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A Phase 1 Study Evaluating CPI-0610 in Patients With Previously Treated Multiple Myeloma

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT02157636
Recruitment Status : Completed
First Posted : June 6, 2014
Last Update Posted : May 18, 2022
Sponsor:
Collaborator:
The Leukemia and Lymphoma Society
Information provided by (Responsible Party):
Constellation Pharmaceuticals

Brief Summary:
Open-label, sequential dose escalation and expansion study of CPI-0610 in patients with previously treated multiple myeloma. CPI-0610 is a small molecule inhibitor of bromodomain and extra-terminal (BET) proteins.

Condition or disease Intervention/treatment Phase
Multiple Myeloma Drug: CPI-0610 Phase 1

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 30 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1 Study of CPI-0610, a Small Molecule Inhibitor of BET (Bromodomain and Extra-terminal) Proteins, in Patients With Previously Treated Multiple Myeloma
Actual Study Start Date : July 2014
Actual Primary Completion Date : November 2017
Actual Study Completion Date : November 2017

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Multiple Myeloma

Arm Intervention/treatment
Experimental: CPI-0610 Drug: CPI-0610



Primary Outcome Measures :
  1. Frequency of dose-limiting toxicities (DLTs) associated with CPI-0610 administration during the first cycle (first 21 days) of treatment [ Time Frame: DLTs asessed during Cycle 1 (first 21 days on study) ]

Secondary Outcome Measures :
  1. Safety and tolerability of CPI-0610 as assessed by: frequency of adverse events and serious adverse events; changes in hematology and clinical chemistry values; changes in physical examination, vital signs, electrocardiogram, ECHO and ECOG score [ Time Frame: Assessed from Day 1 of Cycle 1 through 30 days after patient's last dose of study drug ]
  2. Pharmacokinetic parameters of CPI-0610: AUC(0-t), AUC(0-inf), AUCtau,ss, Tmax, Cmax, Ctrough, T1/2, Vd/F, CL/F [ Time Frame: Assessed during cycle 1 (first 21 days on study); and on cycle 2, day 1 ]
  3. Pharmacodynamic effects of CPI-0610: Changes in the expression of MYC and other genes in malignant tumor cells; changes in cellular proliferation and in the extent of apoptosis [ Time Frame: Assessed during cycle 1 (first 21 days on study); and on cycle 2, day 1 ]
    This outcome measure is a composite measure

  4. Changes in the expression of a set of genes in peripheral blood mononuclear cells (PBMCs) that are sensitive to BET inhibition [ Time Frame: Assessed during cycle 1 (first 21 days on study) ]
  5. Anti-myeloma activity associated with CPI-0610 treatment [ Time Frame: Assessed after every cycle of treatment; assessed up to approximately 12 months ]
    Anti-myeloma activity will be assessed using the International Myeloma Working Group (IMWG) Uniform Response Criteria for Multiple Myeloma



Information from the National Library of Medicine

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

Inclusion Criteria:

  • Adults (aged ≥ 18 years)
  • Histologically or cytologically confirmed diagnosis of multiple myeloma that has progressed despite at least one line of standard therapy
  • Must have measurable disease, defined by one or more of following: (i) a serum M protein > 0.5 g/dl measured by serum protein electrophoresis; (ii) urinary M protein excretion > 200 mg/24 hours; (iii) serum free light chain (FLC) measurement > 10 mg/dl, provided that the serum FLC ratio is abnormal
  • Eastern Cooperative Oncology Group (ECOG) performance status ≤2
  • Adequate hematological, renal, hepatic, and coagulation laboratory assessments
  • Written informed consent to participate in this study before the performance of any study-related procedure

Exclusion Criteria:

  • Current infection with HIV, Hepatitis B or Hepatitis C
  • Impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of CPI-0610, including any unresolved nausea, vomiting, or diarrhea that is CTCAE grade >1
  • Impaired cardiac function or clinically significant cardiac diseases, including any of the following:

    • Acute myocardial infarction or angina pectoris ≤ 6 months prior to starting study drug
    • Serum cardiac troponin (cTn) level ≥ 99% percentile of the upper reference limit
    • QTcF > 470 msec on the screening ECG
    • Left ventricular ejection fraction (LVEF) < 50%
  • Uncontrolled cardiac arrhythmia (patients with rate-controlled atrial fibrillation are not excluded.)
  • Any other concurrent severe and/or uncontrolled concomitant medical condition that could compromise participation in the study (e.g., clinically significant pulmonary disease, clinically significant neurological disorder, active or uncontrolled infection)
  • Systemic anti-cancer treatment or radiotherapy less than 2 weeks before the first dose of CPI-0610
  • Treatment with an investigational small molecule less than 2 weeks before the first dose of CPI-0610. In addition, the first dose of CPI-0610 should not occur before a period equal to or greater than 5 half-lives of the small molecule investigational agent has elapsed
  • Treatment with a therapeutic antibody less than 4 weeks before the first dose of CPI-0610. A minimum 2-week period between the last treatment with a therapeutic antibody and the first dose of CPI-0610 may be permitted in patients with rapidly progressive myeloma, following discussion with the medical monitor
  • Treatment with medications that are known to be strong inhibitors or inducers of CYP450 enzymes
  • Treatment with medications that are known to carry a risk of Torsades de Pointes
  • Immunosuppressive treatment that cannot be discontinued both prior to study entry and for the duration of the study. Oral prednisone at a dose of 10 mg or less per day is allowed, as are other oral corticosteroids given at glucocorticoid-equivalent doses. Topical, nasal and inhaled corticosteroids are also allowed
  • Pregnant or lactating women
  • Women of child-bearing potential and men with reproductive potential, if they are unwilling to use adequate contraception while on study therapy and for 3 months thereafter
  • Patients unwilling or unable to comply with the study protocol
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Responsible Party: Constellation Pharmaceuticals
ClinicalTrials.gov Identifier: NCT02157636    
Other Study ID Numbers: 0610-03
First Posted: June 6, 2014    Key Record Dates
Last Update Posted: May 18, 2022
Last Verified: May 2022
Keywords provided by Constellation Pharmaceuticals:
Phase 1
Oncology
BET Inhibitor
Additional relevant MeSH terms:
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Multiple Myeloma
Neoplasms, Plasma Cell
Neoplasms by Histologic Type
Neoplasms
Hemostatic Disorders
Vascular Diseases
Cardiovascular Diseases
Paraproteinemias
Blood Protein Disorders
Hematologic Diseases
Hemorrhagic Disorders
Lymphoproliferative Disorders
Immunoproliferative Disorders
Immune System Diseases