Quality of outcome reporting for clinical trails on medullary thyroid cancer registered on ClinicalTrials.gov

Repositories of clinical trials provide essential information in clinical research. In the WHO International Clinical Trials Registry Platform, ClinicalTrials.gov is included in the list of Primary Registries, since it meets the specific WHO criteria for content, quality, validity, accessibility, unique identification, technical capacity, and administration.
Researchers rely on information from this easily available database, to get summary data on ongoing clinical trials, potentially offering a vision of the future of the specific research issue. Questions have been raised on the completeness of the information provided by ClinicalTrials.gov.