CTN Comorbidities SIG

Co-Chairs: Judith Feinberg, MD, Appalachian Node and Susan Tross, PhD, Greater New York Node


  • Enhance research on Comorbidities of Substance Use in the CTN, exemplified by:
    • infectious consequences: chronic viral infections (HIV, hepatitis B and C); sexually transmitted infections; serious bacterial infections (endocarditis, etc.)
    • mental health conditions
    • overdose
    • COVID-19 impact
  • Promote integration of assessments and interventions for various comorbidities in CTN studies


  • Enumerate, discuss & develop concepts to evaluate SUD comorbidities
  • Develop strategies to integrate testing, linkage, treatment, retention, adherence support and prevention of comorbid conditions into SUD treatment venues
  • Develop strategies for integrating services for these comorbidities and SUD treatment into primary care venues, hospitals and other non-SUD treatment venues
  • Collaborate with CTN researchers and practitioners to develop new protocols and substudies to characterize evolving epidemiology of comorbid conditions
  • Provide brief, feasible, standard questions/instruments to assess comorbidities for inclusion in CTN protocols
  • Collaborate with CTN protocol teams on analyses of comorbid conditions, including comparisons across regions and key subgroups (substance of choice, demographics, etc)


  • All interested individuals from all disciplines and all Nodes are welcome!

When We Meet

  • First Tuesday of each month, 1:00 ET/12:00 CT/10:00 PT

How To Join