Wednesday, September 4th, 24
14:00 – 16:45
DKG/IVDK Symposium
14:00 – 16:45
ICDRG Symposium
14:00 – 16:45
ACDS Symposium
Updates in Implant Dermatitis from the North American Contact Dermatitis Group
Amber Atwater
Important Allergens and Considerations in Children
Kari Martin
Allergic contact dermatitis in the atopic dermatitis patient: patch testing considerations and important allergens
Jennifer Chen
Improving the Patient Experience: Contact Allergy Management Program (CAMP)
Margo Reeder
Hot New Social Media Influenced Trends in Contact Dermatitis
Marjorie Montanez-Wiscovich
Patch Testing on Immunosuppressants. Cases and new NACDG consensus guidelines
JiaDe Yu
17:00 – 17:15
Opening Ceremony
Jeanne Duus Johansen, Copenhagen (President of the ESCD)
Andrea Bauer, Dresden (Congress president)
17:15 – 18:30
Jadassohn lecture, Wahlberg lecture
Thursday, September 5th, 24
09:00 – 10:00
Plenary 1:
What is new in contact allergy?
Chairs: Mark Wilkinson, Leeds /Jonathan White, London / Richard Brans, Osnabrück
Lectures
09:00
Diagnostic tools – Jonathan White, London
09:20
Prevention – Richard Brans, Osnabrück
09:40
Allergens: what’s new? – Mark Wilkinson, Leeds
10:05 – 11:20
FS1: Molecular profile of hand eczema
Chair: Anna Quaade, Copenhagen / Florentine de Boer, Amsterdam
Transcriptomic profiling of chronic hand eczema skin across subtypes
Anna Sophie Quaade
Stratum corneum levels of immunological markers in patch test reactions to contact allergens and sodium lauryl sulphate
Florentine de Boer
Stratum corneum levels of filaggrin degradation products in patch test reactions to contact allergens and sodium lauryl sulphate
Ivone Jakasa
Eczema or psoriasis – New results of a cohort study using molecular diagnostics in hand dermatoses
Philipp Bentz
Transcriptional differences between vesicular hand eczema and atopic dermatitis
Angelique Voorberg
10:05 – 11:20
FS2: Preservatives
Chair: Olivier Aerts, Antwerp / Suzana Ljubojevic, Zagreb
10:05
“Para-preservatives” in cosmetics causing allergic contact dermatitis
An Goossens
10:25
Challenging clinical cases of contact dermatitis from preservatives (part 1)
Esen Özkaya
10:35
Contact allergy to preservatives in occupational settings
Mihaly Matura
10:55
Challenging clinical cases of contact dermatitis from preservatives (part 2)
Marie-Claude Houle
11:05
Discussion
10:05 – 11:20
FC1:
Chair: Henriette Rönsch, Dresden / Elke Weishaar, Heidelberg
10:05
Prevalence, risk factors, and prevention of occupational contact dermatitis among professional cleaners: a systematic review
Farnam Barati Sedeh
10:13
Allergic contact dermatitis from topical antibacterials/antiseptics between 1996 and 2023: A never-ending story of nitrofurazone in Turkey
Zeynep Keskinkaya
10:21
Changes in sensitisation patterns in Chronic Actinic Dermatitis: experience from a single centre over ten years
Ying Teo
10:29
Prevalence and incidence of hand eczema in healthcare workers: a systematic review and meta-analysis
Cara Bieck
10:37
A genome-wide association study of hand eczema identifies locus 20q13.33 and reveals genetic overlap with atopic dermatitis
Fieke Rosenberg
10:45
Epidemiological Study of Patients Patch Tested Under 16 Years Old from the GEIDAC Registry
Nidia Planella Fontanillas
10:53
Legislations and the current practices concerning risk assessment of skin sensitizers in the European Union: a comparative & survey study
Mathias Krogh Pedersen
11:01
Skin sensitization in the Spanish baseline patch test series by age group: a 2019-2023 multicentric prospective study
David Pesqué
11:09
The Sex-specific Association between Wet Work and Hand Eczema in the Dutch General Population: Application of a Job Exposure Matrix to the Lifelines Cohort Study
Marjolein Brands
11:50 – 13:05
FS3: Fragrances and hair cosmetics
Chair: Lina Hagvall, Göteborg / Wolfgang Uter, Erlangen
11:50
Repeated Open Application Test (ROAT) with Hydroperoxides of Linalool – Clinical Reactions
Jeanne Duus Johansen
12:06
Skin penetration of cosmetic chemicals visualised using imaging mass spectrometry
Lina Hagvall
12:22
Skin deep: the distribution
and effects of methylisothiazolinone (MI) and fragrances in the skin
Niamh O’Boyle
12:38
Hair cosmetics contact allergy, occupational and
non-occupational — trends since 1995 in central Europe
Wolfgang Uter
12:54
Antioxidant activity and skin sensitization of eugenol and isoeugenol: two sids of the same coin?
