Study of Vorinostat (MK0683), an Histone Deacetylase (HDAC) Inhibitor in Combination With Bortezomib in Patients With Relapsed or Refractory Multiple Myeloma (MK-0683-095)

Sponsor
Merck Sharp & Dohme LLC (Industry)
Overall Status
Completed
CT.gov ID
NCT00773838
Collaborator
(none)
143
1
40.2

Study Details

Study Description

Brief Summary

The purpose of this study is to evaluate the clinical activity of vorinostat in combination with bortezomib in participants with relapsed or refractory multiple myeloma after at least 2 prior treatment regimens. The primary objective is to define the objective response rate (RR) associated with the administration of vorinostat in combination with bortezomib to patients with relapsed and refractory multiple myeloma after at least 2 prior treatment regimens. The primary hypothesis of the study is the administration of vorinostat in combination with bortezomib will result in a clinically meaningful rate of objective response.

Condition or Disease Intervention/Treatment Phase
Phase 2

Detailed Description

The protocol has been amended to indicate that the Final Analysis is designated as the time when the primary endpoint of 29 responders has been met, or the time when all participants have discontinued treatment or have been enrolled in the study for at least 6 months (if the primary endpoint is not reached by this time). Following the Final Analysis, participants will be allowed to continue study treatment in an extension as long as they have not met the criteria for discontinuation, and will be followed for overall survival and serious AEs.

Study Design

Study Type:
Interventional
Actual Enrollment :
143 participants
Allocation:
Non-Randomized
Intervention Model:
Single Group Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
An International, Multicenter, Open-Label Study of Vorinostat (MK0683) in Combination With Bortezomib in Patients With Relapsed or Refractory Multiple Myeloma
Actual Study Start Date :
Dec 1, 2008
Actual Primary Completion Date :
May 16, 2011
Actual Study Completion Date :
Apr 9, 2012

Arms and Interventions

Arm Intervention/Treatment
Experimental: Vorinostat + Bortezomib

Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.

Drug: Vorinostat
Four 100 mg vorinostat capsules orally, once daily (QD) by mouth on Days 1-14 of each 21-day treatment cycle.
Other Names:
  • MK-0683
  • Suberoylanilide hydroxamic acid
  • Zolinza
  • Drug: Bortezomib
    Bortezomib 1.3 mg/m^2, IV injection QD on Days 1, 4, 8, and 11 of each 21-day treatment cycle.
    Other Names:
  • Velcade
  • Drug: Dexamethasone
    Five 4 mg Dexamethasone tablets orally, QD on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle if PD is observed after 2 treatment cycles or if NC to disease is observed after 4 treatment cycles.
    Other Names:
  • Decadron
  • Outcome Measures

    Primary Outcome Measures

    1. Objective Response Rate (RR) [Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)]

      Objective RR was defined as percentage (%) of participants with complete response (CR: disappearance of original monoclonal (M) paraprotein from blood & urine on at least 2 determinations for at least 6 weeks (WKs) by immunofixation studies, <5% plasma cells in bone marrow on at least 1 determination, no increase in size/number of lytic bone lesions (LBLs) & disappearance of soft tissue plasmacytomas (STP) for at least 6 WKs on skeletal survey (SS) if available) or partial response (PR: ≥50% reduction in serum M protein for at least 2 determinations 6 WKs apart, if present, reduction in 24-hour urinary light chain excretion by ≥90% or ≤200 mg for at least 2 determinations 6 WKs apart, ≥50% reduction in STP size for at least 6 WKs, & no increase in size/number of LBLs on SS if available) as assessed by Independent Adjudication Committee (IAC) per European Blood & Marrow Transplant (EBMT) criteria. To report RR & 95% confidence intervals (CIs), exact test of binomial parameter was used.

    Secondary Outcome Measures

    1. Number of Participants Who Experienced an Adverse Event (AE) [Up to approximately 22 months]

      An AE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the Sponsor's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition which is temporally associated with the use of the Sponsor's product, is also an AE. The number of participants who experienced an AE were reported.

