Overview
Sponsor-declared trial summary
Cystic fibrosis
"Phase I: To investigate safety and tolerability of a single inhaled dose of BI 3720931 based on number of trial participants with at least one drug-related, treatment emergent AE up to Week 24 after dosing. Phase II: To demonstrate superiority of the higher BI 3720931 dose over PBO on the primary endpoint, the absolut…
Key facts
- Sponsor
- Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Respiratory Tract Diseases [C08]
- Trial duration
- 19 Dec 2024 → 3 Feb 2026
- Decision date (initial)
- 2024-06-24
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- Yes
- Vulnerable population
- No
External identifiers
- EU CT number
- 2023-503281-23-00
- WHO UTN
- U1111-1291-0800
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Therapy, Efficacy, Safety, Others, Pharmacokinetic, Pharmacodynamic
"Phase I: To investigate safety and tolerability of a single inhaled dose of BI 3720931 based on number of trial participants with at least one drug-related, treatment emergent AE up to Week 24 after dosing.
Phase II: To demonstrate superiority of the higher BI 3720931 dose over PBO on the primary endpoint, the absolute change from baseline in FEV1pp at Week 8. If superiority for the high dose is established, superiority of the lower dose versus PBO will be tested in a hierarchical manner on the primary endpoint. "
Secondary objectives 5
- Phase I: Evaluate clinical efficacy after a single inhaled dose of BI 3720931 based on the number of responders, as part of an interim analysis prior to moving to Phase II. Response is defined as an absolute change from baseline ≥5% in FEV1pp using the mean of the values at Weeks 4, 6, and 8 after dosing
- Phase I: Evaluate clinical efficacy after a single inhaled dose of BI 3720931 based on absolute change from baseline in FEV1pp at Week 24
- Phase I: Evaluate safety after a single inhaled dose of BI 3720931 based on occurrence of dose limiting toxicities (DLTs) up to Week 24
- Phase II: Investigate safety and tolerability of the BI 3720931 doses based on occurrence of drug related AEs and serious adverse events (SAEs) up to Week 24
- Phase II: Evaluate efficacy of the BI 3720931 doses versus PBO on the absolute change from baseline in FEV1pp at Week 24
Conditions and MedDRA coding
Cystic fibrosis
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.0 | PT | 10011763 | Cystic fibrosis lung | 100000004850 |
Study design 10 periods
| # | Title | Allocation | Blinding | Roles blinded | Arms |
|---|---|---|---|---|---|
| 1 | Phase I: Screening Phase I: Screening
|
Not Applicable | None | All participants: All participants | |
| 2 | Phase II: End of Study Phase II: End of Study
|
Randomised Controlled | Double | [{"id":130416,"code":4,"name":"Analyst"},{"id":130413,"code":3,"name":"Monitor"},{"id":130415,"code":1,"name":"Subject"},{"id":130417,"code":2,"name":"Investigator"},{"id":130414,"code":5,"name":"Carer"}] | All participants: All participants |
| 3 | Phase I: Treatment Phase I: Treatment
|
Not Applicable | None | Dose group 1: Dose group 1 Dose group 2: Dose group 2 Dose group 3: Dose group 3 |
|
| 4 | Phase I: Hospital Stay Phase I: Hospital Stay
|
Not Applicable | None | All participants: All participants | |
| 5 | Phase I: Follow up Phase I: Follow up
|
Not Applicable | None | All participants: All participants | |
| 6 | Phase I: End of Study Phase I: End of Study
|
Not Applicable | None | All participants: All participants | |
| 7 | Phase II: Screening An interim analysis of the safety and efficacy data from Phase I will be used for the decision making to move to Phase II.
|
Not Applicable | None | All participants: All participants | |
| 8 | Phase II: Treatment Phase II: Treatment
|
Randomised Controlled | Double | [{"id":130426,"code":1,"name":"Subject"},{"id":130427,"code":4,"name":"Analyst"},{"id":130428,"code":5,"name":"Carer"},{"id":130424,"code":2,"name":"Investigator"},{"id":130425,"code":3,"name":"Monitor"}] | Dose group 1: Dose group 1 Dose group 2: Dose group 2 Placebo to BI 3720931: Placebo to BI 3720931 |
| 9 | Phase II: Hospital Stay Phase II: Hospital Stay
|
Randomised Controlled | Double | [{"id":130432,"code":4,"name":"Analyst"},{"id":130433,"code":5,"name":"Carer"},{"id":130430,"code":2,"name":"Investigator"},{"id":130431,"code":3,"name":"Monitor"},{"id":130434,"code":1,"name":"Subject"}] | All participants: All participants |
| 10 | Phase II: Follow up An interim analysis of the safety and efficacy data from Phase I will be used for the decision making to move to Phase II.
