Efficacy, safety, and tolerability study of lunsekimig compared with placebo in adult participants with inadequately controlled chronic obstructive pulmonary disease (COPD) characterized by an eosinophilic phenotype

2024-518213-25-00 Protocol EFC18244-THESEUS Phase II and Phase III (Integrated) Authorised, recruitment pending

Status Authorised, recruitment pending · 6 EU/EEA countries · 32 sites · Protocol EFC18244-THESEUS

Overview

Sponsor-declared trial summary

Phase Phase II and Phase III (Integrated)
Status Authorised, recruitment pending
Participants planned 2,086
Countries 6
Sites 32

Respiratory tract diseases

To evaluate the efficacy of lunsekimig as measured by the annualized rate of moderate to severe chronic obstructive pulmonary disease (COPD) exacerbations

Key facts

Sponsor
Sanofi-Aventis Recherche & Developpement
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Respiratory Tract Diseases [C08]
Decision date (initial)
2026-07-07
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes
Funding sources
Sanofi-Aventis Recherche & Developpement

External identifiers

EU CT number
2024-518213-25-00
WHO UTN
U1111-1308-9980
ClinicalTrials.gov
NCT07190222

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Safety, Therapy, Pharmacokinetic, Efficacy, Pharmacoeconomic, Pharmacodynamic

To evaluate the efficacy of lunsekimig as measured by the annualized rate of moderate to severe chronic obstructive pulmonary disease (COPD) exacerbations

Secondary objectives 7

  1. • To evaluate the efficacy of lunsekimig on lung function
  2. • To evaluate the efficacy of lunsekimig on health related quality-of-life
  3. • To evaluate the efficacy of lunsekimig on symptoms and disease burden
  4. • To evaluate the efficacy of lunsekimig on moderate or severe COPD exacerbations
  5. • To evaluate the safety of lunsekimig
  6. • To evaluate the pharmacokinetics of lunsekimig
  7. • To evaluate the immunogenicity of lunsekimig

Conditions and MedDRA coding

Respiratory tract diseases

VersionLevelCodeTermSystem organ class
27.1 PT 10009033 Chronic obstructive pulmonary disease 100000004855

Regulatory references

Scientific advice from competent authorities
European Medicines Agency
Plan to share IPD
Yes
IPD plan description
Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org​

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 9

  1. - Between 40 to 80 years of age
  2. - Physician diagnosed chronic obstructive pulmonary disease (COPD) ≥1 year
  3. - Post-bronchodilator forced expiratory volume in 1 second (post-BD FEV1) ≥ 20% and ≤ 70% of predicted value and FEV1/FVC (forced expiratory volume in 1 second /forced vital capacity) <0.70
  4. - Former or current smokers ≥10 pack-years
  5. - Chronic Airways Assessment Test (CAAT) ≥10
  6. - ≥2 moderate or ≥1 severe COPD exacerbations in the prior year
  7. - Triple (ICS+LABA+LAMA) COPD therapy ≥12 consecutive weeks
  8. - EOS (blood eosinophil count) ≥ 150 cells/μL
  9. - 18.0 ≤ Body Mass Index ≤ 40.0 kg/m2

Exclusion criteria 7

  1. - Asthma, including pediatric asthma, or asthma-COPD overlap syndrome (ACOS)
  2. - Significant pulmonary disease other than COPD
  3. - Long-term oxygen therapy >4.0 L/min or requirement of >2.0 L/min to maintain oxygen saturation >88% at rest
  4. - Unstable disorder that can impact participants safety or study outcomes
  5. - Active or incompletely treated tuberculosis
  6. - Current or past malignancies
  7. - Concomitant therapies: o long-term macrolides or phosphodiesterase Type 3 (PDE-3) or PDE-4 inhibitors unless on stable therapy for >6 months o any biologic therapy or systemic immunosuppressant within 4 months or 5 half-lives prior to Screening .

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Annualized rate of moderate to severe chronic obstructive pulmonary disease (COPD) exacerbations

Secondary endpoints 15

  1. Change from baseline in post-Bronchodilator Forced Expiratory Volume in 1 second (post-BD FEV1)
  2. Change from baseline in pre-Bronchodilator Forced Expiratory Volume in 1 second (pre-BD FEV1)
  3. Change from baseline in the SGRQ-C total score
  4. SGRQ responder defined as an improvement of ≥4 points in the SGRQ-C total score
  5. Change from baseline in the Chronic airways assessment Test (CAAT) score
  6. CAAT responder defined as an improvement of ≥2 points in the CAAT) total score
  7. Change from baseline in the E-RS:COPD total score
  8. E-RS:COPD responder defined as an improvement of ≥2 points in the E RS:COPD total score
  9. Annualized rate of severe COPD exacerbations
  10. Time to first moderate or severe COPD exacerbation
  11. Time to first severe COPD exacerbation
  12. Incidence of participants with TEAEs, including AESIs, and SAEs
  13. Incidence of potentially clinically significant laboratory abnormalities
  14. Serum concentration of lunsekimig
  15. Incidence and titer of antidrug antibodies (ADAs)

