Skip to main content
. 2019 Mar;23(3):293–316. doi: 10.5588/ijtld.18.0324

Table A.3.

(continued)

Author, year Country Study design Follow-up time Drugs and dosage Selection criteria Sample size n Toxicity outcomes
An, 2012 China App 6 months Daily treatment with INH, RMP, PZA and EMB for 2 months, followed by 4 months treatment with INH and RMP, with drug dosages calculated according to body weight Body weight < 45 kg: RMP 300 mg, INH 200 mg, PZA 1000 mg Body weight of 45–55 kg: RMP 450 mg, INH 300 mg, PZA 1500 mg Body weight > 55 kg: RMP 600 mg, INH 400 mg, PZA 2000 mg Inclusion criteria:
  • Normal serum ALT, AST and bilirubin levels, no symptoms related to abnormal liver function (i.e., jaundice) before anti-tuberculosis drug treatment and close monitoring of changes in liver functions within 6 months of treatment

  • Patients with and without hepatotoxicity during treatment

Exclusion criteria:
  • Malnutrition

  • HIV type 1 infection

  • Alcoholic liver disease or habitual drinking

  • Hepatitis B or C infection, liver disease, systemic diseases and/or treatment with drugs other than the anti-tuberculosis drugs that can induce hepatotoxicity

  • Severe TB or cardiac dysfunction that may cause liver dysfunction

  • Transient increases in ALT

208 Hepatotoxocity
Azuma, 2013 Japan RCT 6 months All patients were treated with a 6-month regimen comprising INH, RMP, PZA and EMB/SM for the first 2 months, followed by RMP and INH for 4 months. All patients were started on the standard oral dose (~5 mg/kg body weight, once-daily). For pharmacogenetics-treatment patients, dosages were adjusted based on individual NAT2 status within 3 days. Modified daily INH doses were respectively ~7.5, ~5 and ~2.5 mg/kg for rapid, intermediate and slow acetylators. Regarding the other drugs for the standard regimen, standard daily doses of RMP (10 mg/kg, maximum 600 mg/body), PZA (25 mg/kg, 1500 mg/body), EMB (15 mg/kg, 750 mg/body; 20 mg/kg, 1000 mg/body) and SM (15 mg/kg, 750 mg/body) were recommended with the following dose ranges allowed at the discretion of the physician in charge: RMP 8–12 mg/kg; PZA 20–30 mg/kg; EMB 15–20 mg/kg; SM 12–18 mg/kg The eligible population was identified from a series of patients newly diagnosed with PTB (male and female aged 20–75 years), requiring the 6-month 4-drug standard treatment for the first time Exclusion criteria: abnormal test results for liver and kidney function (serum AST > 45 IU/l, ALT > 50 IU/l, ALP > 444 IU/l, total bilirubin > 1.6 mg/dl and creatinine > 1.4 mg/dl before the study treatments commenced, long-term use of steroids and/or immunosuppressants, inadequate clinical conditions such as hyperglycaemia, diabetes mellitus, acute life-threatening chronic progressive disease, pregnancy or lactation and alcoholism. Patients not expected to complete the study protocol for social reasons were not recruited 172
  • INH-DILI

  • Peripheral neuropathy

Bose, 2011 India Prospective cohort Patients were followed up to 8 weeks after they had started with anti-tuberculosis treatment All patients received anti-tuberculosis treatment (RMP, INH, EMB and PZA) according to body weight. All four drugs were given for 2 months. PZA and EMB were discontinued, while INH and RMP were continued for another 4 months RMP doses as follows:
  • ⩽35 kg: 300 mg/day

  • 36–50 kg: 450 mg/day

  • >50 kg: 600 mg/day

INH doses as follows:
  • ⩽35 kg: 200 mg/day

  • >35 kg: 400 mg/day

PZA doses as follows:
  • ⩽50 kg: 1.0 g/day

  • >50 kg: 1.5 g/day

EMB 20 mg/kg/day
Newly diagnosed patients of PTB. The baseline LFT of the patients was normal when they were started on anti-tuberculosis treatment Exclusion criteria: no history of habitual alcoholism, chronic liver diseases or steatosis 218
  • ADIH

