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CompletedNCT05828745Updated May 21, 2025

A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of CB06-036 in Subjects With Chronic Hepatitis B

A Phase 1 interventional study of CB06-036 and Placebo in Chronic Hepatitis b, sponsored by Shanghai Zhimeng Biopharma, Inc.. Completed at 2 sites in 2 countries. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2025-05-21.

Sponsored by Shanghai Zhimeng Biopharma, Inc. · Phase 1, Interventional, and Treatment

Phase
Phase 1
Study type
Interventional
Enrollment
30
Allocation
Randomized
Ages
18 Years to 65 Years
Sex
All
01

Study summary

CB06-036 is an investigational drug developed by Shanghai Zhimeng Biopharma Inc. for the treatment of Chronic Hepatitis B.

02

Conditions studied

  • Chronic Hepatitis b

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Keywords

  • Chronic Hepatitis b
03

In context

Hepatitis B, Chronic

895 studies on the registry are indexed under Hepatitis B, Chronic; 151 are open to participants now.

This study's enrollment of 30 is below the median of 100 across 659 interventional studies indexed under Hepatitis B, Chronic.

Browse Hepatitis B, Chronic studies →

Lead sponsor

Shanghai Zhimeng Biopharma, Inc. is the lead sponsor of 11 studies on the registry; 5 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

    1. Provide written before any study assessment is performed. 2. Male or nonpregnant, nonlactating female between the ages of 18 and 65 years (inclusive) at screening.

Females of (as defined in Appendix 3) must have a negative serum pregnancy test at screening and a negative urine or serum pregnancy test at baseline prior to enrollment and agree to use 2 methods of . Methods must include 1 highly effective method with a secondary method of birth control during the study and for 3 months following the last dose of CB06-036. These methods are defined in Appendix 3.

Note: Females must agree not to breastfeed during the study and 30 days after receiving the last administration of CB06-036 and not to donate eggs (ova, oocytes) for assisted reproduction during the study and 90 days after receiving the last administration of CB06-036. Females of nonchildbearing potential defined as permanently sterile (ie, due to hysterectomy, bilateral salpingectomy, or bilateral oophorectomy) or , as defined in Appendix 3.

Males with a female partner(s) of childbearing potential will agree to use contraception as detailed in Appendix 3. Male subjects must not donate sperm during the study and for at least 90 days after the last administration of CB06-036.

  1. Documented evidence of chronic infection (eg, HBsAg positive for more than 6 months) with detectable HBsAg level at screening. Cohort 4 only: qHBsAg should be \<3000 IU/mL.
  1. Have been on commercially available HBV NA treatment(s) (tenofovir alafenamide, tenofovir disoproxil fumarate, entecavir, either as a single agent or in combination) for at least 6 months with no change in regimen for 3 months prior to screening.
  1. HBV DNA \<90 IU/mL; measured at least once by local laboratory assessment within 6 months prior to screening.
  1. HBV DNA \<90 IU/mL at screening. 7. (BMI) of 18.0 to 32.0 kg/m2 (inclusive), and a total body weight ≥50.0 kg for males and ≥45.0 kg for females at screening.
  1. (ECG) without abnormalities and with corrected using Fridericia's formula (QTcF) ≤450 msec for males and ≤470 msec for females at screening.
  1. Willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures as specified in the protocol.

Exclusion criteria

Exclusion Criteria:

    1. CHB patients with extensive bridging fibrosis or cirrhosis (METAVIR ≥3 or Ishak ≥4 by a liver within 5 years, FibroTest score >0.48 and APRI >1, or a historic FibroScan >9 kPa within 6 months prior to screening).

      1. Subjects met any of the following laboratory parameters at screening:
      2. \<12 g/dL (for males) or \<11 g/dL (for females)
      3. white blood cell count \<2500 cells/mm3 Protocol CONFIDENTIAL Labcorp Drug Development Study: 000000244098 Protocol Reference: CB06-036-102 Protocol Version 1.0, 24 January 2023 Page 8 of 68
      4. \<1500 cells/mm3 (or \<1000 cells/mm3 if considered a physiological variant in a subject of African descent)
      5. >2 ×
      6. >ULN unless the subject is stable on an anticoagulant regimen affecting INR
      7. albumin \<3.5 g/dL
      8. direct >1.5 × ULN
      9. Count \<100,000/μL
      10. estimated (CrCl) \<60 mL/min (using the Cockcroft-Gault method).

        3.Active systemic infections (other than common cold) within 2 weeks before randomization.

