Sen. Rob Portman wasted no time hitting the airwaves to tout final passage of anti-opioid legislation.

The Ohio Republican’s campaign said Friday it is launching a six-figure buy for a new rapid response ad featuring Portman’s interviews about final Senate action, which took place Wednesday evening.

The White House has said President Barack Obama will sign the bill, which passed with overwhelming support despite objections from Democrats about the lack of dedicated emergency funding.

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Bill to Combat Opioid Abuse Sent to Obama

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The campaign of Portman’s challenger, former Ohio Gov. Ted Strickland, has pointed to criticism of the Republican senator for his vote against an omnibus spending bill funding the government that included, among its myriad provisions, funds to fight opioid abuse.

“Our communities are crying out for real resources to tackle the epidemic of opioid and heroin abuse,” Strickland said in a statement. “That’s why Sen. Portman’s record on this issue is so disappointing: He’s bragging 
about a drug abuse prevention bill that he actually voted against funding, and the bill he’s touting today means that 
Ohio will get zero new dollars to fight this scourge.”

Portman has been among the cadre of Republicans backing recent supplemental funding, but it’s fallen short of the votes needed to advance in the Senate. Republicans say they will add more money in the appropriations process.

Portman is considered one of the most vulnerable GOP senators this year, but he holds a sizable fundraising advantage over Strickland.