  • ADIH outcome

Çetintaş, 2008 Turkey Prospective cohort NR Patients received INH 5 mg/kg (maximum 300 mg/day), RMP 10 mg/kg (maximum 600 mg/day), PZA 25 mg/kg (maximum 2000 mg/day), EMB 15–25 mg/kg (maximum 1500 mg/day) Patients diagnosed with TB. Only patients with serum levels before initiation of treatment within the following ranges were included in the study: ALT 0–40 U/l, AST 5–45 U/l and total bilirubin 0.2–1.6 mg/dl Exclusion criteria: patients with positive serum hepatitis B surface antigen, hepatitis C antibody or hepatitis A immunoglobulin M antibody, and patients with alcoholic liver disease or any hepatic or systemic disease that could cause liver function disorder 100 DIH
Chamorro, 2013 Argentina Prospective cohort NR The patients began a standard anti-tuberculosis treatment protocol for the first 2 months (INH 5 mg/kg/days, maximum 300 mg/day, RMP 10 mg/kg/day maximum 600 mg/day, PZA 20 mg/kg/day, EMB 20 mg/kg/day), followed by INH and RMP for ⩾4 months, depending on the disease severity or the presence ofextra-pulmonary foci Inclusion criteria: TB patients aged >18 years with stable haemodynamic levels, normal renal function and negative for pregnancy Exclusion criteria: presence of diseases that directly affected the liver (acute hepatitis A, active hepatitis B and C; cirrhosis; encephalopathy and cancer), INH allergy, HIV, autoimmunity, concomitant hepatotoxic medications, a history of TB treatment failures, refusal of blood extraction and refusal to sign the written informed consent 175 ATDH
Chang, 2012 Taiwan Prospective cohort NR First-line anti-tuberculosis medications Patients diagnosed with TB and treated with first-line anti-tuberculosis medications Exclusion criteria: pregnancy, abnormal liver function and history of positive viral hepatitis before starting treatment with first-line anti-tuberculosis drugs 98 ATDH
Cho, 2007 Korea Prospective cohort Serum AST, ALT and total bilirubin levels were then monitored monthly until the end of treatment All patients received oral INH (300 mg), RMP (600 mg), PZA (20 mg/kg body weight) and EMB (800 mg) daily for the first 2 months. PZA was then discontinued, while INH, RMP and EMB were continued for another 4 months Adult patients newly diagnosed with active TB, with evident lesion of TB using simple X-ray or computed tomography or positive results on sputum smear or culture for detection of mycobacteria Exclusion criteria: 1) abnormal serum ALT, AST, or bilirubin levels or symptoms related to abnormal liver function such as jaundice before anti-tuberculosis treatment; 2) alcoholic liver disease or habitual alcohol drinking; 3) any other hepatic or systemic diseases that may cause liver dysfunction 132 ATDH
Costa, 2012 Brazil Prospective cohort NR All patients were treated with the first-line anti-tuberculosis drug regimen INH (300 mg/kg/day), RMP (300 mg/kg/day) and PZA (1500 mg/kg/day) for the first 2 months, followed by INH and RMP for a further 4 months Male or female subjects aged ⩾18 years, with no previously described renal, allergic or hepatic diseases and not pregnant 129 ADRs
Dhoro, 2013 Zimbabwe Case-control NR NR TB patients Not clear—189 received INH Peripheral neuropathy
Feng, 2014 China Case-control 6 months Treatment with anti-tuberculosis drug regimens at the usual dosage—300 mg/day INH, 450 mg/day RMP and 1500 mg/day PZA Selection of cases: cases selected based on liver functions, i.e., all indices of liver function were normal before anti-tuberculosis chemotherapy, and became abnormal indicating hepatic injury after 6 months of chemotherapy. Cases were patients who showed ATDH based on increased serum transaminase values that were three-fold higher than the ULN (40 IU/l ALT) and symptoms compatible with hepatitis Selection of controls: controls underwent the same anti-tuberculosis chemotherapy with selected cases and were not tested for abnormality in liver functions after 6 months of the chemotherapy. The controls selected matched the criteria compared to the cases: 1) sex; 2) age discrepancy of <5 years; 3) living in the same regions; and 4) treatment with anti-tuberculosis drug regimens at the usual dosage, including 300 mg/day INH, 450 mg/day RMP and 1500 mg/day PZA 346 ATDH
Fredj, 2016 Tunisia Prospective cohort Serum AST, ALT and ALP were monitored monthly until the end of the treatment The anti-tuberculosis treatment was based on the association of INH (5 mg/kg/day), RMP (10 mg/kg/day), PZA (25 mg/kg/day) and EMB (15 mg/kg/day) for the first 2 months, followed by INH and RMP for 4–7 additional months, depending on TB clinical presentation Patients diagnosed with PTB and EPTB 71 INH-induced-hepatotoxicity
Gupta, 2013 (GI: GUPTA) India Prospective cohort The patients were monitored for ALT, AST, andtotal bilirubin levels weekly for 1 month and then monthly until the completion of treatment Initially patients received a combination regimen including INH 5 mg/kg (max 300 mg daily), RMP 10 mg/kg (max 600 mg daily), PZA 25 mg/kg (max 1500 mg daily) and EMB 15–25 mg/kg (max 2000 mg daily) for a period of 2 months, followed by an additional 4 months with INH and RMP Inclusion criteria: 1) age > 18 years; 2) smear and/or culture positive for mycobacteria in clinical samples; and 3) normal ALT, AST and total bilirubin levels Exclusion criteria: 1) patients presenting clinically and laboratory-confirmed chronic liver disease such as jaundice; 2) acute and chronic hepatitis B and/or C or HIV; 3) alcoholic liver diseases; 4) a rise of two times the ULN of ALT, AST and total bilirubin levels; 5) medication with anti-tuberculosis drugs before start of treatment and/or other potentially hepatotoxic drugs; and 6) refusal to provide blood sample or signed informed consent form 215 ATDH
Higuchi, 2007 (GI: HIGUCHI) Japan Prospective cohort NR Treated with a INH (400 mg/d) and RMP (450 mg/d) containing regimen for 6 or 9 months Patients with new onset of PTB treated with a INH (400 mg/d) and RMP (450 mg/d) containing regimen for 6 or 9 months Exclusion criteria: patients with liver cirrhosis, chronic and acute hepatitis, alcoholic liver disease and other chronic liver diseases 100
  • ATDH

