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A Multiple Dose Study to Evaluate the Safety and Efficacy of MK-2748 in Hepatitis C-Infected Participants (MK-2748-002 AM1)

Primary Purpose

Hepatitis C

Status
Completed
Phase
Phase 1
Locations
Study Type
Interventional
Intervention
MK-2748
Placebo
Sponsored by
Merck Sharp & Dohme LLC
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Hepatitis C

Eligibility Criteria

18 Years - 65 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion criteria:

  • Clinical diagnosis of chronic HCV infection (GT1 or GT3) for at least 6 months and detectable HCV-RNA in peripheral blood
  • Body mass index (BMI) of 18 to 37 kg/m^2
  • No clinically significant abnormality on electrocardiogram (ECG)
  • Stable health
  • Willing to use appropriate contraception throughout the study and for 90 days after last dose of study drug

Exclusion criteria:

  • Participant is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the study
  • History of stroke, chronic seizures, or major neurological disorder
  • History of clinically significant endocrine, gastrointestinal (excepting HCV infection), cardiovascular, hematological, hepatic, immunological, renal, respiratory, or genitourinary abnormalities or diseases
  • History of neoplastic disease (exceptions of adequately treated non-melanomatous skin carcinoma or carcinoma in situ of the cervix, or other malignancies which have been successfully treated ≥10 years prior and unlikely to recur
  • Positive Hepatitis B surface antigen
  • Documented human immunodeficiency virus (HIV) infection
  • Consumption of excessive amounts of alcohol, defined as greater than 2 glasses of alcoholic beverages (1 glass is approximately equivalent to: beer [284 mL/10 ounces],wine [125 mL/4 ounces], or distilled spirits [25 mL/1 ounce]) per day
  • Consumption of excessive amounts, defined as greater than 6 servings (1 serving is approximately equivalent to 120 mg of caffeine) or coffee, tea, cola, or other caffeinated beverages per day
  • Major surgery, donated or lost 1 unit of blood (approximately 500 mL) within 4 weeks prior to study enrollment
  • History of significant multiple and/or severe allergies (including latex allergy), or has had an anaphylactic reaction or significant intolerability to prescription or non-prescription drugs or food
  • Current regular user (including "recreational use") of any illicit drugs or history of drug (including alcohol) abuse within approximately 2 months prior to enrollment
  • Evidence or history of chronic hepatitis not caused by HCV including but not limited to non-HCV viral hepatitis, non-alcoholic steatohepatitis (NASH), drug induced hepatitis, autoimmune hepatitis
  • Previous treatment with other HCV NS3/4A protease inhibitors
  • Previous exposure to interferon-alpha and/or ribavirin within 3 months prior to study enrollment
  • Clinical or laboratory evidence of advanced or decompensated liver disease; evidence of bridging fibrosis or higher grade fibrosis (Metavir score ≥3)
  • Participation in another investigational study within 4 weeks prior to enrollment

Sites / Locations

    Arms of the Study

    Arm 1

    Arm 2

    Arm 3

    Arm 4

    Arm 5

    Arm 6

    Arm 7

    Arm 8

    Arm 9

    Arm 10

    Arm Type

    Experimental

    Experimental

    Experimental

    Experimental

    Experimental

    Experimental

    Experimental

    Experimental

    Experimental

    Experimental

    Arm Label

    Panel A: GT1, low dose

    Panel B: GT1, lower dose

    Panel C: GT1, dose based on Panels A+B

    Panel G: GT1, dose based on Panels A+B+C

    Panel H: GT1, dose based on Panels A+B+C+G

    Panel D: GT3, low dose (Omitted)

    Panel E: GT3, high dose

    Panel F: GT3, dose based on Panel E

    Panel I: GT3, dose based on Panels E+F

    Panel J: GT3, dose based on Panels E+F+I

    Arm Description

    Participants with genotype 1 (GT1) Hepatitis C Virus (HCV) will receive low dose MK-2748 daily for 7 days.

    Participants with GT1 HCV will receive lower dose MK-2748 daily for 7 days.

    Participants with GT1 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels A (low dose) and B (lower dose).

    Participants with GT1 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels A (low dose), B (lower dose), and C.

    Participants with GT1 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels A (low dose), B (lower dose), C, and G.

    Participants with genotype 3 (GT3) HCV were to receive low dose MK-2748 daily for 7 days. Panel D was omitted from the study design and participants were not enrolled in this panel.

