federal_register: 2017-04628
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| 2017-04628 | Proposed Revised Definitions for the Levels of Evidence for NIOSH Skin Notation Profiles; Request for Comment | Notice | The National Institute for Occupational Safety and Health (NIOSH) of the Centers for Disease Control and Prevention (CDC) proposes to clarify the definitions for `sufficient', `limited', and `insufficient' levels of evidence for the designation of NIOSH skin notations. In NIOSH Current Intelligence Bulletin (CIB) 61--A Strategy for Assigning New NIOSH Skin Notations, Appendix E.2, Evaluation of data, pp. 41-42 [http://www.cdc.gov/niosh/docs/2009-147/pdfs/2009- 147.pdf] these levels of evidence are defined as the following: "Data sets classified as sufficient are those that include human and/or animal toxicity studies conducted according to standardized protocols and that provide in-depth descriptions of the exposure conditions and study findings. Data sets classified as limited via the qualitative ranking scheme contain either human and/or animal studies conducted by non-standardized protocols or contain incomplete descriptions of the exposure conditions and study findings. Data sets classified as insufficient include studies that primarily either did not apply standard protocols or did not provide an in-depth description of the exposure conditions or study findings. Data sets that receive the insufficient ranking will not be used as the basis for the NIOSH skin notation." NIOSH proposes to clarify the definitions for the sufficient, limited, and insufficient levels of evidence to the following: "Data sets classified as sufficient are those that include human and/or animal studies conducted using standardized protocols and that provide complete descriptions of the exposure conditions and study findings. Data sets classified as limited are those that include human and/or animal studies conducted using non-standardized protocols or that provide incomplete descriptions of the exposure conditions or study findings. Data sets classified as insufficient are those that include human and/or animal studies conducted using non-standardized protocols and that provide incomplete descriptions of the exposure conditions and study findings. Data sets that receive the insufficient ranking will not be used as the basis for the NIOSH skin notation." Evaluation of dose-related effects in studies with limited or insufficient evidence, mechanistic data, and analogous chemical properties may be factored into the classification scheme for determining the level of evidence for identified studies. Data sets that provide insufficient evidence will not be used as the basis for the NIOSH skin notation but, in some cases, may provide information to support or contradict evidence for the skin notation. For data sets with conflicting findings, an overall determination based on the body of evidence will be developed by evaluating data adequacy, reliability and relevance, and assessing each study's quality of evidence. The studies with the best quality and validity to support the notation are identified and cited in the individual Skin Notation Profile documents. NIOSH seeks comments on proposed changes as described above. | 2017-03-09 | 2017 | 3 | https://www.federalregister.gov/documents/2017/03/09/2017-04628/proposed-revised-definitions-for-the-levels-of-evidence-for-niosh-skin-notation-profiles-request-for | https://www.govinfo.gov/content/pkg/FR-2017-03-09/pdf/2017-04628.pdf | Health and Human Services Department; Centers for Disease Control and Prevention | 221,44 | The National Institute for Occupational Safety and Health (NIOSH) of the Centers for Disease Control and Prevention (CDC) proposes to clarify the definitions for `sufficient', `limited', and `insufficient' levels of evidence for the designation of... |