  • Skin rash

  • Eosinophilia

Ho, 2013 Taiwan Prospective cohort 180 days All patients received oral INH 300 mg, RMP 600 mg (or 450 mg if body weight was <50 kg), PZA 25 mg/kg of body weight (max daily dose 2000 mg) and EMB 15 mg/kg of body weight daily (max daily dose 1600 mg) for the first 2 months. PZA was then discontinued, whereas INH, RMP and EMB were continued for another 4 months The inclusion criteria included a sputum smear with AFB or culture positive for M. tuberculosis, undergoing anti-tuberculosis treatment, including INH or starting treatment during the recruitment period, hepatitis serology recorded in the medical chart with signed written consent Patients were excluded if they were infected with hepatitis B virus, hepatitis C virus or HIV, had any other hepatic disease, or did not have at least two visits documented in the medical records 348 ATDH
Huang, 2003 (GI: HUANG) Taiwan Prospective cohort Serum ALT, AST and total bilirubin levels were monitored monthly until the end of treatment or checked whenever patients had symptoms of suspected hepatitis Their standard daily anti-tuberculosis regimen for the first 2 months included INH (300 mg), RMP (600 mg or 450 mg if body weight <50 kg), PZA (20 mg/kg body weight) and EMB (25 mg/kg body weight). PZA was then discontinued, whereas INH, RMP, and EMB (15 mg/kg body weight) were continued for another 4 months Patients with incident PTB or EPTB Exclusion criteria: 1) abnormal serum ALT, AST or bilirubin before anti-tuberculosis treatment; and 2) refusal of blood sampling or informed written consent 318 ADIH
Jung, 2015 Korea Prospective cohort 4 weeks Standard 4-drug treatment for 6 months: INH (5 mg/kg, usually 300 mg), RMP (450 mg for <50 kg or 600 mg for ⩾50 kg of body weight), EMB (15 mg/kg) and PZA (20–30 mg/kg), daily for 2 months, followed by INH and RMP with or without EMB for 4 months. Doses were adjusted when applying model-based treatment Eligible participants were patients newly diagnosed with active TB, who underwent standard 4-drug treatment for 6 months Exclusion criteria: patients with abnormal hepatic function on laboratory testing (increased serum AST, ALT or total bilirubin) before anti-tuberculosis treatment and underlying liver disease or systemic illness such as congestive heart failure, acute life-threatening disease, or alcoholism or disease that was resistant to INH at the start of treatment 206 ATDH
Khalili, 2011 Iran Case-control 2 months Treated daily with INH (300 mg), RMP (600 mg), PZA (20 mg/kg), EMB (15 mg/kg) for the first 2 months, followed by INH and RMP daily for 4 additional months Inclusion criteria: newly diagnosed patients (>18 years) with active PTB, who had been planned to be treated daily with anti-tuberculosis treatment (see drugs and dosage) Exclusion criteria: other possibilities of hepatitis, including patients with HIV infection, hepatic insufficiency (ALT or AST > 2× ULN) or clinically signs and symptoms of liver diseases such as jaundice and ascites, chronic hepatitis (B or C) and renal insufficiency (creatinine clearance < 50 ml/min based on Cockcroft-Gault equation) and history or current use of herbal, supplemental and hepatotoxic non-tuberculosis drugs 100 Hepatotoxicity
Kim, 2009 (GI: KIM) Korea Case-control Assessments performed 2 weeks after onset of treatment and bi-monthly thereafter All patients with PTB were treated daily with a combination regimen comprising INH (300–400 mg daily), RMP (450–600 mg daily), EMB (600–800 mg daily) and PZA (1000–1500 mg daily) for 2 months and then without PZA for ⩾4 following months. Doses of each drug were adjusted based on body weight of the patient Newly diagnosed and treated patients with PTB. Exclusion criteria: patients with active or chronic hepatitis, including alcoholic hepatitis, fatty liver disease, liver cirrhosis, carriers of the hepatitis B or C virus, heavy alcohol intake, decreased renal function and severe cardiac diseases requiring several medications 226 ATDH
