Clinical trial • Phase II • Dermatology

EVO756 POTASSIUM for Chronic spontaneous urticaria | Moderate to severe chronic spontaneous urticaria

Phase II trial of EVO756 POTASSIUM for Chronic spontaneous urticaria | Moderate to severe chronic spontaneous urticaria.

Overview

Trial Therapeutic Area
Dermatology
Trial Disease
Chronic spontaneous urticaria | Moderate to severe chronic spontaneous urticaria
Trial Stage
Phase II
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
28-02-2025
First CTIS Authorization Date
19-06-2025

Trial design

Randomised, placebo (oral tablet), dose/schedule not specified-controlled Phase II trial in Spain, Hungary, Poland and others.

Randomised
Yes
Comparator
PLACEBO (oral tablet), dose/schedule not specified
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
101
Trial Duration For Participant
84

Eligibility

Recruits 101 The trial indicates vulnerable population selection (isVulnerablePopulationSelected: true). Inclusion requires participants to be capable of providing written informed consent; participants must be adults (≥18). No assent procedures for minors are provided..

Vulnerable Population
The trial indicates vulnerable population selection (isVulnerablePopulationSelected: true). Inclusion requires participants to be capable of providing written informed consent; participants must be adults (≥18). No assent procedures for minors are provided.

Inclusion criteria

  • {"criterion_text":"- Male or female, ages ≥ 18 at Screening"}
  • {"criterion_text":"- Capable of providing written informed consent and willing and able to comply with study requirements"}
  • {"criterion_text":"- Confirmed CSU diagnosis for ≥ 3 months with an inadequate response to H1 antihistamines"}
  • {"criterion_text":"- Urticaria Activity Score (UAS7) ≥ 16 at Day 1, with completed UAS entries for a minimum of 4 out of the 7 days prior to Day 1"}
  • {"criterion_text":"- Subjects taking H1 antihistamines must be on a stable regimen 4 weeks prior to Day 1 and while on study."}

Exclusion criteria

  • {"criterion_text":"- Use of the following medications for the timeframes specified below and while on study: o\tBiologics (e.g., omalizumab, dupilumab, tezepelumab, ligelizumab) for 120 days or 5 half-lives (whichever is longer) prior to Day 1, o\tCyclosporine, methotrexate, sulfonamides, systemic glucocorticoids (e.g., prednisone), or mycophenolate for 28 days prior to Day 1, o\tLeukotriene inhibitors (e.g., montelukast, zafirlukast) for 14 days prior to Day 1 (if taken for CSU), o\tH2-receptor antagonists (e.g., ranitidine, famotidine) for 14 days prior to Day 1 (if taken for CSU)."}
  • {"criterion_text":"- History of diseases with urticaria or angioedema symptoms, other than CSU and symptomatic dermographism, such as urticarial vasculitis, erythema multiforme, cutaneous mastocytosis (urticaria pigmentosa), and hereditary or acquired angioedema."}
  • {"criterion_text":"- Any other skin disease that might confound the assessment of CSU in the Investigator's opinion."}
  • {"criterion_text":"- AST, ALT, alkaline phosphatase, or total bilirubin above the ULN at Screening."}
  • {"criterion_text":"- (No additional explicit exclusion criteria provided beyond those listed.)"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Mean change from baseline in UAS7 at Week 12","definition_or_measurement_approach":"Mean change from baseline in UAS7 score at Week 12"}

Secondary endpoints

  • {"endpoint_text":"- Percent change from baseline in UAS7 at Week 12","definition_or_measurement_approach":"Percent change from baseline in UAS7 at Week 12"}
  • {"endpoint_text":"- Mean and percent change from baseline in UAS7 at Weeks 1, 2, 4, 8","definition_or_measurement_approach":"Mean and percent change from baseline in UAS7 at Weeks 1, 2, 4, 8"}
  • {"endpoint_text":"- Mean and percent change from baseline in ISS7 at Weeks 1, 2, 4, 8, 12","definition_or_measurement_approach":"Mean and percent change from baseline in ISS7 at Weeks 1, 2, 4, 8, 12"}
  • {"endpoint_text":"- Mean and percent change from baseline in HSS7 at Weeks 1, 2, 4, 8, 12","definition_or_measurement_approach":"Mean and percent change from baseline in HSS7 at Weeks 1, 2, 4, 8, 12"}
  • {"endpoint_text":"- Mean and percent change from baseline in AAS7 at Weeks 1, 2, 4, 8, 12","definition_or_measurement_approach":"Mean and percent change from baseline in AAS7 at Weeks 1, 2, 4, 8, 12"}
  • {"endpoint_text":"- Proportion of subjects achieving UAS7 ≤ 6 and UAS7 = 0","definition_or_measurement_approach":"Proportion of subjects achieving specified UAS7 thresholds during treatment"}

