Christopher Bunick, MD, PhD, is an associate professor of dermatology and physician-scientist at the Yale School of Medicine in New Haven, Connecticut, and Dermatology Times' 2025 editor in chief.
What Lies Ahead for GPP Diagnosis and Management
Panelists discuss how the future of generalized pustular psoriasis (GPP) diagnosis and management looks promising with emerging genetic testing for IL36RN mutations, development of multiple targeted biologics beyond IL-36 inhibitors, potential personalized treatment algorithms, improved disease classification, and enhanced multidisciplinary care approaches to better address this rare but severe dermatological condition.
Case 3: High-Risk Patient with GPP Treatment Approach
Panelists discuss how a high-risk patient with generalized pustular psoriasis requires a carefully tailored treatment approach that balances aggressive intervention to control acute flares with consideration of comorbidities, medication interactions, and long-term safety concerns, often necessitating multidisciplinary collaboration between dermatologists, intensivists, and other specialists.
Future Directions for IL-17 Inhibitors in Psoriasis and Psoriatic Arthritis Care
April 18th 2025Panelists discuss how medical professionals anticipate new IL-17 inhibitor data, particularly from head-to-head trials like BE BOLD. Interest is growing in sonelokimab, an IL-17A/F nanobody (Papp, 2021). Further research is needed on long-term efficacy, safety, and optimal patient selection.
Utility of Head-to-Head Studies in Psoriasis Management
April 18th 2025Panelists discuss how head-to-head trials in psoriasis provide direct efficacy and safety comparisons between IL-17 inhibitors and other drug classes. Studies like BE RADIANT, BE VIVID, and IXORA-R highlight bimekizumab’s and ixekizumab’s superiority over secukinumab and ustekinumab. CLARITY and COBRA compare IL-17 to IL-23 inhibitors, while IMMerge and BE BOLD explore risankizumab’s role. These trials inform treatment decisions by guiding biologic selection based on efficacy, durability, and safety.
Case 2: Poorly Managed GPP Flares and Effisayil 2 Trial Results
Panelists discuss how poorly managed generalized pustular psoriasis (GPP) flares can lead to recurrent hospitalizations and significant morbidity, while reviewing Effisayil 2 trial results that demonstrated the effectiveness of maintenance therapy in preventing flares and sustaining long-term disease control through targeted inhibition of the IL-36 pathway.
Case 1: Experts on a GPP Emergency Case and Effisayil 1 Trial Results
Panelists discuss how a generalized pustular psoriasis (GPP) emergency case highlights the rapid onset, systemic complications, and treatment challenges of this condition, while reviewing Effisayil 1 trial results that demonstrated spesolimab’s efficacy in quickly resolving pustulation through IL-36 pathway inhibition, representing a significant advancement in targeted therapy for acute flares.
Long-Term Efficacy and Safety of IL-17 Inhibitors in Psoriasis
April 11th 2025Panelists discuss how long-term data confirm the sustained efficacy and safety of IL-17 inhibitors in psoriasis. Secukinumab (Bissonnette, 2018; Langley, 2022) and ixekizumab (Blauvelt, 2021) show durable PASI responses over 5 years. Brodalumab’s 5-year pharmacovigilance (Lebwohl, 2024) and 120-week data (Puig, 2020) support its long-term use. Bimekizumab’s 4-year data (Blauvelt, 2024; Gordon, 2024) demonstrate continued efficacy, with 5-year results anticipated at AAD 2025.
Hepatic Safety of IL-17 Inhibitors in Patients With Psoriasis
April 11th 2025Panelists discuss how when prescribing an IL-17 inhibitor, key safety considerations include infection risk (particularly tuberculosis and fungal infections), inflammatory bowel disease exacerbation, allergic reactions, neutropenia, immunogenicity, vaccination timing, pregnancy/breastfeeding status, malignancy history, and monitoring requirements for adverse events.
Prior and Current Treatments for Patients With GPP
Panelists discuss how prior and current treatments for patients with generalized pustular psoriasis (GPP) have evolved from traditional systemic therapies with significant limitations to newer targeted biologics and small molecules that specifically address the underlying IL-36 pathway dysregulation, offering improved efficacy and safety profiles for this rare but severe condition.
