Many pain patients are worried the guidelines could further restrict their access to opioid pain medications. The CDC has also been criticized for a lack of transparency in developing the guidelines and for seeking little public input.

In a letter to CDC Director Tom Frieden, the American Cancer Society called for the guidelines’ development to be suspended until numerous issues are addressed.

“We believe the proposed guidelines have the potential to significantly limit cancer patient access to needed pain medicines. We have concerns about the lack of evidence on which the guidelines were based, the methodology used to develop the guidelines, and the transparency of the entire process,” wrote Christopher Hansen, President of the American Cancer Society Cancer Action Network.

“Our concerns are so serious that we cannot endorse the proposed guidelines in any way and suggest suspending the process until the methodological flaws are corrected and more evidence is available to support prescribing recommendations.”

Hansen’s letter was also addressed to Debra Houry, MD, Director of the CDC’s National Center for Injury Prevention and Control, which is developing of the guidelines.

In an email Monday to a “Stakeholders Review Group” composed mainly of physician organizations, Houry invited the groups to listen to a conference call on October 21 to update them on the drafting of the guidelines.

“As a reminder, the recommendations in the document you reviewed are pre-decisional, draft, and confidential. We ask that you refrain from sharing them widely at this point because they are not yet final, will change based on the feedback we received through the various comment processes, and we do not want clinicians to refer to the guidelines until we complete the peer review, revisions, and clearance process,” Houry wrote.

Secrecy had surrounded the development of the guidelines from the beginning and continues today. Only a summary of the guidelines is available on a CDC website and the agency is no longer accepting public comments on them.

Even the number of public comments the agency has received about the guidelines is unclear. In her email to stakeholders, Houry said there were “more than 250 comments.” But Pain News Network was told there were “more than 1,200 comments from patients, health care professionals, and members of organizations.”

When asked to explain the discrepancy, a CDC spokesperson said the agency had actually received just 167 emails during the public comment period, “but note that this is just the number of emails and doesn’t necessarily equate with the number of comments incorporated within each of the email messages.”

As many as 11.5 million Americans are on long term opioid therapy. The American Cancer Society called on the CDC to give those patients and the public a better chance to review and comment on the guidelines.

“We have concerns that the attempts to solicit public input on the draft guidelines were cursory and did not allow adequate opportunity for thoughtful responses. While a public webinar was held to discuss the recommended guidelines, it was not well advertised and many interested parties were denied access because the webinar lacked sufficient capacity,” Hansen wrote in his letter to the CDC.

As Pain News Network has reported, over 50 invitations to the webinar were sent to groups representing physicians, insurance companies, pharmacists, anti-addiction advocacy groups and other special interests. Only two patient advocacy groups – the American Cancer Society and the American Chronic Pain Association (ACPA) – were invited.

“U.S. Pain Foundation was disappointed to have learned that the CDC drafted the proposed prescriber guidelines on opioid medications without, in the organization’s opinion, appropriately notifying the pain community at-large,” said Shaina Smith, Director of State Policy and Advocacy for the U.S. Pain Foundation, one of the nation’s largest patient advocacy organizations. “U.S. Pain feels it was not afforded the opportunity to participate in these important discussions which could have a significant impact on the lives of individuals with pain.

“Despite the CDC stating that 55 diverse organizations were invited to join the webinar's discussion, none of the collaborating patient advocacy organizations U.S. Pain works alongside were granted an invitation. Furthermore, pain patients were not alerted of this opportunity until after the guidelines were made available to the public.”

Repeated calls and emails to Penney Cowan, executive director of the American Chronic Pain Association (ACPA), for comment on the guidelines were not returned.

"We apologize, but Ms. Cowan has been traveling extensively and will not be back in the office until Oct 20th. She indicated that she does not have time in her schedule to discuss this," a spokesperson for ACPA explained in an email.