Kim, 2011 (GI: KIM) Korea Case-control NR The treatment comprised an initial phase of 2 months and a subsequent continuation phase of ⩾4 months. During the initial phase, 4 drugs were administered, including INH (300–400 mg daily), RMP (450–600 mg daily), EMB (600–800 mg daily) and PZA (1000–1500 mg daily). Doses of each drug were adjusted based on the body weight of the patient. In the following continuation phase, only PZA was discontinued, while the other three drugs were continued Patients newly diagnosed with PTB and/or TB pleuritis and treated with first-line anti-tuberculosis medications such as INH, RMP, EMB and PZA Exclusion criteria: 1) patients with skin diseases before treatment, 2) chronic renal failure and chronic liver diseases affecting drug metabolism, 3) chronic alcoholism, 4) other chronic medical conditions requiring medication, and 5) non-adherence to treatment 221 ATD-induced MPE
Lee, 2010 Taiwan Prospective cohort NR All patients received oral INH 300 mg, RMP 600 mg (or 450 mg, if body weight was <50 kg), PZA 200 mg/kg of body weight and EMB 800 mg daily for the first 2 months. PZA was then discontinued, while INH, RMP and EMB were continued for another 4 months Inclusion criteria: adult patients newly diagnosed with active TB, having evident lesions of TB using simple X-ray, computed tomography, sputum smears and cultures positive for mycobacteria Exclusion criteria: 1) positive serum hepatitis B virus surface antigen, antibody to hepatitis C virus; 2) alcoholic liver disease or habitual alcohol drinking; 3) any other hepatic or systemic diseases that may cause liver dysfunction; 4) abnormal serum ALT, AST or bilirubin levels before anti-tuberculosis treatment 140 ATDH
Leiro-Fernandez, 2011 Spain Case-control Routine follow-up of clinical assessments every 2 weeks during the first month and monthly thereafter untilcompletion of treatment Treatment with regimens that included INH, RMP and PZA at the usual dosages (INH 5 mg/kg/day to maximum 300 mg/day, RMP10 mg/kg/day to maximum 600 mg/day and PZA 25–30 mg/kg/day to maximum 2500 mg/day Inclusion criteria: 1) age 15–75 years; 2) microbiological demonstration of active TB; 3) treatment with regimens that included INH, RMP and PZA at the usual dosages (INH 5 mg/kg/day to max 300 mg/day, RMP 10 mg/kg/day to max 600 mg/day and PZA 25–30 mg/kg/day to max 2500 mg/day); and 4) adequate treatment adherence Exclusion criteria: 1) increased baseline serum transaminases (AST and/or ALT; normal values ⩽ 40 IU/l); 2) positive serological testing for HIV, hepatitis B virus or hepatitis C virus; 3) regular alcohol intake or concomitant use of hepatotoxic drugs; 4) history of chronic liver disease; 5) pregnancy; or 6) no or poor adherence to treatment 117 ATDH
Lv, 2012 China Case-control 6–9 months All primary/retreatment patients took INH (600 mg), RMP (600 mg or 450 mg if body weight was <50 kg), PZA (2000 mg) and EMB (1250 mg) every other day in the first 2 months and then INH and RMP were continued for another 4/6 months. The retreatment patients received SM (750 mg) every other day in the first 2 months and continued receiving EMB for another 6 months Inclusion criteria: sputum smear-positive PTB patients who received standard short-course chemotherapy recommended by the WHO Exclusion criteria: 1) positive serum hepatitis B virus surface antigen or other liver disease, 2) potentially hepatotoxic medications that would confound the picture, 3) abnormal serum ALT, AST or total bilirubin levels before anti-tuberculosis treatment 445 ATDH
