House Republicans on Thursday blocked a drug pricing amendment supported by President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE from inclusion in a health-care spending bill.

The provision, which passed the Senate on a bipartisan basis last month, would require drug prices to be disclosed in television advertisements for drugs in an effort to increase transparency and bring down prices.

Lawmakers and aides said that House Republicans objected to including the provision in the final version of the funding bill, which was finished by House and Senate negotiators on Thursday.

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Sen. Dick Durbin Richard (Dick) Joseph DurbinFeinstein 'surprised and taken aback' by suggestion she's not up for Supreme Court fight Grand jury charges no officers in Breonna Taylor death Democrats shoot down talk of expanding Supreme Court MORE (D-Ill.), one of the sponsors of the provision, blamed pharmaceutical companies for exercising their influence to block the measure.

“When are we going to stand up to Big Pharma?” Durbin asked.

He noted that Trump supported the measure, reading aloud a tweet from the president last month praising the measure as a move “to end the secrecy around ridiculously high drug prices.” The proposal is part of Trump’s plan to lower drug prices, something the president has been vocal about.

Republican Sen. Chuck Grassley Charles (Chuck) Ernest GrassleyThe Hill's 12:30 Report: Ginsburg lies in repose Top GOP senators say Hunter Biden's work 'cast a shadow' over Obama Ukraine policy Read: Senate GOP's controversial Biden report MORE (Iowa), who co-sponsored the measure with Durbin, tweeted Thursday that it is “EMBARRASSING to bow to BIG PHARMA at expense of consumers” and not include the provision.

Asked about the objections, Rep. Tom Cole Thomas (Tom) Jeffrey ColeBottom line House approves .3 trillion spending package for 2021 Multiple lawmakers self-quarantine after exposure to Gohmert MORE (R-Okla.), the top health appropriator in the House, said he did not want to get into the details, but said that some House Republicans opposed the provision.

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“Our friends in the House felt differently on this topic,” said Sen. Roy Blunt Roy Dean BluntSocial media platforms put muscle into National Voter Registration Day Senate GOP faces pivotal moment on pick for Supreme Court This week: Supreme Court fight over Ginsburg's seat upends Congress's agenda MORE (R-Mo.), the top Senate health appropriator.

After failing to get the provision into the underlying funding bill on Thursday, Durbin offered it as an amendment before withdrawing it after other lawmakers said they did not want to jeopardize passage of the larger health funding bill by voting on the amendment.

A spokeswoman for House Energy and Commerce Committee Chairman Greg Walden Gregory (Greg) Paul WaldenHillicon Valley: DOJ proposes tech liability shield reform to Congress | Treasury sanctions individuals, groups tied to Russian malign influence activities | House Republican introduces bill to set standards for self-driving cars OVERNIGHT ENERGY: California seeks to sell only electric cars by 2035 | EPA threatens to close New York City office after Trump threats to 'anarchist' cities | House energy package sparks criticism from left and right House energy package sparks criticism from left and right MORE (R-Ore.), whose committee oversees drug pricing issues, said that he did not oppose the provision.