Financial conflicts of interest between pharmaceutical companies and executive board members of internal medicine subspecialty societies in Japan between 2016 and 2020

Abstract

Using payment data disclosed by 92 major pharmaceutical companies, this study evaluated personal payments to executive board members (EBMs) among each specialized field of internal medicine in Japan. A total of 63,405 personal payments worth of $70,796,014 in payment amounts were made to 99.2% of all EBMs of the 15 leading professional societies of internal medicine in Japan between 2016 and 2020.

Competing Interest Statement

H.S. received personal fees from Taiho Pharmaceutical Co. Ltd outside the scope of the submitted work. A.O. and T.T. received personal fees from Medical Network Systems, a company developing an artificial intelligence diagnostic tool, outside the scope of the submitted work. T.T. also received personal fees from Bionics Co. Ltd, a medical device company, outside the scope of the submitted work. Other remaining authors declared no financial conflicts of interest.

Funding Statement

The Medical Governance Research Institution and the Tansa provided financial support for the present research. Tansa is a non-profit organization engaged in objective journalism and is a member of the Global Investigative Journalism Network. The Medical Governance Research Institution is a non-profit organization and has received donations from various individuals, industries, and organizations, including donations from Ain Pharmacies, Japan. The funders were not involved in the design of the study, the work carried out, or interpretation of the study findings.

Author Declarations

I confirm all relevant ethical guidelines have been followed, and any necessary IRB and/or ethics committee approvals have been obtained.

Yes

The details of the IRB/oversight body that provided approval or exemption for the research described are given below:

This study was approved by the Ethics Committee of the Medical Governance Research Institute (approval number: MG2018-04-20200605; approval date: June 5, 2020). Informed consent was waived, as this study included only publicly available information.

I confirm that all necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived, and that any patient/participant/sample identifiers included were not known to anyone (e.g., hospital staff, patients or participants themselves) outside the research group so cannot be used to identify individuals.

Yes

I understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance).

Yes

I have followed all appropriate research reporting guidelines and uploaded the relevant EQUATOR Network research reporting checklist(s) and other pertinent material as supplementary files, if applicable.

Yes

Data Availability

All data produced in the present study are available upon reasonable request to the authors.

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