Oral Isotretinoin as a Treatment for Hidradenitis Suppurativa

Overview of Hidradenitis Suppurativa

A recent retrospective study involving 25 patients suggests that oral isotretinoin may serve as a viable treatment option for select individuals suffering from hidradenitis suppurativa. This chronic skin condition, also known as acne inversa or Vernuiel’s Disease, is marked by recurrent, painful lumps forming beneath the skin.

These lumps typically occur in intertriginous regions—areas where skin rubs together, such as the armpits and groin. They are often attributed to infections caused by blockages in hair follicles. While many lumps resolve on their own, some may rupture, leading to a foul-smelling purulent discharge. The recurring nature of these episodes can result in scarring and the formation of fibrous tunnels between ruptured areas, complicating both healing and treatment.

Risk Factors and Impact of Hidradenitis Suppurativa

The precise reasons for the development of hidradenitis suppurativa remain unclear. However, it is known that women between puberty and the age of 40 are most frequently affected. Contributing risk factors include excess weight, stress, hormonal fluctuations, and hygiene practices. The cycle of infection and drainage can have debilitating effects, both physically and socially.

Treatment Options

Various treatment options are available, which vary based on symptom severity. Lifestyle modifications such as weight loss and stress management are commonly recommended alongside pharmaceutical interventions. In severe cases, surgical excision of infected areas may be warranted.

Isotretinoin: A Potential Therapy

Isotretinoin has traditionally been used for treating severe acne by reducing oil (sebum) production in skin glands. This action can halt the progression of acne that has not responded to topical treatments like antibiotics or benzoyl peroxide. Physicians have also been exploring the use of oral isotretinoin for hidradenitis suppurativa, with hopes that its oil-regulating properties can mitigate blockage and infection symptoms. However, the reported efficacy of this approach remains contentious.

Study Findings

The online journal Dermatology published a study detailing the potential benefits of isotretinoin for hidradenitis suppurativa. Between 2014 and 2016, 25 out of 79 patients with the condition were selected for oral isotretinoin therapy. Follow-up evaluations revealed that 17 of these patients experienced significant clinical improvement.

The study suggests that isotretinoin can be a beneficial treatment for specific patients with hidradenitis suppurativa—particularly those who are younger, have lower body weight, and maintain good hygiene.

Considerations and Conclusions

While the results are encouraging, there are important caveats: the study’s small sample size of 25 patients necessitates validation in larger cohorts. Additionally, isotretinoin is known for its potential side effects and risks, including birth defects, which should be carefully considered in future research regarding its use in managing hidradenitis suppurativa.

Reference

Huang, C.M., and Kirchhof, M.G. “A New Perspective on Isotretinoin Treatment of Hidradenitis Suppurativa: A Retrospective Chart Review of Patient Outcomes.” Dermatology 2017: DOI: 10.1159/0000477207.

Written by Jay Martin, M.D.