Generation of Anti-HCV Antibodies From Bone Marrow: Defining the Repertoire of Immune Response to HCV Quasispecies

NCT ID: NCT00004851

Last Updated: 2008-03-04

Basic Information

• Recruitment Status: COMPLETED
• Total Enrollment: 1 participants
• Study Classification: OBSERVATIONAL
• Study Start Date: 1999-04-30
• Study Completion Date: 2001-05-31

Brief Summary

To generate a library of genes that reflect the entirety of antibody responses to hepatitis C virus (HCV) made during the 20-year course of HCV infection in a single patient (WH) whose viral quasispecies has been extensively characterized. In addition to characterizing the sequential events in antibody formation and their relationship to the changing pattern of viral quasispecies, we hope to identify neutralizing antibodies and the epitopes to which they are directed. Ultimately we seek to gain insight into the host mechanisms that suppress viral replication and to translate this to therapeutic and preventive modalities.

Detailed Description

To generate a library of genes that reflect the entirety of antibody responses to hepatitis C virus (HCV) made during the 20-year course of HCV infection in a single patient (WH) whose viral quasispecies has been extensively characterized. In addition to characterizing the sequential events in antibody formation and their relationship to the changing pattern of viral quasispecies, we hope to identify neutralizing antibodies and the epitopes to which they are directed. Ultimately we seek to gain insight into the host mechanisms that suppress viral replication and to translate this to therapeutic and preventive modalities.

Conditions

Hepatitis C

Eligibility Criteria

Inclusion Criteria

Persistent infection with mild hepatitis that is non-progressive.

• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

National Institutes of Health Clinical Center (CC)

NIH

Sponsor Role: lead

Locations

Warren G. Magnuson Clinical Center (CC)

Bethesda, Maryland, United States

Countries

United States

References

Feinstone SM, Alter HJ, Dienes HP, Shimizu Y, Popper H, Blackmore D, Sly D, London WT, Purcell RH. Non-A, non-B hepatitis in chimpanzees and marmosets. J Infect Dis. 1981 Dec;144(6):588-98. doi: 10.1093/infdis/144.6.588.

Reference Type: BACKGROUND

PMID: 6799586 (View on PubMed)

Hijikata M, Shimizu YK, Kato H, Iwamoto A, Shih JW, Alter HJ, Purcell RH, Yoshikura H. Equilibrium centrifugation studies of hepatitis C virus: evidence for circulating immune complexes. J Virol. 1993 Apr;67(4):1953-8. doi: 10.1128/JVI.67.4.1953-1958.1993.

Reference Type: BACKGROUND

PMID: 8383220 (View on PubMed)

Shimizu YK, Hijikata M, Iwamoto A, Alter HJ, Purcell RH, Yoshikura H. Neutralizing antibodies against hepatitis C virus and the emergence of neutralization escape mutant viruses. J Virol. 1994 Mar;68(3):1494-500. doi: 10.1128/JVI.68.3.1494-1500.1994.

Reference Type: BACKGROUND

PMID: 8107212 (View on PubMed)

Other Identifiers

99-CC-0090

Identifier Type: -

Identifier Source: secondary_id

990090

Identifier Type: -

Identifier Source: org_study_id