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Hepatitis b drug combo tested in phase 3 trial – but study stopped early

NCT ID NCT00823342

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early This study
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested two antiviral drugs, clevudine and tenofovir, alone or together, in 150 adults with chronic hepatitis B who had not been treated before. The goal was to see which approach worked best at controlling the virus after 96 weeks of treatment and 24 weeks of follow-up. The trial was terminated early, so the full results are not available.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Clevudine and tenofovir (antiviral drugs)
What this could lead to
If successful, this could point toward a more effective treatment strategy for chronic hepatitis B, potentially reducing the need for lifelong medication.
What could go wrong
This trial was terminated early, so results are limited. The study is also small (150 participants) and only includes a specific subgroup of hepatitis B patients, so findings may not apply broadly.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 150 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2008

Finished

Dec 2008

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male and female patients over 18 years of age * Chronic hepatitis B, HBs Ag-positive for over 6 months, anti HBs negative * Patients with HBeAg- negative chronic hepatitis B (CHB) and anti-HBe positive at screen * Patients naïve to anti-HBV nucleoside or nucleotide and any other experimental nucleoside/nucleotide analog for HBV * Serum HBV-DNA quantifiable over 2000 IU/mL at screening * ALT over 1.25 ULN and below 10 ULN * Liver biopsy (baseline or within prior 6 months) with evidence of chronic hepatic inflammatory injury (Metavir Activity score over 1 ; Knodell necroinflammatory score over 3, Ishak score over 1) Exclusion Criteria: * Cirrhosis or bridging fibrosis on liver biopsy * Subjects who have received any form of alpha interferon in the past 6 months prior to the first administration of randomized treatment * Any systemic anti-viral, anti-neoplastic or immuno-modulatory treatment (including supraphysiologic doses of steroids and radiation) below 6 months prior to the first dose of randomized treatment and during the study (except for below 10 days of acyclovir for herpetic lesions, or prednisone below 10 mg/days for below 10 days more than 1 month) * Women with ongoing pregnancy or breast feeding * Positive test at screening for anti-HAV IgM Ab, anti-HIV Ab, anti-HCV Ab, HCV RNA, anti-HDV Ab * History or other evidence of a medical condition associated with chronic liver disease other than HBV (e.g., hemochromatosis, autoimmune hepatitis, metabolic liver disease including Wilson's disease and alpha1-antitrypsin deficiency, alcoholic liver disease, toxin exposures, toxic thalassemia, NASH) * History or other evidence of bleeding from esophageal varices or other clinical conditions consistent with decompensated liver disease (defined by one of the following criteria being met: serum albumin below 3.5 g/L, prothrombin time over 4 seconds prolonged, serum bilirubin over 34 µmol/L, history of encephalopathy, history of ascites) * Neutrophil count below 1200 cells/mm3 or platelet count below 90,000 cells/mm3 at screening * Serum creatinine level over 130µmol/l or calculated creatinine clearance below 70 ml/min (Cockcroft-Gault) * Evidence or history of tubular nephropathy , Fanconi syndrom or hypophosphoremia. * Evidence of drug abuse (including excessive alcohol consumption) within one year of study entry * History of a severe seizure disorder or current anticonvulsant use * History of immunologically mediated disease (e.g., inflammatory bowel disease, idiopathic thrombocytopenic purpura, lupus erythematosus, autoimmune hemolytic anemia, scleroderma, severe psoriasis, rheumatoid arthritis etc.) * History of major organ transplantation with an existing functional graft * History or other evidence of severe illness or any other conditions which would make the patient, in the opinion of the investigator, unsuitable for the study * Evidence of an active or suspected cancer or a history of malignancy where the risk of recurrence is over 20 % within 2 years * Patients with a value of alpha-fetoprotein over 100 ng/mL are excluded, unless stability (less than 10 % increase) has been documented over at least the previous 3 months * Patients included in another trial within 8 weeks prior to screening * Inability or unwillingness to provide informed consent or abide by the requirements of the study Reassessments : If a patient fails to meet the above inclusion /exclusion criteria for a reason thought to be reversible, that patient may be reassessed for entry on two additional occasions at most. If the parameter out of range for inclusion was ALT over 10 x ULN, the patient should be reassessed over 4 weeks after the date corresponding to the value that was over 10 x ULN.

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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

  • Hôpital Saint Joseph

    Marseille, 13285, France