17th International Paul-Ehrlich-Seminar – IPES 2026
Allergen Products for Diagnosis and Therapy: Regulation and Science
The International Paul-Ehrlich-Seminar (IPES) has been an expert forum of representatives from the scientific community, industry, patient organizations and regulatory agencies for more than 38 years. It aims to enable the exchange of thoughts concerning state-of-the-art topics regarding the regulation and science of commercial allergen products (including future aspects).
The 17th International Paul-Ehrlich-Seminar (IPES) will be held from 2 to 5 September 2026. It will take place at the City Hall in Langen (near Frankfurt, Germany), Südliche Ringstraße 77, 63225 Langen.
Main Topics
- Allergy Diagnostics – Medical Needs and Regulatory Advances
- Regulation of Allergen Products – State of the Art and New Developments
- Quality of Allergen Products
- Biomarkers and Outcome Measures
- Allergen Immunotherapy in Children
- Novel Developments in Allergen Immunotherapy
- Critical Factors and Recent Results of Clinical Trials in Allergen Immunotherapy
- Advances in Prevention and Treatment of Allergic Diseases – Innovations beyond AIT
- Real World Evidence, AI and HTA in Allergen Immunotherapy
Regulators are invited to join the Regulators’ networking breakfast, on 3 September 2026. Further information will be provided in due course.
Registration and Participation Fee
Registration will start on 1 February 2026 at the following link:
www.access-tickets.de/PEI/ipes2026/
Participation Fee
- Registration by 15 May 2026: 730 €
- Registration on or after 16 May 2026: 780 €
Participation fee includes welcome reception, lunch and social event.
Please note:
- Only a limited number of spots are available.
- Registration is only possible online and must be completed by 5 September 2026.
Registration and Participation Terms and Conditions
- All cancellation requests must be made in writing by sending a message to the conference secretariat (PEI-Seminar@pei.de).
- A 100% refund will be granted if the cancellation request is received by 31 July 2026.
- No refunds will be made for cancellations received on or after 1 August 2026.
- If the Congress is cancelled by IPES, registrants will receive a full refund (100%) of the participation fee.
- Refunds will be credited only to the person/entity who/which paid the original registration fee.
- Refunds will not be given for unattended events or early termination of attendance.
- IPES reserves the right to modify the programme. No refunds will be granted if the programme changes (including change of speakers).
- In the event that the Congress cannot be held or is postponed due to events beyond the control of IPES organizers (force majeure) or due to events which are not attributable to wrongful intent or gross negligence of the IPES organizers, IPES organizers cannot be held liable by attendees for any damages, costs or financial losses incurred, such as transportation costs, accommodation costs etc.
- IPES will collect and store all personal data exclusively for the preparation and execution of the Congress and not use the personal data for any other purposes. In the course of preparing for and executing the Congress, we may share contact details of attendees with third parties (e.g. hotel, technical support) that may use these details to contact attendees regarding activities at the Congress. Therefore, data may be passed on to third parties unless otherwise explicitly indicated by the attendee.
- The attendees hereby declare their consent to the creation of image, film and audio recordings during and related to the Congress and that this material can be shared and published within public reporting about the event and used on social networks (LinkedIn, Instagram, X, etc).
- For doctors in Germany: An application for recognition as a continuing medical education event has been submitted.
- These General Terms and Conditions are binding upon registration.
Accommodation
A limited room block has been pre-reserved at a special rate at the following hotels. Attendees should book rooms directly with the hotels.
Mercure Hotel Frankfurt Airport Langen
Single room incl. breakfast: 139 €
Double room incl. breakfast: 149 €
Room block reference: IPES 2026
Phone: +49 6103 9270
Email: Hb4g0-fo2@arcor.com
Website: all.accor.com/hotel/B4G0/index.de.shtml
Coffee Fellows Airport Hotel Langen
Business or standard single room including breakfast: 74.80 €
Room block reference: IPES 2026
Phone: +49 6103 8707940
Email: frankfurt-airport@coffee-fellows-hotels.com
Website: www.coffee-fellows.com/hotel/hotel-frankfurt-airport
Contact
PD Dr Birgit Ahrens
Julia Behrendt
Anja Kammerer
Daria Niedzwiedz
Email: PEI-Seminar@pei.de
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