Alopecia totalis is the loss of all hair on the head and face. Its causes are unclear, but believed to be autoimmune. Research suggests there may be a genetic component linked to developing alopecia totalis; the presence of DRB1*0401 and DQB1*0301, both of which are Human Leukocyte Antigens (HLA), were found to be associated with long-standing alopecia totalis. Treatment
Methotrexate and corticosteroids are proposed treatments.Scalp cooling has specifically been used to prevent alopecia in docetaxel chemotherapy, although it has been found prophylactic in other regimens as well. Treatment effects may take time to resolve, with one study showing breast cancer survivors wearing wigs up to 2 years after chemotherapy. See also
Alopecia areata
Alopecia universalis

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Based on its mechanism of action, treatment with may pose a risk to reproductive capacity. Pharmacology
Faricimab is a 150kDa-sized bispecific antibody whose molecular structure allows a high affinity bond to both vascular endothelial growth factor A (VEGF-A) and Angiopoietin (Ang-2). By blocking the action of these two growth factors, faricimab decreases migration and replication of endothelial cells allowing for stabilization of vascular structures, thereby decreasing vascular leakage. Faricimab has shown improved and sustained efficacy in comparison to agents that only target the VEGF pathway. History
In 2016, pre-clinical studies looking at the mechanism of action behind faricimab showed that by blocking Ang-2, one of the drugs targets, there was decreased endothelial barrier breakdown in blood vessels. In 2017, phase I studies in neovascular age related macular degeneration (nAMD) showed that the drug was safe to use in people and well tolerated. Society and culture
Legal status
On 21 July 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 for the medicinal product Vabysmo, intended for the treatment of neovascular age-related macular degeneration (nAMD) and diabetic macular oedema (DME). The applicant for this medicinal product is Roche Registration GmbH. Faricimab was approved for medical use in the European Union in September 2022. Names
Faricimab is the International Nonproprietary Name (INN). Faricimab was formerly named RG7716.