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Tabelecleucel, sold under the brand name Ebvallo, is a medication used for the treatment of Epstein-Barr virus positive post-transplant lymphoproliferative disease (EBV+ PTLD). Tabelecleucel is an allogeneic, EBV-specific T-cell immunotherapy which targets and eliminates EBV-infected cells in a human leukocyte antigen (HLA)-restricted manner. It is made of cells of the immune system called T-cells that have been taken from the recipient (allogeneic) and are then mixed with EBV-infected B-cells from the same donor.

The most common side effects include fever, diarrhea, tiredness, nausea (feeling sick), anemia (low levels of red blood cells), decreased appetite, hyponatremia (low blood sodium levels), abdominal (belly) pain, low levels of white blood cells, including neutrophils (white blood cells that fights infections), increased blood levels of aspartate aminotransferase, alanine aminotransferase and alkaline phosphatase (signs of possible liver damage), constipation, hypoxia (low blood oxygen levels), dehydration, hypotension (low blood pressure), nasal congestion and rash.

Tabelecleucel was approved for medical use in the European Union in December 2022.

Medical uses

Tabelecleucel is indicated as monotherapy for treatment of people aged two years of age and older with relapsed or refractory Epstein-Barr virus positive post-transplant lymphoproliferative disease (EBV+ PTLD) who have received at least one prior therapy.

Post-transplant lymphoproliferative disorder

People who have undergone organ transplantation are routinely treated with immunosuppressive drugs to prevent transplant rejection. As a result of the treatment, some people develop Epstein-Barr virus (EBV) associated post-transplant lymphoproliferative disorder (PTLD) in which white blood cells become infected with EBV and which in turn triggers excessive division of those cells. PTLD is initially non-cancerous, but can progress to cancerous Hodgkin lymphoma. First-line treatments of PTLD include monoclonal antibodies such as rituximab and chemotherapy if cancer has developed.

Adverse effects

The most common side effects are fever, diarrhea, tiredness, feeling sick, low levels of red blood cells, decreased appetite and low blood sodium levels.

History

The EMA recommendation is based on the results of an ongoing multicenter, phase III, single-arm, open-label clinical trial. The study investigated the efficacy and safety of tabelecleucel in 43 participants with relapsed/refractory EBV+ PTLD who had received at least one prior therapy.

Society and culture

Legal status

On 13 October 2022, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) adopted a positive opinion, recommending the granting of a marketing authorization under exceptional circumstances for the medicinal product Ebvallo, intended for the treatment of Epstein-Barr virus positive post-transplant lymphoproliferative disease (EBV+ PTLD). As Ebvallo is an advanced therapy medicinal product, the CHMP positive opinion is based on an assessment by the Committee for Advanced Therapies. The applicant for this medicinal product is Atara Biotherapeutics Ireland Limited. Tabelecleucel was approved for medical use in the European Union in December 2022.

References

1. ^ "Ebvallo EPAR". European Medicines Agency (EMA). 12 October 2022. Retrieved 16 February 2023. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
2. ^ "Ebvallo: Pending EC decision". European Medicines Agency (EMA). 13 October 2022. Retrieved 14 October 2022. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
3. ^ "First therapy to treat transplant patients with post-transplant lymphoproliferative disease". European Medicines Agency (EMA) (Press release). 14 October 2022. Retrieved 14 October 2022. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
4. Allen UD, Preiksaitis JK (September 2019). "Post-transplant lymphoproliferative disorders, Epstein-Barr virus infection, and disease in solid organ transplantation: Guidelines from the American Society of Transplantation Infectious Diseases Community of Practice". Clinical Transplantation. 33 (9): e13652. doi:10.1111/ctr.13652. PMID 31230381. S2CID 195327881.
5. DeStefano CB, Desai SH, Shenoy AG, Catlett JP (August 2018). "Management of post-transplant lymphoproliferative disorders". British Journal of Haematology. 182 (3): 330–343. doi:10.1111/bjh.15263. PMID 29741774.
6. Styczynski J, van der Velden W, Fox CP, Engelhard D, de la Camara R, Cordonnier C, et al. (July 2016). "Management of Epstein-Barr Virus infections and post-transplant lymphoproliferative disorders in patients after allogeneic hematopoietic stem cell transplantation: Sixth European Conference on Infections in Leukemia (ECIL-6) guidelines". Haematologica. 101 (7): 803–11. doi:10.3324/haematol.2016.144428. PMC 5004459. PMID 27365460.
7. "Ebvallo Product information". Union Register of medicinal products. Retrieved 3 March 2023.

External links

• "Tabelecleucel". NCI Thesaurus. National Cancer Institute.

• Medicine

• Cancer treatments
• Experimental antiviral drugs
• Orphan drugs