Euthanasia advocate Dr Philip Nitschke to stand at the re-run of the Senate election. Picture: Sharon Smith/ WA News

Euthanasia advocate Dr Philip Nitschke will be one of the many micro-party candidates to stand at the re-run of the Senate election in Western Australia - but not Wikileaks founder Julian Assange.

Dr Nitschke and his Voluntary Euthanasia Party announced they would be running on April 5 to "lead the charge in pushing politicians to take a stance on voluntary euthanasia".

"We are so excited that we'll soon have passionate VEP members and community leaders speaking with Western Australians to spread the word of why a vote for the party is so important this election," Dr Nitschke said.

Dr Nitschke, who performed the world's first legally assisted suicides in the Northern Territory in 1996, ran senate candidates in NSW, ACT and South Australia, as well as in the Northern Territory lower house seat of Solomon in last year's federal election. The party did not field a senate candidate in WA in September.

"We're looking to build on our efforts last September and bring together thousands of Australians to run a powerful campaign in our country's biggest state," Dr Nitschke said.

Meanwhile, the Wikileaks Party has confirmed Mr Assange would not run, amid reports he was not eligible to contest in WA as he had not spent enough time in the state in past six years.

The Wikileaks founder remains in diplomatic asylum inside the Ecuadorian embassy in London.

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Local candidate Gerry Georgatos, who ran in WA for Wikileaks in September, has been selected by the party to lead their campaign.

"In September, WikiLeaks came ever so close to being elected to the Senate from WA but went from the certainty to being elected to missing out due to several reasons now no longer newsworthy," Mr Georgatos said.

"However, what Western Australians can realise from the September election is that a micro-party, preferably a progressive one, can be and will be elected."