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A Phase IIb Trial of Vorinostat in Combination With Lenalidomide and Dexamethasone in Multiple Myeloma Patients Refractory to Previous Lenalidomide Containing Regimens

Phase 1/Phase 2
18 Years
Open (Enrolling)
Multiple Myeloma

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Trial Information

A Phase IIb Trial of Vorinostat in Combination With Lenalidomide and Dexamethasone in Multiple Myeloma Patients Refractory to Previous Lenalidomide Containing Regimens

Inclusion Criteria:

- Subjects must meet all of the following inclusion criteria to be eligible to enroll
in this study:

- International Staging System symptomatic multiple myeloma, as recently defined
(Kyle et al., 2009) or Durie-Salmon stage I-III multiple myeloma, after at least
one (1) prior anti-myeloma regimen.

- Refractory to lenalidomide (administered either with dexamethasone or in
combination with other agents); refractory will be defined as no response ( or PD on or within 60 days of discontinuing a prior lenalidomide-containing

- Measurable monoclonal protein by serum or urine; or FLC level ≥ 10mg/dL (with
abnormal FLC ratio), or measurable extramedullary plasmacytomas:

- No prior HDAC inhibitor

- Age ≥ 18 years

- Performance status ECOG 0-3

- Acceptable organ function as defined by:

- Bilirubin <2 x upper limit of normal

- ALT and AST <2.5 x upper limit of normal

- Serum creatinine <3.0 mg/dL

- ANC ≥1.0 x 109/L

- Platelet count ≥50 x 109/L

- QTc interval ≤ 470ms

- Non-pregnant and non-lactating

- Life expectancy of more than six months

- Written informed consent in accordance with federal, local and institutional

- Females of Child Bearing Potential* (FCBP) must have a negative serum or urine
pregnancy test, with a sensitivity of at least 50 mIU/mL within 10-14 days and
again within 24 hours prior to prescribing lenalidomide for cycle 1
(prescription must be filled with 7 days) and must either commit to continued
abstinence from heterosexual intercourse or begin TWO methods of acceptable
methods of birth control, one highly effective method AND one additional
effective method of birth control (contraception) AT THE SAME TIME, at least 28
days before she starts taking lenalidomide. FCBP must also agree to ongoing
pregnancy Testing. (See Appendix G: Risks of Fetal Exposure, Pregnancy Testing
Guidelines and Acceptable Birth Control Methods) *A female of childbearing
potential is a sexually mature female who: 1) has not undergone a hysterectomy
or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at
least 24 consecutive months (i.e., has had menses at any time in the preceding
24 consecutive months).

- Men must agree to use a latex condom during sexual contact with a FCBP even if
they have had a successful vasectomy (See Appendix G: Risks of Fetal Exposure,
Pregnancy Testing Guidelines and Acceptable Birth Control Methods)

- All study participants must be registered into the mandatory RevAssist® program
and be willing and able to comply with the requirements of RevAssist®.

- Subjects must adhere to the study visit schedule and other protocol requirements
and receive outpatient treatment and laboratory monitoring at the institute that
administers the drug.

- Subjects must agree to take enteric-coated aspirin 81-325 mg orally daily, or if
history of prior thrombotic disease or allergy to aspirin, must be fully
anticoagulated with warfarin (INR 2-3), Pradaxa® or be treated with full-dose,
low molecular weight heparin, as if to treat deep venous thrombosis
(DVT)/pulmonary embolism.

Exclusion Criteria:

- Subjects must not meet any of the following exclusion criteria to be eligible to
enroll in this study:

- Subjects with non-secretory or hyposecretory multiple myeloma, defined as <0.5
g/dL M-protein in serum and <200 mg/24 hr Bence Jones protein in urine and serum
free light chain <10mg/dL (<100 mg/L)

- Any other uncontrolled medical condition or comorbidity that might interfere
with subject's participation

- Pregnant or breast feeding females

- CrCl <30 ml/min or renal failure requiring hemodialysis

- Prior history or malignancy other than multiple myeloma, unless patient has been
disease free of the disease for ≥3 years.

- Prior or local irradiation within two weeks before screening

- Evidence of central nervous system (CNS) involvement

- Unable to take corticosteroids at study entry

- Peripheral neuropathy of ≥ grade 3 severity

- Inability or unwillingness to comply with birth control requirements

- Unable to take antithrombotic medicines at study entry

- Refusal to participate in study

- Persons protected by a legal regime (guardianship, trusteeship)

- Chemotherapy with approved or investigative anticancer therapeutics, including
steroid therapy dose as defined above, within 3 weeks prior to first dose

- Congestive heart failure (New York Heart Association class III to IV),
symptomatic ischemia, conduction abnormalities uncontrolled by conventional
intervention or myocardial infarction in the previous six months

- Acute active infection requiring systemic antibiotics, antivirals, or
antifungals within two weeks prior to first dose

- Known or suspected HIV infection, known HIV seropositivity, or active hepatitis
A, B, or C infection

Type of Study:


Study Design:

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

Assess the overall response rate (PR or better) of vorinostat in combination with lenalidomide and dexamethasone in patients with relapsed/refractory MM refractory to a previous lenalidomide containing regimen.

Outcome Description:

Defined as: Progression on therapy OR within 60 days after the last dose of a lenalidomide containing regimen OR No clinical response (

Outcome Time Frame:

within 60 days after last dose of lenalinomide containing regimen or until progression on therapy

Safety Issue:



United States: Food and Drug Administration

Study ID:




Start Date:

December 2011

Completion Date:

December 2014

Related Keywords:

  • Multiple Myeloma
  • multiple myeloma patients refractory to previous lenalidomide containing regimens
  • Multiple Myeloma
  • Neoplasms, Plasma Cell



John Theurer Cancer Center at Hackensack University Medical Center Hackensack, New Jersey  07601