Elena Gimenz-Arnau
11:50 – 13:05
FS4: Allergic contact dermatitis versus atopic eczema: diagnostic perspectives
Chair: Anne-Birgitte Simonsen, Copenhagen / Margarida Goncalo, Coimbra
11:50
When to suspect ACD in patients with atopic dermatitis
David Pesqué
12:06
Main allergens responsible for CD in patients with atopic dermatitis
Olivier Aerts
12:22
Patch testing patients with atopic dermatitis – pitfalls and advice
Esen Özkaya
12:38
Immediate contact reactions in patients with atopic dermatitis
Margarida Goncalo
12:54
Proposal for a Pediatric European Baseline Series
Anne Birgitte Simonsen
11:50 – 13:05
FC2
Chair: Burkhard Kreft, Halle / Györgyi Ponyai, Budapest
11:50
Nickel Release Market Surveys in Europe and the United States
Katherine Heim
11:58
Multimorbidity in adults with atopic dermatitis in the Dutch general population
Leon Miltner
12:06
Evaluation of patients with positive patch test reactions to rubber additives: a retrospective cohort study from Turkey between 1996 and 2023
İbrahim Halil Aydoğdu
12:14
Long-term effectiveness and safety of dupilumab treatment in patients with moderate-to-severe atopic dermatitis: up to 5-year results from the BioDay registry
Marie-Louise Schuttelaar
12:22
Textile Dye Mix and Disperse Blue Mix: Co-sensitizations and cross-reactivities
Radoslaw Spiewak
12:30
Impurities in Brazilian propolis may cause an erratic increase of positive patch reactions: Results from a clinical epidemiological study in consecutive patients from three Swiss centres
Katharina Piontek
12:38
Frequency of contact sensitisations in Germany, Austria and Switzerland: a trend analysis based on data obtained with the DKG (German) baseline series from the Information Network of Departments of Dermatology (IVDK) from 2018 to 2022
Philipp Drewitz
12:46
Patch Testing with Out of Date Haptens
Rosemary Nixon
12:54
Prevalence and characteristics of skin reactions to diabetes medical devices in adults with type 1 diabetes in southern Sweden
Cecilia Svedman
14:00 – 15:00
Plenary 2:
Skin barrier, immunology and genetics of allergic contact dermatitis: an update
Chair: Charlotte Menne Bonefeld, Copenhagen / Sheila M McSweeney / Sanja Kezic, Amsterdam
Lectures:
14:00
Skin Barrier – Sanja Kezic, Amsterdam
14:20
Regulation, function and maintenance of local memory T cell responses to contact allergens – Charlotte Menne Bonefeld, Copenhagen
14:40
How can genetic investigations provide insights into environmentally triggered skin diseases? – Sheila McSweeney, London
15:05 – 16:20
FS5: Hand eczema
Chair: Peter Elsner, Jena / Sonja Molin, Kingston
15:05
Update on contact allergy patterns in hand eczema
Marie-Noëlle Crépy
15:21
Skin Microbioma in hand eczema
Line Nørreslet
15:37
Hand Eczema in Children
Sonja Molin
15:53
Reaching consensus on a core domain set for hand eczema therapeutic trials
Outcome Set- an Update
Henriette Rönsch
16:09
The role of contact allergens in hand eczema: evaluation in terms of frequency, clinical/occupational relevance, and sources of exposure
Yasemin Erdem
15:05 – 16:20
FS6: Allergic contact dermatitis in different bodysites
Chair: Mihaly Matura, Umeå, Sweden / Radoslaw Spiewak, Krakow
15:05
Causes of contact enanthema and eczema in and around the mouth
Radoslaw Spiewak
15:19
