.gov Identifier: NCT02493530
Recruitment Status : Recruiting
First Posted : July 9, 2015
Last Update Posted : July 19, 2017
Sponsor:
Information provided by (Responsible Party):

Study Description
Brief Summary:
This is a Phase 1, open-label, study of TGR-1202, a PI3K delta inhibitor, administered together with ruxolitinib in patients with myeloproliferative neoplasms (specifically: polycythemia vera, primary myelofibrosis, PPV-MF or PET-MF) and MDS/MPN.

Condition or disease Intervention/treatment Phase
Myelofibrosis Polycythemia Vera Drug: TGR-1202 Drug: ruxolitinib Phase 1

Detailed Description:

The escalation will include 2 initial sequential stages. Stage 1 will include myelofibrosis or hydroxyurea-resistant/refractory PV patients already taking therapeutic levels of ruxolitinib, but who are not achieving maximal response at the highest tolerated dose of ruxolitinib as discussed among investigators. Only TGR-1202 will be escalated in a modified 3+3 dose escalation algorithm to determine the MTD of TGR-1202 to be given with any given dose of ruxolitinib.

Stage 2 will include myelofibrosis or hydroxyurea-resistant/refractory PV patients who have never been on JAK-STAT inhibitory agents, and includes simultaneously initiation of both ruxolitinib and TGR-1202. In Stage 2, JAK Inhibitor naïve patients will receive TGR-1202 at the recommended dose established in Cohort 1, and ruxolitinib. As patients in Stage 1 will be on ruxolitinib at different doses, dose levels in Stage 2 will expand to meet requirements for safety analysis.


Study Design

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 80 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: TGR-1202 + Ruxolitinib in Subjects With Myelofibrosis, MDS/MPN, or Polycythemia Vera Resistant to Hydroxyurea
Study Start Date : July 2015
Estimated Primary Completion Date : December 2018
Estimated Study Completion Date : July 2019


Arms and Interventions

Arm Intervention/treatment
Experimental: Escalation and expansion
TGR1202 and Ruxolitinib combination
Drug: TGR-1202

Stage 1 will include myelofibrosis or hydroxyurea-resistant/refractory PV patients already taking therapeutic levels of ruxolitinib, but who are not achieving maximal response at highest tolerated dose of ruxolitinib.

Stage 2 will include myelofibrosis or hydroxyurea-resistant/refractory PV patients who have never been on JAK-STAT inhibitory agents, and includes simultaneously initiation of both ruxolitinib and TGR-1202. TGR-1202 will be administered at or below the recommended dose established in Stage 1.

Expansion will commence after proper combination doses of both agents is established.

Drug: ruxolitinib
Other Name: Jakafi


Outcome Measures

Primary Outcome Measures :
  1. Safety of TGR1202 in combination with ruxolitinib [ Time Frame: </=12 months ]
    All patients who have received at least one dose of TGR-1202 will be included in the safety population. All clinical safety data (vital signs, routine laboratory tests, and adverse events) will be tabulated and listed. The safety and tolerability of TGR-1202 and ruxolitinib will be evaluated by means of drug-related dose limiting toxicity, adverse event (AE) reports, physical examinations and laboratory safety evaluations.


Secondary Outcome Measures :
  1. Overall response [ Time Frame: EOT - 12 months ]
    Number of patients in each response category, polycythemia IWG response criteria, IWG-MRT response criteria, IWG MDS/MPN response criteria summarized as follows for target lesion criteria (see IWG for additional details): complete response (CR), normalization of bone marrow, peripheral counts, spleen size, and symptoms; partial response (PR); Hematologic improvement (HI), or progressive disease (PD). Patients are categorized according to the best response achieved prior to occurrence of progressive disease, where best response hierarchy is CR>PR>HI>SD>PD.

