Kaléo Pharmaceuticals in response to the opioid-overdose-reversing device Evzio rising in price from $690 in 2014 to $4,500 and requested the company answer what the detailed price structure for Evzio was, the number of devices Kaléo Pharmaceuticals set aside for donation, and the totality of federal reimbursements Evzio received in the previous year. In March 2017, Gillibrand was one of twenty-one senators to sign a letter led by Ed Markey to Senate Majority Leader Mitch McConnell which noted that 12 percent of adult Medicaid beneficiaries had some form or a substance abuse disorder in addition to one third of treatment administered for opioid and other substance use disorders in the United States being financed through Medicaid and opined that the American Health Care Act could "very literally translate into a death spiral for those with opioid use disorders" due to the insurance coverage lacking and not having the adequate funds to afford care oftentimes resulting in individuals abandoning substance use disorder treatment. In March 2019, Gillibrand and Colorado senator Cory Gardner introduced the John S. McCain Opioid Addiction and Prevention Act, a bill that would require doctors and other medical professionals to limit opioid prescriptions for the first treatment of acute pain to no more than a supply of seven days. Gillibrand stated that too many in her home state of New York and across the US had been affected by the opioid epidemic and they needed to be proactive in addressing the issue. Workplace harassment In March 2018, along with Amy Klobuchar and Patty Murray, Gillibrand led a letter signed by all 22 female U.S. senators to Senate Majority Leader Mitch McConnell and Senate Minority Leader Chuck Schumer that called for changes to a 1995 statute that formed the present policy for addressing workplace misconduct complaints on Capitol Hill and specified their support for an update to the policy that would streamline the process of reporting sexual harassment in addition to granting staffers more resources in filing reports. In April 2019, Gillibrand signed onto the Be HEARD Act, legislation intended to abolish the tipped minimum wage along with ending mandatory arbitration and pre-employment nondisclosure agreements. The bill also gave workers additional time to report harassment and was said by co-sponsor Patty Murray to come at a time when too many workers are "still silenced by mandatory disclosure agreements that prevent them from discussing sexual harassment and longstanding practices like