New drug shows promise against rare liver virus
NCT ID NCT06907290
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a new medicine called BJT-778 for people with chronic hepatitis delta, a serious liver infection. About 150 adults will either start the drug right away or wait 24 weeks before starting. The goal is to see if the drug can lower the virus level and improve liver health.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Sep 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Willing and able to provide written informed consent. * Chronic HDV infection * HDV RNA \>500 IU/mL at Screening. * Abnormal ALT (\>upper limit of normal) at Screening. * Willing to take or already taking HBV nucleos(t)ide therapy Exclusion Criteria: * Pregnant or nursing females. * Unwilling to comply with contraception requirements during the study. * Difficulty with blood collection and/or poor venous access for the purposes of phlebotomy * Presence of other liver disease(s) (does not include HBV or HDV infection) such as non-alcoholic steatohepatitis (NASH), alcohol associated hepatitis, cholestatic liver disease, hepatocellular carcinoma. * Clinical hepatic decompensation (i.e., ascites, encephalopathy variceal hemorrhage). * Solid organ or bone marrow transplantation Note: other protocol defined Inclusion/Exclusion criteria may apply.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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001 Auckland
Auckland, New Zealand
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101 Camperdown
Camperdown, Australia
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102 Melbourne
Melbourne, Victoria, Australia
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104 Liverpool
Liverpool, Australia
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110 Kyiv
Kyiv, 01001, Ukraine
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181 Tbilisi
Tbilisi, 0105, Georgia
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182 Tbilisi
Tbilisi, Georgia
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183 Tbilisi
Tbilisi, 0105, Georgia
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191 Istanbul
Istanbul, Istanbul, Turkey (Türkiye)
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211 Israel
Beersheba, Israel
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212 Haifa
Haifa, Haifa District, Israel
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221 Karachi City
Karachi, Karachi, Pakistan
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231 Toronto
Toronto, Ontario, Canada
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233 Calgary
Calgary, Calgary, Canada
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234 Alberta
Edmonton, Edmonton, T6G 2G5, Canada
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235 Montreal
Montreal, Quebec, Canada
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241, Massachusetts
Boston, Massachusetts, 02114, United States
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242 Huntington Beach
Huntington Beach, California, 92647, United States
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244 Los Angeles
Los Angeles, California, 90033, United States
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245 New York
New York, New York, 10007, United States
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247 Garden Grove
Garden Grove, California, 92840, United States
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248 Lowa
Cities in Iowa, Iowa, 52242, United States
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249 San Antonio
San Antonio, Texas, 78215, United States
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250 Miami
Miami, Florida, 33166, United States
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251, Illinois
Chicago, Illinois, 60612, United States
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252 Long Beach
Long Beach, California, 90805, United States
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253 New York
New York, New York, 10075, United States
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254 Baltimore
Baltimore, Maryland, 21287, United States
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255 New York
New York, New York, 10075, United States
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256 New York
New York, New York, 10065, United States
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257 Philadelphia
Philadelphia, Pennsylvania, 19104, United States
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291 Belgrade
Belgrade, Belgrade, Serbia
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702 Bulgaria
Sofia, Bulgaria
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703 Sliven
Sliven, Silven, 8800, Bulgaria
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704 Stara Zagora
Stara Zagora, Bulgaria
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705 Plovdiv
Plovdiv, Bulgaria
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706 Sofia
Sofia, Bulgaria
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901 Chisinau
Chisinau, Moldova
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a daily pill tame hepatitis d?
- New combo therapy aims to clear hepatitis b and d in 20-patient trial
- New antibody could tame dual hepatitis b and d infection
- New hope for hepatitis d: libevitug enters final testing phase
- New hope for hepatitis delta: phase 3 trial of brelovitug launches
- Liver drug bulevirtide tested in people with liver problems