The government also alleged that, in 2013, at Aegerion's request, PSI created a fund for homozygous familial hypercholesterolemia (HoFH), which can be treated by Juxtapid, a drug that was sold by Aegerion. The government alleged that PSI allowed Aegerion to participate in establishing the patient eligibility criteria that PSI used to cover copayment obligations of patients taking Juxtapid, and PSI's HoFH fund allowed Aegerion to pay for Medicare patients' copayments to eliminate any price sensitivity to physicians prescribing and patients taking Juxtapid. The government further alleged that Alexion approached PSI in January 2010 to request that PSI create a fund to provide financial assistance to Soliris patients, including by paying patients' Medicare copays and other medical expenses for Soliris patients.