Ask to take part

Contact the study team using the details below to take part. If there are no contact details below please ask your doctor in the first instance.

Contact Information:

Clinical Trials Information Desk, To prevent mis-communication, please e-mail
information.US@mb.tanabe-pharma.com


Study Location:

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Be Part of Research - Trial Details - Extension Study to Evaluate Safety and Tolerability of Oral Dersimelagon (MT-7117) in Subjects With Erythropoietic Protoporphyria (EPP) or X-Linked Protoporphyria (XLP)

Extension Study to Evaluate Safety and Tolerability of Oral Dersimelagon (MT-7117) in Subjects With Erythropoietic Protoporphyria (EPP) or X-Linked Protoporphyria (XLP)

Recruiting

Open to: ALL

Age: 12.0 - 75.0

Medical Conditions

EPP
XLP


This information is provided directly by researchers, and we recognise that it isn't always easy to understand. We are working with researchers to improve the accessibility of this information. In some summaries, you may come across links to external websites. These websites will have more information to help you better understand the study.


To evaluate the long-term safety and tolerability of oral dersimelagon.

Start dates may differ between countries and research sites. The research team are responsible for keeping the information up-to-date.  

The recruitment start and end dates are as follows:

Aug 2021 Dec 2027

INTERVENTIONAL

Intervention Type : DRUG
Intervention Description : MT-7117

Intervention Arm Group : Dersimelagon 200mg;



You can take part if:



You may not be able to take part if:


This is in the inclusion criteria above


Below are the locations for where you can take part in the trial. Please note that not all sites may be open.

  • Salford Royal NHS Foundation Trust
    Manchester
    MN
    M6 8HD
  • Evelina London Children's Hospital - Guy's & St Thomas' NHS Foundation Trust
    London
    SE1 9RT
  • Southampton General Hospital - University Hospital Southampton NHS Foundation Trust
    Southampton
    SO16 6YD
  • St. John's Institute of Dermatology-Guy's & St Thomas' NHS Foundation Trust
    London
    SE1 7EH

Clinical Trials Information Desk, To prevent mis-communication, please e-mail
information.US@mb.tanabe-pharma.com



The study is sponsored by Tanabe Pharma America, Inc.




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Read full details for Trial ID: NCT05005975
Last updated 04 December 2025

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