Recognizing the Flares and Triggers of GPP
Panelists discuss how recognizing the flares and triggers of generalized pustular psoriasis requires vigilant monitoring for warning signs such as fever, malaise, and spreading erythema, while understanding that common precipitating factors include medication withdrawals, infections, pregnancy, and certain drugs that can rapidly transform stable disease into acute, potentially life-threatening episodes requiring immediate intervention.
Safety Considerations for IL-17 Inhibitors
April 4th 2025Panelists discuss how IL-17 inhibitors are generally well-tolerated, but common adverse effects include infections, particularly candidiasis, and potential increased suicidal ideation risk. Patients should be informed of candidiasis risk, especially with bimekizumab (Gordon, 2022), and monitored for mood changes, as IL-17s and IL-23s may impact mental health (Blauvelt, 2023). Open discussions help assess risks while ensuring treatment benefits.
Selecting and Dosing IL-17 Inhibitors in Psoriasis
April 4th 2025Panelists discuss how IL-17 inhibitors are considered for plaque psoriasis based on disease severity, comorbidities, and patient preference. Selection factors include efficacy, safety, access, and cost. Clinical trial data guide choices, but real-world factors impact use. Dosing varies: secukinumab (300 mg weekly for 5 weeks, then monthly), ixekizumab (160 mg at week 0, then 80 mg biweekly for 12 weeks, then monthly), brodalumab (210 mg weekly for 3 weeks, then biweekly), and bimekizumab (320 mg every 4 weeks for 16 weeks, then every 8 weeks). Dosing and device options influence prescribing decisions.
Quality of Life Impact: Supporting Patients With GPP
Panelists discuss how generalized pustular psoriasis (GPP) profoundly impacts patients’ quality of life through physical pain, psychological distress, social isolation, and functional limitations, necessitating comprehensive support systems that address both medical management and psychosocial well-being.
The Challenges of Diagnosis and Management of GPP
Panelists discuss how the diagnosis and management of generalized pustular psoriasis present significant challenges due to its rarity, complex presentation, potentially life-threatening complications, limited treatment options, and the need for multidisciplinary care approaches.
IL-17 Inhibitor Treatment Impact on Quality of Life in Psoriasis and Psoriatic Arthritis
March 28th 2025Panelists discuss how inhibition of IL-17 in psoriasis treatment significantly improves quality of life by reducing inflammation, skin lesions, itching, and pain. Patients report better psychological well-being, increased social confidence, and improved daily functioning as inflammatory pathways are interrupted.
Clinical Attributes of IL-17 Inhibitors in Psoriasis
March 28th 2025Panelists discuss how IL-17 inhibitors are biologics that target the inflammatory cytokine IL-17 pathway. They demonstrate rapid onset of action, with measurable improvement in most patients within 2 to 4 weeks and peak efficacy by 12 to 16 weeks. They achieve high rates of skin clearance in psoriasis patients and maintain efficacy with long-term use.
Clinical Experience and Diagnosis of GPP
Panelists discuss how clinical experience in diagnosing generalized pustular psoriasis (GPP) requires recognizing its hallmark features of widespread sterile pustules on inflamed skin, distinguishing it from other pustular conditions, and understanding the genetic mutations and triggers that can precipitate this rare but potentially life-threatening form of psoriasis.
The Prevalence and Characteristics of GPP
Panelists discuss how generalized pustular psoriasis (GPP), while rare, presents with distinctive widespread sterile pustules on erythematous skin, requires prompt medical intervention, and differs significantly from more common plaque psoriasis in its clinical presentation, triggers, and treatment approaches.
Mechanism of Action Differences Among IL-17 Inhibitors
March 21st 2025Panelists discuss how IL-17 inhibitors differ in their targets within the IL-17 pathway. Secukinumab and ixekizumab block IL-17A, reducing inflammation in psoriasis and arthritis. Brodalumab inhibits IL-17RA, affecting multiple IL-17 cytokines, but carries suicide risk warnings. Bimekizumab targets IL-17A and IL-17F, potentially enhancing efficacy but with added risk of infections. These differences impact efficacy, safety, and patient selection in inflammatory diseases.
The Role of IL-17 in Psoriasis Pathogenesis
March 21st 2025Panelists discuss how IL-17 is a key pro-inflammatory cytokine in plaque psoriasis pathogenesis. It stimulates keratinocyte proliferation, promotes neutrophil recruitment, induces antimicrobial peptides, and up-regulates other inflammatory mediators, creating a self-perpetuating inflammatory cascade in lesional skin.