    2. Number of Participants Who Discontinued Study Treatment Due to an AE [Up to approximately 18 months]

      An AE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the Sponsor's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition which is temporally associated with the use of the Sponsor's product, is also an AE. The number of participants who discontinued study treatment due to an AE were reported.

    3. Time To Disease Progression (TTP) as Determined by IAC Per EBMT Criteria [Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)]

      TTP was defined as the time from allocation to the first documented disease progression (PD) as determined by IAC per EBMT criteria or death due to myeloma, whichever occurred first. PD: >25% increase in level of serum Mparaprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median TTP (in months) and associated 95% CIs Kaplan-Meier method was used.

    4. TTP as Assessed by Investigator Per EBMT Criteria [Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)]

      TTP was defined as the time from allocation to the first documented PD as assessed by investigator per EBMT criteria or death due to myeloma, whichever occurred first. PD: >25% increase in level of serum Mparaprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median TTP (in months) and associated 95% CIs Kaplan-Meier method was used.

    5. Progression-Free Survival (PFS) as Determined by IAC Per EBMT Criteria [Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)]

      PFS was defined as the time from allocation to the first documents PD as determined by IAC per EBMT criteria or death due to any cause, whichever occurs first. PD: >25% increase in level of serum M-paraprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median PFS (in months) and associated 95%CIs Kaplan-Meier method was used.

    6. PFS as Assessed by Investigator Per EBMT Criteria [Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)]

      PFS was defined as the time from allocation to the first documents PD as assessed by investigator per EBMT criteria or death due to any cause, whichever occurs first. PD: >25% increase in level of serum M-paraprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median PFS (in months) and associated 95%CIs Kaplan-Meier method was used.

    7. Overall Survival (OS) [Up to approximately 40 months (through End of Trial data cut-off of 09-Apr-2012)]

      OS was defined as the time from allocation to death due to any cause. To report the median survival (in months) and the associated 95%CIs were reported using Kaplan-Meier method was used. Participants without documented death at the time of final analysis were censored at the date of the last follow up.

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • Has an established diagnosis of multiple myeloma based on myeloma diagnostic criteria

    • Must have adequate organ function

    • Is refractory to prior bortezomib regimen and have also been exposed to prior Immunomodulatory imide drugs (IMiD: thalidimide or lenalidmide)

    • Has relapsed and refractory multiple myeloma after at least 2 prior treatment regimens

    • Has performance status of ≤ 2 on the Eastern Cooperative Oncology Group (ECOG) Performance Scale

    • Has measurable disease, defined as any quantifiable serum monoclonal (M) protein value and, where applicable, urine light chain of ≥200 mg/24 hours

    • Female participants are not pregnant and not breastfeeding, and are not a woman of childbearing potential (WOCBP) or are a WOCBP who agrees to follow contraceptive guidance during the treatment period and for at least 30 days after the last dose of study intervention

    • Male participants must agree to use approved contraception during the treatment period and for at least 30 days after the last dose of study intervention and refrain from donating sperm during this period

    • Is relapsed, refractory, intolerant, and/or ineligible (in the opinion of the investigator) to other therapies including an IMiD (thalidomide or lenalidomide)

    • Is refractory to bortezomib (no response on prior bortezomib containing regimen or progression on or within 60 days of bortezomib containing regimen

    Exclusion Criteria:
    • Has known hypersensitivity to any components of bortezomib or vorinostat

    • Has had a prior allogeneic bone marrow transplant or plans to undergo any type of bone marrow transplantation within 4 weeks of the initiation of study therapy

    • Has an active systemic infection

    • Has acute diffuse infiltrative pulmonary disease or pericardial disease

    • Has known hypersensitivity to any components of bortezomib or vorinostat

    • Has active Hepatitis B or C, plasma cell leukemia, or is human immunodeficiency virus (HIV) positive

    • Has history of a prior malignancy with the exception of cervical intraepithelial neoplasia; non-melanoma skin cancer; adequately treated localized prostate carcinoma with prostate specific antigen (PSA) < 0.1; or who has undergone potentially curative therapy with no evidence of that disease for five years, or who is deemed at low risk for recurrence by his/her treating physician

    • Has known central nervous system (CNS) metastases and/or carcinomatous meningitis

    • Has plasma cell leukemia defined as the presence of more than 20% plasma cells in the peripheral blood and an absolute plasma cell count of at least 2000/μL

    • Has a history of a gastrointestinal surgery or other procedures that might, in the opinion of the Investigator, interfere with the absorption or swallowing of the study drug

    • Has preexisting National Cancer Institute (NCI) Common Toxicity Criteria (CTC) Grade 1 neuropathy with pain or >Grade 2 neuropathy

    Contacts and Locations

    Locations

    No locations specified.