Recruitment

Planned Sample Size
101
Recruitment Window Months
11
Consent Approach
Written informed consent by the participant (participants must be capable of providing written informed consent and are adults ≥18). Subject information and informed consent form (SIS and ICF) documents are provided; multiple language versions available (including English, Spanish, Bulgarian, Hungarian, Polish, German, Italian and localized versions). No assent for minors is described.

Methods

  • Flyer (patient-facing) - document titles include K2_Flyer and multiple localized flyer versions
  • Dr to Patient letter (K2_Dr to Patient letter) - used to inform patients via their treating physician
  • GP Letter (country-specific GP letters present e.g. K2_GP Letter)
  • Brochure (Bifold and Trifold) - patient-facing brochures (multiple language versions)
  • Inclusion/Exclusion card (K2_Inclusion Exclusion card) - quick eligibility summary
  • Study Participation Card / Patient Card (L2_Study Participation Card)
  • Recruitment arrangements documents (K1_Recruitment arrangements) including localized versions (e.g., DE, ITA, BGR)

Geography

Total Number Of Sites
38
Total Number Of Participants
63

Spain

Earliest CTIS Part Ii Submission Date
26-05-2025
Latest Decision Or Authorization Date
19-06-2025
Processing Time Days
24
Number Of Sites
10
Number Of Participants
17

Sites

Site Name
Hospital Universitario Regional De Malaga
Department Name
Allergy
Principal Investigator Name
Francisca Gomez Perez
Principal Investigator Email
estudios.clinicos@ibima.eu
Contact Person Name
Francisca Gomez Perez
Contact Person Email
estudios.clinicos@ibima.eu
Site Name
Hospital Clinico San Carlos
Department Name
Allergy
Principal Investigator Name
Montserrat Fernandez Rivas
Principal Investigator Email
mariamontserrat.fernandez@salud.madrid.org
Contact Person Name
Montserrat Fernandez Rivas
Site Name
Clínica de asma y alergia Dres. Ojeda
Department Name
Allergy
Principal Investigator Name
Pedro Ojeda
Principal Investigator Email
pedro.ojeda@clinicaojeda.es
Contact Person Name
Pedro Ojeda
Contact Person Email
pedro.ojeda@clinicaojeda.es
Site Name
Hospital Universitari Vall D Hebron
Department Name
Allergy
Principal Investigator Name
Moises Labrador Horrillo
Principal Investigator Email
moises.labrador@vallhebron.cat
Contact Person Name
Moises Labrador Horrillo
Contact Person Email
moises.labrador@vallhebron.cat
Site Name
Hospital Del Mar
Department Name
Dermatology
Principal Investigator Name
Ana Maria Gimenez Arnau
Principal Investigator Email
22505aga@comb.cat
Contact Person Name
Ana Maria Gimenez Arnau
Contact Person Email
22505aga@comb.cat
Site Name
Hospital Nuestra Senora De Sonsoles
Department Name
Allergy
Principal Investigator Name
Maria Aranzazu Jimenez Blanco
Principal Investigator Email
majimenezb@saludcastillayleon.es
Contact Person Name
Maria Aranzazu Jimenez Blanco
Site Name
Hospital De La Santa Creu I Sant Pau
Department Name
Dermatology
Principal Investigator Name
Jorge Luis Spertino
Principal Investigator Email
jspertino@santpau.cat
Contact Person Name
Jorge Luis Spertino
Contact Person Email
jspertino@santpau.cat
Site Name
Hospital Universitario De Salamanca
Department Name
Allergy
Principal Investigator Name
Francisco Javier Muñoz Bellido
Principal Investigator Email
fjmbellido@saludcastillayleon.es
Contact Person Name
Francisco Javier Muñoz Bellido
Site Name
Hospital Universitario Ramon Y Cajal
Department Name
Allergy
Principal Investigator Name
Laura Victoria Carpio Escalona
Principal Investigator Email
lauvce@gmail.com
Contact Person Name
Laura Victoria Carpio Escalona
Contact Person Email
lauvce@gmail.com
Site Name
Hospital Universitario De La Princesa
Department Name
Allergy
Principal Investigator Name
Carlos Blanco Guerra
Principal Investigator Email
alg.hlpr@salud.madrid.org
Contact Person Name
Carlos Blanco Guerra
Contact Person Email
alg.hlpr@salud.madrid.org

