The companies argue the commissioners have "a lengthy track record of making public statements that indicate serious bias" against pharmacy benefit managers.

CVS Health and UnitedHealth Group have asked U.S. Federal Trade Commission chair Lina Khan and commissioners Rebecca Kelly Slaughter and Alvaro Bedoya to disqualify themselves from an FTC lawsuit that has accused the companies of unlawfully inflating insulin prices.

The FTC has accused units of CVS, Cigna and UnitedHealth of unfair trade practices in how they managed insulin prescriptions.

UnitedHealth Group and CVS Health have petitioned a judge to sideline FTC Chair Lina Khan from the agency’s lawsuit against the largest pharmacy PBMs

CVS argues the three commissioners have “a lengthy track record of making public statements that indicate serious bias” against pharmacy benefit managers.