Anogenital Contact Eczema: Revealing Hidden Culprits and Recognizing Common Triggers
Suzana Ljubojevic
15:33
Common causes of contact eczema on the legs and feet
An Goossens
15:47
Contact allergy, distribution of symptoms without obvious local exposure
Mihaly Matura
16:01
Disease trends of hand and foot eczema and contact dermatitis in Singapore across a 15-year period
Christian Apfelbacher
16:11
Discussion
15:05 – 16:20
EDU1: Routine patch testing
Chair: Magnus Bruze, Lund
Crucial factors in the reliability of patch tests
Mihaly Matura
How to assess clinical relevance
Magnus Bruze
Stability of patch test preparations
Martin Mowitz
Friday, September 6th, 24
09:00 – 10:00
Plenary 3:
New perspectives in eczema treatment: biologicals, small molecules and patient related outcomes
Chair: Andrea Bauer, Dresden / Annice Heratizadeh, Hannover / Christian Apfelbacher, Magdeburg
Lectures:
09:00
Hand eczema – Andrea Bauer, Dresden
09:20
Atopic eczema – Annice Heratizadeh, Hannover
09:40
Patient related outcomes – Christian Apfelbacher, Magdeburg
10:05 – 11:20
FS7: Resins and acrylates
Chair: Kristiina Aalto-Korte, Helsinki / Elena Gimenez-Arnau, Strasbourg
10:05
2-Hydroxyethyl methacrylate: A clinical review of contact allergy and allergic contact dermatitis
Thomas Rustemeyer
10:27
Adverse skin reactions to medical devices used for individuals with diabetes – an update
Cecilia Svedman
10:49
Nine years of patch testing isocyanates in a clinic of occupational dermatology
Kristiina Aalto-Korte
11:11
Allergic contact dermatitis from acrylates in hygiene pads and diapers
Joana Xara
10:05 – 11:20
FS8: Textiles, footwear
Chair: Esen Özkaya, Istanbul / Katharina Hansel, Perugia
10:05
Current status in textile dermatitis
Marléne Isaksson
10:25
Examples of challenging cases of textile dermatitis & Allergic contact dermatitis to textile dyes misdiagnosed as atopic dermatitis
David Pesqué & Katharina Hansel
10:35
Current status in footwear dermatitis
An Goossens
10:55
Examples of challenging cases of footwear dermatitis
Olivier Aerts & Esen Özkaya
11:10
Patch testing with a textile dye mix without Disperse Orange 3, a multicentre study within the International Contact Dermatitis Research Group
Annarita Antelmi
10:05 – 11:20
Hot topic: Angioedema, urticaria and atopic dermatitis
Chair: Nicola Wagner, Erlangen / Stefan Beissert, Dresden
10:05
Allergic Contact Dermatitis and Atopy
Richard Brans
10:21
Systemic Therapy of Atopic Dermatitis in Children and Adolescents
Stefan Beissert
10:37
Angioedema
Petra Staubach
10:53
Urticaria, Differentialdiagnosis and Possible Pitfalls
Nicola Wagner
11:09
Health literacy in hand eczema and atopic dermatitis: Revealing the extent of the problem both in the general and the clinical population
Laura Loman
11:50 – 13:05
FS9: Type I Allergens
Chair: Monika Raulf, Bochum / Maria Pesonen, Helsinki
11:50
Occupational Type I allergy – relevant allergens and diagnostic tools
Monika Raulf
12:06
Protein contact dermatitis – triggers, diagnosis and management
Vera Mahler
12:22
Occupational contact urticaria due to diethylphthalate
Sari Suomela
12:38
Concomitant occupational contact urticaria/protein contact dermatitis, asthma and rhinitis
Maria Pesonen
12:54
Characterization of clinical phenotypes in contact urticaria syndrome: a retrospective study of 95 cases