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

Lunsekimig

PRD12488501 · Product

Active substance
Lunsekimig
Substance synonyms
SAR443765, Pentavalent nanobody consisting of two nanobody building blocks targeting TSLP, two nanobody building blocks targeting IL-13 and one nanobody building block targeting human albumin
Pharmaceutical form
SOLUTION FOR INJECTION IN PRE-FILLED SYRINGE
Route of administration
INJECTION
Max daily dose
00.00 mg milligram(s)
Max total dose
00.00 mg milligram(s)
Max treatment duration
48 Week(s)
Authorisation status
Not Authorised
MA holder
SANOFI AVENTIS RECHERCHE ET DEVELOPPEMENT (SAR)
Paediatric formulation
No
Orphan designation
No

Placebo 1

Matched Placebo for Test

N/A · Product

Other product name
N/A
Pharmaceutical form
N/A
ATC code
N/A — N/A
Marketing authorisation
N/A
MA holder
N/A
MA country
Iceland
Paediatric formulation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Sanofi-Aventis Recherche & Developpement

Sponsor organisation
Sanofi-Aventis Recherche & Developpement
Address
82 Avenue Raspail
City
Gentilly
Postcode
94250
Country
France

Scientific contact point

Organisation
Sanofi-Aventis Recherche & Developpement
Contact name
Clinical Sciences and Operations

Public contact point

Organisation
Sanofi-Aventis Recherche & Developpement
Contact name
Clinical Sciences and Operations

Third parties 11

OrganisationCity, countryDuties
ESMS Global Limited
ORG-100023149
London, United Kingdom Other
Farmovs (Pty) Ltd
ORG-100044583
Bloemfontein, South Africa Laboratory analysis
Azenta US Inc.
ORG-100012907
Indianapolis, United States Laboratory analysis
Centrala Farmaceutyczna Cefarm S.A.
ORG-100019105
Radomsko, Poland Code 14
Suvoda LLC
ORG-100043523
Conshohocken, United States Interactive response technologies (IRT)
Eresearchtechnology Inc.
ORG-100013039
Philadelphia, United States E-data capture
Fisher Clinical Services UK Limited
ORG-100012049
Horsham, United Kingdom Code 14
Reify Health Inc.
ORG-100049669
Boston, United States E-data capture
Pharmaceutical Product Development LLC
ORG-100016999
Highland Heights, United States Laboratory analysis
Inato
ORG-100044345
Neuilly Sur Seine Cedex, France Code 2
eResearchTechnology GmbH
ORG-100044103
Estenfeld, Germany Other, E-data capture

Locations

6 EU/EEA countries · 32 investigational sites

By country

CountryMS statusPlanned subjectsSites
Czechia Authorised, recruitment pending 65 8
Greece Authorised, recruitment pending 85 6
Lithuania Authorised, recruitment pending 10 1
Netherlands Authorised, recruitment pending 28 7
Poland Authorised, recruitment pending 68 7
Slovakia Authorised, recruitment pending 20 3
Rest of world
Brazil, Chile, Singapore, United States, China, Egypt, South Africa, New Zealand, United Kingdom, Peru, Canada, Korea, Republic of, Australia, Mexico, Israel, Taiwan, Malaysia, Argentina
1,810

Investigational sites

Czechia

8 sites · Authorised, recruitment pending
MUDr. I. Cierna Peterova s.r.o.
NA, Na Kopecku 199/1, 250 01, Brandys Nad Labem
Fakultni Nemocnice Hradec Kralove
Plicni klinika, Sokolska 581, Novy Hradec Kralove, Hradec Kralove
Plicni ambulance Kralupy s.r.o.
NA, Modrinova 1409/29, Kobylisy, Prague
MediTrial s.r.o.
NA, Vaclavska 95, 377 01, Jindrichuv Hradec III
Vseobecna Fakultni Nemocnice V Praze
I. klinika tuberkolozy a respiracnich nemoci, U Nemocnice 499/2, Nove Mesto, Prague
Fakultni Nemocnice Plzen
Klinika pneumologie a ftiseologie, Edvarda Benese 1128/13, Jizni Predmesti, Plzen 3
Prvni plicni ambulance s.r.o.
NA, Sokolovska 304, Vysocany, Prague 9
Plicni ordinace s.r.o.
NA, Nadrazni 582, 580 01, Havlickuv Brod

