21st June 2024

A patient presents with haemoptysis and weight loss, having recently relocated to the United Kingdom

A patient presents with haemoptysis and weight loss, having recently relocated to the United Kingdom from Georgia. A diagnosis of pulmonary tuberculosis is made on the basis of cavitating lesions visualised on radiography in the left upper lobe of the lung and Ziehl-neelsen staining of three sputum samples showing heavy amounts of acid-fast bacilli. Genotypic testing suggests rifampicin and isoniazid resistance of the growing isolate. An MDR-TB regimen is constructed. Which of the following agents is LEAST likely to be contained within this regimen?

Select the SINGLE most appropriate option from the list below. Select ONE option only.