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Hope shines bright for hidradenitis suppurativa treatments


 

FROM THE EADV CONGRESS

Additional hidradenitis suppurativa (HS) treatments could be on the horizon with the news that both secukinumab and the investigational drug brepocitinib reduced the effects of the chronic and painful skin condition in separate trials.

Around 40%-50% of patients exhibited a clinical response to these agents at 16 weeks, a leading HS expert reported at the annual congress of the European Academy of Dermatology and Venereology.

Time in the spotlight for HS

Research into HS is “an incredibly active field at this moment,” said Alexa B. Kimball, MD, MPH, professor of dermatology, Harvard Medical School, and president and chief executive officer of Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center, Boston.

It’s “been great for advancing our understanding of the biology and the treatments that we will be able to use,” she said.

Dr. Alexa Kimball

During the late-breaking sessions at the annual EADV Congress, Dr. Kimball presented data from two trials – SUNSHINE and SUNRISE – that investigated the efficacy, safety and tolerability of the interleukin (IL) 17A inhibitor secukinumab (Cosentyx) versus placebo in the treatment of moderate to severe HS.

“This is only the second phase 3 program we have ever seen in HS and the first one since 2016,” Dr. Kimball said of the trials. It’s also the largest trial program in HS conducted to date, she added, “so it really is a milestone.”

The last big development was when adalimumab, a tumor necrosis factor (TNF) blocker, gained regulatory approval for HS in 2016, observed Neil Patel, PhD, MRCP, who leads the HS service at Imperial College Healthcare NHS Trust in London.

“Adalimumab has been very helpful for many patients, but not all patients respond, and others may respond initially but then the treatment starts to fail after a year or 2,” Dr. Patel said in an interview with this news organization.

“There is definitely a huge need for alternative medication for this condition, which still has a lack of effective treatment options,” added Dr. Patel, who was not involved in either of the studies.

“One major upside for secukinumab is that its safety profile is generally very good and familiarity in the dermatologic community is already well established,” Christopher Sayed, MD, said in a separate interview.

Dr. Christopher Sayed, department of dermatology, University of North Carolina at Chapel Hill.

Dr. Christopher Sayed

“This will make most providers very comfortable offering it as a potential treatment option sooner rather than later given that its efficacy has now been demonstrated in phase 3 trials,” added Dr. Sayed, associate professor of dermatology at the University of North Carolina at Chapel Hill.

Two identically designed trials

Altogether, SUNSHINE and SUNRISE enrolled just over 1,000 patients at 219 sites in 33 countries. Both trials were identical in their design: A 4-week run-in phase before a randomized, double-blind treatment phase that tested two dosing regimens of secukinumab (300 mg administered subcutaneously) every 2 or 4 weeks vs. placebo for 16 weeks. The trial continued after this time, with patients in the placebo arm re–randomly assigned to treatment with one of the two secukinumab regimens out to a year.

The primary endpoint was the percentage of patients achieving a Hidradenitis Suppurativa Clinical Response (HiSCR) after 16 weeks of treatment, with key secondary endpoints, which were abscess and inflammatory nodule (AN) count, occurrence of flares, and at least a 30% reduction in Patient’s Global Assessment of Skin Pain assessed using a numeric rating scale (NPRS30).

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