Hungary

Earliest CTIS Part Ii Submission Date
03-06-2025
Latest Decision Or Authorization Date
20-06-2025
Processing Time Days
17
Number Of Sites
4
Number Of Participants
8

Sites

Site Name
University Of Debrecen
Department Name
Dermatology
Principal Investigator Name
Andrea Szegedi
Principal Investigator Email
aszegedi@med.unideb.hu
Contact Person Name
Andrea Szegedi
Contact Person Email
aszegedi@med.unideb.hu
Site Name
Geomedical Kft.
Principal Investigator Name
Marta Foldes
Principal Investigator Email
drfoldesmarta@gmail.com
Contact Person Name
Marta Foldes
Contact Person Email
drfoldesmarta@gmail.com
Site Name
KomplexLabor Kft.
Principal Investigator Name
Doniz Degovics
Principal Investigator Email
degovicsd@hotmail.com
Contact Person Name
Doniz Degovics
Contact Person Email
degovicsd@hotmail.com
Site Name
University Of Szeged
Department Name
Dermatology
Principal Investigator Name
Zsuzsanna Bata
Principal Investigator Email
bata.zsuzsa@med.u-szeged.hu
Contact Person Name
Zsuzsanna Bata
Contact Person Email
bata.zsuzsa@med.u-szeged.hu

Poland

Earliest CTIS Part Ii Submission Date
23-05-2025
Latest Decision Or Authorization Date
24-06-2025
Processing Time Days
32
Number Of Sites
10
Number Of Participants
11

Sites

Site Name
Dr Sekowska Leczenie Bolu
Principal Investigator Name
Alicja Parysek Burdach
Principal Investigator Email
alicja.parysek@gmail.com
Contact Person Name
Alicja Parysek Burdach
Contact Person Email
alicja.parysek@gmail.com
Site Name
Vita Longa Sp. z o.o.
Principal Investigator Name
Elzbieta Meszynska
Principal Investigator Email
biuro@researchsolutions.pl
Contact Person Name
Elzbieta Meszynska
Contact Person Email
biuro@researchsolutions.pl
Site Name
Jagiellońskie Centrum Innowacji Sp. z o.o.
Principal Investigator Name
Magdalena Nastalek
Principal Investigator Email
nastalekmag@gmail.com
Contact Person Name
Magdalena Nastalek
Contact Person Email
nastalekmag@gmail.com
Site Name
Uniwersytecki Szpital Kliniczny im. Fryderyka Chopina w Rzeszowie
Department Name
Klinika Dermatologii
Principal Investigator Name
Reich Adam
Principal Investigator Email
adamandrzejreich@gmail.com
Contact Person Name
Reich Adam
Contact Person Email
adamandrzejreich@gmail.com
Site Name
Gyncentrum Sp. z o.o.
Principal Investigator Name
Marcin Zakrzewski
Principal Investigator Email
m.zemelka@holsaclinical.com
Contact Person Name
Marcin Zakrzewski
Contact Person Email
m.zemelka@holsaclinical.com
Site Name
Cityclinic Przychodnia Lekarsko-Psychologiczna Matusiak sp.p.
Principal Investigator Name
Jacek Szepietowski
Principal Investigator Email
jacek.szepietowski.work@gmail.com
Contact Person Name
Jacek Szepietowski
Site Name
Klinika Osipowicz & Turkowski Sp. z o.o.
Principal Investigator Name
Katarzyna Osipowicz
Principal Investigator Email
badaniakliniczne@klinikaotco.pl
Contact Person Name
Katarzyna Osipowicz
Site Name
Twoja-Med
Principal Investigator Name
Santa Vanaga-Besser
Principal Investigator Email
s.vanaga-besser@twoja-klinika.pl
Contact Person Name
Santa Vanaga-Besser
Site Name
Instytut Zdrowia Dr Boczarska-Jedynak
Principal Investigator Name
Magdalena Boczarska- Jedynak
Principal Investigator Email
m.boczarskajedynak@gmail.com
Contact Person Name
Magdalena Boczarska- Jedynak
Contact Person Email
m.boczarskajedynak@gmail.com
Site Name
Therapia Nova Sp. z o.o.
Principal Investigator Name
Ryszard Galus
Principal Investigator Email
GALUSMED@GMAIL.COM
Contact Person Name
Ryszard Galus
Contact Person Email
GALUSMED@GMAIL.COM