Mahmoud, 2012 Tunisia Prospective cohort 3 months Treated with INH and RMP containing regimen Inclusion criteria: adult patients (>18 years) newly diagnosed with TB treated with INH- and RMP-containing regimen, LFTs before initiation of treatment showed completely normal findings on serum ALT, AST, total bilirubin, ALP and gGTP Exclusion criteria: 1) patients receiving other potentially hepatotoxic drugs in addition to anti-tuberculosis agents; 2) positive serum hepatitis B surface antigen or hepatitis C antibody; 3) alcoholic liver disease; 4) any other hepatic or systemic diseases that may cause liver dysfunction 66 INH hepatotoxicity
Ng, 2014 Cases recruited in the UK; controls were samples from elsewhere Case-control NR All had been prescribed INH with all but one also taking additional anti-tuberculosis drugs. Patients were prescribed 300 mg INH/day in line with UK/WHO guidelines Cases: patients diagnosed with DILI either in the past or at the time of sample collection. Onlycases assessed as having DILI that was highly probably, probably or possibly relating to anti-tuberculosis drug exposure were enrolled in the study. Other possible causes of liver toxicity, particularly hepatitis A, B, C and CMV infection were excluded. No patients included were HIV-positive or had pre-existing liver disease. None had been treated for TB under directly observed treatment Controls: 52 DNA samples from individuals of European ancestry; inclusion/exclusion criteria not reported 127 DILI
Ohno, 2000 Japan Prospective cohort 3 months Initial chemotherapy always included INH (400 mg/day; 8.2 ± 2.0 mg/kg/day) and RMP (450 mg/day; 9.2 ± 2.2 mg/kg/day); the third drug used was EMB or SM. Inclusion criteria: patients had no history of alcohol abuse and were negative for hepatitis B surface antigen and hepatitis C antibody. At the beginning of treatment, LFTs showed completely normal findings on serum AST, ALT, bilirubin, ALP and gGTP Patients receiving other potentially hepatopathic drugs in addition to anti-tuberculosis agents were excluded from the study 77 INH + RMP-induced hepatotoxicity
Possuelo, 2008 (GI: POSSUELO) Brazil Prospective cohort NR Treatment daily with INH, RMP and PZA for the first 2 months followed by INH and RMP daily for 4 additional months. Drug dosages used were calculated according to patient's weight (weight <45 kg: RMP 300 mg, INH 200 mg, PZA 1000 mg; 45–55 kg: RMP 450 mg, INH 300 mg, PZA 1500 mg; >55 kg: RMP 600 mg, INH 400 mg, PZA 2000 mg) Inclusion criteria: adult patients (>18 years) newly diagnosed with active TB, who had been treated daily with anti-tuberculosis treatment (see drugs and dosage) Exclusion criteria: patients presenting clinically and laboratory-confirmed liver chronic disease, patients using anti-tuberculosis drugs before enrolment in the study, patients presenting results of LFTs before the beginning of treatment higher that were 2× ULN and refusal to participate of the study 254 ATDH Gastrointestinal ADRs
Rana, 2014 (GI: RANA) India Prospective cohort Patients were monitored every month until the end of treatment or whenever the patients had symptoms or signs of hepatotoxicity Daily anti-tuberculosis treatment for the first 2 months included INH (300 mg), RMP (600 or 450 mg for body weight/50 kg), PZA (20 mg/kg body weight) and EMB (25 mg/kg body weight). After 2 months, EMB and PZA were discontinued, whereas INH and RMP were continued for an additional 4 months Inclusion criteria: patients with pulmonary and EPTB Exclusion criteria: patients with history of alcohol abuse and/or any other liver disease; patients who had received other potentially hepatotoxic drugs in addition to anti-tuberculosis drugs; patients who had abnormal serum ALT, AST or bilirubin before starting anti-tuberculosis treatment; patientswho developed viral hepatitis during anti-tuberculosis treatment; patients with renal failure or cancer; and patients who refused blood sampling or providing informed written consent 300 Hepatotoxicity