David Pesqué
11:50 – 13:05
FS10: Metals and implants
Chair: Peter Thomas, München / Malin Ahlström, Copenhagen
11:50
Metal contact allergy: General aspects
Malin Ahlström
12:06
Components of orthopaedic-surgical metal implants, metal release, biomechanics
Thomas Grupp
12:22
Relevance of proven metal allergy in relation to implant complication
Thomas Rustemeyer
12:38
Metal implant allergy: trends and perspectives
Peter Thomas
12:54
Patch Testing Outcomes and Clinical Management in Suspected Metal Hypersensitivity to Prosthetic Material: A Retrospective Unicentric Study
João Teixeira
11:50 – 13:05
FC3:
Chair: Kathryn Zug, Dartmouth / Mette Sommerlund, Arhus
11:50
Hand eczema, skin barrier function and skin microbiome among waste sorting workers in Norway
Jose Hernan Alfonso
11:58
Contact allergy to screening allergens in adult type 1 diabetes patients
Thanisorn Sukakul
12:06
Contact allergy to medical device-related allergens in adults with type 1 diabetes
Martin Mowitz
12:14
Update on allergens in accelerator free gloves and results of chemical analysis of gloves by tandem mass spectrometry
Eddy Langlois
12:22
Relevance of contact allergy to different groups of allergens
Robert Ofenloch
12:30
Is it possible to design a study in consecutive dermatitis patients to pin-point or rule out patch test sensitization
Marléne Isaksson
12:38
AI Implementation and Regulation: What’s next? A US perspective
James Taylor
12:46
Interference of the positioning of Nickel, Chromium and Cobalt in the results of patch tests
Ida Duarte
12:54
Determining a point of departure for skin sensitization quantitative risk assessment of fragrance ingredients using the GARDskin dose-response assay
Isabell Lee
14:00 – 15:00
Plenary 4:
Patch test: legal aspects, labelling regulation and availability of patch test materials
Chair: Vera Mahler, Langen / Jeanne Duus Johansen, Copenhagen / Swen Malte John, Osnabrück
Lectures:
14:00
Legal aspects – Vera Mahler, Langen
14:20
Availability of patch test materials – Swen Malte John, Osnabrück
14:40
Labelling regulations – Jeanne Duus Johansen, Copenhagen
15:05 – 16:20
FS11: Drugs
Chair: Luca Stingeni, Perugia / Knut Brockow, München
15:05
Value of skin tests to diagnose drug exanthems
Margarida Goncalo
15:20
Manifestations and diagnosis of corticosteroid allergy
Luca Stingeni
15:35
Management of iodinated contrast media hypersensitivity
Knut Brockow
15:50
Updated standards for drug provocation tests
Kathrin Scherer Hofmeier
16:05
Decoding Beta-Lactam cross reactivity – Longitudinal Patch Testing updated from 2000-2022
Joao Soares
15:05 – 16:20
FS12: Occupational contact dermatitis: skin risk occupations
Chair: Cecilia Svedman, Malmö / Joel DeKoven, Toronto
15:05
Occupational skin disease in healthcare personnel
Nils Hamnerius
15:21
Risk occupation, protective equipment. The armed forces; adhesive allergic contact dermatitis
Jakob Dahlin
15:37
Quality of patch testing patient´s own material-what could be improved
Katja Dicke
15:53
Cleaners’ and HCWs’ ability to recognize hand eczema
Kristina Ibler
16:09
The correlation between self-reported hand eczema and clinically based diagnosis in professional cleaners
Farnam Barati Sedah
15:05 – 16:20
EDU2: How to patch test individual substances?
