Clinical trial • Phase II • Respiratory

PF-07275315 for Moderate-to-severe asthma

Phase II trial of PF-07275315 for Moderate-to-severe asthma.

Overview

Trial Therapeutic Area
Respiratory
Trial Disease
Moderate-to-severe asthma
Trial Stage
Phase II
Drug Modality
Peptide/protein/enzyme

Key dates

Initial CTIS Submission Date
19-05-2025
First CTIS Authorization Date
26-08-2025

Trial design

Randomised, placebo (comparator arm: placebo; no dose/schedule specified in provided record)-controlled Phase II trial across 35 sites in Belgium, Bulgaria, Spain and others.

Randomised
Yes
Comparator
Placebo (comparator arm: placebo; no dose/schedule specified in provided record)
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
162

Eligibility

Recruits 162 Vulnerable population not selected (isVulnerablePopulationSelected: false). Participants are adults (18-70 years). Separate informed consent documents include pregnant partner ICFs (documents titled L2_Pregnant Partner_ICF) and multiple language ICFs; no specific assent/consent procedures for children or other vulnerable groups are described in the provided record..

Vulnerable Population
Vulnerable population not selected (isVulnerablePopulationSelected: false). Participants are adults (18-70 years). Separate informed consent documents include pregnant partner ICFs (documents titled L2_Pregnant Partner_ICF) and multiple language ICFs; no specific assent/consent procedures for children or other vulnerable groups are described in the provided record.

Inclusion criteria

  • {"criterion_text":"- 18 to 70 years of age (or the minimum age of consent in accordance with local regulations) at screening.\n- History of persistent, moderate-to-severe asthma for at least 12 months prior to screening and have experienced at least 1 asthma exacerbation requiring treatment with systemic steroids (oral or parenteral) for 3 days or more within 12 months of the screening visit.\n- Must have a history of bronchodilator responsiveness or positive methacholine challenge test confirming an asthma diagnosis.\n- Pre-bronchodilator FEV1 of ≥30% to <80% of the predicted normal values during screening period.\n- Positive bronchodilator responsiveness as evidenced by increase in FEV1 of at least 12% and 200 mL, at 15 - 30 minutes (or consistent with local treatment practices after inhaling 400 μg of salbutamol / albuterol (or equivalent Short-Acting Beta-Agonists [SABA]) at least once for spirometry conducted during screening period.\n- Maintenance (controller) treatment that minimally includes a medium to high dose inhaled corticosteroids - long-acting beta 2 agonists (ICS -LABA) combination consistent with Global Initiative for Asthma (GINA) Step 4/5 (either Track 1 or Track 2) for 12 months prior to the screening visit and at a stable dose for at least 3 months prior to the screening visit.\n- Body mass index between 18-40 kg/m2 at screening\n- ACQ-5 score of ≥1.5 at screening visit and prior to randomization (on at least 1 of the Week -2, Week -1 or Day 1 [pre-dose] visits)."}