Santos, 2013 (GI: SANTOS) Brazil Prospective cohort NR Treatment with INH, RMP and PZA for the first 2 months, followed by INH and RMP daily for 4 months Inclusion criteria: patients diagnosed with TB and treated with anti-tuberculosis treatment (see drugs and dosage) Exclusion criteria: patients aged <18 years, those with mental disabilities, chronic liver disease confirmed by clinical and laboratory data, users of anti-tuberculosis drugs before enrolment in the study, and those with liver function results > 2× ULN before beginning treatment 270 ATDH
Shimizu, 2006 Japan Prospective cohort 3 months Treatment with INH (300–400 mg) and RMP (300–450 mg) Individuals with PTB without abnormal serum levels of ALT, AST, direct or total bilirubin, or serum hepatitis B virus surface antigen or antibody to hepatitis C virus at the beginning of the study 42 Hepatotoxicity
Singla, 2014 India Prospective cohort NR NR Inclusion criteria: newly diagnosed patients with TB Exclusion criteria: history of heavy use of alcohol or chronic liver diseases or liver cirrhosis;patients who were settled in the area for a minimum of three generations; people infected with HIV 408 ATDH
Sotsuka, 2011 Japan Prospective cohort 3 months INH, RMP and PZA, plus EMB or SM during the first 2 months, followed by administration of INH and RMP plus EMB or SM during the final 4 months Inclusion criteria: in-patients with active PTB who were treated with the standard Japanese chemotherapy regimen, followed up for >3 months after treatment, and who consented to this study 144 Hepatotoxicity
Teixeira, 2011 Brazil Case-control NR Anti-tuberculosis drug regimens that include INH at the usual dosage (400 mg/day) Inclusion criteria: 1) age > 18 years, 2) diagnosis of active TB, 3) treatment with anti-tuberculosis drug regimens that include INH at the usual dosage (400 mg/day) and 4) normal baseline serum transaminases (ALT and AST) before treatment Exclusion criteria: 1) positive serological test for the HIV, hepatitis B virus or hepatitis C virus, 2) alcohol abuse, 3) history of chronic liver disease and 4) pregnancy 167 Hepatitis
Vuilleumier, 2006 Switzerland Prospective cohort NR INH 300 mg daily and vitamin B6 40 mg per day for a period of 6 months Inclusion criteria: patients having LTBI as defined by the American Thoracic Society with normal plasma AST and ALT levels before the beginning of INH monotherapy Exclusion criteria: 1) a history of alcohol consumption, 2) positive serology for the HAV, HBV or HCV, 3) poor chemotherapy compliance (negative urine INH 3 times during the follow-up), loss during the follow-up, 4) patients had to receive supplementary anti-tuberculosis agents or other potentially hepatotoxic drugs 89 INH-induced hepatotoxicity
Wang, 2015 (GI: NTUH) Taiwan Prospective cohort 6 months Daily INH, RMP, EMB and PZA in the first 2 months, and daily INH and RMP for the next 4 months The daily dosage of each drug was calculated by weight Adult Taiwanese (>16 years) patients with culture-confirmed PTB Subjects were excluded if they were pregnant, had a life expectancy < 6 months, had abnormal baseline LFT or were resistant to INH, RMP or both 355 in the derivation cohort, 182 in the validation cohort Hepatotoxicity during anti-tuberculosis treatment
