NCT06218823 2025-10-27Tobacco Treatment Comparison for Cancer CareUniversity of Wisconsin, MadisonPhase 4 Completed52 enrolled 9 charts
NCT00790569 2018-06-06Varenicline or Nicotine Patch and Nicotine Gum in Helping Smokers in a Methadone Treatment Program Stop SmokingButler HospitalPhase NA Completed315 enrolled 19 charts