    Sponsors and Collaborators

    • Merck Sharp & Dohme LLC

    Investigators

    • Study Director: Medical Director, Merck Sharp & Dohme LLC

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    Merck Sharp & Dohme LLC
    ClinicalTrials.gov Identifier:
    NCT00773838
    Other Study ID Numbers:
    • 0683-095
    • 2008-003753-33
    • MK-0683-095
    • 2008_524
    First Posted:
    Oct 16, 2008
    Last Update Posted:
    Apr 1, 2021
    Last Verified:
    Mar 1, 2021
    Individual Participant Data (IPD) Sharing Statement:
    Yes
    Plan to Share IPD:
    Yes
    Additional relevant MeSH terms:

    Study Results

    Participant Flow

    Recruitment Details
    Pre-assignment Detail Of 143 participants enrolled, 142 participants were allocated to treatment. Five participants received additional treatment for about 1 year during an extension as per investigator's discretion based on clinical benefit of the treatment received. All 5 participants discontinued extension treatment and were followed for survival up to 2 years post last dose of treatment.
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Period Title: Overall Study
    STARTED 143
    COMPLETED 0
    NOT COMPLETED 143

    Baseline Characteristics

    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Overall Participants 143
    Age (Years) [Mean (Standard Deviation) ]
    Mean (Standard Deviation) [Years]
    62.1
    (8.7)
    Sex: Female, Male (Count of Participants)
    Female
    56
    39.2%
    Male
    87
    60.8%
    Ethnicity (NIH/OMB) (Count of Participants)
    Hispanic or Latino
    5
    3.5%
    Not Hispanic or Latino
    138
    96.5%
    Unknown or Not Reported
    0
    0%
    Race (NIH/OMB) (Count of Participants)
    American Indian or Alaska Native
    0
    0%
    Asian
    34
    23.8%
    Native Hawaiian or Other Pacific Islander
    0
    0%
    Black or African American
    7
    4.9%
    White
    102
    71.3%
    More than one race
    0
    0%
    Unknown or Not Reported
    0
    0%

    Outcome Measures

    1. Primary Outcome
    Title Objective Response Rate (RR)
    Description Objective RR was defined as percentage (%) of participants with complete response (CR: disappearance of original monoclonal (M) paraprotein from blood & urine on at least 2 determinations for at least 6 weeks (WKs) by immunofixation studies, <5% plasma cells in bone marrow on at least 1 determination, no increase in size/number of lytic bone lesions (LBLs) & disappearance of soft tissue plasmacytomas (STP) for at least 6 WKs on skeletal survey (SS) if available) or partial response (PR: ≥50% reduction in serum M protein for at least 2 determinations 6 WKs apart, if present, reduction in 24-hour urinary light chain excretion by ≥90% or ≤200 mg for at least 2 determinations 6 WKs apart, ≥50% reduction in STP size for at least 6 WKs, & no increase in size/number of LBLs on SS if available) as assessed by Independent Adjudication Committee (IAC) per European Blood & Marrow Transplant (EBMT) criteria. To report RR & 95% confidence intervals (CIs), exact test of binomial parameter was used.
    Time Frame Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)

    Outcome Measure Data

    Analysis Population Description
    All participants who received at least one dose of study treatment
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 142
    Number (95% Confidence Interval) [Percentage of Participants]
    11.3
    7.9%
    Statistical Analysis 1
    Statistical Analysis Overview Comparison Group Selection Vorinostat + Bortezomib
    Comments
    Type of Statistical Test Other
    Comments
    Statistical Test of Hypothesis p-Value 0.419
    Comments
    Method Exact Test for Binomial Parameter
    Comments
    2. Secondary Outcome
    Title Number of Participants Who Experienced an Adverse Event (AE)
    Description An AE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the Sponsor's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition which is temporally associated with the use of the Sponsor's product, is also an AE. The number of participants who experienced an AE were reported.
    Time Frame Up to approximately 22 months

