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Patients and caregivers

Welcome to the THERAKOS
extracorporeal photopheresis website

We are the provider of the THERAKOSTM CELLEXTM Photopheresis System: an integrated system used for the delivery of extracorporeal photopheresis (ECP).

Our THERAKOS™ CELLEX™ Photopheresis System delivers extracorporeal photopheresis (also known as ECP*), a treatment for patients with a range of immune-mediated diseases
We have been developing this treatment and advancing the technology of our THERAKOS™ CELLEX™ Photopheresis System for over 30 years
We are committed to optimising the delivery of ECP* for patients and the healthcare
professionals that administer it

*ECP stands for extracorporeal photopheresis (‘extracorporeal’ means outside the body).

YOUR VIDEO GUIDE TO ECP

Watch our ECP video series and get the information you are looking for

FIND OUT MORE

What is extracorporeal photopheresis (ECP)?

EXTRACORPOREAL PHOTOPHERESIS, also known as ECP, is a treatment that works with the immune system. Find out more

How does extracorporeal photopheresis (ECP) work?

Discover how extracorporeal photopheresis (ECP) harnesses the power of the immune system

The exact mechanism of action is not known and continues to be investigated to be better understood.

What do I need to know before starting treatment?

If you have been prescribed a course of extracorporeal photopheresis (ecp), find out what you need to know before beginning treatment

Patient stories

Hear from patients who have undergone extracorporeal photopheresis treatments with the THERAKOSTM CELLEXTM Photopheresis System

FAQ

See our frequently-asked questions

THERAKOSTM Photopheresis Systems are CE marked for the administration of photopheresis.

The information provided in this website should not be used as a substitute for medical advice from a healthcare professional.

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Therakos does not review or control the content of non-Therakos websites, and this hyperlink does not constitute an endorsement by Therakos of the site’s content. Therakos privacy procedures do not apply to the owners of a non-Therakos website.

Important Safety Information
For the TherakosTM Photopheresis
Procedure

Indications

The THERAKOSTM CELLEXTM Photopheresis System is indicated for the administration of photopheresis. Please refer to the appropriate product labelling for a complete list of warnings and precautions.

Contraindications

THERAKOSTM Photopheresis is contraindicated in:

  • Patients possessing a specific history of a light sensitive disease.
  • Patients who cannot tolerate extracorporeal volume loss or who have white blood cell counts greater than 25,000 / mm3.
  • Patients who have coagulation disorders or who have previously had a splenectomy.

Warnings and Precautions

THERAKOSTM Photopheresis treatments should always be performed in locations where standard medical emergency equipment is available. Volume replacement fluids and/or volume expanders should be readily available throughout the procedure. Safety in children has not been established.

  • Do not expose the device to a magnetic resonance (MR) environment. The device may present a risk of projectile injury, and thermal injury and burns may occur. The device may generate artifacts in the MR image, or may not function properly.
  • Thromboembolic events, including pulmonary embolism and deep vein thrombosis, have been reported in the treatment of Graft versus Host Disease (GvHD). Special attention to adequate anticoagulation is advised when treating patients with GvHD.
  • When prescribing and administering THERAKOSTM Photopheresis for patients receiving concomitant therapy, exercise caution when changing treatment schedules to avoid increased disease activity that may be caused by abrupt withdrawal of previous therapy.

Adverse Events

  • Hypotension may occur during any treatment involving extracorporeal circulation. Closely monitor the patient during the entire treatment for hypotension.
  • Transient pyretic reactions, 37.7–38.9°C (100–102°F), have been observed in some patients within six to eight hours of reinfusion of the photoactivated leukocyte-enriched blood. A temporary increase in erythroderma may accompany the pyretic reaction.
  • Treatment frequency exceeding labelling recommendations may result in anaemia.
  • Venous access carries a small risk of infection and pain.

Please refer to the THERAKOSTM CELLEXTM Photopheresis System Operator Manual for a complete list of warnings and precautions.

IMPORTANT SAFETY INFORMATION FOR METHOXSALEN USED IN CONJUNCTION WITH THERAKOSTM PHOTOPHERESIS

Contraindications

Methoxsalen is contraindicated in:

  • Patients exhibiting idiosyncratic or hypersensitivity reactions to methoxsalen, psoralen compounds, or any of the excipients
  • Patients with co-existing melanoma, basal cell or squamous cell skin carcinoma
  • Patients who are pregnant, and sexually active men and women of childbearing potential unless adequate contraception is used during treatment
  • Patients with aphakia because of the significantly increased risk of retinal damage due to the absence of a lens

Warnings and Precautions

  • Special care should be exercised in treating patients who are receiving concomitant therapy (either topically or systemically) with known photosensitizing agents.
  • Oral administration of methoxsalen followed by cutaneous UVA exposure (PUVA therapy) is carcinogenic.
  • Patients should be told emphatically to wear UVA absorbing, wrap-around sunglasses for twenty-four (24) hours after methoxsalen treatment. They should wear these glasses any time they are exposed to direct or indirect sunlight, whether they are outdoors or exposed through a window.
  • Safety in children has not been established.

Refer to the package insert for methoxsalen sterile solution (20 micrograms / mL) or the oral 8-methoxypsoralen dosage formulation for a list of all warnings and precautions.

Please refer to the THERAKOSTM CELLEXTM Photopheresis System Operator Manual for a complete list of warnings, precautions and adverse events.

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If you are a French resident, please visit www.therakos.fr

Applications for the 2022 EIA are now closed.
The 2022 ECP Immunomodulation Investigator Award has been awarded to Professor Andrew Fisher, Professor of Respiratory Transplant Medicine at Newcastle University, and Honorary Consultant Respiratory and Transplant Physician at The Newcastle upon Tyne Hospitals NHS Foundation Trust's Institute of Transplantation. The objective of his project is to perform an in depth mechanistic assessment of Extracorporeal Photopheresis (ECP) treatment in patients suffering from Chronic lung Allograft Dysfunction (CLAD).

Full details are available on our press release page.

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