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Posaconazole, silodosin and droxidopa generics from Lupin and Sandoz Posted 12/03/2021

Early 2021 saw the launch of two generic versions of posaconazole in Canada and the US. In Canada, the first generic version of the drug was launched by pharmaceutical manufacturer Sandoz Canada on 26 January 2021, along with a generic version of silodosin. These launches were followed by the launch of Lupin’s generic posaconazole in the US in mid-February 2021. During the same period, Lupin also announced the US approval of its generic droxidopa capsules [3].

Posaconazole launch in Canada and the US
Posaconazole is an antifungal agent indicated for the prophylaxis of Aspergillus and Candida infections in patients who are at high risk of developing these infections due to being severely immunocompromised. These include patients with prolonged neutropenia from chemotherapy or haematopoietic stem cell transplant (HSCT) recipients. The generic versions of the originator Noxafil® will be available as 100 mg delayed-release tablets. December 2020 data revealed that Noxafil® had estimated annual sales of US$186 million in the US.

Sandoz Canada silodosin launch
Sandoz Canada’s silodosin launch follows a patent litigation whereby the Canadian Federal Court ruled that the Sandoz product does not infringe a patent for this drug. This drug product is a generic version of originator Rapaflo. It is a selective antagonist for ALPHA1A adrenoreceptor subtype in the prostate and bladder used to treat the signs and symptoms of benign prostatic hyperplasia (BPH). The product is sold in 4 mg and 8 mg capsules.

Lupin’s US droxidopa approval
The US Food and Drug Administration (FDA) approved Lupin’s generic droxidopa capsules (100 mg, 200 mg, and 300 mg) on 19 February 2021. droxidopa is indicated for the treatment of orthostatic dizziness, lightheadedness, or the ‘feeling that you are about to black out’ in adult patients with symptomatic neurogenic orthostatic hypotension (nOH) that can be caused by a number of reasons. These include primary autonomic failure (due to Parkinson’s disease, multiple system atrophy, and pure autonomic failure), dopamine beta-hydroxylase deficiency, and non-diabetic autonomic neuropathy. Lupin’s droxidopa capsules are generic versions of the originator Northera® and will be manufactured by Lupin in India. It was estimated that the 2020 annual sales of Northera® were US$352 million in the US.

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Source: Lupin, Sandoz

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