Greece

6 sites · Authorised, recruitment pending
Thoracic General Hospital Of Athens I Sotiria
1st Department of Respiratory Medicine, Messogion Avenue 152, 115 27, Athens
University General Hospital Attikon General Hospital Of West Attica H Agia Varvara
2nd Department of Respiratory Medicine, Rimini 1, 124 61, Chaidari
University General Hospital Of Alexandroupoli
Department of Respiratory Diseases, 6th Km Alex Polis Makris, Dragana, Alexandroupoli
Geniko Nosokomeio Thessalonikis George Papanikolaou
Pulmonology Clinic, Exochi, 570 10, Thessaloniki
Athens Medical Center S.A.
Pneumonology Clinic, Areos 36, 175 62, Paleo Faliro
University General Hospital Of Ioannina
Respiratory Medicine Department, Niarchou Stavrou Avenue, 455 00, Ioannina

Lithuania

1 site · Authorised, recruitment pending
Saules seimos medicinos centras UAB
N/A, Partizanu G. 27d, Kauno M. Sav., Kaunas

Netherlands

7 sites · Authorised, recruitment pending
Rijnstate Ziekenhuis Stichting
Longgeneeskunde, Wagnerlaan 55, 6815 AD, Arnhem
Amphia Hospital
Longresearch Astma/COPD/OSAS/ILD, Molengracht 21, 4818 CK, Breda
Haga Hospital
Longziekten research, Els Borst-Eilersplein 275, 2545 AA, 's-Gravenhage
Radboud universitair medisch centrum Stichting
Longziekten Radboud Technology Center Clinical Studies, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen
Albert Schweitzer Ziekenhuis
Longgeneeskunde, Albert Schweitzerplaats 25, 3318 AT, Dordrecht
Canisius Wilhelmina Ziekenhuis
polikliniek longziekten, Weg Door Jonkerbos 100, 6532 SZ, Nijmegen
Gelre Hospitals
Longziekten, Den Elterweg 77, 7207 AE, Zutphen

Poland

7 sites · Authorised, recruitment pending
Alergologia Plus Sp. z o.o.
NA, Ul. Tomasza Drobnika 49, 60-693, Poznan
Wojewodzki Szpital Specjalistyczny Im. Sw. Rafala W Czerwonej Gorze
Oddzial IV Alergologiczny, Ul. Czerwona Gora 10, 26-060, Checiny
Ostrowieckie Centrum Medyczne Anna Olech Cudzik Krzysztof Cudzik s.c.
NA, Ul. Ilzecka 31a, 27-400, Ostrowiec Swietokrzyski
EMC Instytut Medyczny S.A.
NA, Ul. Grunwaldzka 156, 60-309, Poznan
Santa Sp. z o.o.
NA, Ul. Pilota Stanislawa Wigury 19, 90-302, Lodz
Centrum Medyczne All-Med Badania Kliniczne
NA, Ul. Henryka Sienkiewicza 23, 30-033, Cracow
Clinicmed Daniluk Nowak Sp. k.
NA, Ul. Stoleczna 7/200, 15-879, Bialystok

Slovakia

3 sites · Authorised, recruitment pending
Plucna ambulancia Hrebenar s.r.o.
NA, J. Fabiniho 15, 052 01, Spisska Nova Ves
Inspiro s.r.o.
NA, Ul. 1.Maja 6205/25, 066 01, Humenne
Zapa Jj s.r.o.
NA, Vajanskeho 2380/1, 934 01, Levice