        4.At screening, known history of lymphoma, leukemia, or within the past 5 years, except for squamous epithelial carcinomas of the skin that have been resected with no evidence of disease for 3 years.

        5.History or suspicion of hepatocellular carcinoma (ie, elevated alpha fetoprotein (AFP) >50 ng/mL; suggestive lesions on abdominal ultrasound or other imaging).

        6.History or presence of a medical condition associated with liver disease other than infection (eg, hemochromatosis, hepatitis, alcoholic liver disease, toxin exposure, thalassemia, moderate to severe nonalcoholic steatohepatitis). Other known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones).

        7.History of transaminase (ALT and/or AST) flare in the previous 6 months prior to study enrollment.

        8.Personal or familial history or symptomatology indicative of a risk of immune mediated disease (eg, inflammatory bowel disease, idiopathic thrombocytopenic purpura, lupus erythematosus, autoimmune hemolytic anemia, scleroderma, severe psoriasis, rheumatoid arthritis, autoimmune uveitis, multiple sclerosis).

        9.Received a solid organ or bone marrow transplant. 10.Received prolonged systemic therapy with immunomodulators (eg, ) or biologics (eg, monoclonal antibody, interferon) within 3 months of screening.

        11.Blood donation of approximately 500 mL within 56 days prior to first administration of study drug, plasma from 2 weeks prior to screening, or platelets from 6 weeks prior to screening.

        12.Have a known history of asthma. Note: Subjects with resolved childhood asthma with no history of hospitalization due to asthma are allowed.

        13.Current use of strong and moderate inhibitors or inducers; please see Appendix 6 for a list.

        14.Are currently enrolled in, or discontinued from, a clinical trial involving an product or non-approved drug within the last 4 weeks or at least 5 half-lives of the last dosing, if the half-life of the investigational product or non-approved drug is greater than 5 days; or concurrently enrolled in any other types of medical research judged not to be scientifically or medically compatible with this study.

        15. during the course of the study, or have participated in a vaccine clinical trial within 12 weeks prior to randomization. Investigators should review the vaccination status of the subjects and follow the local guidelines for adult vaccination with non-live vaccines intended to prevent infectious disease prior to administration of study drug.

        16.Co-infection with (HIV), virus (HCV) or hepatitis D virus (HDV).

        • Subjects who are HCV Ab positive, but have a documented negative HCV RNA, are eligible.

        17.Abnormal clinical laboratory values at screening that, in the opinion of the investigator, pose an unacceptable risk to the subject or of interfering with the interpretation of study results if participating in the study.

        18.Pregnant or nursing (lactating) women, where pregnancy is defined as the state of a female after conception and until the termination of gestation, confirmed by a positive human chorionic gonadotropin laboratory test at screening or at Days -7 to -4.

        19.Have any other condition that precludes the subject from following and completing the protocol in the opinion of the investigator.

        20.Significant history or clinical manifestation of any metabolic, allergic, dermatologic, hepatic, renal, hematologic, pulmonary, cardiovascular, gastrointestinal, neurological, respiratory, endocrine, retinal, or psychiatric disorder, as determined by the investigator (or designee).

        21.History of stomach or intestinal surgery or resection that would potentially alter absorption and/or excretion of orally administered drugs (uncomplicated appendectomy and hernia repair will be allowed).

        22.Use or intend to use any nonprescription medications or products including vitamins, minerals, and herbal supplements (ie, traditional Chinese medicine), protein powders or fish oils preparations within 7 days prior to screening, considered to potentially impact subject safety or the objectives of the study, as determined by the investigator (or designee).

        23.Alcohol consumption of >21 units per week for males and >14 units for females. One unit of alcohol equals 12 oz (360 mL) beer, 1½ oz (45 mL) liquor, or 5 oz (150 mL) wine.

        24.Ingestion of Seville orange or grapefruit-containing foods or beverages within 7 days prior to screening.

Terms in these criteria, in plain language(27)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Postmenopausal

Periods have stopped for good: usually no period for 12 months in a row without another medical reason, sometimes confirmed by a blood test (FSH).

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

ECG (electrocardiogram)

A recording of the heart’s electrical activity, taken with stickers on the chest, arms and legs. It takes a few minutes and does not hurt.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

QT and QTc

On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.

The study may name a correction formula and a limit in milliseconds, often around 450–480.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

Absolute neutrophil count (ANC)

The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.

It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

INR, PT and aPTT (clotting tests)

Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.

Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Creatinine clearance (CrCl)

How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

Corticosteroids (steroids)

Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.

Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.

CYP3A (CYP3A4) inhibitors and inducers

CYP3A is a group of enzymes, mainly CYP3A4, in the liver and gut that break down many medicines. Some medicines, supplements and foods (grapefruit, St John’s wort) slow them down or speed them up, which changes how much of a study drug stays in the body.

Studies list them so they can be avoided or switched; bring a list of everything you take, including supplements.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

Live vaccines

Vaccines made with a weakened form of the germ, such as measles–mumps–rubella (MMR), chickenpox and yellow fever. They can be risky when the immune system is weakened. Flu injections are not live; the nasal flu spray is.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Hepatitis C tests

Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.

After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Sequential assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
30 participants (actual)

Study arms

  • Experimental
    CB06-036 Cohort 1

    CB06-036 1.5 mg once weekly

    Drug: CB06-036

  • Placebo comparator
    Placebo Cohort 1

    Placebo 1.5 mg once weeky

    Drug: Placebo

  • Experimental
    CB06-036 Cohort 2

    CB06-036 3.0 mg once weekly

    Drug: CB06-036

  • Placebo comparator
    Placebo Cohort 2

    Placebo 3.0 mg once weekly

    Drug: Placebo

  • Experimental
    CB06-036 Cohort 3

    CB06-036 1.5 mg twice-a-week, for 4 weeks

    Drug: CB06-036

  • Placebo comparator
    Placebo Cohort 3

    Placebo 3.0 mg twice-a-week, for 4 weeks

    Drug: Placebo

Interventions

  • DrugCB06-036

    CB06-036 capsule

  • DrugPlacebo

    Placebo capsule

06

What researchers measure

Primary outcomes

  1. To evaluate the safety and tolerability of CB06-036 following multiple oral dose administration of CB06-036 in virally suppressed subjects with CHB.

    Number of participants with treatment-related adverse events as assessed by CTCAE V5.0 or higher

    Time frame: From the date the first subject signs an informed consent form to the date of the last subject's last assessment (scheduled or unscheduled).

Secondary outcomes

  1. Maximum Plasma Concentration (Cmax) of CB06-036 following multiple oral dose administration in virally suppressed subjects with CHB.

    Plasma will be collected at multiple timepoints from within 30 minutes pre-dose to 24 hours post-dose

    Time frame: From 30 minutes pre-dose to 24 hours post-dose

  2. Area Under the Plasma Concentration Versus Time Curve (AUC) of CB06-036

    Cohort1 \& Cohort2: Plasma will be collected on Day 1 and Day 22 at multiple timepoints from within 30 minutes pre-dose to 24 hours post-dose. Cohort 3: Plasma will be collected on Day 1 and Day 25 at multiple timepoints from within 30 minutes pre-dose to 24 hours post-dose.

    Time frame: From 30 minutes pre-dose to 24 hours post-dose

  3. The following inflammatory cytokines and chemokines will be analyzed in serum: CCL11 (Eotaxin-1), CCL2 (MCP1), CCL20 (MIP3α), CCL4 (MIP1ß), CCL8 (MCP2), CRP, CXCL10 (IP10), CXCL8 (IL-8), CXCL9 (MIG), IFN-γ, IL-12p40, IL-12p70, IL-1RA, SAA, TNF-α

    Cohort1 \& Cohort2: Blood samples will be collected on Day 1 and Day 22 at pre-dose and 2, 4, 8, 12, 48, and 72 hours post-dose. Cohort3: Blood samples for the PD of CB06-036 will be collected on Day 1 and Day 25 at pre-dose and 2, 4, 8, 12, and 48 hours post-dose. Also, the samples will be collected at Day 4 at pre-dose and 4 hours (peak) post-dose.

    Time frame: From pre-dose to 72 hours post-dose of the last dose of study drug

07

Study locations

2 sites
  • First Hospital of Jilin University
    Changchun, Jilin 130000, China
  • PCRN Trials Limited, trading as PCRN Auckland, Level 2, 2 Fred Thomas Drive, Takapuna, Auckland, 0622, New Zealand (hereinafter referred to as "Institution")
    Auckland, 0622, New Zealand
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 21, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05828745
Lead sponsor
Shanghai Zhimeng Biopharma, Inc.
Responsible party
Sponsor
First posted
Apr 25, 2023
Start date
Apr 22, 2024
Primary completion
Feb 18, 2025
Completion
Feb 18, 2025
Last update
May 21, 2025

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Aug 2024. You cannot join it, but the record below documents what was studied.

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