    Participants with genotype 3 (GT3) HCV will receive high dose MK-2748 daily for 7 days.

    Participants with GT3 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panel E (high dose).

    Participants with GT3 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels E (high dose) and F.

    Participants with GT3 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels E (high dose), F, and I.

    Outcomes

    Primary Outcome Measures

    Change from baseline in HCV RNA viral load (log 10 copies/mL) in GT1 HCV-infected participants
    Change from baseline in HCV RNA viral load (log 10 copies/mL) in GT3 HCV-infected participants
    Number of participants experiencing clinical or laboratory adverse events (AEs)
    Number of participants discontinued from study treatment due to AEs

    Secondary Outcome Measures

    Area under the plasma concentration curve from Hour 0 to Hour 24 (AUC0-24hr) for MK-2748
    Plasma concentration of MK-2748 (C24) on Day 7 of dosing

    Full Information

    First Posted
    May 4, 2012
    Last Updated
    January 21, 2015
    Sponsor
    Merck Sharp & Dohme LLC
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    1. Study Identification

    Unique Protocol Identification Number
    NCT01593735
    Brief Title
    A Multiple Dose Study to Evaluate the Safety and Efficacy of MK-2748 in Hepatitis C-Infected Participants (MK-2748-002 AM1)
    Official Title
    A Multiple Dose Study to Evaluate the Safety, Pharmacokinetics and Pharmacodynamics of MK-2748 in Hepatitis C-Infected Participants
    Study Type
    Interventional

    2. Study Status

    Record Verification Date
    January 2015
    Overall Recruitment Status
    Completed
    Study Start Date
    May 2012 (undefined)
    Primary Completion Date
    February 2013 (Actual)
    Study Completion Date
    February 2013 (Actual)

    3. Sponsor/Collaborators

    Responsible Party, by Official Title
    Sponsor
    Name of the Sponsor
    Merck Sharp & Dohme LLC

    4. Oversight

    Data Monitoring Committee
    No

    5. Study Description

    Brief Summary
    This is a multiple dose study of the safety and efficacy of MK-2748 to be done in 2 Parts. Part I will enroll genotype 1 (GT1) hepatitis C virus (HCV)-infected participants and Part II will enroll genotype 3 (GT3) HCV-infected participants. Both Parts may run concurrently or may be staggered.

    6. Conditions and Keywords

    Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
    Hepatitis C

    7. Study Design

    Primary Purpose
    Treatment
    Study Phase
    Phase 1
    Interventional Study Model
    Parallel Assignment
    Masking
    ParticipantInvestigator
    Allocation
    Randomized
    Enrollment
    30 (Actual)

    8. Arms, Groups, and Interventions

    Arm Title
    Panel A: GT1, low dose
    Arm Type
    Experimental
    Arm Description
    Participants with genotype 1 (GT1) Hepatitis C Virus (HCV) will receive low dose MK-2748 daily for 7 days.
    Arm Title
    Panel B: GT1, lower dose
    Arm Type
    Experimental
    Arm Description
    Participants with GT1 HCV will receive lower dose MK-2748 daily for 7 days.
    Arm Title
    Panel C: GT1, dose based on Panels A+B
    Arm Type
    Experimental
    Arm Description
    Participants with GT1 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels A (low dose) and B (lower dose).
    Arm Title
    Panel G: GT1, dose based on Panels A+B+C
    Arm Type
    Experimental
    Arm Description
    Participants with GT1 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels A (low dose), B (lower dose), and C.
    Arm Title
    Panel H: GT1, dose based on Panels A+B+C+G
    Arm Type
    Experimental
    Arm Description
    Participants with GT1 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels A (low dose), B (lower dose), C, and G.
    Arm Title
    Panel D: GT3, low dose (Omitted)
    Arm Type
    Experimental
    Arm Description
    Participants with genotype 3 (GT3) HCV were to receive low dose MK-2748 daily for 7 days. Panel D was omitted from the study design and participants were not enrolled in this panel.
    Arm Title
    Panel E: GT3, high dose
    Arm Type
    Experimental
    Arm Description
    Participants with genotype 3 (GT3) HCV will receive high dose MK-2748 daily for 7 days.
    Arm Title
    Panel F: GT3, dose based on Panel E
    Arm Type
    Experimental
    Arm Description
    Participants with GT3 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panel E (high dose).
    Arm Title
    Panel I: GT3, dose based on Panels E+F
    Arm Type
    Experimental
    Arm Description
    Participants with GT3 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels E (high dose) and F.
    Arm Title
    Panel J: GT3, dose based on Panels E+F+I
    Arm Type
    Experimental
    Arm Description
    Participants with GT3 HCV will be dosed with MK-2748 daily for 7 days based on the safety, pharmacokinetic, and/or pharmacodynamic data from Panels E (high dose), F, and I.
    Intervention Type
    Drug
    Intervention Name(s)
    MK-2748
    Intervention Description
    MK-2748 tablets, orally, once daily for 7 days, dose level dependent on Panel assignment
    Intervention Type
    Drug
    Intervention Name(s)
    Placebo
    Intervention Description
    Placebo tablets, orally, once daily for 7 days
    Primary Outcome Measure Information:
    Title
    Change from baseline in HCV RNA viral load (log 10 copies/mL) in GT1 HCV-infected participants
    Time Frame
    Predose on Day 1 through Day 56
    Title
    Change from baseline in HCV RNA viral load (log 10 copies/mL) in GT3 HCV-infected participants
    Time Frame
    Predose on Day 1 through Day 56
    Title
    Number of participants experiencing clinical or laboratory adverse events (AEs)
    Time Frame
    From first dose up to 21 days
    Title
    Number of participants discontinued from study treatment due to AEs
    Time Frame
    From Day 1 through Day 7
    Secondary Outcome Measure Information:
    Title
    Area under the plasma concentration curve from Hour 0 to Hour 24 (AUC0-24hr) for MK-2748
    Time Frame
    Day 1 and Day 7, predose through 24 hours post-dose
    Title
    Plasma concentration of MK-2748 (C24) on Day 7 of dosing
    Time Frame
    24 hours post-dose on Day 7