    Outcome Measure Data

    Analysis Population Description
    All participants who received at least one dose of study treatment
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 142
    Count of Participants [Participants]
    142
    99.3%
    3. Secondary Outcome
    Title Number of Participants Who Discontinued Study Treatment Due to an AE
    Description An AE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the Sponsor's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition which is temporally associated with the use of the Sponsor's product, is also an AE. The number of participants who discontinued study treatment due to an AE were reported.
    Time Frame Up to approximately 18 months

    Outcome Measure Data

    Analysis Population Description
    All participants who received at least one dose of study treatment
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 142
    Count of Participants [Participants]
    28
    19.6%
    4. Secondary Outcome
    Title Time To Disease Progression (TTP) as Determined by IAC Per EBMT Criteria
    Description TTP was defined as the time from allocation to the first documented disease progression (PD) as determined by IAC per EBMT criteria or death due to myeloma, whichever occurred first. PD: >25% increase in level of serum Mparaprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median TTP (in months) and associated 95% CIs Kaplan-Meier method was used.
    Time Frame Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)

    Outcome Measure Data

    Analysis Population Description
    All participants who received at least one dose of study treatment
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 142
    Median (95% Confidence Interval) [Months]
    3.47
    5. Secondary Outcome
    Title TTP as Assessed by Investigator Per EBMT Criteria
    Description TTP was defined as the time from allocation to the first documented PD as assessed by investigator per EBMT criteria or death due to myeloma, whichever occurred first. PD: >25% increase in level of serum Mparaprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median TTP (in months) and associated 95% CIs Kaplan-Meier method was used.
    Time Frame Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)

    Outcome Measure Data

    Analysis Population Description
    All participants who received at least one dose of study treatment
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 142
    Median (95% Confidence Interval) [Months]
    3.07
    6. Secondary Outcome
    Title Progression-Free Survival (PFS) as Determined by IAC Per EBMT Criteria
    Description PFS was defined as the time from allocation to the first documents PD as determined by IAC per EBMT criteria or death due to any cause, whichever occurs first. PD: >25% increase in level of serum M-paraprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median PFS (in months) and associated 95%CIs Kaplan-Meier method was used.
    Time Frame Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)

    Outcome Measure Data

    Analysis Population Description
    All participants who received at least one dose of study treatment
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 142
    Median (95% Confidence Interval) [Months]
    3.13
    7. Secondary Outcome
    Title PFS as Assessed by Investigator Per EBMT Criteria
    Description PFS was defined as the time from allocation to the first documents PD as assessed by investigator per EBMT criteria or death due to any cause, whichever occurs first. PD: >25% increase in level of serum M-paraprotein, which must also be an absolute increase of at least 5g/L (500 mg/dL) and confirmed on a repeat investigation or 25% increase in 24-hour urinary light chain excretion, which must also be an absolute increase of at least 200mg/24hour and confirmed on a repeat investigation or >25% increase in plasma cells in a bone marrow aspirate or on trephine biopsy, which must also be an absolute increase of at least 10% or definitive increase in size of existing LBLs or STP or development of hypercalcemia (corrected serum calcium >11.5 mg/dL or 2.8 mmol/L not attributable to any other cause). To report the median PFS (in months) and associated 95%CIs Kaplan-Meier method was used.
    Time Frame Up to approximately 30 months (through Final Analysis data cut-off of 16-May-2011)

    Outcome Measure Data

    Analysis Population Description
    All participants who received at least one dose of study treatment
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 142
    Median (95% Confidence Interval) [Months]
    2.83
    8. Secondary Outcome
    Title Overall Survival (OS)
    Description OS was defined as the time from allocation to death due to any cause. To report the median survival (in months) and the associated 95%CIs were reported using Kaplan-Meier method was used. Participants without documented death at the time of final analysis were censored at the date of the last follow up.
    Time Frame Up to approximately 40 months (through End of Trial data cut-off of 09-Apr-2012)

