Examination of Pregabalin Access for Treatment of Indicated Pain Disorders: the ExPAND Study

• Fibromyalgia
• Painful Diabetic Peripheral Neuropathy

• Other: prior authorization
  
  This is a naturalistic study. The physician will prescribe medication(s) as appropriate
• Other: no prior authorization
  
  This is a naturalistic study. The physician will prescribe medication(s) as appropriate

• 1
  
  Eligible fibromyalgia patients receive usual care with pregabalin prior authorization requirements in place
  Intervention: Other: prior authorization
• 2
  
  Eligible fibromyalgia patients receive usual care without pregabalin prior authorization requirements in place
  Intervention: Other: no prior authorization
• 3
  
  Eligible painful diabetic peripheral neuropathy patients receive usual care with pregabalin prior authorization requirements in place
  Intervention: Other: prior authorization
• 4
  
  Eligible painful diabetic peripheral neuropathy patients receive usual care without pregabalin prior authorization requirements in place
  Intervention: Other: no prior authorization

Inclusion Criteria:

• A physician-confirmed diagnosis of either pDPN or FM, but not both.
• Initiation of a medication for pDPN or FM is clinically indicated, either as monotherapy or in combination with other treatments, as determined by the treating physician, and agreed to by the patient.
• No prior pregabalin use or pregabalin PA requests.

Exclusion Criteria:

• Age < 18 years at time of study enrollment.
• Females or are partners of males currently pregnant/lactating or intending to become pregnant in the next 6 months
• Physician-confirmed diagnosis of both pDPN and FM.