About Clinical Studies

Daiichi Sankyo and Clinical Trial Data and Result Disclosure

Daiichi Sankyo is committed to disclose information from the clinical trials it sponsors and recognizes that there are important benefits associated with making clinical trial information available to healthcare professionals, patients, academics and other interested parties in an appropriate format.

Daiichi Sankyo registers and discloses clinical trial and result information according to local regulations and supports the clinical trial data disclosure positions of:

Registration and summary result information

We register and disclose information about clinical trials in the following databases:

Japan Registration/

Japan Pharmaceutical Information Centre Clinical Trials Database(Clinical Trials Information/JapicCTI)

United States Registration/

U.S. National Library of Medicine Clinical Trials Database

Europe Registration/

EU Clinical Trials (EudraCT database)

Access to clinical trial data and results

Daiichi Sankyo participates in a scheme that allows researchers access to anonymised Daiichi Sankyo clinical trial data if their request is approved by an Independent Review Panel (IRP). Please click on the link below to request anonymised clinical trial data if you are a researcher.


Contact us if you have any other inquiries related to clinical trial disclosure. Please note that depending on the nature of the inquiry, we may not be able to respond.

  • We do not provide information about the diagnosis and treatment of diseases. Please consult a healthcare professional.
  • Please enter complete and accurate information on the inquiry form for this information.
  • We will respond to inquiries during regular business hours (9:00-17:30 JST on weekdays), excluding certain holidays and summer dates.

*Do not use this site to report events presenting an immediate threat to life or property. Reports submitted through this service may not receive an immediate response. If you require emergency assistance, please contact your local authorities.
In case you wish to report an adverse drug reaction, please contact the Daiichi Sankyo affiliate in your home country.

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