    Outcome Measure Data

    Analysis Population Description
    All allocated participants
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    Measure Participants 143
    Median (95% Confidence Interval) [Months]
    11.23

    Adverse Events

    Time Frame Up tp approximately 22 months for non-serious adverse events (AEs). Up to approximately 40 months for serious AEs and all-cause mortality.
    Adverse Event Reporting Description All-Cause Mortality reported for all randomized participants. Serious AEs and Other AEs were reported for all enrolled participants who received at least 1 dose of study treatment. Only serious AEs were collected for participants treated on extension.
    Arm/Group Title Vorinostat + Bortezomib
    Arm/Group Description Participants receive vorinostat 400 mg, orally, once daily (QD) on Days 1-14 of each 21-day treatment cycle and bortezomib 1.3mg/m^2 intravenous (IV) injection QD on Days 1, 4, 8 and 11 of each 21-day treatment cycle for up to 26 cycles. Participants with progressive disease (PD) after 2 cycles of treatment or no change (NC) after 4 cycles of treatment receive additional treatment of Dexamethasone, 20 mg of total daily dose, orally on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day treatment cycle for up to 26 cycles. Eligible participants could receive additional treatment on an extension.
    All Cause Mortality
    Vorinostat + Bortezomib
    Affected / at Risk (%) # Events
    Total 85/143 (59.4%)
    Serious Adverse Events
    Vorinostat + Bortezomib
    Affected / at Risk (%) # Events
    Total 92/142 (64.8%)
    Blood and lymphatic system disorders
    Anaemia 4/142 (2.8%) 4
    Febrile neutropenia 3/142 (2.1%) 3
    Hyperviscosity syndrome 1/142 (0.7%) 1
    Lymphadenitis 1/142 (0.7%) 1
    Pancytopenia 1/142 (0.7%) 1
    Thrombocytopenia 6/142 (4.2%) 6
    Cardiac disorders
    Acute myocardial infarction 1/142 (0.7%) 1
    Angina unstable 1/142 (0.7%) 2
    Cardiac failure 1/142 (0.7%) 1
    Myocardial ischaemia 1/142 (0.7%) 1
    Sinus tachycardia 1/142 (0.7%) 1
    Tachycardia 1/142 (0.7%) 1
    Ear and labyrinth disorders
    Deafness neurosensory 1/142 (0.7%) 1
    Endocrine disorders
    Inappropriate antidiuretic hormone secretion 1/142 (0.7%) 1
    Eye disorders
    Blepharitis 1/142 (0.7%) 1
    Cataract 1/142 (0.7%) 1
    Conjunctivitis 1/142 (0.7%) 1
    Gastrointestinal disorders
    Diarrhoea 8/142 (5.6%) 8
    Gingival bleeding 1/142 (0.7%) 1
    Inguinal hernia 1/142 (0.7%) 1
    Nausea 2/142 (1.4%) 3
    Vomiting 1/142 (0.7%) 1
    General disorders
    Asthenia 6/142 (4.2%) 6
    Fatigue 1/142 (0.7%) 1
    Mucosal inflammation 1/142 (0.7%) 1
    Oedema 1/142 (0.7%) 1
    Pain 1/142 (0.7%) 1
    Pyrexia 7/142 (4.9%) 7
    Immune system disorders
    Immunodeficiency 1/142 (0.7%) 1
    Infections and infestations
    Appendicitis 1/142 (0.7%) 1
    Bacteraemia 1/142 (0.7%) 1
    Bacterial sepsis 1/142 (0.7%) 1
    Bronchitis 1/142 (0.7%) 1
    Bronchopneumonia 1/142 (0.7%) 1
    Device related infection 1/142 (0.7%) 1
    Febrile infection 1/142 (0.7%) 1
    Gastroenteritis 2/142 (1.4%) 2
    Gastrointestinal infection 1/142 (0.7%) 1
