Shanghai Xucheng Pharmatech Co. Ltd. has divulged retinoid acid receptor γ (RARγ) agonists reported to be useful for the treatment of acne, psoriasis, ichthyosis, keratosis, skin hyperpigmentation and dry eye.

Zhejiang Hisun Pharmaceutical Co. Ltd. and Shanghai Aryl Pharmtech Co. Ltd. have disclosed mitogen-activated protein kinase kinase kinase kinase 1 (MAP4K1) inhibitors reported to be useful for the treatment of systemic lupus erythematosus, psoriasis, inflammation and cancer.

Biocryst Pharmaceuticals Inc. has divulged kallikrein 5 (KLK5) inhibitors reported to be useful for the treatment of Netherton syndrome.

Shanghai Qilu Pharmaceutical Research and Development Centre Ltd. has described nonreceptor tyrosine-protein kinase TYK2 inhibitors reported to be useful for the treatment of psoriasis, asthma, type 1 diabetes, inflammatory bowel disease, gout, multiple sclerosis, rheumatoid arthritis and TNF receptor-associated periodic syndrome (TRAPS), among others.

Hand-foot syndrome (HFS), or palmoplantar erythrodysesthesia, is a dermatological toxicity produced by the fluoropyrimidine chemotherapy agents capecitabine and fluorouracil and affects 43-71% of patients.

The FDA has cleared Brexogen Inc. to initiate a phase I trial of BRE-AD01, an exosome-based therapy for atopic dermatitis.

Eli Lilly and Co. has synthesized new glucocorticoid receptor (GR) agonists reported to be useful for the treatment of atopic dermatitis and rheumatoid arthritis.

Keythera (Suzhou) Pharmaceuticals Co. Ltd. has divulged new tyrosine-protein kinase JAK3 inhibitors reported to be useful for the treatment of alopecia areata, rheumatoid arthritis, lupus erythematosus, inflammation, allergy, cancer, metabolic diseases and transplant rejection, among other disorders.