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GlossaryJanus Kinase Inhibitors

medications that block enzymes involved in immune response signaling

Janus Kinase Inhibitors, often referred to as JAK inhibitors, are a class of medications that block the activity of Janus kinases, which are enzymes involved in the signaling pathways that regulate immune responses and inflammation. By inhibiting these enzymes, JAK inhibitors can help manage conditions like rheumatoid arthritis, psoriasis, and certain types of alopecia, where the immune system mistakenly attacks the body's own tissues.

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Research

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research Efficacy and safety of deuruxolitinib, an oral selective Janus kinase 1/2 inhibitor, in adults with alopecia areata: Results from the THRIVE-AA2 Phase 3, randomized, double-blind, controlled trial

2 citations , November 2025 in “Journal of the American Academy of Dermatology”

Deuruxolitinib effectively regrows hair in adults with alopecia areata and is well tolerated.

Tofacitinib (Selective Janus Kinase Inhibitor 1 and 3): A Promising Therapy for the Treatment of Alopecia Areata: A Case Report of Six Patients

research Tofacitinib (Selective Janus Kinase Inhibitor 1 and 3): A promising therapy for the treatment of alopecia areata: A case report of six patients

24 citations , January 2018 in “International Journal of Trichology”

Tofacitinib helped regrow hair in patients with alopecia, with few side effects.

research The Janus kinase 1 inhibitor abrocitinib for the treatment of oral lichen planus

7 citations , March 2023 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”

Forecasting Phase 3 Dose-Response for Abrocitinib, an Oral Janus Kinase 1 Selective Inhibitor, Using Investigator’s Global Assessment and Eczema Area and Severity Index

research 170 Forecasting Phase 3 Dose-Response for Abrocitinib, an Oral Janus Kinase 1 Selective Inhibitor, Using Investigator’s Global Assessment and Eczema Area and Severity Index

September 2019 in “Journal of Investigative Dermatology”

Abrocitinib at 100 mg and 200 mg daily may significantly improve moderate-to-severe atopic dermatitis in patients 12 years and older.

Off-Label Use of Biologics and Janus Kinase Inhibitors for Scarring Alopecias: A Narrative Review

research Off-label use of biologics and janus kinase (JAK) inhibitors for scarring alopecias: a narrative review

3 citations , June 2025 in “Archives of Dermatological Research”

Biologics and JAK inhibitors may improve treatment for scarring alopecias.

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community Is it ok to take Xeljanz (A jak inhibitor) while taking finasteride?

in Finasteride 2 upvotes 9 years ago

The conversation is about whether it is safe to take Xeljanz, a JAK inhibitor, while also taking finasteride for hair loss. The concern is that Xeljanz weakens the immune system, which could be risky.

community What else is good. Besides the big 3.

in Chat 35 upvotes 1 year ago

Key treatments for hair preservation include minoxidil, finasteride/dutasteride, and microneedling, with additional options like specific shampoos, oils, biotin, zinc, tretinoin, clascoterone, and low-level laser therapy. Maintaining a healthy lifestyle, reducing stress, and addressing nutrient deficiencies can also support hair health.

Compressed part of research of theory of androgenic/anabolitic balance. AGA h-responders analytic. Theory of physio-metabolitic method of anti AGA treatment

community Compressed part of research of theory of androgenic/anabolitic balance. AGA h-responders analytic. Theory of physio-metabolitic method of anti AGA treatment

in Research 865 upvotes 1 year ago

The treatment for androgenetic alopecia involves using finasteride and minoxidil with intense exercise and cold exposure to boost metabolism and reduce androgenic effects, potentially leading to hair regrowth. This approach may activate biological pathways for improved hair and overall health.

community Novel Formulation To Put An End To Hair Loss Once And For All.

in Research/Science 118 upvotes 8 months ago

A pharmacy student proposed a hair loss treatment using minoxidil, finasteride, clascoterone, and tretinoin, aiming for high effectiveness with minimal side effects. Reactions were mixed, with some questioning its feasibility and others showing interest.

community Article of all potential future cures

in Treatment 25 upvotes 1 year ago

Ritlecitinib and PP405 show promise for hair regrowth. Diagnosing the cause of hair loss is crucial before treatment.

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