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Chronic Hepatitis C InfectionPhase 1NCT00954993

Pharmacokinetics of Vaniprevir (MK-7009) and Hepatitis C Virus RNA Levels After Vaniprevir Treatment (MK-7009-029)

A Phase 1 study testing Vaniprevir in people with Chronic Hepatitis C Infection, run by Merck Sharp & Dohme LLC.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This study will evaluate the hepatic (liver) and plasma pharmacokinetics of Vaniprevir (MK-7009) by evaluation of ribonucleic acid (RNA) of the hepatitis C virus (HCV) in genotype 1, HCV-infected participants. Read more about this study

Who is it for?
Ages 40 to 65 years
Conditions the study is for
Chronic Hepatitis C Infection
What is being tested?
Vaniprevir
Could I receive a placebo?
No, everyone receives an active treatment
How many people
3 participants
Where
No sites listed yet
Study dates
13 Jan 2010to 4 Mar 2011
Phase
Phase 1
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Participant is a male or female between 40 to 65 years of age at the prestudy (screening) visit
  • Participant has a Body Mass Index (BMI) ≥18.5 kg/m2 and ≤36.0 kg/m2.
  • Participant requires a diagnostic biopsy, per local treatment guidelines, to monitor progression of liver disease.
  • Participant has chronic compensated, genotype 1 HCV infection as defined by positive serology for HCV and detectable HCV RNA in peripheral blood
  • Participant met pre-specified criteria based on laboratory values at screening for the following: -- Alanine aminotransferase (ALT): ≤400 U/L -- Aspartate aminotransferase (AST): ≤400 U/L -- Total bilirubin: ≤2.4 mg/dL -- Direct bilirubin: ≤1.0 mg/dL -- Creatinine clearance (Clcr): ≥60 mL/min (by the Cockcroft-Gault equation*) -- Albumin: ≥3.3 g/dL -- Alkaline phosphatase: ≤260 U/L -- Hemoglobin: ≥13 g/dL (men), ≥12 g/dL (women) -- White blood cell count: 3.8 to 10.7 ×103/μL -- Absolute neutrophil count: ≥1.5 ×103/μL -- Platelet count: ≥120 ×103/μL -- International normalized ratio (INR): ≤1.2 -- Thyroid stimulating hormone (TSH): 0.34 to 5.60 μIU/mL -- Alpha fetoprotein (AFP): <100 ng/mL
  • Participant does not have cirrhosis as confirmed by FibroSure™/FibroTest®
  • Participant is treatment-experienced, with regard to prior treatment for chronic HCV infection
  • Participant has the ability to avoid use of anticoagulants, nonsteroidal anti-inflammatory agents and aspirin for at least five (5) days preceding the initial liver biopsy and continuing throughout the entire study

Who cannot join

  • Participant is under the age of legal consent, is mentally or legally incapacitated/ institutionalized, has significant emotional problems at the time of prestudy screening visit or expected during the conduct of the study or has a history of a clinically significant psychiatric disorder which, in the opinion of the investigator, would interfere with the study procedures.
  • Participant has a history of stroke, chronic seizures, or major neurological disorder
  • Participant did not achieve a viral response to prior treatment with licensed interferon-based therapy (i.e., is a 'null responder'). Viral response is defined by a >= 2-log^10 decline in HCV viral RNA within the first 12 weeks of therapy.
  • Participant has previously been treated with an NS3/4A protease inhibitor for chronic HCV infection
  • Evidence of high grade bridging fibrosis (eg, METAVIR score >3, Ishak score >4 or Scheuer score >3) from prior liver biopsy within 3 years of study entry
  • Participant has evidence or history of chronic hepatitis not caused by HCV including but not limited to non-HCV viral hepatitis, nonalcoholic steatohepatitis (NASH), drug-induced hepatitis or autoimmune hepatitis. Note: Participants with history of acute non-HCV-related hepatitis which resolved >6 months before study entry can be enrolled.
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  • Participant has clinical or laboratory evidence of cirrhosis or other advanced liver disease
  • Participant has decompensated liver disease as indicated by a history of ascites, hepatic encephalopathy, or bleeding esophageal varices
  • Participant has been diagnosed or suspected of hepatocellular carcinoma
  • Participant has coinfection with human immunodeficiency virus (HIV)
  • Participant has positive Hepatitis B surface antigen or other evidence of active Hepatitis B infection
  • Participant has a history of gastric bypass surgery, bowel resection or other disorder that in the opinion of the investigator may interfere with the absorption of the study medication
  • Participant has a history of clinically significant uncontrolled endocrine, gastrointestinal, cardiovascular, hematological, immunological, renal, respiratory, or genitourinary abnormalities or diseases
  • Participant has a history of neoplastic disease (including leukemia, lymphoma, malignant melanoma), or myeloproliferative disease, regardless of the time since treatment
  • Participant consumes excessive amounts of alcohol, defined as greater than 3 glasses of alcoholic beverages (1 glass is approximately equivalent to: beer [284 mL], wine [125 mL], or distilled spirits [25 mL]) per day
  • Participant is currently a regular user (including use of any illicit drugs or has a history of drug (including alcohol) abuse within the last 3 months
  • Female participant is pregnant, lactating, expecting to conceive or donate eggs, or is of childbearing potential and unwilling to commit to two methods of birth control as outlined in inclusion criterion
  • Male Participant is planning to impregnate or provide sperm donation or has a female sexual partner of childbearing potential and is unwilling to commit to using two methods of birth control as outlined in inclusion criterion

