NCT00002520 2023-06-15Physician-Initiated Stop-Smoking Program for Patients Receiving Treatment for Early-Stage CancerEastern Cooperative Oncology GroupPhase NA Completed434 enrolled
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