    H1N1 influenza 1/142 (0.7%) 1
    Herpes zoster 1/142 (0.7%) 1
    Lobar pneumonia 1/142 (0.7%) 1
    Lower respiratory tract infection 3/142 (2.1%) 3
    Lung infection 2/142 (1.4%) 2
    Pharyngotonsillitis 1/142 (0.7%) 1
    Pneumocystis jiroveci pneumonia 2/142 (1.4%) 2
    Pneumonia 13/142 (9.2%) 14
    Pneumonia respiratory syncytial viral 1/142 (0.7%) 1
    Pyelonephritis acute 1/142 (0.7%) 1
    Respiratory tract infection 1/142 (0.7%) 1
    Sepsis 5/142 (3.5%) 5
    Septic shock 2/142 (1.4%) 2
    Staphylococcal infection 1/142 (0.7%) 1
    Streptococcal bacteraemia 1/142 (0.7%) 1
    Upper respiratory tract infection 2/142 (1.4%) 2
    Urinary tract infection 2/142 (1.4%) 2
    Urosepsis 1/142 (0.7%) 1
    Injury, poisoning and procedural complications
    Accidental overdose 12/142 (8.5%) 15
    Contusion 1/142 (0.7%) 1
    Femur fracture 1/142 (0.7%) 1
    Head injury 1/142 (0.7%) 1
    Heat stroke 1/142 (0.7%) 1
    Intentional overdose 1/142 (0.7%) 1
    Rib fracture 1/142 (0.7%) 1
    Upper limb fracture 1/142 (0.7%) 1
    Investigations
    Blood creatinine increased 1/142 (0.7%) 3
    Metabolism and nutrition disorders
    Dehydration 1/142 (0.7%) 1
    Hypercalcaemia 2/142 (1.4%) 2
    Hypokalaemia 1/142 (0.7%) 1
    Hyponatraemia 2/142 (1.4%) 2
    Malnutrition 1/142 (0.7%) 1
    Metabolic acidosis 1/142 (0.7%) 1
    Tumour lysis syndrome 1/142 (0.7%) 1
    Musculoskeletal and connective tissue disorders
    Arthritis 1/142 (0.7%) 1
    Back pain 1/142 (0.7%) 1
    Bone pain 1/142 (0.7%) 1
    Joint range of motion decreased 1/142 (0.7%) 1
    Muscular weakness 1/142 (0.7%) 2
    Musculoskeletal chest pain 1/142 (0.7%) 1
    Neck pain 1/142 (0.7%) 1
    Pathological fracture 1/142 (0.7%) 1
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Colon cancer 1/142 (0.7%) 1
    Neoplasm malignant 30/142 (21.1%) 31
    Nervous system disorders
    Altered state of consciousness 1/142 (0.7%) 1
    Cerebral haemorrhage 1/142 (0.7%) 1
    Convulsion 1/142 (0.7%) 1
    Dizziness 1/142 (0.7%) 1
    Nerve root compression 1/142 (0.7%) 1
    Post herpetic neuralgia 1/142 (0.7%) 1
    Psychiatric disorders
    Delirium 1/142 (0.7%) 1
    Renal and urinary disorders
    Haematuria 1/142 (0.7%) 1
    Neurogenic bladder 1/142 (0.7%) 1
    Renal failure 2/142 (1.4%) 2
    Renal failure acute 10/142 (7%) 12
    Renal failure chronic 1/142 (0.7%) 1
    Urinary retention 1/142 (0.7%) 1
    Respiratory, thoracic and mediastinal disorders
    Acute respiratory distress syndrome 1/142 (0.7%) 1
    Chronic obstructive pulmonary disease 1/142 (0.7%) 1
    Epistaxis 1/142 (0.7%) 1
    Hypoxia 1/142 (0.7%) 1
    Pleural effusion 2/142 (1.4%) 2
    Pulmonary embolism 1/142 (0.7%) 1
    Pulmonary oedema 2/142 (1.4%) 2
    Vascular disorders
    Thrombosis 1/142 (0.7%) 1
    Other (Not Including Serious) Adverse Events
    Vorinostat + Bortezomib
    Affected / at Risk (%) # Events
    Total 140/142 (98.6%)
    Blood and lymphatic system disorders
    Anaemia 74/142 (52.1%) 231
    Leukopenia 25/142 (17.6%) 74
    Neutropenia 53/142 (37.3%) 135
    Thrombocytopenia 99/142 (69.7%) 582
