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Characterization of immune responses in Hepatitis B patients experiencing a flare after stopping nucleot(s)ide analogue therapy

Characterization of immune responses in Hepatitis B patients experiencing a flare after stopping nucleot(s)ide analogue therapy - HBV flare

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON50840
Enrollment
50
Registered
2021-10-04
Start date
2021-10-01
Completion date
Unknown
Last updated
2024-04-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cHBV Chronic hepatitis B

Interventions

None listed

Sponsors

Stichting Leveronderzoek
Lead Sponsor

Eligibility

Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: • Age between 18 and 65. • Previously diagnosed with chronic HBV. • Treated with entecavir or tenofovir. • Flare defined as ALT>=2x upper limit of normal. • Written informed consent.

Exclusion criteria

Exclusion criteria: • Hepatic imaging (ultrasound, CT or MRI) with evidence of hepatocellular carcinoma. • Females who are pregnant or breast-feeding. • History or other evidence of severe illness, malignancy or any other condition which would make the patient, in the opinion of the investigators, unsuitable for the study. • Received prolonged therapy with immunomodulatory agents (e.g. corticosteroids) or biologics (e.g. monoclonal antibody, interferon) within 6 months of screening.

Design outcomes

Primary

MeasureTime frame
Determine the percentages of (NK cells, B cells, T cells, monocytes and MAIT cells) of the total lymphocyte population and the expression levels of the relevant activation and inhibitory markers as well as assessing their function and gene expression profile.

Secondary

MeasureTime frame
Not applicable.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)