ECP Combination Study

Steroid Refractory GVHD

Steroid refractory GVHD, Extracorporeal photopheresis, Ibrutinib, Ruxolitinib, ECP

Extracorporeal photopheresis (ECP) offers an alternative to standard immunosuppression and shows an immunomodulatory rather than an immunosuppressive effect, which is associated with less toxicities and side effects. Additionally ECP has been shown to allow tapering of steroids and immunosuppressant agents which should be a goal of GvHD therapy. ECP has been used for the management of GvHD since first described in 1994 and as its use has continued over the decades. The treatment was incorporated into a number of guidelines as a second line therapy in steroid refractory or steroid dependent GvHD patients. As well as being used in addition and after steroids, it is also used in combination with CNI Inhibitors, MMF and other immunosuppressant agents. However, despite the current widespread use of ECP in the treatment of patients with GvHD, clinical data from randomized studies is limited and small prospective and retrospective trials are the main evidence base .This is also the case for other commonly used immunosuppressant agents, which have been used in GvHD since ECP was introduced. The systematic review concluded that ECP is an effective therapy for oral, skin, and liver SR-cGVHD, with modest activity in lung and gastrointestinal SR-cGVHD. In the USA Ibrutinib is the only FDA approved agent for second line cGvHD therapy once steroid therapy has failed and Ruxolitinib had been approved in the USA for the treatment of steroid refractory GvHD. While studies have shown the effectiveness and safety of ECP in GvHD treatment, there is limited data to show how it is being used in combination with the recently approved agents. Using existing registry data targeting centres where the newer agents are being used and enhancing the capture of treatment data we believe we can undertake a larger scale study, which will include the new treatment protocols. The aim of the current study is to improve the evidence basis on the potential benefit of ECP use as treatment of GVHD.

This is a Registry Based Study (RBS) designed to collect data on the treatment behaviour of acute and chronic GvHD after HSCT. The data collection will be based on the EBMT registry, which so far consists of two questionnaires (Forms A and B), mainly covering the primary disease diagnostics, the status before and at HSCT, the type of HSCT (donor status, preparative regimen etc) and the survival status. With a new questionnaire Form C, which will be similar in design as the current forms used in the registry, we aim at collecting more information and additional data on GvHD characteristics and treatment (schedule, combination, disease states) for both chronic and acute GvHD EBMT will work with the selected sites to facilitate the collection of additional data as specified in section 4. The data collected will all be retrospective and include up to 3 years of data covering 2017 onwards, from onset of GvHD that has failed to respond to steroids with a minimum data follow up of 6 months for acute and 1 year for chronic. Centres will be asked to select patients that meet the inclusion criteria and fill in Form C retrospectively. The amount of additional data required will depend on whether the centre selected fills in the more detailed Form B or the more minimum data set in Form A. Criteria for centre selection will be based on: * Centres that have expressed a willingness to participate in the study through a feasibility questionnaire that was sent out prior to the study or via Email confirmation * Centres who have responded through the feasibility questionnaire * Centres where there is prior knowledge of use of both Ruxolitinib/Ibrutinib and ECP or have responded as such in the feasibility questionnaire

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Belgium, Denmark, France, Germany, Greece, Israel, Italy, Poland, Romania, Russia, Spain, Sweden, Turkey (Türkiye), United Kingdom