Clinical trial • Phase II • Rare Disease|Respiratory

Human alpha-1-proteinase inhibitor immunoglobulin G fusion protein, recombinant for Alpha-1 antitrypsin deficiency (AATD) | Emphysema

Phase II trial of Human alpha-1-proteinase inhibitor immunoglobulin G fusion protein, recombinant for Alpha-1 antitrypsin deficiency (AATD) | Emphysema.

Overview

Trial Therapeutic Area
Rare Disease|Respiratory
Trial Disease
Alpha-1 antitrypsin deficiency (AATD) | Emphysema
Trial Stage
Phase II
Drug Modality
Peptide/protein/enzyme

Key dates

Initial CTIS Submission Date
28-05-2024
First CTIS Authorization Date
17-09-2024

Trial design

open-label, none/not specified-controlled Phase II trial in Poland, Denmark, Spain and others.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
147

Eligibility

Recruits 147 Vulnerable population selected. The trial includes multiple country-specific informed consent forms and procedures (subject ICFs) and specific ICFs for pregnant participants, pregnant partners, newborn data, bronchoscopy sub-study and home visits. Consent is obtained via subject information and informed consent forms; country- and language-specific ICFs are provided (examples in Polish, Danish, Spanish, English (IE), Swedish). Only adults (18-80 years) are eligible; no assent process specified..

Vulnerable Population
Vulnerable population selected. The trial includes multiple country-specific informed consent forms and procedures (subject ICFs) and specific ICFs for pregnant participants, pregnant partners, newborn data, bronchoscopy sub-study and home visits. Consent is obtained via subject information and informed consent forms; country- and language-specific ICFs are provided (examples in Polish, Danish, Spanish, English (IE), Swedish). Only adults (18-80 years) are eligible; no assent process specified.

Inclusion criteria

  • {"criterion_text":"- Males or females 18-80 years of age, inclusive, at the time of screening."}
  • {"criterion_text":"- Diagnosis of AATD."}
  • {"criterion_text":"- Evidence of emphysema secondary to AATD."}
  • {"criterion_text":"- FEV1 of ≥ 30% predicted at screening and post-bronchodilator FEV1/FVC<0.7."}
  • {"criterion_text":"- Current non-smoking status."}

Exclusion criteria

  • {"criterion_text":"- For Newly Identified Participants: Receipt of A1PI augmentation therapy within 5 weeks prior to the first dose of study drug."}
  • {"criterion_text":"- Known or suspected allergy to components of SAR447537, A1PI or human IgG."}
  • {"criterion_text":"- Received IV immunoglobulins, monoclonal antibodies and/or other biologic therapies within 30 days."}
  • {"criterion_text":"- On waiting list for lung or liver transplant."}
  • {"criterion_text":"- Acute respiratory tract infection or COPD exacerbation within 4 weeks prior to or during screening."}
  • {"criterion_text":"- Evidence of decompensated cirrhosis."}
  • {"criterion_text":"- Active cancers or has a history of malignancy within 5 years prior to screening."}
  • {"criterion_text":"- History of unstable cor pulmonale."}
  • {"criterion_text":"- Uncontrolled diabetes mellitus despite adequate antidiabetic pharmacologic treatment with a screening HbA1c value ≥9%"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Incidences of all treatment-emergent adverse events (TEAEs), TEAEs ≥Grade 3, serious adverse events (SAEs), TEAEs requiring withdrawal from investigational product (IP) treatment leading to discontinuation from SAR447537, and adverse events of special interest (AESIs) (including infusion-related reactions) leading to discontinuation from and adverse events of special interest (AESIs) (including infusion-related reactions).","definition_or_measurement_approach":"Incidences will be recorded as treatment-emergent adverse events (TEAEs), graded by severity (including Grade ≥3), serious adverse events (SAEs), TEAEs requiring withdrawal/discontinuation, and adverse events of special interest (AESIs) including infusion-related reactions."}

Secondary endpoints

  • {"endpoint_text":"- Annual rate of change in lung density assessed by serial quantitative CT (15th percentile point [PD15]) at total lung capacity (TLC), centrally read, from Baseline to End of Treatment (EoT).","definition_or_measurement_approach":"Measured by serial quantitative CT centrally read, using PD15 at TLC from baseline to End of Treatment (EoT)."}
  • {"endpoint_text":"- Serum PK profile of SAR447537 and fAAT.","definition_or_measurement_approach":"Serum pharmacokinetic (PK) profiling for SAR447537 and functional AAT (fAAT) measured in serum samples."}
  • {"endpoint_text":"- Population PK modeling to assess impact of physiologically relevant participant characteristics (eg, covariates including, but not limited to, age, sex, body size, ethnicity) and disease on PK of SAR447537 through Population PK modeling.","definition_or_measurement_approach":"Population PK modelling to assess covariate effects (age, sex, body size, ethnicity, disease) on SAR447537 PK."}
  • {"endpoint_text":"- Incidence of anti-drug antibodies (ADAs) against SAR447537 as well as neutralizing anti-drug antibodies (NAbs) against SAR447537.","definition_or_measurement_approach":"Measurement of incidence of anti-drug antibodies (ADAs) and neutralizing antibodies (NAbs) to SAR447537 using immunogenicity assays."}