    10. Eligibility

    Sex
    All
    Minimum Age & Unit of Time
    18 Years
    Maximum Age & Unit of Time
    65 Years
    Accepts Healthy Volunteers
    No
    Eligibility Criteria
    Inclusion criteria: Clinical diagnosis of chronic HCV infection (GT1 or GT3) for at least 6 months and detectable HCV-RNA in peripheral blood Body mass index (BMI) of 18 to 37 kg/m^2 No clinically significant abnormality on electrocardiogram (ECG) Stable health Willing to use appropriate contraception throughout the study and for 90 days after last dose of study drug Exclusion criteria: Participant is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the study History of stroke, chronic seizures, or major neurological disorder History of clinically significant endocrine, gastrointestinal (excepting HCV infection), cardiovascular, hematological, hepatic, immunological, renal, respiratory, or genitourinary abnormalities or diseases History of neoplastic disease (exceptions of adequately treated non-melanomatous skin carcinoma or carcinoma in situ of the cervix, or other malignancies which have been successfully treated ≥10 years prior and unlikely to recur Positive Hepatitis B surface antigen Documented human immunodeficiency virus (HIV) infection Consumption of excessive amounts of alcohol, defined as greater than 2 glasses of alcoholic beverages (1 glass is approximately equivalent to: beer [284 mL/10 ounces],wine [125 mL/4 ounces], or distilled spirits [25 mL/1 ounce]) per day Consumption of excessive amounts, defined as greater than 6 servings (1 serving is approximately equivalent to 120 mg of caffeine) or coffee, tea, cola, or other caffeinated beverages per day Major surgery, donated or lost 1 unit of blood (approximately 500 mL) within 4 weeks prior to study enrollment History of significant multiple and/or severe allergies (including latex allergy), or has had an anaphylactic reaction or significant intolerability to prescription or non-prescription drugs or food Current regular user (including "recreational use") of any illicit drugs or history of drug (including alcohol) abuse within approximately 2 months prior to enrollment Evidence or history of chronic hepatitis not caused by HCV including but not limited to non-HCV viral hepatitis, non-alcoholic steatohepatitis (NASH), drug induced hepatitis, autoimmune hepatitis Previous treatment with other HCV NS3/4A protease inhibitors Previous exposure to interferon-alpha and/or ribavirin within 3 months prior to study enrollment Clinical or laboratory evidence of advanced or decompensated liver disease; evidence of bridging fibrosis or higher grade fibrosis (Metavir score ≥3) Participation in another investigational study within 4 weeks prior to enrollment

    12. IPD Sharing Statement

    Learn more about this trial

    A Multiple Dose Study to Evaluate the Safety and Efficacy of MK-2748 in Hepatitis C-Infected Participants (MK-2748-002 AM1)

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