NICK Cordero has started stem cell treatment amid his battle with coronavirus.
The Broadway star's wife Amanda Kloots revealed they decided on the procedure few days ago and she's hopeful it will help "strengthen" Nick's lungs.
Amanda, 38, said in her Instagram Stories: "Exciting news. We have started stem cell treatment for Nick and that just finished. We decided on this a couple of days ago."
The fitness fanatic added that the hospital "got it moving" and that they're using a company called Capricore.
She revealed: "This could be really great, of course there are absolutely no guarantees, there's hardly ever any guarantees."
Amanda went on: "But I'm just hoping that it can help him, even if it helps one per cent right? Even if it just bridges us to the next level in healing for him.
"I'm super excited about it and I can't wait to see if anything comes of it to help repair, strengthen Nick's lungs and get him any better."
The trainer signed off: "So fingers crossed. That's the new news."
The latest update comes after Amanda appealed to her followers for any medical information they might have to help Nick's health improve.
She penned in a now-deleted post: "Medical help: What Nick needs help with MOST right now is someone who is or has researched the release of carbon dioxide from the lungs.
"If you think you know of a doctor or trial to help ONLY THAT please reach out to me. Real medically based information from credited sources please! Again... Nick needs help with ventilation. Releasing carbon dioxide from his lungs."
The fitness influencer has been continuously updating fans on her 41-year-old husband's recovery on social media since he was first admitted into Cedars-Sinai hospital in late March.
On Thursday, she also told followers that he had been getting "slightly better every day."
The fitness trainer also took to Instagram on Wednesday to share a photo of Nick with their now 11-month-old son Elvis Eduardo before he was struck down with the deadly virus.
"I've been told a couple times that he won't make it," she shared in the caption. "I've been told to say goodbye.
"I've been told it would take a miracle. Well, I have faith. Faith that is small as a mustard seed sometimes, but that is all you need sometimes."
The Tony Award-nominated actor for Bullets over Broadway has faced a series of severe setbacks while in ICU in Los Angeles.
Nick had suffered complications from COVID-19 which forced doctors to amputate his right leg because of blood clots.
Yet, Amanda has never given up hope even when he developed a new lung infection last month after he seemed to be making progress.
The fitness guru wrote at the time: "He's still here and despite his odds gets slightly, slightly better every day. Where there is faith, there is hope. Where there is hope, there can be a miracle!
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"Like my dad has said since day one, every day he's still with us is a miracle. I believe God is with us, with the doctors and with Nick."
Late last month, Kloots announced that Nick was finally conscious, although he was continuing to fight off a lingering lung infection.
Amanda also revealed the doctors' upcoming "long-term big goals" for Nick include moving him off of dialysis and off of a ventilator.