Clinical trial • Phase III • Respiratory

tozorakimab for Chronic obstructive pulmonary disease (COPD)

Phase III trial of tozorakimab for Chronic obstructive pulmonary disease (COPD). open-label. 82 participants.

Overview

Trial Therapeutic Area
Respiratory
Trial Disease
Chronic obstructive pulmonary disease (COPD)
Trial Stage
Phase III
Drug Modality
Monoclonal antibody

Key dates

Initial CTIS Submission Date
05-09-2025
First CTIS Authorization Date
24-12-2025

Trial design

open-label Phase III trial across 13 sites in France.

Open Label
Yes
Target Sample Size
82

Eligibility

Recruits 82 Vulnerable population selected. Participants must be capable of giving signed informed consent. Subject information and informed consent form for adults are provided; additional subject information/ICF materials exist for pregnant study subjects and pregnant partners..

Vulnerable Population
Vulnerable population selected. Participants must be capable of giving signed informed consent. Subject information and informed consent form for adults are provided; additional subject information/ICF materials exist for pregnant study subjects and pregnant partners.

Inclusion criteria

  • {"criterion_text":"- Participants previously randomized in TITANIA, MIRANDA or PROSPERO predecessor studies: •\tParticipants who have completed the treatment period and the follow-up and who have not been prematurely discontinued from IMP in the predecessor studies (either TITANIA or MIRANDA) •\tParticipants who have completed the treatment period and the follow-up, or participants who have continued to receive the IMP up to the primary reporting and attended the E/D visit 12 weeks after the last dose of IMP, and who have not been prematurely discontinued from IMP in PROSPERO predecessor study.\n- Participants should be affiliated with the French Social Security system.\n- 3.\tParticipants who are willing to continue using contraceptive methods as agreed to for the predecessor PROSPERO, TITANIA or MIRANDA.\n- Capable of giving signed informed consent."}

Exclusion criteria

  • {"criterion_text":"- 1.\tAny clinically significant disorder or abnormal findings (clinical, laboratory, instrumental, etc) or major physical and/or cognitive impairment, which, in the opinion of the Investigator, may put the participant at risk because of his/her participation in the study or impact the interpretation of the study results, or otherwise makes the participation of the participant inappropriate.\n- Chronic use of antibiotics if the duration of treatment is < 3 months prior to Visit 1 of ROMEO (first IMP administration). Chronic macrolide or other antibiotic therapy is allowed provided the participant has been on a stable dose/regimen for ≥ 3 months prior to Visit 1 of ROMEO (first IMP administration) and has had at least one COPD exacerbation while on stable therapy.\n- Use of allergen immunotherapy within 3 months of Visit 1 of ROMEO (first IMP administration), except for stable maintenance dose allergen-specific immunotherapy started 4 weeks prior to V1\n- Use of interferon gamma within 3 months of visit 1 of ROMEO (first IMP administration\n- 13.\tParticipation in any interventional clinical trial or receipt of any investigational non-biologic product within 30 days or 5 half-lives prior to Visit 1 of ROMEO (first IMP administration), whichever is longer.\n- Involvement in the planning and/or conduct of the study (applies to both AstraZeneca staff and/or staff at the study site).\n- Participants who are not able to comply with the study requirements, procedures, and restrictions, as judged by the Investigator or the Sponsor.\n- Participant meeting criteria for IP discontinuation as judged by the Investigator or the Sponsor.\n- Current alcohol, drug or chemical abuse.\n- Treatment with systemic corticosteroids or other immunosuppressive medication within 2 weeks prior to Visit 1 of ROMEO.\n- Known history of: (a) Severe allergic reaction to any monoclonal and polyclonal antibody. (b) Allergy or reaction to any component of the IMP formulation.\n- Treatment with any marketed or investigational biologic product other than tozorakimab within PROSPERO, TITANIA, or MIRANDA studies, for any reason, within 4 months or 5 half-lives prior to Visit 1 of ROMEO (first IMP administration), whichever is longer. Exceptions include: Participants on stable therapy for at least 3 months before visit 1 of ROMEO, who intend to stay on treatment throughout the study with marketed biologics* that are not likely to interfere with the safety assessment and/or efficacy of tozorakimab for the treatment of osteoporosis, migraine pain, T2DM, obesity, ocular, cardiovascular, or metabolic diseases are allowed to participate in the study. *Examples of approved marketed biologics include: denosumab, romosozumab, CGRP-antagonists, GLP-1 agonists, GIP/GLP-1 agonists, PCSK9 inhibitors, recombinant botulinum neurotoxin, mAbs targeting SARS-COV-2 viral components (marketed or authorised), recombinant erythropoietin, VEGF inhibitors for ocular diseases. Medications not listed here should be discussed with the study team.\n- Receipt of blood products or immunoglobulins within 30 days prior to visit 1 of ROMEO.\n- Receipt of live attenuated vaccines within 30 days prior to visit 1 of ROMEO.\n- Chronic use of immunosuppressive medication at visit 1 of ROMEO (including but not limited to: methotrexate, troleandomycin, cyclosporine, azathioprine, rectal corticosteroids, and systemic corticosteroids), or expected need for chronic use during the study."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Adverse events, laboratory assessments. Assessments related to adverse events include: •\tOccurrence/frequency •\tRelationship to IMP as assessed by Investigator •\tIntensity •\tSeriousness •\tDeath •\tAdverse events leading to discontinuation of IMP •\tOther significant AEs","definition_or_measurement_approach":"Assessments related to adverse events include: Occurrence/frequency; Relationship to IMP as assessed by Investigator; Intensity; Seriousness; Death; Adverse events leading to discontinuation of IMP; Other significant AEs"}