Recruitment

Digital Remote Recruitment
Yes
Planned Sample Size
147
Recruitment Window Months
50
Consent Approach
Informed consent obtained using subject information and informed consent forms (ICFs). Country-specific ICFs are provided (examples: Polish, Danish, Spanish, English (IE), Swedish). There are dedicated ICFs for pregnant participants and pregnant partners, newborn-data ICFs, bronchoscopy sub-study ICFs, home-visit ICFs. Consent is provided by the participant (adults 18-80); no assent procedures described.

Methods

  • Clinical study leaflets (country-specific clinical-study-leaflet documents present for PL, ES, DK, SE, IE).
  • Email templates for participant outreach (country-specific email templates present: PL, ES, IE, DK).
  • Phone-and-email scripts for recruitment outreach (country-specific phone-and-email-script documents).
  • Doctor-to-doctor referral letters and GP letters (documents present for several countries, e.g., Spain, Ireland, Poland).
  • Local advertisements (document 'Local-ad' present for Sweden).
  • Scout platform materials (Scout-Pass, Reloadable-Scout-Pass, Scout brochures and user guides) and study brochures to engage participants.
  • Country-specific recruitment informed consent procedure documents (e.g., Recruitment-Informed-Consent-Procedure_PL, DK versions).

Geography

Total Number Of Sites
9
Total Number Of Participants
48

Poland

Earliest CTIS Part Ii Submission Date
26-08-2024
Latest Decision Or Authorization Date
12-09-2025
Processing Time Days
382
Number Of Sites
2
Number Of Participants
11

Sites

Site Name
Samodzielny Publiczny Zaklad Opieki Zdrowotnej Szpital Uniwersytecki W Krakowie
Department Name
Oddział Kliniczny Pulmonologii, Alergologii i Chorób Wewnętrznych
Principal Investigator Name
Krzysztof Sładek
Principal Investigator Email
mmsladek@cyfronet.pl
Contact Person Name
Krzysztof Sładek
Contact Person Email
mmsladek@cyfronet.pl
Site Name
National Institute Of Tuberculosis And Lung Diseases
Department Name
Przychodnia Przykliniczna Instytut Gruźlicy i Chorób Płuc
Principal Investigator Name
Joanna Chorostowska- Wynimko
Principal Investigator Email
j.chorostowska@igichp.edu.pl
Contact Person Name
Joanna Chorostowska- Wynimko
Contact Person Email
j.chorostowska@igichp.edu.pl

Denmark

Earliest CTIS Part Ii Submission Date
26-08-2024
Latest Decision Or Authorization Date
12-09-2025
Processing Time Days
382
Number Of Sites
2
Number Of Participants
11

Sites

Site Name
Lillebaelt Hospital
Department Name
Department of Medicine/Pulmonology
Principal Investigator Name
Ole Hilberg
Principal Investigator Email
ole.hilberg@rsyd.dk
Contact Person Name
Ole Hilberg
Contact Person Email
ole.hilberg@rsyd.dk
Site Name
Gentofte Hospital
Department Name
Respiratory Research Department
Principal Investigator Name
Jon Torgny Wilcke
Principal Investigator Email
jon.torgny.wilcke@regionh.dk
Contact Person Name
Jon Torgny Wilcke
Contact Person Email
jon.torgny.wilcke@regionh.dk

Spain

Earliest CTIS Part Ii Submission Date
28-08-2024
Latest Decision Or Authorization Date
24-09-2025
Processing Time Days
392
Number Of Sites
3
Number Of Participants
11

