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Grazoprevir/ Elbasvir

Phase 3

Chronic Hepatitis C Virus | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Oct 2, 2018

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment421

FDA Designations

No designations recorded

Clinical trial landscape

Grazoprevir/ Elbasvir · 1 trial · 1 indication

Phase 3 1
NCT02105467Study of Efficacy and Safety of Grazoprevir (MK-5172)/Elbasvir (MK-8742) Combination Regimen for Treatment-Naïve Participants With Chronic Hepatitis C Virus Genotypes 1, 4, and 6 (MK-5172-060)Chronic Hepatitis C Virus
COMPLETED421 Analytics
PHASE3COMPLETED
Study of Efficacy and Safety of Grazoprevir (MK-5172)/Elbasvir (MK-8742) Combination Regimen for Treatment-Naïve Participants With Chronic Hepatitis C Virus Genotypes 1, 4, and 6 (MK-5172-060)
Chronic Hepatitis C VirusUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants Achieving Sustained Virologic Response at 12 Weeks After the End of Treatment (SVR12)
Week 24 (12 weeks after the end of treatment)

Hepatitis C Virus (HCV) ribonucleic acid (RNA) was measured using the Roche COBAS® Taqman® HCV Test, v2.0 assay. SVR12 was defined as HCV RNA \<Lower Limit of Quantification (\<15 IU/mL) 12 weeks after the end of all study therapy.

Percentage of Participants Experiencing at Least One Adverse Event
Up to Week 14 (14 days after the Blinded Treatment was completed)

An adverse event is defined as any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have a causal relationship with this treatment. An adverse event can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an adverse event.

Percentage of Participants Discontinued From Study Treatment Because of an Adverse Event
Up to Week 12 (end of Blinded Treatment)

An adverse event is defined as any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have a causal relationship with this treatment. An adverse event can therefore be any unfavourable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an adverse event.

Secondary Endpoints

Percentage of Participants Achieving Sustained Virologic Response at 24 Weeks After the End of Treatment (SVR24)
Week 36 (24 weeks after the end of treatment)
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Immediate Treatment GroupEXPERIMENTALParticipants received blinded grazoprevir 100 mg / elbasvir 50 mg fixed-dose combination (FDC) tablet orally once daily for 12 weeks followed by a 24-week follow-up period
Deferred Treatment GroupPLACEBO_COMPARATORParticipants received blinded placebo tablet orally once daily for 12 weeks; after a 4-week unblinding/washout period participants received open label grazoprevir 100 mg / elbasvir 50 mg FDC tablet orally once daily for 12 weeks. Follow-up was continued for an additional 24 weeks.

Interventions

NameTypeDescription
Grazoprevir 100mg / Elbasvir 50 mg FDCDRUG -
Placebo to Grazoprevir / Elbasvir 50 mg FDCDRUG -
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo

Inclusion criteria: * Documented chronic HCV GT1, GT4, or GT6 with no evidence of non-typeable or mixed genotype infection (positive for anti-HCV antibody, HCV RNA, or any of the listed GTs at least 6 months prior to screening must be confirmed by screening lab results) * Cirrhosis defined by: live...

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Frequently asked questions about Grazoprevir/ Elbasvir

What is Grazoprevir used for?

Grazoprevir is an investigational small molecule being developed for the treatment of Hepatitis C Virus infection, including chronic Hepatitis C. It is being studied in combination with other antiviral agents such as elbasvir and with peginterferon and ribavirin. The drug is currently in Phase 2 clinical development.

Who makes Grazoprevir?

Grazoprevir is being developed by Merck & Company, Inc., which trades under the ticker symbol MRK. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with chronic Hepatitis C infection.

What phase is Grazoprevir in?

Grazoprevir is currently in Phase 2 clinical development. It has completed 13 clinical trials with a total enrollment of 2,989 participants. The drug is investigational and has not been approved by regulatory authorities for any indication.

What clinical trials is Grazoprevir in?

Grazoprevir has been studied in several completed clinical trials, including NCT01353911, which evaluated the drug with peginterferon and ribavirin in treatment-naïve patients with chronic Hepatitis C. Other trials include NCT01710501, NCT01937975, and NCT02105467, which studied different dosing regimens and combinations.

Is Grazoprevir the same as MK-5172?

Yes, Grazoprevir is also known as MK-5172. Clinical trial records refer to the drug by both names, such as in the study titled 'Grazoprevir (MK-5172) Administered With Peginterferon and Ribavirin in Treatment-Naïve Participants With Chronic Hepatitis C.'