Recruitment

Planned Sample Size
82
Recruitment Window Months
38
Consent Approach
Participants must be capable of giving signed informed consent. A subject information sheet and informed consent form for adults is provided (L1_SIS and ICF adults). Additional subject information/ICF materials exist for pregnant study subjects and pregnant partners.

Methods

  • Recruitment from participants previously randomized in predecessor studies (TITANIA, MIRANDA or PROSPERO) — i.e., rollover/enrolment of eligible participants from those trials into this extension study.

Geography

Total Number Of Sites
13
Total Number Of Participants
82

France

Earliest CTIS Part Ii Submission Date
04-12-2025
Latest Decision Or Authorization Date
03-02-2026
Processing Time Days
61
Number Of Sites
13
Number Of Participants
82

Sites

Site Name
CHU de Montpellier
Department Name
Service des Maladies Respiratoires
Contact Person Name
Arnaud BOURDIN
Contact Person Email
a-bourdin@chu-montpellier.fr
Site Name
Les Hopitaux Nord-Ouest
Department Name
Unité Thoracique et Pneumologie
Contact Person Name
Alexandre LEBON
Contact Person Email
alebon@hno.fr
Site Name
Centre Hospitalier De Colmar
Department Name
Service de Pneumologie
Contact Person Name
Jean-Philippe OSTER
Site Name
Hôpital de la Croix-Rousse
Department Name
Service de Pneumologie
Contact Person Name
Gilles DEVOUASSOUX
Contact Person Email
gilles.devouassoux@chu-lyon.fr
Site Name
Centre Hospitalier Regional Et Universitaire De Brest
Department Name
Centre d'Investigation Clinique
Contact Person Name
Francis COUTURAUD
Contact Person Email
francis.couturaud@chu-brest.fr
Site Name
Centre Hospitalier Du Pays D Aix Centre Hospitalier Intercommunal Aix-Pertuis
Department Name
Service des Maladies respiratoires
Contact Person Name
Youssef TRIGUI
Contact Person Email
ytrigui@ch-aix.fr
Site Name
Centre Hospitalier Intercommunal De Cornouaille
Department Name
Service de Pneumologie
Contact Person Name
Nicolas BIZIEN
Contact Person Email
n.bizien@ch-cornouaille.fr
Site Name
Centre Hospitalier Regional De Marseille
Department Name
Pôle thorax - Unité de Pneumologie aigue
Contact Person Name
Pascal CHANEZ
Contact Person Email
Pascal.chanez@univ-amu.fr
Site Name
Centre Hospitalier Universitaire Grenoble Alpes
Department Name
Service de Pneumologie
Contact Person Name
Bruno DEGANO
Contact Person Email
bdegano@chu-grenoble.fr
Site Name
Centre Hospitalier Universitaire De Toulouse
Department Name
Service de Pneumologie
Contact Person Name
Laurent GUILLEMINAULT
Site Name
Centre Hospitalier Annecy Genevois
Department Name
Service de Pneumologie
Contact Person Name
Toufik DIDI
Contact Person Email
tdidi@ch-annecygenevois.fr
Site Name
Centre Hospitalier Universitaire De Bordeaux
Department Name
Centre François Magendie G0, CIC-P unité Pneumologie
Contact Person Name
Pierre-Olivier GIRODET
Site Name
Centre Hospitalier Universitaire De Nantes
Department Name
Service de Pneumologie - Institut du Thorax
Contact Person Name
Arnaud CAVAILLES
Contact Person Email
arnaud.cavailles@chu-nantes.fr

Sponsor

Primary sponsor

Full Name
AstraZeneca AB
Organisation Type
Pharmaceutical company
Country Of Registered Address
Sweden

Investigational products

Investigational Product Name
tozorakimab
Active Substance
tozorakimab
Modality
Monoclonal antibody
Combination Treatment
Yes

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