Exclusion criteria

  • {"criterion_text":"- Evidence of lung disease(s) other than asthma, either clinical evidence, spirometry, or imaging (Chest X-ray, computed tomography [CT], magnetic resonance imaging [MRI]) within 12 months of the screening visit, as per local standard of care.\n- Chronic obstructive pulmonary disease or other lung diseases (eg, emphysema, idiopathic pulmonary fibrosis, Churg-Strauss syndrome, allergic bronchopulmonary aspergillosis, sarcoidosis) which may impair lung function tests.\n- Diagnosed with any acute or chronic infections or infection history.\n- Prior or current use of any prohibited concomitant medication(s) or unwillingness or inability to use a required concomitant medication(s).\n- Treatment with any dose level of systemic (oral or injectable) corticosteroids within 28 days of the screening visit through the end of study (except to treat an acute exacerbation).\n- Prior or concurrent treatment with either approved or experimental biologics (such as inhibitors of IL-4Rα, TSLP, IL-5 or IgE) or targeted synthetic drugs (such as JAK inhibitors) for the treatment of asthma or other type 2 inflammatory diseases including but not limited to: atopic dermatitis (AD), eosinophilic esophagitis (EoE), chronic rhinosinusitis (CRS).\n- Cigarette smoking history of ≥10 pack-years.\n- Active smoking or vaping within 12 months of the screening visit."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Change from baseline (CFB) in pre-bronchodilator forced expiratory volume (in mL) in one second (FEV1) at Week 12.","definition_or_measurement_approach":"Change from baseline in pre-bronchodilator FEV1 measured in mL at Week 12 (pre-bronchodilator spirometry)."}
  • {"endpoint_text":"- Incidence of treatment-emergent adverse events (TEAEs, all causality and treatment-related).","definition_or_measurement_approach":"Incidence (frequency) of TEAEs recorded during treatment; includes all causality and treatment-related events as captured in safety reporting."}
  • {"endpoint_text":"- Incidence of treatment-emergent serious adverse events (SAEs).","definition_or_measurement_approach":"Incidence (frequency) of SAEs occurring during the treatment period as per standard SAE definitions."}
  • {"endpoint_text":"- Discontinuations due to TEAEs or SAEs.","definition_or_measurement_approach":"Number/proportion of participants who discontinue study drug due to TEAEs or SAEs during the study."}
  • {"endpoint_text":"- Clinically significant, treatment-related abnormal laboratory values, vital signs or electrocardiograms.","definition_or_measurement_approach":"Assessment of clinically significant laboratory, vital signs or ECG abnormalities judged by investigator/sponsor as treatment-related."}

Secondary endpoints

  • {"endpoint_text":"- Key Secondary: • CFB in pre-bronchodilator % predicted FEV1, at Week 12.","definition_or_measurement_approach":"Change from baseline in percent predicted pre-bronchodilator FEV1 at Week 12."}
  • {"endpoint_text":"- Other Secondary: CFB in pre-bronchodilator lung function parameters (ie, FEV1 *, % predicted FEV1*, Forced vital capacity [FVC], % predicted FVC, FEV1/FVC ratio) at all other time points.","definition_or_measurement_approach":"Change from baseline in pre-bronchodilator lung function parameters (FEV1, % predicted FEV1, FVC, % predicted FVC, FEV1/FVC) measured at study time points."}
  • {"endpoint_text":"- CFB in post-bronchodilator lung function parameters (ie, FEV1 , % predicted FEV1, FVC , % predicted FVC, FEV1/FVC ratio) at all other time points.","definition_or_measurement_approach":"Change from baseline in post-bronchodilator lung function parameters (FEV1, % predicted FEV1, FVC, % predicted FVC, FEV1/FVC) measured at study time points."}
  • {"endpoint_text":"- CFB in FEV1 as a % of pre-BD result.","definition_or_measurement_approach":"Change from baseline in FEV1 expressed as a percentage of the pre-bronchodilator result."}
  • {"endpoint_text":"- CFB in pre-bronchodilator FEV1 at Week 12.","definition_or_measurement_approach":"Change from baseline in pre-bronchodilator FEV1 measured at Week 12."}
  • {"endpoint_text":"- CFB in pre-bronchodilator FEV1 at Week 12.","definition_or_measurement_approach":"Change from baseline in pre-bronchodilator FEV1 measured at Week 12."}
  • {"endpoint_text":"- CFB in asthma control questionnaire (5-question version [ACQ-5]) total score at Week 12.","definition_or_measurement_approach":"Change from baseline in ACQ-5 total score assessed at Week 12."}
  • {"endpoint_text":"- CFB in asthma quality of life questionnaire with standardized activities (AQLQ) self-administered global score at Week 12.","definition_or_measurement_approach":"Change from baseline in AQLQ self-administered global score at Week 12."}
  • {"endpoint_text":"- CFB in pre- bronchodilator FEV1 at Week 12.","definition_or_measurement_approach":"Change from baseline in pre-bronchodilator FEV1 measured at Week 12."}