  2. Total symptom score (MPN-TSS) [ Time Frame: 16 weeks of therapy ]
    The myeloproliferative neoplasm - total symptoms score (MPN-TSS) is a validated tool in measurement in symptoms for patients with these diseases and we will measure patient reported outcomes with this validated tool

  3. Blood levels of TGR1202 in combination with ruxolitinib (Pharmacokinetics) [ Time Frame: 30 days ]
    The PK parameters (including AUC (0-∞), AUC (0- τ), Cmax, tmax, λz, and t½) of TGR-1202 and ruxolitinib following will be assessed by analysis of TGR-1202 plasma concentrations during the dose escalation phase of the study.


Other Outcome Measures:
  1. TGR-1202's effects plasma cytokine levels when added to ruxolitinib [ Time Frame: 0-16 weeks ]
  2. JAK2V617F allele burden [ Time Frame: 0-16 weeks ]
    Measurement of JAK2V617F allele burden by PCR

  3. Mutations found on next generation sequencing (NGS) correlated with response [ Time Frame: EOT 1 year ]

Eligibility Criteria

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • must voluntarily sign an ICF; and must be able to meet all study requirements
  • For escalation, subjects must have a pathologically confirmed diagnosis of PPV-MF, PETMF, or PMF as per the WHO diagnostic criteria (see Appendix B) (note that all diagnoses must include the presence of at least Grade 1 marrow fibrosis according to the European Consensus on Grading of BM Fibrosis (see Appendix C) as well as int-1, int-2, or high risk disease according to the IWG-MRT Dynamic IPSS; Patients with PV may enter the trial if they meet the labeled indication for ruxolitinib (eg hydroxyurea resistant or refractory); For expansion, subjects may have MDS/MPN (CMML, aCML, or MDS/MPN-U) for which the investigator warrants treatment, or who have a pathologically confirmed diagnosis of MF or PV as noted above
  • Escalation Stage 1 patients: who have not achieved normalization of splenomegaly, symptomology, or blood counts with at least 8 weeks of ruxolitinib
  • Escalation Stage 2 patients: who have not yet received therapy with any JAKSTAT regulators or PI3K delta inhibitors

    • A bone marrow biopsy must be performed within four weeks prior to Cycle 1 Day 1 treatment to establish the baseline fibrosis score, and consent is required prior to that bone marrow biopsy to assure tissue is collected for protocol mandated testing;
    • Subjects must have an Eastern Cooperative Oncology Group (ECOG) Performance Status of 0-2. (see Appendix E);
    • Life expectancy of at least six months;
    • Recovery to ≤ Grade 1 or baseline of any toxicities due to prior systemic treatments, excluding alopecia;
    • Women of child bearing potential (WCBP), defined as a sexually mature woman not surgically sterilized or not post-menopausal for at least 24 consecutive months if ≤55 years or 12 months if >55 years, must have a negative serum pregnancy test within 72 hours prior to the first dose of study drug and must agree to use adequate methods of birth control throughout the study.
    • Must have adequate organ function as demonstrated by the following:
    • ALT (SGPT) and/or AST (SGOT) ≤ 3x upper limit of normal (ULN), or ≤ 4 x ULN (if upon judgment of the treating physician, it is believed to be due to extramedullary hematopoiesis [EMH] related to MF); Direct bilirubin ≤ 1.5 x ULN; or ≤ 2x ULN (if upon judgment of the treating physician, it is believed to be due to EMH related to MF); Serum creatinine ≤ 2.5 mg/dL x ULN; Hgb ≥ 8 g/dL; Plt ≥ 30k; ANC ≥ 750/uL

