General information
  • Disease category Infections and Infestations (BASEC)
  • Study Phase Phase 2 (ICTRP)
  • Recruitment status recruitment not started yet (BASEC/ICTRP)
  • Trial sites
    Lugano
    (BASEC)
  • Contact Rossella Forlenza rossella.forlenza@hin.ch (BASEC)
  • Data Source(s) BASEC: Import from 02.01.2026 ICTRP: Import from 13.09.2025
  • Last update 02.01.2026 12:01
HumRes66613 | SNCTP000006341 | BASEC2024-01986 | NCT06887036

Methylene Blue in Patients with Chronic Hepatitis B Infection

  • Disease category Infections and Infestations (BASEC)
  • Study Phase Phase 2 (ICTRP)
  • Recruitment status recruitment not started yet (BASEC/ICTRP)
  • Trial sites
    Lugano
    (BASEC)
  • Contact Rossella Forlenza rossella.forlenza@hin.ch (BASEC)
  • Data Source(s) BASEC: Import from 02.01.2026 ICTRP: Import from 13.09.2025
  • Last update 02.01.2026 12:01

Summary description of the study

Study to evaluate the antiviral efficacy of Methylene Blue in patients affected by hepatitis B virus infection.

(BASEC)

Intervention under investigation

Demographic data

Medical history

Physical examination

Weight and height

Blood pressure, heart rate, body temperature

Blood samples for hematology, chemistry, and virology

Urine pregnancy test

(BASEC)

Disease under investigation

Hepatitis B Virus Infection

(BASEC)

Criteria for participation in trial
Participation is open to individuals aged between 18 and 80 years, with chronic hepatitis B virus infection. (BASEC)

Exclusion criteria
Individuals with G-6-phosphatase deficiency (also commonly known as favism) and/or those who are being treated with a serotonergic drug are excluded from participation. (BASEC)

Trial sites

Lugano

(BASEC)

Switzerland (ICTRP)

Sponsor

Fondazione Epatocentro Ticino

(BASEC)

Contact

Contact Person Switzerland

Rossella Forlenza

+41 91 910 6570

rossella.forlenza@hin.ch

Fondazione Epatocentro Ticino

(BASEC)

General Information

0041 91 910 65700041 91 910 6570

andreas.cerny@hin.chandreas.cerny@hin.ch

(ICTRP)

Name of the authorising ethics committee (for multicentre studies, only the lead committee)

Ethics Committee Ticino

(BASEC)

Date of authorisation

23.12.2024

(BASEC)


ICTRP Trial ID
NCT06887036 (ICTRP)

Official title (approved by ethics committee)
Methylene Blue treatment of chronic Hepatitis B Virus infection: a pilot study (BASEC)

Academic title
Methylene Blue Treatment of Chronic Hepatitis B Virus Infection: a Pilot Study (ICTRP)

Public title
Methylene Blue Treatment of Chronic Hepatitis B Virus Infection (ICTRP)

Disease under investigation
Chronic HBV Infection (ICTRP)

Intervention under investigation
Drug: Methylene Blue (ICTRP)

Type of trial
Interventional (ICTRP)

Trial design
Allocation: N/A. Intervention model: Single Group Assignment. Primary purpose: Treatment. Masking: None (Open Label). (ICTRP)

Inclusion/Exclusion criteria
Inclusion Criteria:

- Signed informed consent

- Age = 18 and < 80 years

- Microbiologically confirmed chronic Hepatitis B Virus infection (according to the
old terminology "inactive HBV carrier")

- HBsAg levels within 20-15'000 IU/ml measured at the at least twice at 6-18 months
apart

- HBV DNA PCR levels within 1'000-20'000 IU/ml measured at least twice at 6-18 months
apart

- Negative pregnancy test in women of child-bearing age

Exclusion Criteria:

- Documented refusal to participate in the study

- Known G-6-Phophatase deficiency

- Treatment with a serotoninergic drug

- Ongoing treatment with a nucleos(-t)ide treatment

- Clinically relevant concomitant liver disease

- GPT > 2xULN

- Fibroscan of > 8.0 KPa obtained = 12 months before Visit 0/Screening

- HBeAg positivity

- Anti HDV antibody positivity

- Breastfeeding women (ICTRP)

not available

Primary and secondary end points
Reduction >1 log10 in the starting HBsAg level and > 2 log10 in the starting HBV DNA PCR level (ICTRP)

Adverse Events;Treatment adherence (ICTRP)

Registration date
not available

Incorporation of the first participant
not available

Secondary sponsors
not available

Additional contacts
Andreas CernyAndreas Cerny, andreas.cerny@hin.chandreas.cerny@hin.ch, 0041 91 910 65700041 91 910 6570 (ICTRP)

Secondary trial IDs
Methylene Blue in chronic HBV (ICTRP)

Results-Individual Participant Data (IPD)
not available

Further information on the trial
https://clinicaltrials.gov/study/NCT06887036 (ICTRP)

Results of the trial

Results summary

not available

Link to the results in the primary register

not available