Patients with renal impairment (serum creatinine more than twice the upper limit of normal).
Patients with heart failure.
Patients with sepsis or active infection.
Patients with diabetes mellitus (either primary or secondary to thalassemia).
regular consumption of medication with potential hepatotoxicity.
regular herbal medicine or antioxidant supplementation.
patients with gastrointestinal conditions preventing adsorption of oral medication.

NCT02984475_exc_T1
Condition
renal impairment
NCT02984475_exc_T2
Measurement
serum creatinine
NCT02984475_exc_T3
Value
more than twice the upper limit of normal
NCT02984475_exc_T4
Condition
heart failure
NCT02984475_exc_T5
Condition
sepsis
NCT02984475_exc_T6
Condition
active infection
NCT02984475_exc_T7
Condition
diabetes mellitus
NCT02984475_exc_T8
Qualifier
primary
NCT02984475_exc_T9
Qualifier
secondary to thalassemia
NCT02984475_exc_T10
Scope
primary or secondary to thalassemia
NCT02984475_exc_T11
Condition
hepatotoxicity
NCT02984475_exc_T12
Drug
medication
NCT02984475_exc_T13
Drug
antioxidant supplementation
NCT02984475_exc_T14
Procedure
herbal medicine