Conservative lawmakers are pressing the White House to end the Medicaid expansion sooner in a bill to repeal Obamacare, as the White House looks to take a larger role in negotiations over the beleaguered bill.

Members of the Republican Study Committee, a collection of more than 100 lawmakers, met with Vice President Mike Pence on Wednesday to express concerns about the American Health Care Act. House leadership also signaled that the White House will play a larger role in getting the bill passed, after facing criticism over not taking an active role.