Sites

Site Name
Complexo Hospitalario Universitario De Santiago
Department Name
Pneumology Department
Principal Investigator Name
Tara Pereiro Brea
Principal Investigator Email
Tara.Pereiro.Brea@sergas.es
Contact Person Name
Tara Pereiro Brea
Contact Person Email
Tara.Pereiro.Brea@sergas.es
Site Name
Hospital Clinico San Carlos
Department Name
Pneumology Department
Principal Investigator Name
Juan Luis Rodriguez Hermosa
Principal Investigator Email
jlrhermosa@yahoo.es
Contact Person Name
Juan Luis Rodriguez Hermosa
Contact Person Email
jlrhermosa@yahoo.es
Site Name
Hospital Universitario Marques De Valdecilla
Department Name
Pneumology Department
Principal Investigator Name
Carlos Antonio Amado Diago
Principal Investigator Email
carlosantonio.amado@scsalud.es
Contact Person Name
Carlos Antonio Amado Diago
Contact Person Email
carlosantonio.amado@scsalud.es

Ireland

Earliest CTIS Part Ii Submission Date
16-08-2024
Latest Decision Or Authorization Date
30-10-2025
Processing Time Days
440
Number Of Sites
1
Number Of Participants
7

Sites

Site Name
Beaumont Hospital
Department Name
Respiratory Medicine
Principal Investigator Name
Noel McElvaney
Principal Investigator Email
gmcelvaney@rcsi.ie
Contact Person Name
Noel McElvaney
Contact Person Email
gmcelvaney@rcsi.ie

Sweden

Earliest CTIS Part Ii Submission Date
22-08-2024
Latest Decision Or Authorization Date
03-03-2026
Processing Time Days
558
Number Of Sites
1
Number Of Participants
8

Sites

Site Name
Sahlgrenska University Hospital-Vaestra Goetalandsregionen
Department Name
Gothia Forum, CTC & PTC kliniska prövningar,Gröna Stråket 12,41345, Sahlgrenska Hospital,Göteborg
Principal Investigator Name
David Selldén
Principal Investigator Email
david.sellden@vgregion.se
Contact Person Name
David Selldén
Contact Person Email
david.sellden@vgregion.se

Sponsor

Primary sponsor

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

Contract research organisations

Name
Pharmaceutical Product Development LLC (PPD Development LP / PPD International Holdings LLC)
Responsibilities
Multiple operational responsibilities including Medical Monitoring, Clinical Supplies, sample management for EU/UK and other clinical trial support tasks (codes and values provided in sponsor duties).
Name
Suvoda LLC
Responsibilities
eClinical trial systems (code:3 indicated in sponsor duties).
Name
Medidata Solutions Inc.
Responsibilities
Data management/eClinical services (code:7 indicated in sponsor duties).

Third parties

  • {"country":"United Kingdom","full_name":"The Doctors Laboratory Limited","duties_or_roles":"antigenic AAT sample analysis","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Canada","full_name":"Cellcarta Biosciences Inc.","duties_or_roles":"code:4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"code:7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Suvoda LLC","duties_or_roles":"code:3","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Pharmaceutical Product Development LLC","duties_or_roles":"code:4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Professional Case Management Clinical Trials LLC","duties_or_roles":"Home Health","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United Kingdom","full_name":"University Of Dundee(The)","duties_or_roles":"code:4","organisation_type":"Educational Institution"}
  • {"country":"United States","full_name":"PPD Development LP","duties_or_roles":"Medical Monitoring, Clinical Supplies","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Vida Diagnostics Inc.","duties_or_roles":"CT Scan Imaging Central Read","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Scout Clinical","duties_or_roles":"Participant Compensation and Participant Travel Services","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"Belgium","full_name":"PPD International Holdings LLC","duties_or_roles":"Sample Manager for EU and UK; code:4","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Denmark","full_name":"Clinigma ApS","duties_or_roles":"Conduct Subject phone interviews","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Bioagilytix Labs LLC","duties_or_roles":"code:4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"University Of Florida","duties_or_roles":"code:4","organisation_type":"Educational Institution"}
  • {"country":"United Kingdom","full_name":"The University Of Birmingham","duties_or_roles":"code:4","organisation_type":"Educational Institution"}
  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"Respiratory/Spirometry","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Vida Diagnostics Inc.","duties_or_roles":"CT Scan Imaging Central Read","organisation_type":"Non-Pharmaceutical company"}

Investigational products

Investigational Product Name
INBRX-101 Concentrate for Solution for Infusion 50mg/ml
Active Substance
Human alpha-1-proteinase inhibitor immunoglobulin G fusion protein, recombinant
Modality
Peptide/protein/enzyme
Routes Of Administration
Intravenous
Route
Intravenous
Authorisation Status
Investigational Medicinal Product (IMP) - IMP 12234/00001
Starting Dose
120 mg/kg
Dose Levels
120 mg/kg
Frequency
Every 3 weeks (Q3W)
Maximum Dose
120 mg/kg

Related trials

Other published trials that may interest you.