Germany

Earliest CTIS Part Ii Submission Date
26-05-2025
Latest Decision Or Authorization Date
23-06-2025
Processing Time Days
28
Number Of Sites
6
Number Of Participants
8

Sites

Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Institute of Allergology (IFA)
Principal Investigator Name
Martin Metz
Principal Investigator Email
martin.metz@charite.de
Contact Person Name
Martin Metz
Contact Person Email
martin.metz@charite.de
Site Name
Goethe University Frankfurt
Department Name
Clinic for Dermatology, Venereology and Allergology
Principal Investigator Name
Andreas Pinter
Principal Investigator Email
Andreas.Pinter@unimedizin-ffm.de
Contact Person Name
Andreas Pinter
Site Name
Universitaetsklinikum Essen AöR
Department Name
Department of Dermatology
Principal Investigator Name
Wiebke Sondermann
Principal Investigator Email
Wiebke.sondermann@uk-essen.de
Contact Person Name
Wiebke Sondermann
Contact Person Email
Wiebke.sondermann@uk-essen.de
Site Name
Emovis GmbH (Offenbach Am Main)
Principal Investigator Name
Reinhard Hermann Alois Stöhring
Principal Investigator Email
reinhard.stoehring@futuremeds.com
Contact Person Name
Reinhard Hermann Alois Stöhring
Site Name
Emovis GmbH (Berlin)
Principal Investigator Name
Saskia Kerschischnik
Principal Investigator Email
Saskia.kerschischnik@futuremeds.com
Contact Person Name
Saskia Kerschischnik
Site Name
Technische Universitaet Dresden
Department Name
Dermatology
Principal Investigator Name
Andrea Bauer
Principal Investigator Email
Andrea.Bauer@uniklinikum-dresden.de
Contact Person Name
Andrea Bauer

Bulgaria

Earliest CTIS Part Ii Submission Date
09-06-2025
Latest Decision Or Authorization Date
20-06-2025
Processing Time Days
11
Number Of Sites
5
Number Of Participants
10

Sites

Site Name
Alexandrovska University Hospital
Department Name
Department of immunopathology at the clinic of clinical allergology
Principal Investigator Name
Mariya Staevska
Principal Investigator Email
mariya.staevska@gmail.com
Contact Person Name
Mariya Staevska
Contact Person Email
mariya.staevska@gmail.com
Site Name
Diagnostics And Consultancy Center Sveti Georgi EOOD
Principal Investigator Name
Irida Vasileva
Principal Investigator Email
iridavasileva@gmail.com
Contact Person Name
Irida Vasileva
Contact Person Email
iridavasileva@gmail.com
Site Name
University Multiprofile Hospital For Active Treatment And Emergency Medicine N I Pirogov
Department Name
Multiprofile emergency department, cabinet of allergology
Principal Investigator Name
Sonya Genova
Principal Investigator Email
sonya.genova@pirogov.bg
Contact Person Name
Sonya Genova
Contact Person Email
sonya.genova@pirogov.bg
Site Name
Medical Center Excelsior OOD
Principal Investigator Name
Todor Popov
Principal Investigator Email
ted.popov@gmail.com
Contact Person Name
Todor Popov
Contact Person Email
ted.popov@gmail.com
Site Name
Ambulatoria Za Individualna Praktika Za Specializirana Izvunbolnichna Medicinska Pomost Po Alergologia Doktor Talyat Sali Cholak EOOD
Principal Investigator Name
Talyat Sally Cholak
Principal Investigator Email
raz35doc@abv.bg
Contact Person Name
Talyat Sally Cholak
Contact Person Email
raz35doc@abv.bg

