The Efficacy of Silymarin on the Prevention of Hepatotoxicity From Antituberculosis Drugs

M

Mahidol University

Status

Completed

Conditions

Tuberculosis

Treatments

Drug: Placebo
Drug: silymarin

Study type

Interventional

Funder types

Other

Identifiers

NCT01800487
Ramathibodi_silymarin

Details and patient eligibility

About

Hepatitis is one of the most common adverse effect from anti-tuberculosis. Silymarin showed its efficacy to decreased serum alanine transaminase enzyme in animal models from recent study. No confirmed this efficacy was performed in human. A prospective, double-blind, placebo-controlled trial was carried out according to Good Clinical Practice Guideline. This study is to define the efficacy of silymarin to prevent hepatotoxicity from anti-tuberculosis drugs. Informed consent is obtained prior to the study. New patients diagnosed with tuberculosis are enrolled. Patients with liver diseases, current alcohol drinking more than 20 g/day, regular use of herbal or other potential hepatotoxic drugs are excluded. Patients are treated with a standard regimen of four anti-tuberculosis therapy. They will randomize to receive either placebo or silymarin (140 mg) thrice daily. Liver function test (LFT) and clinical changes are assessed at 2- and 4-week after initiation of the treatment. DILI from anti-tuberculosis drugs ('atb-DILI') is defined as: i) a rise of alanine aminotransferase (ALT) to 2 times above normal upper limit, or ii) an elevation of total bilirubin more than 2 mg/dl with or without ALT elevation. The study endpoints are the level of ALT by week 4 and the number of patients who developed atb-DILI. Statistical analysis is used to compare the differences in ALT and number of atb-DILI

Full description

- Prevention of antituberculosis-related drug induced liver injury with silymarin is investigated.

Enrollment

80 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • tuberculosis cases
  • treated with isoniazid, rifampicin, ethambutol and pyrazinamide

Exclusion criteria

  • no known liver disease (HBV, HCV), and HIV infection
  • normal ALT level before enrollment
  • refuse to participate

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

80 participants in 2 patient groups, including a placebo group

silymarin
Active Comparator group
Description:
Silymarin 140 mg three times a day for 4 weeks
Treatment:
Drug: silymarin
placebo
Placebo Comparator group
Description:
Placeo 1 tab three times a day for 4 weeks
Treatment:
Drug: Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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