About this study

Official title: A Multiple Dose Study to Evaluate Pharmacokinetics and Hepatitis C Virus RNA Following Administration of MK-7009 in Hepatitis C Infected Patients

This study will evaluate the hepatic (liver) and plasma pharmacokinetics of Vaniprevir (MK-7009) by evaluation of ribonucleic acid (RNA) of the hepatitis C virus (HCV) in genotype 1, HCV-infected participants.

Being tested
Vaniprevir
Keywords
Hepatitis C Virus (HCV), Vaniprevir, MK-7009
Medical subject headings
Hepatitis C

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • VaniprevirDrug

    Also called MK-7009

    Period 1: Vaniprevir 600 mg twice daily on Days 1-3 and a single dose of Vaniprevir 600 mg on Day 4. Period 2: Vaniprevir 300 mg twice daily on Days 1-3 and a single dose of Vaniprevir 300 mg on Day 4. There was at least a 30-day (up to approximately 140-day) washout interval between periods 1 and 2.

Study groups in NCT00954993
Study groupRoleWhat they receive
Vaniprevir 600 mg - 300 mgExperimentalFor each participant in period 1, 600 mg of Vaniprevir was taken twice daily on Days 1-3 and a single dose of Vaniprevir 600 mg was taken on Day 4. Period 1 was followed by a minimum 30-day, up to approximately 140 day, washout interval. In period 2, 300 mg of Vaniprevir was taken twice daily by each participant on Days 1-3 and a single dose of Vaniprevir 300 mg was taken on Day 4.
Receives: Drug: Vaniprevir

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Area Under the Curve (AUC) (0-12 Hrs) of Vaniprevir in the Liver

    Participants were treated with vaniprevir twice daily on days 1,2, and 3. On treatment Day 4 participants were treated once with vaniprevir; then core needle liver biopsies were to be collected at 6, 12 and 24 hours postdose to determine the AUC of vaniprevir. AUC is the integrated area under the curve for plasma concentration of vaniprevir over time.

    Measured: 6, 12 and 24 hours postdose on day 4 of each period (up to Day 148)

  2. Concentration of Vaniprevir in the Liver

    Participants were treated with vaniprevir on days, 1,2, and 3. On treatment Day 4 participants were treated once with vaniprevir; then core needle liver biopsies were collected at 6, 12, and 24 hours postdose to determine the concentration of vaniprevir in the liver.

    Measured: 6, 12 and 24 hours postdose on day 4 of each period (up to day 148)

  3. Apparent Terminal Half-life (t-1/2) of Vaniprevir in the Liver

    Participants were treated with vaniprevir twice daily on days 1,2, and 3. On treatment Day 4 participants were treated once with vaniprevir; then core needle liver biopsies were to be collected at 6, 12 and 24 hours postdose to determine the t-1/2 of vaniprevir. The t-1/2 is the time taken to eliminate half the amount of vaniprevir.

    Measured: 6, 12 and 24 hours postdose on day 4 of each period (up to day 148)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted7 Aug 2009 (estimated)
  2. Study start13 Jan 2010
  3. Primary completion4 Mar 2011
  4. Study completion4 Mar 2011

Why it stopped: This study was stopped for business and program changes. At no time was the safety of any participants at risk.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
3 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00954993
Sponsor's protocol ID
7009-029
Other IDs
2009-013076-41, 2009
Status last verified
Sep 2018
First submitted
6 Aug 2009
Last updated
18 Oct 2018
Data monitoring committee
No
Individual data sharing
Yes: https://www.merck.com/clinical-trials/pdf/ProcedureAccessClinicalTrialData.pdf

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Vaniprevir in people with Chronic Hepatitis C Infection, run by Merck Sharp & Dohme LLC.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 8 inclusion and 18 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 18 Oct 2018. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 29 Sep 2014). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Area Under the Curve (AUC) (0-12 Hrs) of Vaniprevir in the Liver (time frame: 6, 12 and 24 hours postdose on day 4 of each period (up to Day 148)). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Oct 2018.

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