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 81 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) d1-rdct-protocol-el-2024-518213-25-00 2
Protocol (for publication) d1-rdct-protocol-en-2024-518213-25-00 2
Protocol (for publication) d4-rdct-patient-facing-material-copyrighted-en-2024-518213-25-00 1
Recruitment arrangements (for publication) K1-recruitment-arrangements-cs 1
Recruitment arrangements (for publication) K1-recruitment-arrangements-en 2
Recruitment arrangements (for publication) K1-recruitment-arrangements-en 2
Recruitment arrangements (for publication) K1-recruitment-arrangements-en 1
Recruitment arrangements (for publication) K1-recruitment-arrangements-lt 2
Recruitment arrangements (for publication) K1-recruitment-arrangements-pl 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-dr-referral-letter-cs 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-dr-referral-letter-el 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-dr-referral-letter-en 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-dr-referral-letter-sk 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-patient-letter-cs 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-patient-letter-el 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-patient-letter-lt 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-patient-letter-nl 1
Recruitment arrangements (for publication) K2-recruitment-material-dr-to-patient-letter-sk 1
Recruitment arrangements (for publication) K2-recruitment-material-flyer-cs 1
Recruitment arrangements (for publication) K2-recruitment-material-flyer-el 1
Recruitment arrangements (for publication) K2-recruitment-material-flyer-lt 1
Recruitment arrangements (for publication) K2-recruitment-material-flyer-nl 2
Recruitment arrangements (for publication) K2-recruitment-material-flyer-pl 1
Recruitment arrangements (for publication) K2-recruitment-material-flyer-sk 1
Recruitment arrangements (for publication) K2-recruitment-material-patient-brochure-cs 2
Recruitment arrangements (for publication) K2-recruitment-material-patient-brochure-el 2
Recruitment arrangements (for publication) K2-recruitment-material-patient-brochure-lt 2
Recruitment arrangements (for publication) K2-recruitment-material-patient-brochure-nl 3
Recruitment arrangements (for publication) K2-recruitment-material-patient-brochure-pl 1
Recruitment arrangements (for publication) K2-recruitment-material-patient-brochure-sk 2
Recruitment arrangements (for publication) K2-recruitment-material-physician-referral-slide-deck-cs 2
Recruitment arrangements (for publication) K2-recruitment-material-physician-referral-slide-deck-el 2
Recruitment arrangements (for publication) K2-recruitment-material-physician-referral-slide-deck-en 2
Recruitment arrangements (for publication) K2-recruitment-material-physician-referral-slide-deck-sk 2
Recruitment arrangements (for publication) K2-recruitment-material-poster-cs 1
Recruitment arrangements (for publication) K2-recruitment-material-poster-el 1
Recruitment arrangements (for publication) K2-recruitment-material-poster-lt 1
Recruitment arrangements (for publication) K2-recruitment-material-poster-nl 1
Recruitment arrangements (for publication) K2-recruitment-material-poster-pl 1
Recruitment arrangements (for publication) K2-recruitment-material-poster-sk 1
Recruitment arrangements (for publication) K2-recruitment-material-social-ads-cs 1
Recruitment arrangements (for publication) K2-recruitment-material-social-ads-lt 1
Recruitment arrangements (for publication) K2-recruitment-material-social-ads-nl 2
Recruitment arrangements (for publication) K2-recruitment-material-social-ads-sk 1
Recruitment arrangements (for publication) K2-recruitment-material-social-media-post-cs 1
Recruitment arrangements (for publication) K2-recruitment-material-social-media-post-lt 1
Recruitment arrangements (for publication) K2-recruitment-material-social-media-post-nl 1
Recruitment arrangements (for publication) K2-recruitment-material-social-media-post-sk 1
Recruitment arrangements (for publication) K2-recruitment-material-voice-overscript-cs 1
Recruitment arrangements (for publication) K2-recruitment-material-voice-overscript-el 1
Recruitment arrangements (for publication) K2-recruitment-material-voice-overscript-lt 1
Recruitment arrangements (for publication) K2-recruitment-material-voice-overscript-nl 1
Recruitment arrangements (for publication) K2-recruitment-material-voice-overscript-sk 1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-fsu-patient-cs 1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-fsu-patient-sk 1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-genetic-patient-cs 1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-genetic-patient-sk 1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-main-el 1.1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-main-lt 2
Subject information and informed consent form (for publication) L1-redacted-sis-icf-main-nl 1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-main-pl 1.1
Subject information and informed consent form (for publication) L1-redacted-sis-icf-patient-cs 2
Subject information and informed consent form (for publication) L1-redacted-sis-icf-patient-sk 1
Subject information and informed consent form (for publication) L1-sis-icf-partner-pregnancy-cs 1
Subject information and informed consent form (for publication) L1-sis-icf-partner-pregnancy-el 1.3
Subject information and informed consent form (for publication) L1-sis-icf-partner-pregnancy-lt 1
Subject information and informed consent form (for publication) L1-sis-icf-partner-pregnancy-pl 1.0
Subject information and informed consent form (for publication) L1-sis-icf-partner-pregnancy-sk 1
Subject information and informed consent form (for publication) L1-sis-icf-pregnancy-nl 1
Subject information and informed consent form (for publication) L1-sis-icf-privacy-cs 1
Subject information and informed consent form (for publication) L1-sis-icf-privacy-sk 1
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-cs-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-el-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-en-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-es-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-lt-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-nl-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-no-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-pl-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-ro-2024-518213-25-00 2
Synopsis of the protocol (for publication) d1-lay-protocol-synopsis-sk-2024-518213-25-00 2

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2026-03-16 Acceptable
2026-07-06
2026-07-06