|
Randomised Controlled | Double | [{"id":130436,"code":2,"name":"Investigator"},{"id":130440,"code":1,"name":"Subject"},{"id":130439,"code":4,"name":"Analyst"},{"id":130438,"code":3,"name":"Monitor"},{"id":130437,"code":5,"name":"Carer"}] | All participants: All participants |
Regulatory references
- Scientific advice from competent authorities
- Paul-Ehrlich-Institut, Medicines Evaluation Board, Medicines And Healthcare Products Regulatory Agency, European Medicines Agency
- Plan to share IPD
- Yes
- IPD plan description
- Researchers can use the following link https://www.mystudywindow.com/msw/datasharing to request access to the clinical study documents regarding this study, and upon a signed “Document Sharing Agreement”. Furthermore, researchers can request access to the clinical study data, for this and other listed studies, after the submission of a research proposal and according to the terms outlined on the website. Time Frame: One year after the approval has been granted by major Regulatory Authorities and after the primary manuscript has been accepted for publication, or after termination of the development program. Access Criteria: For study documents – upon signing of a ‚Document Sharing Agreement‘. For study data – 1. after the submission and approval of the research proposal (checks will be performed by the sponsor and/or the independent review panel, including checking that the planned analysis does not compete with sponsor's publication plan); 2. and upon signing of a legal agreement.
| EU CT number | Title | Sponsor |
|---|---|---|
| 2023-504909-37-00 | A clinical trial to evaluate the long-term safety and durability of efficacy of BI 3720931, an inhaled lentiviral vector gene therapy, after single dose administration in a previous clinical trial in people with cystic fibrosis rolled-over from a previous clinical trial with BI 3720931 (LenticlairTM-ON). | Boehringer Ingelheim International GmbH |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 7
- Male or female of non-childbearing potential trial participants with a CF-pulmonary phenotype and a confirmed diagnosis of CF: - Positive sweat chloride ≥60 mEq/L by pilocarpine iontophoresis OR - Genotype with 2 identifiable CF-causing mutations accompanied by one or more clinical features if sweat chloride testing is between 30 and 59 mmol/L
- Trial participants who are not eligible for treatment with CFTRmt due to their genotype with 2 identified CFTR-mutations (including Class I CFTR gene mutations) and are also not expected to become eligible during the trial according to investigator´s opinion
- Trial participants able to perform acceptable spirometric maneuvers according to American Thoracic Society/European Respiratory Society 2019 standards
- FEV1pp ≥50% and ≤100% of predicted normal at Visit 1. Predicted value based on Global Lung Initiative lung function reference equations
- Stable CF disease with no pulmonary exacerbation 4 weeks prior to the screening visit and during the screening period and stable drug- and non-drug therapy for CF in the 4 weeks prior to dosing
- Trial participants either naïve to prior gene therapy or exposed to prior viral or non-viral gene therapies for cystic fibrosis. If prior exposure to gene therapy for CF exists, then the following applies as per investigator judgement: a. No apparent residual side effects associated with prior gene therapy as per investigator assessment, and b. Drug-free interval of -- 6 months after last dose of prior non-viral gene therapy -- 24 months after last dose of prior viral gene therapy
- Further inclusion criteria apply.
Exclusion criteria 3
- Trial participants with ongoing or planned CFTRmt, or participants not eligible for CFTRmt based on contraindications (e.g. liver failure) or who needed to withdraw CFTRmt due to intolerability are not appropriate candidates for this Phase I/II trial
- Trial participants requiring chronic use of systemic corticosteroids or immunosuppressants to treat another condition
- Further exclusion criteria apply.