Exclusion Criteria

  • Patients who meet any of the following criteria will be excluded from trial entry:
  • Other invasive malignancies within the last 2 years, except non-melanoma skin cancer and localized cured prostate, cervical cancer, and DCIS
  • History of CVA, unstable angina, MI, or ventricular arrhythmia within the last 6 months;
  • Any serious, unstable medical or psychiatric condition that would prevent, (as judged by the Investigator) the subject properly providing informed consent or any condition which would jeopardize compliance with the protocol
  • Known history of human immunodeficiency virus (HIV), or known active hepatitis A, B, or C infection (hepatitis B carriers with normal LFTs and undetectable viral loads are allowed);
  • Organ transplant recipients other than bone marrow transplant;
  • Women who are pregnant or lactating;
  • Autologous hematologic stem cell transplant within 3 months of study entry. Allogeneic SCT within 6 months. Grade II, or greater, active graft versus-host disease.
  • Use of an investigational drug within 21 days or 5 half-lives (whichever is shorter) prior to the first dose of TGR-1202. For investigational drugs for which 5 half-lives is less than 21 days, a minimum of 10 days between termination of the investigational drug and administration of TGR-1202 is required.
  • Previous therapy with GS-1101 (CAL-101), IPI-145 or any drug that specifically inhibits PI3K or mTOR within last 6 months;
  • Any major surgery, chemotherapy, or immunotherapy within the last 21 days (limited palliative radiation is allowed ≥ 2 weeks); concurrent hydroxyurea is allowed if less than 2 grams daily and on stable dose for ≤ 14 days prior to study entry;
  • Patient has received wide field radiotherapy (including therapeutic radioisotopes such as strontium 89) ≤ 28 days or limited field radiation for palliation ≤ 14 days prior to starting trial medications or has not recovered from side effects of such therapy;
  • Ongoing immunosuppressive therapy (prednisone or equivalent ≤10 mg daily allowed as clinically warranted).
  • Conditions that do not permit compliance with the protocol;
  • Concurrent condition that in the investigator's opinion would jeopardize compliance with the protocol.
Contacts and Locations

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02493530


Contacts
Contact: VICC Clinical Trials Information Program 800-811-8480

Locations
United States, Arizona
Mayo Clinic - Arizona Recruiting
Phoenix, Arizona, United States, 85054
Contact: Clinical Trials Office    855-776-0015      
Principal Investigator: Ruben Mesa, MD         
United States, Colorado
University of Colorado Cancer Center Not yet recruiting
Aurora, Colorado, United States, 80045
Contact: Clinical Trials Office    720-848-0018      
Principal Investigator: Daniel A Pollyea, MD, MS         
United States, Tennessee
Vanderbilt-Ingram Cancer Center Recruiting
Nashville, Tennessee, United States, 37232
Contact: Clinical Trials Office    800-811-8480      
Principal Investigator: Michael R Savona, MD         
United States, Wisconsin
Medical College of Wisconsin Recruiting
Milwaukee, Wisconsin, United States, 53226
Contact: Clinical Trials Office    414-805-1118      
Principal Investigator: Laura C. Michaelis, MD         
Sponsors and Collaborators
Vanderbilt-Ingram Cancer Center
Investigators
Principal Investigator: Michael Savona, MD Vanderbilt-Ingram Cancer Center
More Information

Additional Information:
Responsible Party: Michael R. Savona, Associate Professor of Medicine; Director, Hematology Early Therapeutics Program, Vanderbilt-Ingram Cancer Center
ClinicalTrials.gov Identifier: NCT02493530     History of Changes
Other Study ID Numbers: VICC HEM 1538
First Posted: July 9, 2015    Key Record Dates
Last Update Posted: July 19, 2017
Last Verified: July 2017

Keywords provided by Michael R. Savona, Vanderbilt-Ingram Cancer Center:
MDS/MPN

Additional relevant MeSH terms:
Primary Myelofibrosis
Polycythemia
Polycythemia Vera
Myelodysplastic-Myeloproliferative Diseases
Myeloproliferative Disorders
Bone Marrow Diseases
Hematologic Diseases
Bone Marrow Neoplasms
Hematologic Neoplasms
Neoplasms by Site
Neoplasms
Hydroxyurea
Antineoplastic Agents
Antisickling Agents
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Nucleic Acid Synthesis Inhibitors