Xiang, 2014 China Prospective cohort 2 months All patients were prescribed INH (600 mg), RMP (600 mg or 450 mg if the body weight was <50 kg), PZA (2000 mg) and EMB (1250 mg) every other day in the first 2 months. After 2 months, INH and RMP were continued for a further 4–6 months. Retreatment patients in addition received SM (750 mg) every other day in the first 2 months and continued receiving EMB for another 6 months Inclusion criteria: newly diagnosed PTB patients belonging to the Uyghur ethnic group, who were receiving standard short-course chemotherapy recommended by the WHO, who attended for a 2-month assessment, and any patients attending clinic with suspected liver disease after the start of treatment, before the 2-month visit Exclusion criteria: patients who had signs of abnormal liver function when they started treatment (jaundice or elevated ALT, AST or bilirubin levels) or disease associated with liver dysfunction 2244 ATLI
Yamada, 2009 (GI: YAMADA) Canada Prospective cohort 9 months INH 300 mg Subjects who were receiving treatment with INH 300 mg daily self-administered for LTBI.Subjects were included if they were aged ⩾19 years; not concurrently receiving other anti-tuberculosis drugs; non-reactive to hepatitis B surface antigen and antibody to hepatitis C virus; absence of any liver or metabolic diseases; without a HIV-positive test result; not consuming ⩾7 alcoholic beverages per day and undergoing sufficiently frequentAST tests to detect hepatotoxicity 170 Hepatotoxicity
Yimer, 2011 Ethiopia Prospective cohort followed up for development of DILI for up to 56 weeks All study participants received RMP based short-course chemotherapy for TB following the national TB treatment guideline. ART was then initiated Newly diagnosed ART and anti-tuberculosis treatment-naïve adult TB and HIV co-infected patients. The eligibility criteria were age >18 years, CD4 count, 200 cells/Ul, not pregnant and not on other known hepatotoxic drugs concurrently (except cotrimoxazole, 960 mg per day, which was given to all participants before enrolment and during the follow-up period according to the treatment guideline) 353 Anti-tubercular and antiretroviral DILI
Yuliwulandari, 2016 Indonesia Case-control NR NR (anti-tuberculosis treatment) Patients included in the study were male and female aged 15–70 years, suffering from TB according to the WHO standards, and were under monitored treatment with anti-tuberculosis drugs Exclusion criteria: 1) history of liver disease such as: hepatitis A B or C; hepatoma; liver cirrhosis or cholelithiasis positive; 2) abnormal levels of any LFT (ALT, AST or total bilirubin) before anti-tuberculosis treatment 241 ATLI
Zaverucha-do-Valle, 2014 Brazil Retrospective cohort Follow-up at days 15 and 30 and at least one visit monthly until the end of treatment 600 mg/day of RMP, 400 mg/day of INH and 2 g/day of PZA for all patients with corporal weight >45 kg or adjusted for corporal weight <45 kg. After 2 months of treatment, PZA was discontinued Inclusion criteria: signed written consent, sputum smear with AFB or culture positive for M. tuberculosis; ongoing TB treatment and laboratory tests of liver function Exclusion criteria: age <18 years, pregnancy and no >1 visit registered 131 ATDH

INH =isoniazid; RMP =rifampicin; PZA =pyrazinamide; EMB =ethambutol; ALT =alanine aminotransferase; AST =aspartate aminotransferase; RCT =randomised controlled trial; HIV =human immunodeficiency virus; SM =streptomycin; PTB =pulmonary tuberculosis; IU =international unit; ALP =alkaline phosphatase; DILI =drug-induced liver injury; LFT =liver function test; DIH =drug-induced hepatotoxicity; NR =not reported; ATDH =anti-tuberculosis drug-induced hepatotoxicity; GI =group identifier; ADR =adverse drug reaction; ULN =upper limit of normal; EPTB =extra-pulmonary TB; ADIH =anti-tuberculosis drug-induced hepatitis; ATD =anti-tuberculosis drug; MPE =maculopapular eruption; WHO = World Health Organization; gGTP = gamma-glutamyltranspeptidase; CMV = cytomegalovirus ; LTBI = latent tuberculous infection; ART =antiretroviral therapy; ATLI = anti-tuberculosis drug-induced liver injury.