Recruitment

Registry Or Advocacy Recruitment
True, advocacy group alerts referenced (documents titled 'Advocacy Group Alert' / 'Advocacy Group Study Alert' are present; specific advocacy organisation names are not provided in the record).
Digital Remote Recruitment
True, recruitment materials include website content, paid search keywords, digital media boards, Facebook mockups, and eConsent/ePRO capabilities (IQVIA listed as responsible for eConsent and ePRO).
Planned Sample Size
162
Recruitment Window Months
20
Consent Approach
Informed consent provided by adult participants (study population 18 to 70 years). Multiple language informed consent forms and information documents are provided (English, French, Dutch, Bulgarian, Spanish, Polish, Italian, Czech, Hungarian - multiple country-specific ICF documents are listed). eConsent capability is indicated (IQVIA duties include eConsent and ePRO). Separate ICFs for pregnant partners and optional retained research/sample consent documents are present.

Methods

  • Website postings (country-specific website materials present e.g., K4/K10 recruitment website documents).
  • Digital paid search keywords and digital advertising (documents: Paid Search Keywords, Digital Media Board).
  • Social media mockups (Facebook Page MockUp documents).
  • Study brochures and study posters (country-specific study brochures and posters).
  • Outbound call / call scripts and referral emails (Outbound_call_script, Referal_email documents).
  • Prescreener questionnaires (Prescreener documents).
  • Advocacy group alerts (documents titled Advocacy Group Alert / Advocacy Group Study Alert).
  • Use of vendor/site recruitment support (third parties with recruitment duties listed, e.g., Continuum Clinical LLC).

Geography

Total Number Of Sites
35
Total Number Of Participants
90

Belgium

Earliest CTIS Part Ii Submission Date
28-07-2025
Latest Decision Or Authorization Date
26-08-2025
Processing Time Days
29
Number Of Sites
3
Number Of Participants
9

Sites

Site Name
Universitair Ziekenhuis Gent
Department Name
Pneumology
Contact Person Name
Guy Brusselle
Contact Person Email
guy.brusselle@uzgent.be
Site Name
A.Z. Sint-Maarten
Department Name
Pneumology
Contact Person Name
Muriel Lins
Contact Person Email
muriel.lins@emmaus.be
Site Name
Centre Hospitalier Regional De La Citadelle
Department Name
Pneumology
Contact Person Name
Maud Deschampheleire

Bulgaria

Earliest CTIS Part Ii Submission Date
16-07-2025
Latest Decision Or Authorization Date
01-09-2025
Processing Time Days
47
Number Of Sites
4
Number Of Participants
14

Sites

Site Name
Medical Center Pulmovision Ltd.
Contact Person Name
Miroslav Mihailov
Contact Person Email
miroslavmihailov@abv.bg
Site Name
Medical Center Pulmo-2018 EOOD
Contact Person Name
Veselin Kalfov
Contact Person Email
kalfov@abv.bg
Site Name
Diagnostic-Consultative Center Alexandrovska EOOD
Contact Person Name
Maria Staevska-Kotasheva
Contact Person Email
mari66sta@gmail.com
Site Name
Medical Center New Rehabilitation Center EOOD
Contact Person Name
Dimo Dimov
Contact Person Email
dmdimov65@yahoo.com

Spain

Earliest CTIS Part Ii Submission Date
15-07-2025
Latest Decision Or Authorization Date
29-08-2025
Processing Time Days
45
Number Of Sites
5
Number Of Participants
8

