(CNN) -- Former Sen. John Edwards of North Carolina is dropping out of the race for the Democratic presidential nomination, two sources inside his campaign said Wednesday.
Edwards has told top advisers about his decision. It is expected he will announce it in a speech at 1 p.m. ET Wednesday in New Orleans, Louisiana.
An Edwards aide said the candidate was not getting the media attention he needed to get his message out and win delegates, especially with races coming up in 22 states next Tuesday.
Edwards has amassed 26 delegates for the Democratic nomination.
Campaign money was not an issue, the aide said.
New Orleans is the same city in which Edwards declared his run to be the 2008 Democratic presidential nominee.
Edwards' campaign Web site said he was to deliver an address on poverty and work on a Habitat for Humanity project Wednesday in New Orleans.
Edwards has trailed Sens. Hillary Clinton of New York and Barack Obama of Illinois in the early contests, including a third-place finish in Tuesday's Florida primary with 14 percent of the votes. He also came in third in key races in New Hampshire and South Carolina.
An aide said Edwards does not plan to endorse either Clinton or Obama at this time but he may do so in the future.
A top Edwards aide said the former senator contacted Obama and Clinton on Tuesday, telling them he was considering dropping out of the race and asking them to make poverty a top issue of their campaigns and -- if either reaches the White House -- a central part of their administration.
Both candidates agreed, the aide said.
Reacting to the expected announcement, Obama praised Edwards.
"At a time when our politics is too focused on who's up and who's down, he made a nation focus again on who matters -- the New Orleans child without a home, the West Virginia miner without a job, the families who live in that other America that is not seen or heard or talked about by our leaders in Washington," Obama said Wednesday.
Some political pundits predict Edwards' supporters are more likely to lean in Obama's direction.
"The conventional wisdom is that Barack Obama will pick up maybe 60 percent of them, and in some places, that makes a huge difference," former presidential adviser David Gergen said.
Time magazine journalist Joe Klein said, "I don't think he endorses Hillary Clinton. The question is whether or not he endorses Barack Obama."
Klein contends that Clinton "represents a lot of the things that [Edwards] campaigned against, you know, the old Washington Democratic establishment that he believes got too close to the corporations in the '90s."
Edwards had campaigned on the message that he was standing up for the little guy, the people who are not traditionally given a voice in Washington, and that he would do more to fight special interests.
Commenting on his New Orleans trip, Edwards said Tuesday the city symbolized why he chose to run for president.
"It's a living, breathing example of the heart of my message, what I'm talking about," Edwards said. "I mean it's the failure of government to be there when people need it. It's a perfect indication of the conditions of poverty that exist in America."
In a reaction to President Bush's State of the Union address Monday, Edwards said, "The truth is that Washington is out of touch with what's happening across the country. Between now and January of 2009, Democrats must stand up to this president, stand up for what's right, so he does not continue to forget about the middle class in this country."
Klein said Edwards played a positive role in spurring his competitors during the early part of the campaign.
"On a lot of substantive issues like health insurance, he was the first one out of the box with a very ambitious universal plan, and I think he forced the others to become bolder in a lot of their policy prescriptions, energy dependence and so on," Klein said.
The remaining Democratic contenders face off in a debate at 8 p.m. ET Thursday on CNN.
One Edwards aide said he is not dropping out of the race due to his wife's health. Elizabeth Edwards announced last year that her breast cancer had returned.
She was first diagnosed with breast cancer during her husband's 2004 vice presidential campaign as John Kerry's running mate.
Edwards is a South Carolina native with an undergraduate degree from North Carolina State University and law degree from the University of North Carolina.
Before entering politics, winning a Senate seat from North Carolina in 1998, Edwards was a lawyer representing families "being victimized by powerful interests" and gaining "a national reputation as a forceful and tireless champion for regular, hard-working people," according to his campaign Web site.
Nooooo, I agreed with his healthcare plan and ideas the most and wanted to see his hot ass in the white-house
John Edwards Quits Presidential Race 
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