Activation of the Raf-MEK-ERK signaling pathway is known to be implemented in several types of malignancies, thus, mitogen-activated protein kinase kinase (MEK) inhibitors such as selumetinib are important tools that can target the problematic overactivity of this pathway.
Results from clinical trials investigating earlier developed MEK inhibitors were underwhelming. However, selumetinib demonstrated impressive efficacy and tolerability in Phase I trials, leading to its continued investigation for the treatment of various types of tumors in Phase II trials.
Currently, the novel MEK 1 / 2 inhibitor, selumetinib, is approved solely for the treatment of Neurofibromatosis type 1 (NF-1) in a limited age group. NF-1 is considered rare with an estimated incidence of 1/3000 individuals. It is a genetic, autosomal dominant condition resulting from mutations of the NF1 gene, which can lead to various complications including the development of multiple tumors in the nervous system. Some patients with this disorder develop plexiform neurofibromas (PN); however, this is considered to be relatively uncommon compared to other variants of NF-1. Luckily, the use of selumetinib in patients with NF-1 has shown efficacy in shrinking associated tumors and is linked to other positive clinical outcomes.
Although selumetinib has been investigated for the treatment of several types of cancer, it is currently only indicated for the treatment of neurofibromatosis type 1 (NF1) in patients β₯2 years who have symptomatic, inoperable plexiform neurofibromas (PN).
King's College Hospital, London, United Kingdom
Prinses Maxima Centrum Voor Kinderoncologie, Utrecht, Netherlands
Birmingham Children's Hospital, Birmingham, United Kingdom
M D Anderson Cancer Center, Houston, Texas, United States
Children's National Medical Center, Washington, District of Columbia, United States
National Cancer Institute, Bethesda, Maryland, United States
Johns Hopkins University, Baltimore, Maryland, United States
Dana Farber Cancer Institute, Boston, Massachusetts, United States
Duke University, Durham, North Carolina, United States
Massachusetts General Hospital, Boston, Massachusetts, United States
Great Ormond Street Hospital NHS Foundatin Trust, London, United Kingdom
Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
The University of Chicago, Chicago, Illinois, United States
Research Site, New Orleans, Louisiana, United States
Children's Healthcare of Atlanta - Arthur M Blank Hospital, Atlanta, Georgia, United States
Children's Hospital of Alabama, Birmingham, Alabama, United States
Banner Children's at Desert, Mesa, Arizona, United States
University of Texas MD Anderson Cancer Center, Houston, Texas, United States
Children's Hospital of Alabama, Birmingham, Alabama, United States
Providence Alaska Medical Center, Anchorage, Alaska, United States
Banner Children's at Desert, Mesa, Arizona, United States
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