Sites

Site Name
Hospital Universitario Quironsalud Madrid
Department Name
Pneumology
Contact Person Name
Jose Maria Echave-Sustaeta
Contact Person Email
jose.echave@quironsalud.es
Site Name
Hospital Universitario Virgen De La Victoria
Department Name
Pneumology
Contact Person Name
Jose Luis Velasco Garrido
Contact Person Email
jlvelascogarrido@hotmail.com
Site Name
Hospital Universitario La Paz
Department Name
Pneumology
Contact Person Name
David Romero Ribate
Contact Person Email
davizrom@hotmail.com
Site Name
Hospital Universitario 12 De Octubre
Department Name
Allergy
Contact Person Name
Ismael Garcia-Moguel
Contact Person Email
ismaelgmoguel@gmail.com
Site Name
Hospital Universitario Marques De Valdecilla
Department Name
Pneumology
Contact Person Name
Juan Garcia Rivero
Contact Person Email
Juanluis.garcia@scsalud.es

Poland

Earliest CTIS Part Ii Submission Date
07-08-2025
Latest Decision Or Authorization Date
01-09-2025
Processing Time Days
25
Number Of Sites
7
Number Of Participants
30

Sites

Site Name
Malopolskie Centrum Alergologii Sp. z o.o.
Contact Person Name
Małgorzata Bederska
Contact Person Email
malgorzatabederska@gmail.com
Site Name
Specjalistyczna Przychodnia Lekarska Alergo Med Sp. z o.o.
Contact Person Name
Danuta Madra-Rogacka
Contact Person Email
dmadrarogacka@gmail.com
Site Name
DOBROSTAN Gabinety Lekarskie
Contact Person Name
Ewa Pisarczyk-Bogacka
Contact Person Email
bogacka@alergia.gigabox.pl
Site Name
Alergo-Med Specjalistyczna Przychodnia Lekarska Sp. z o.o.
Contact Person Name
Bernadetta Majorek-Olechowska
Contact Person Email
bernadettaolechowska@gmail.com
Site Name
Specjalistyczny Niepubliczny Zaklad Opieki Zdrowotnej Alergologia Plus Osrodek Diagnostyki I Terapii Uczulen
Contact Person Name
Ewa Springer
Contact Person Email
e.springer@wp.pl
Site Name
KLIMED Marek Klimkiewicz
Department Name
Poradnia Pulmonologiczna
Contact Person Name
Justyna Kołodyńska-Jeridi
Contact Person Email
kolodynska.klimed@onet.pl
Site Name
PULMAG Grzegorz Gasior Marzena Kociolek S.C.
Contact Person Name
Grzegorz Gasior
Contact Person Email
grzegorz.g15@wp.pl

Czechia

Earliest CTIS Part Ii Submission Date
29-07-2025
Latest Decision Or Authorization Date
26-08-2025
Processing Time Days
28
Number Of Sites
4
Number Of Participants
11

Sites

Site Name
MUDr. I. Cierna Peterova s.r.o.
Contact Person Name
Ivana Čierná Peterová
Contact Person Email
trnbrnl@gmail.com
Site Name
Fakultni Nemocnice Hradec Kralove
Department Name
Ústav klinické imunologie a alergiologie
Contact Person Name
Irena Krčmová
Contact Person Email
irena.krcmova@fnhk.cz
Site Name
MediTrial s.r.o.
Contact Person Name
Petr Kopecký
Contact Person Email
kopir@post.cz
Site Name
Cefispiro s.r.o.
Contact Person Name
Petra Filipová
Contact Person Email
pphilip@seznam.cz

Hungary

Earliest CTIS Part Ii Submission Date
04-07-2025
Latest Decision Or Authorization Date
28-08-2025
Processing Time Days
55
Number Of Sites
5
Number Of Participants
8

Sites

Site Name
Omnimodus Elixir Kft.
Contact Person Name
Erika Unger
Contact Person Email
ungerstudy@gmail.com
Site Name
Szalay János Rendelőintézet
Department Name
Tüdőgondozó
Contact Person Name
Edina Kurucz
Contact Person Email
drkuruczedina@gmail.com
Site Name
Erzsebet Gondozohaz Kft.
Contact Person Name
Janos Mucsi
Contact Person Email
mucsitrial@gmail.com
Site Name
Da Vinci Spa Kft.
Contact Person Name
Marta Papp
Contact Person Email
drpappm@gmail.com
Site Name
Edelenyi Koch Robert Korhaz Es Rendelointezet
Contact Person Name
Melinda Szabo
Contact Person Email
pulmo.szbt@gmail.com