Chair: Elke Weishaar, Heidelberg / Vera Mahler, Langen
Saturday, September 7th, 24
09:00 – 10:00
Plenary 5:
Contact allergy in different age groups and special localisations
Chair: Ian White, London / Marie-Louise Schuttelaar, Groningen
Lectures:
09:00
Contact allergy across the human lifespan – Ian White, London
09:20
Facial contact dermatitis – Marie-Louise Schuttelaar, Groningen
09:40
Occupational allergic contact dermatitis – affected age groups and body sites – Richard Brans, Osnabrück
10:05 – 11:20
FS13: Occupational contact dermatitis: allergens and exposures
Chair: Richard Brans, Osnabrück / Katri Suuronen, Helsinki
10:05
Exposure to contact allergens in hairdressers
Cara Bieck
10:21
Characterization of patients with occupational allergy to two new epoxy hardener compounds
Sari Suomela
10:37
Acrylates in artificial nails: can we rely on the listed ingredients?
Katri Suuronen
10:53
Contact allergies in construction workers: new and ongoing challenges
Jakob Dahlin
11:09
Contact dermatitis in food handlers in Trieste (Northern Italy)
Francesa Larese Filon
10:05 – 11:20
Hot topic: Cosmetics – clinical problems and risk assessment
Chair: An Gossens, Leuven / Pieter-Jan Coenraads, Groningen
10:05
A very short intro to cosmetic sensitisation
Pieter-Jan Coenraads
10:20
Read my lips: 10 challenging cases of allergic contact cheilitis
Olivier Aerts
10:35
Sensitizers in cosmetics-perspective of a risk assessor
Petra Kern
10:50
Polished perils: allergic contact dermatitis caused by nail cosmetics
Angelique Voorberg
11:05
Sensitizing impurities and additives found in cosmetic raw materials
Ewa Daniel
10:05 – 11:20
EDU3: How to diagnose contact uricaria and protein contact dermatitis
Chair: Ana Gimenez-Arnau, Barcelona
10:05
Epidemiology and Occupational relevance of the CUS
Jose Hernan Alfonso
10:21
Contact Urticaria, diagnosis and management
Mojca Bizjak
10:37
Protein Contact Dermatitis diagnosis and management
Charlotte Gotthard Mortz
10:53
Update on CUS clinical diagnosis, relevant triggers and treatment
Ana Gimenez-Arnau
11:09
Discussion
11:50 – 13:05
FS14: Rubber
Chair: Jakob Schwensen, Copenhagen / Marie-Noëlle Crépy, Paris
11:50
Rubbers accelerators: occupational contact dermatitis and high risk occupations
Jakob Schwensen
12:05
Update on rubber gloves allergens
Marie-Noëlle Crépy
12:20
Cross-reactivity between thiurams and dithiocarbamates
Christoffer Kursawe Larsen
12:35
CEDMC, a new contact allergen in nitrile gloves
Ola Bergendorff
12:50
How to assess suitability of protective gloves against plastic chemicals?
Katri Suuronen
11:50 – 13:05
FS15: Tattoos
Chair: Steffen Schubert, Göttingen / Thomas Rustemeyer, Amsterdam
11:50
Adverse reactions to tattoos – clinical pictures
Thomas Rustemeyer
12:05
Tattoos inks – hazards, biodistribution and effects of irradiation
Ines Schreiver
12:20
The DKG tattoo series
Steffen Schubert
12:35
Patch testing pigments and decomposition products thereof in patients with suspected pigment allergy
Norbert Ipenburg
12:50
Tracking nickel-specific T cells in skin biopsies – a new way to established clinical relevance and to evaluate patch test reactions
Katherina Siewert
11:50 – 13:05
ESSCA / EBS working group meeting
Chair: Wolfgang Uter, Erlangen / Olivier Aerts, Antwerp
The European Surveillance System on Contact Allergies (ESSCA): current contribution and challenges
Wolfgang Uter
The European Baseline Series (EBS) working group behind the scenes: Who We Are, What We Do, and How We Excel
Olivier Aerts