A young twin given just six months to live is attempting to raise £500,000 for potentially life-saving treatment abroad.
Caitlin Leggett, from Cardiff says the prospect of leaving her identical sister behind is "unthinkable". 💔👭
The 24-year-old was diagnosed with acute myeloid leukaemia in April 2025, with a persistent rash being the only indication that something was seriously wrong. 😢
Following months of chemotherapy and a stem cell transplant in December 2025, Caitlin achieved complete remission.
But in May 2026, doctors discovered the cancer had returned and the treatment options available to her on the NHS were unlikely to offer a cure.
With only six months to live on her current treatment plan, she has chosen to seek potentially curative care overseas – most likely in the US – where treatment and related costs could amount to £500,000. ✈️
Caitlin's twin sister Grace Leggett said witnessing Caitlin's ordeal while facing the possibility of losing her sister within six months was devastating.
"We're only 24 – nobody expects this to happen... Being twins as well, you're not supposed to have one twin not be there," Grace said.
"It's unthinkable," Caitlin added. "We've gone through life together and I don't want our story to end here."
From May 2026, Caitlin has been participating in a further drug trial for Bleximenib and is awaiting news on whether her body responds positively.
Her medical team say there is another drug trial option should it prove unsuccessful – however she has been advised that these treatments are not curative.
She has been informed that a second stem cell transplant cannot be carried out in the UK, and doctors have predicted that her current treatment plan will keep her alive for just six more months.
As a result, she has chosen to seek curative treatment overseas – weighing up specialised leukaemia treatment in America or CAR-T cell therapy, a form of immunotherapy, in either China or Singapore, both of which will run into hundreds of thousands of pounds.
Caitlin and Grace have launched a GoFundMe page entitled Saving Caitlin in a bid to raise £500,000 to meet the cost of the expensive overseas treatment, along with transport, accommodation and sustenance for accompanying family members, and are "appealing to anyone and everyone to help us in this fight".
Should the twins fail to raise the necessary funds, it is unlikely that Caitlin will survive to celebrate her 25th birthday.
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