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Lung India. 2019 Sep-Oct;36(5):422-433. doi: 10.4103/lungindia.lungindia_39_19.

Pidotimod: In-depth review of current evidence.

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PD Hinduja National Hospital and Medical Research Centre, Mumbai, Maharashtra, India.
Department of Respiratory Medicine, Apollo Clinic, Chennai, Tamil Nadu, India.
Department of Respiratory Medicine, Mehta Hospital, Ahmedabad, Gujarat, India.
Department of Medical Affairs, Wockhardt Limited, Mumbai, Maharashtra, India.


Pidotimod, an immunostimulant, is researched for over two decades. Current evidence indicates its utility in a variety of indications in children as well as in adults. Its immunostimulant activity has been firmly established in the management of recurrent respiratory infections in children with or without asthma. Compared to standard of care alone, addition of pidotimod to standard of care significantly prevents the recurrences and reduces the severity and duration of acute episodes, ultimately resulting in reduced visits to pediatric clinics and lower absenteeism at school. In adults, pidotimod is effective in the prevention and treatment of acute infectious exacerbations of chronic bronchitis and chronic obstructive pulmonary disease (COPD). Further, it has been evaluated in indications such as pneumonia, hand-food-mouth disease, bronchiectasis, and chronic idiopathic urticaria. From a total of 32 studies conducted in child (24 studies) and adult (8 studies) population, this in-depth review discusses the current evidence of pidotimod. With further exploration, the immunostimulant activity of pidotimod might be extended to different immunological disorders.


Adults; asthma; children; chronic obstructive pulmonary disease; pidotimod; recurrent respiratory infections

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