Polidocanol

Sold as ASCLERA, VARITHENA · given by intravenous

Five to ten years until it comes off patent
5.7 yr
Until anyone may copy it
Protection runs to 2032-05-12
11
Trials running now
78 registered in total
In routine use
Furthest stage reached
already in routine clinical use
3
Organisations running trials
lead sponsors on record
01

Who owns it, and until when

Boston Scientific Corp
Approval holder
the only company permitted to sell it today
2032-05
Last patent expires
latest patent filed against this product
none listed
FDA exclusivity ends
a separate protection granted at approval

Whichever date falls later is when other manufacturers may apply to sell copies. Price typically falls steeply within a year of that point, and with it any company's ability to recover the cost of new research on the molecule. That is when it becomes a candidate for the ledger on the first tab.

02

What it is being tested for

Varicose VeinsVaricose Veins of Lower LimbGastric Varices
03

Who is paying for the research

Boston Scientific Corporation
Company
8
Shanghai Zhongshan Hospital
University or hospital
3
West China Hospital
University or hospital
3

Who funds the trials matters after protection lapses. Company-funded work usually stops once exclusivity ends; university, hospital and government-funded work does not, and is the research most likely to continue on this molecule afterwards.

04

The trials themselves

NCT07606391No trials on record2026 · 90 people · not yet recruiting
Polidocanol 1% and Steroid in Keloids and Hy

Expiry dates are what the patent holder has filed; litigation, paediatric extensions and settlements routinely move them, so read these as the earliest plausible date rather than a schedule. Not medical advice.

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