    Eye disorders
    Vision blurred 11/142 (7.7%) 13
    Gastrointestinal disorders
    Abdominal discomfort 8/142 (5.6%) 9
    Abdominal pain 18/142 (12.7%) 25
    Abdominal pain upper 12/142 (8.5%) 18
    Constipation 35/142 (24.6%) 47
    Diarrhoea 74/142 (52.1%) 189
    Dry mouth 10/142 (7%) 10
    Dyspepsia 11/142 (7.7%) 16
    Nausea 80/142 (56.3%) 162
    Vomiting 53/142 (37.3%) 103
    General disorders
    Asthenia 31/142 (21.8%) 57
    Chest pain 13/142 (9.2%) 15
    Chills 12/142 (8.5%) 14
    Fatigue 69/142 (48.6%) 143
    Oedema peripheral 17/142 (12%) 18
    Pyrexia 34/142 (23.9%) 56
    Infections and infestations
    Nasopharyngitis 14/142 (9.9%) 19
    Upper respiratory tract infection 17/142 (12%) 23
    Injury, poisoning and procedural complications
    Contusion 10/142 (7%) 12
    Investigations
    Blood creatinine increased 18/142 (12.7%) 31
    Platelet count decreased 15/142 (10.6%) 48
    Weight decreased 13/142 (9.2%) 21
    Metabolism and nutrition disorders
    Decreased appetite 53/142 (37.3%) 78
    Dehydration 11/142 (7.7%) 11
    Hypoalbuminaemia 10/142 (7%) 13
    Hypokalaemia 15/142 (10.6%) 27
    Hyponatraemia 11/142 (7.7%) 19
    Musculoskeletal and connective tissue disorders
    Arthralgia 13/142 (9.2%) 16
    Back pain 19/142 (13.4%) 26
    Bone pain 8/142 (5.6%) 14
    Muscle spasms 12/142 (8.5%) 17
    Musculoskeletal chest pain 10/142 (7%) 11
    Musculoskeletal pain 13/142 (9.2%) 15
    Myalgia 11/142 (7.7%) 12
    Pain in extremity 18/142 (12.7%) 22
    Nervous system disorders
    Dizziness 21/142 (14.8%) 26
    Headache 25/142 (17.6%) 35
    Neuralgia 14/142 (9.9%) 17
    Neuropathy peripheral 17/142 (12%) 27
    Peripheral sensory neuropathy 8/142 (5.6%) 14
    Psychiatric disorders
    Insomnia 13/142 (9.2%) 14
    Respiratory, thoracic and mediastinal disorders
    Cough 27/142 (19%) 31
    Dyspnoea 33/142 (23.2%) 56
    Epistaxis 23/142 (16.2%) 36
    Oropharyngeal pain 8/142 (5.6%) 9
    Productive cough 8/142 (5.6%) 10
    Vascular disorders
    Haematoma 8/142 (5.6%) 10
    Hypertension 13/142 (9.2%) 17
    Hypotension 14/142 (9.9%) 16

    Limitations/Caveats

    [Not Specified]

    More Information

    Certain Agreements

    Principal Investigators are NOT employed by the organization sponsoring the study.

    The Sponsor have the opportunity to review all proposed abstracts, manuscripts, or presentations regarding this study 60 days prior to submission for publication/presentation. Any information identified by the Sponsor as confidential must be deleted prior to submission. Sponsor review can be expedited to meet publication guidelines.

    Results Point of Contact

    Name/Title Senior Vice President, Global Clinical Development
    Organization Merck Sharp & Dohme Corp.
    Phone 1-800-672-6372
    Email ClinicalTrialsDisclosure@merck.com
    Responsible Party:
    Merck Sharp & Dohme LLC
    ClinicalTrials.gov Identifier:
    NCT00773838
    Other Study ID Numbers:
    • 0683-095
    • 2008-003753-33
    • MK-0683-095
    • 2008_524
    First Posted:
    Oct 16, 2008
    Last Update Posted:
    Apr 1, 2021
    Last Verified:
    Mar 1, 2021