Husband's Online Campaign to Save Wife

Keith Knapp took to social media to pressure drug companies to give his wife an experimental cancer treatment.
3:00 | 03/27/14

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Transcript for Husband's Online Campaign to Save Wife
To a husband's desperate battle to save his wife's life. She's battling a rare form of cancer. He's launching a social media campaign to pressure the drug companies to give her access to an experimental treatment that could be her only hope. ABC's Jim Avila has the story. Reporter: What would you do if this smart, beautiful, 25-year-old woman was the love of your life and she's dying? Already exhausted all approved treatments for a rare and deadly kidney cancer, well, this is what her husband Keith is doing, not giving up. Michaela has been my rock. She's in a lot of pain and facing death at the age of 25. She's just such a fighter. Reporter: Keith is mobilizing a groundswell of international support to pressure the fda to allow compassionate use of a promising drug still being tested but not yet approved. We just need someone to say that they're going to provide us the drug and we're not going to give up until we get that. Reporter: And the social media blitz has momentum. From the Facebook page which declares we got this to Twitter, both pushing to the position which hovers at about 200,000. She has made youtube appearances from her northern California hospital bed. Thank you so much for all your support. Reporter: Her situation similar to 7-year-old josh hardy. A drug company agreeing to give him an experimental kidney drug this month after an online campaign but some in the medical world worry about the pressure being put on doctors, pharmaceutical companies and the fda by massive move of emotion rather than science. We'd like that to be a decision made by those caring for her. Not by the pressure put on by a social media campaign. A campaign growing in strength as each day Michaela waits and weakens. For "Good morning America," Jim Avila, ABC news, Washington.

This transcript has been automatically generated and may not be 100% accurate.

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