Clinical Studies

      A 26-week Extension of the ZRHR-ERS-09-US Study Evaluating Biological and Functional Changes in Healthy Smokers After Switching to THS 2.2

      First posted
      Jan 7, 2016
      Official Title

      A 26-week Extension Study to Determine the Biological and Functional Changes in Healthy Smokers Who Switched From Conventional Cigarettes (CC) to Tobacco Heating System 2.2 (THS 2.2) Compared to Those Who Continued to Smoke CC in the ZRHR-ERS-09-US Study

      Brief Summary

      The objective of the ZRHR-ERS-09-EXT-US study is to further assess the effect of the Tobacco Heating System 2.2 (THS 2.2), a candidate Modified Risk Tobacco Product, compared to conventional cigarettes (CC) on the components of the "smokers' health profile" for a prolonged period of 26 weeks, providing additional information to the results of the original study ZRHR-ERS-09-US of 26-week exposure (NCT02396381). In total, the ZRHR-ERS-09-EXT-US study will extend the exposure period to 52 weeks.


      Recruitment: Completed

      Study Results: Available

      Enrollment: 672

      Study Type: Interventional

      Other IDs: ZRHR-ERS-09-EXT-US