Italy

Earliest CTIS Part Ii Submission Date
14-03-2025
Latest Decision Or Authorization Date
02-07-2025
Processing Time Days
110
Number Of Sites
3
Number Of Participants
9

Sites

Site Name
Ospedale San Raffaele S.r.l.
Department Name
Advanced Multidisciplinary Center Asthma, Food and Drug Allergies
Principal Investigator Name
Mona-Rita Yacoub
Principal Investigator Email
yacoub.monarita@hsr.it
Contact Person Name
Mona-Rita Yacoub
Contact Person Email
yacoub.monarita@hsr.it
Site Name
Azienda Ospedaliero-Universitaria Di Bologna IRCCS Istituto Di Ricerca E Di Cura A Carattere Scientifico
Department Name
Dermatology Unit
Principal Investigator Name
Marco Adriano Chessa
Principal Investigator Email
marcoadriano.chessa2@unibo.it
Contact Person Name
Marco Adriano Chessa
Contact Person Email
marcoadriano.chessa2@unibo.it
Site Name
Fondazione IRCCS Policlinico San Matteo
Department Name
Dermatology Clinic, Department of Medicine
Principal Investigator Name
Camilla Vassallo
Principal Investigator Email
c.vassallo@smatteo.pv.it
Contact Person Name
Camilla Vassallo
Contact Person Email
c.vassallo@smatteo.pv.it

Sponsor

Primary sponsor

Full Name
Evommune Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Premier Research Group S.L.
Responsibilities
Investigator Recruitment; Regulatory submissions; other listed duties (codes 1,10,11,12,13,15)
Name
Medpace Inc.
Responsibilities
Laboratory/clinical operations support (sponsorDuties code 4)
Name
Fisher Clinical Services GmbH
Responsibilities
Support services (sponsorDuties code 14; contact fcsinfo@thermofisher.com)
Name
Medidata Solutions Inc.
Responsibilities
Electronic data capture/eClinical platform (sponsorDuties code 7)

Third parties

  • {"country":"Germany","full_name":"Fisher Clinical Services GmbH","duties_or_roles":"sponsorDuties codes: 14; contact fcsinfo@thermofisher.com","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Scout Clinical","duties_or_roles":"Patient Reimbursement","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"Spain","full_name":"Premier Research Group S.L.","duties_or_roles":"Investigator Recruitment; Regulatory submissions; duties codes include 1,10,11,12,13,15 (as listed)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Gene By Gene Ltd.","duties_or_roles":"Laboratory/testing (sponsorDuties code 4)","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Acm Medical Laboratory Inc.","duties_or_roles":"Laboratory/testing (sponsorDuties code 4)","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United Kingdom","full_name":"The Doctors Laboratory Limited","duties_or_roles":"Laboratory/testing (sponsorDuties code 4)","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Arup Laboratories Inc.","duties_or_roles":"Laboratory/testing (sponsorDuties code 4)","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Pharmaron (Germantown) Lab Services Inc.","duties_or_roles":"Laboratory/testing (sponsorDuties code 4)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medpace Inc.","duties_or_roles":"Laboratory/clinical operations support (sponsorDuties code 4)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"Electronic data capture/eClinical platform (sponsorDuties code 7)","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Quest Diagnostics Nichols Institute Inc.","duties_or_roles":"Laboratory/testing (sponsorDuties code 4)","organisation_type":"Laboratory/Research/Testing facility"}

Investigational products

Investigational Product Name
EVO756 Potassium
Active Substance
EVO756 POTASSIUM
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
prodAuthStatus: 1 (as per productDictionaryInfo)
Maximum Dose
1 mg

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