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Biologic Use in Pediatric Patients With Hidradenitis Suppurativa: A Systematic Review
Muskaan Sachdeva1, Patrick Kim2, Asfandyar Mufti3
17938 Faculty of Medicine, University of Toronto, Canada.
Insights
Biologic therapies, particularly anti-TNF alpha inhibitors, show promise for treating pediatric Hidradenitis Suppurativa (HS). Most patients experienced partial or complete resolution with no reported adverse events, though larger trials are needed.
Area of Science:
- Dermatology
- Pediatric Rheumatology
- Immunology
Background:
- Hidradenitis Suppurativa (HS) is a chronic inflammatory skin condition affecting pediatric patients.
- Adalimumab is the only biologic currently approved for pediatric HS in North America.
- Limited data exists on the efficacy and safety of biologic treatments in this population.
Purpose of the Study:
- To systematically review and summarize the outcomes of biologic therapy in pediatric patients diagnosed with HS.
- To assess the effectiveness and safety profiles of different biologic agents used for HS in children and adolescents.
Main Methods:
- A systematic literature search was conducted using MEDLINE and EMBASE databases on September 18, 2020.
- Included studies focused on pediatric patients with HS treated with biologic agents.
- Data extraction focused on patient demographics, HS severity, biologic agents used, treatment outcomes, and adverse events.
Main Results:
- Fifteen studies involving 26 pediatric patients (mean age 15 ± 2.3 years) were analyzed.
- Tumor Necrosis Factor (TNF) alpha inhibitors were the most frequently used biologics (85.3%), primarily adalimumab and infliximab.
- Significant resolution rates were observed: 23.1% complete resolution and 73.1% partial resolution, with a mean time to resolution of 5.1 months. No adverse events were reported.
Conclusions:
- Biologic therapies, especially anti-TNF alpha agents, demonstrate potential efficacy in managing HS in pediatric patients.
- The current evidence base is limited by small study sizes and a lack of pediatric-specific clinical trials.
- Further large-scale, prospective studies are warranted to confirm the long-term effectiveness and safety of biologics for pediatric HS.
Background:
There is currently at least 1 biologic (adalimumab) approved in North America for treatment of Hidradenitis Suppurativa in the pediatric population. However, no reviews or clinical trials have specifically analyzed the effectiveness and safety data of biologic use in this population. The objective of this systematic review is to identify and summarize the outcomes of biologic therapy in pediatric patients with HS.
Methods:
MEDLINE and EMBASE databases were used to conduct the search on Sept 18, 2020.
Results:
The 15 included studies consisted of 26 patients, with the mean age of 15 ± 2.3 years. Females accounted for 53.8% (n = 14/26) of cases. The mean duration of HS prior to biologic initiation was 3.5 ± 2.9 years, with the majority having Hurley Stage II. The 26 patients received 34 biologics in total: 85.3% treated with TNF alpha inhibitors (adalimumab n = 17, infliximab n = 10, etanercept n = 1, unspecified n = 1), 5.9% with IL-12/23 inhibitors (ustekinumab n = 2), 5.9% with IL-1 inhibitors (i.e., anakinra n = 2) and 2.9% received IL-23 inhibitors (i.e., guselkumab n = 1) biologics. Of the 26 patients, 23.1% (n = 6/26) experienced complete resolution (CR), 73.1% (n = 19/26) experienced partial resolution (PR), and 3.8% (n = 1/26) had no resolution outcomes reported. The time to resolution of HS lesions after biologic initiation ranged from 10 days to 11.5 months (mean: 5.1 months). No adverse events were reported in the studies.
Conclusion:
Although anti-TNF alpha were the most common biologics used for HS in pediatric cases, large-scale trials specific to pediatric patients with HS are needed to confirm these findings.
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