Case Report: Repigmentation and complete hair regrowth in an 11-year-old preadolescent with alopecia totalis treated with a JAK inhibitor - Scorecard - MDSpire

Case Report: Repigmentation and complete hair regrowth in an 11-year-old preadolescent with alopecia totalis treated with a JAK inhibitor

  • By

  • Yanhong Jia

  • Xue Wang

  • Yuanxiang Liu

  • Zigang Xu

  • Bin Zhang

  • July 16, 2026

Share

Clinical Scorecard: Case Study: Complete Hair Regrowth and Repigmentation in an 11-Year-Old with Alopecia Totalis Following JAK Inhibitor Treatment

At a Glance

CategoryDetail
ConditionAlopecia areata
Key MechanismsJAK inhibitors targeting JAK1/2 and JAK3/TEC
Target PopulationPediatric patients with severe alopecia areata
Care SettingDermatology clinic

Key Highlights

  • Complete hair regrowth and repigmentation observed in an 11-year-old girl with alopecia totalis.
  • Initial treatment with baricitinib led to SALT 65% with predominantly white and gray hair.
  • Switching to ritlecitinib resulted in black hair emergence at 6 weeks and complete regrowth at 6 months.
  • Family Dermatology Life Quality Index (FDLQI) improved from 18 to 4.
  • No significant adverse effects reported during treatment.

Guideline-Based Recommendations

Diagnosis

  • Diagnosis of alopecia areata confirmed through clinical evaluation.

Management

  • Initial treatment with baricitinib followed by ritlecitinib for incomplete response.

Monitoring & Follow-up

  • Regular monthly follow-up visits to monitor hair regrowth and side effects.

Risks

  • No significant side effects reported; laboratory tests remained within normal limits.

Patient & Prescribing Data

Children with severe alopecia areata, specifically alopecia totalis.

Sequential JAK inhibitor therapy may facilitate hair regrowth and pigment restoration.

Clinical Best Practices

  • Consider JAK inhibitors for severe cases of alopecia areata in pediatric patients.
  • Monitor quality of life using validated instruments like FDLQI.

Related Resources & Content

Original Source(s)

Case Report: Repigmentation and complete hair regrowth in an 11-year-old preadolescent with alopecia totalis treated with a JAK inhibitor

  • by Yanhong Jia, Xue Wang, Yuanxiang Liu, Zigang Xu, Bin Zhang

  • July 16, 2026

Related Content

Medical Oddities: Can a Home Be Preventive Care?

This week’s medical plot twists involved ants, architecture, and auditory hallucinations.

Large language models provide unsafe answers to patient-posed medical questions

More Than 145 Dana-Farber Affiliated Faculty Named as 2026 Top Doctors™ in Boston Magazine

Boston magazine has named more than 145 physicians affiliated with Dana-Farber Cancer Institute to its annual "Top Doctors" guide. Drawing from a Castle Connolly Medical Ltd. physician database, the Boston magazine Top Doctors™ list draws from hundreds of Boston-area physicians in many medical specialties

  • January 27, 2026

  • 6 min