Italy

Earliest CTIS Part Ii Submission Date
12-08-2025
Latest Decision Or Authorization Date
30-01-2026
Processing Time Days
171
Number Of Sites
7
Number Of Participants
10

Sites

Site Name
Azienda Ospedaliera Universitaria San Giovanni Di Dio E Ruggi d'Aragona
Department Name
UOC Clinica Pneumologica
Contact Person Name
Alessandro Vatrella
Contact Person Email
avatrella@unisa.it
Site Name
Azienda USL IRCCS Di Reggio Emilia
Department Name
Arcispedale Santa Maria Nuova - Dipartimento di Medicine Specialistiche - SC Pneumologia
Contact Person Name
Chiara Scelfo
Contact Person Email
chiara.scelfo@ausl.re.it
Site Name
Azienda Ospedaliero-Universitaria Senese
Department Name
U.O.C. Malattie dell'apparato respiratorio
Contact Person Name
Paolo Cameli
Contact Person Email
paolo.cameli@unisi.it
Site Name
Azienda Ospedaliero-Universitaria San Luigi Gonzaga
Department Name
SSDU ASMA GRAVE, MALATTIE RARE DEL POLMONE E FISIOPATOLOGIA RESPIRATORIA
Contact Person Name
Fabio Luigi Massimo Ricciardolo
Site Name
Azienda Ospedaliero-Universitaria Di Cagliari
Department Name
UO allergologia e immunologia clinica - Policlinico Universitario Monserrato
Contact Person Name
Stefano Del Giacco
Contact Person Email
delgiacco@unica.it
Site Name
Azienda Ospedaliera Ordine Mauriziano Di Torino
Department Name
SCDU Allergologia e Immunologia Clinica
Contact Person Name
Luisa Brussino
Contact Person Email
lbrussino@mauriziano.it
Site Name
IRCCS Humanitas Research Hospital
Department Name
Personalized medicine asthma and allergy unit
Contact Person Name
Enrico Marco Heffler
Contact Person Email
enrico.heffler@hunimed.eu

Sponsor

Primary sponsor

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

Contract research organisations

Name
Icon Clinical Research Limited
Responsibilities
Clinical research services (duty code 4 per record)
Name
IQVIA Limited
Responsibilities
eConsent and ePRO (and other data services)
Name
PAREXEL International GmbH
Responsibilities
Ancillary supplies and safety reporting
Name
Continuum Clinical LLC
Responsibilities
Recruitment
Name
eResearchTechnology GmbH
Responsibilities
Spirometry/electronic data capture for spirometry
Name
Innovative Trials Limited
Responsibilities
Operational support (duty codes 2 and 7 as listed)

Third parties

  • {"country":"United States","full_name":"Scout Clinical","duties_or_roles":"Participant Stipend; (additional duty code: 5)","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"Ireland","full_name":"Icon Clinical Research Limited","duties_or_roles":"Code 4 (role listed, no textual duty provided)","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"eResearchTechnology GmbH","duties_or_roles":"Spirometry; Code 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"Codes 1 and 15; eConsent and ePRO","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Continuum Clinical LLC","duties_or_roles":"Recruitment","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Innovative Trials Limited","duties_or_roles":"Codes 2 and 7 (roles listed, no textual duties provided)","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"PAREXEL International GmbH","duties_or_roles":"Anxillary Supplies, Safety reporting","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
PF-07275315
Modality
Peptide/protein/enzyme
Authorisation Status
Investigational (MIA/IMP11510/00002)
Investigational Product Name
Placebo
Modality
Other

Related trials

Other published trials that may interest you.