It’s the Senate’s turn to work on medical cures legislation, now that the House has overwhelmingly approved its sweeping new bill.

Aides and lobbyists don’t expect a final bill until next year at the earliest, with the Senate expected to pass its own version later this year and then merge it with the House bill. And there will be many issues for lawmakers to work out — such as how much extra funding to give federal agencies for the research, development and approval of new treatments, and how to pay for it.