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 2
- Phase I: Occurrence of any drug-related, treatment-emergent AE up to Week 24 after drug administration
- Phase II: Absolute change from baseline in FEV1pp at Week 8 after drug administration
Secondary endpoints 6
- Phase I: Occurrence of treatment response defined as change from baseline ≥5% in FEV1pp, comparing the mean of 3 pre-treatment FEV1pp measured in the screening period with the mean of 3 post treatment FEV1pp values at Weeks 4, 6, and 8
- Phase I: Absolute change from baseline in FEV1pp at Week 24 after drug administration
- Phase I: Occurrence of any DLTs up to Week 24 after drug administration
- Phase II: Absolute change from baseline in FEV1pp at Week 24 after drug administration
- Phase II: Occurrence of any SAEs up to Week 24 after drug administration
- Phase II: Occurrence of any drug-related, treatment-emergent AEs up to Week 24 after drug administration
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 2
PRD11013162 · Product
- Active substance
- BI 3720931
- Pharmaceutical form
- NEBULISER SOLUTION
- Route of administration
- INHALATION
- Authorisation status
- Not Authorised
- MA holder
- BOEHRINGER INGELHEIM INTERNATIONAL
- Paediatric formulation
- No
- Orphan designation
- No
PRD11013211 · Product
- Active substance
- BI 3720931
- Pharmaceutical form
- NEBULISER SOLUTION
- Route of administration
- INHALATION
- Authorisation status
- Not Authorised
- MA holder
- BOEHRINGER INGELHEIM INTERNATIONAL
- Paediatric formulation
- No
- Orphan designation
- No
Placebo 1
Solvent for dilution for BI 3720931 inhaler solution
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
Auxiliary 1
Gadovist 1.0 mmol/ml solution for injection
PRD377690 · Product
- Active substance
- Gadobutrol
- Pharmaceutical form
- SOLUTION FOR INJECTION
- Route of administration
- INTRAVENOUS
- Authorisation status
- Authorised
- ATC code
- V08CA09 — GADOBUTROL
- Marketing authorisation
- PL 00010/0535
- MA holder
- BAYER PLC
- MA country
- XI
- Paediatric formulation
- No
- Orphan designation
- No
- Modified vs. Marketing Authorisation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Boehringer Ingelheim International GmbH
- Sponsor organisation
- Boehringer Ingelheim International GmbH
- Address
- Binger Strasse 173
- City
- Ingelheim Am Rhein
- Postcode
- 55216
- Country
- Germany
Scientific contact point
- Organisation
- Boehringer Ingelheim International GmbH
- Contact name
- CT Disclosure & Data Transparency
Public contact point
- Organisation
- Boehringer Ingelheim International GmbH
- Contact name
- CT Disclosure & Data Transparency
Boehringer Ingelheim Espana S.A.
- Sponsor organisation
- Boehringer Ingelheim Espana S.A.
- Address
- Carrer Prat De La Riba 50, Sant Cugat Del Valles Sant Cugat Del Valles
- City
- Barcelona
- Postcode
- 08174
- Country
- Spain
Scientific contact point
- Organisation
- Boehringer Ingelheim Espana S.A.
- Contact name
- CT Disclosure & Data Transparency
Public contact point
- Organisation
- Boehringer Ingelheim Espana S.A.
- Contact name
- CT Disclosure & Data Transparency
Sponsor responsibilities
- Article 77 compliance
- Boehringer Ingelheim International GmbH
- Contact point sponsor
- Boehringer Ingelheim International GmbH
- Article 77 implementation
- Boehringer Ingelheim International GmbH
Locations
4 EU/EEA countries · 6 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| France | Ended | 4 | 2 |
| Italy | Ended | 4 | 2 |
| Netherlands | Ended | 2 | 1 |
| Spain | Ended | 2 | 1 |
| Rest of world
United Kingdom
|
— | 15 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| France | 2025-01-07 | 2025-01-09 | 2025-07-31 | ||
| Italy | 2024-12-19 | 2025-02-06 | 2025-07-31 | ||
| Netherlands | 2025-01-07 | 2025-04-10 | 2025-07-31 | ||
| Spain | 2025-02-25 | 2025-03-27 | 2025-07-31 |
Oversight and notifications
Regulatory notifications under CTR Articles 38, 52, 53, 54 and 77
Temporary halts 4 · Art. 38 CTR
Temporary halt TH-124221
- Halt date
- 2025-07-31
- Planned restart
- 2026-03-20
- Member states concerned
- Netherlands
- Publication date
- 2026-03-19
- Reason
- Sponsor decision
- Follow-up measures
- In accordance with Article 38 of the Regulation (EU) 536/2014 on clinical trials on medicinal products for human use, Boehringer Ingelheim will submit a substantial modification to the Clinical Trial Protocol, and the trial will only be restarted once this substantial modification of the CTP has received regulatory and ethics approval.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- No
Temporary halt TH-94132
- Halt date
- 2025-07-31
- Planned restart
- 2026-02-17
- Member states concerned
- France
- Publication date
- 2026-03-19
- Reason
- Sponsor decision
- Follow-up measures
- In accordance with Article 38 of the Regulation (EU) 536/2014 on clinical trials on medicinal products for human use, Boehringer Ingelheim will submit a substantial modification to the Clinical Trial Protocol, and the trial will only be restarted once this substantial modification of the CTP has received regulatory and ethics approval.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- No
Temporary halt TH-94134
- Halt date
- 2025-07-31
- Planned restart
- 2026-02-17
- Member states concerned
- Italy
- Publication date
- 2026-03-19
- Reason
- Sponsor decision
- Follow-up measures
- In accordance with Article 38 of the Regulation (EU) 536/2014 on clinical trials on medicinal products for human use, Boehringer Ingelheim will submit a substantial modification to the Clinical Trial Protocol, and the trial will only be restarted once this substantial modification of the CTP has received regulatory and ethics approval.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- No
Temporary halt TH-94136
- Halt date
- 2025-07-31
- Planned restart
- 2026-02-17
- Member states concerned
- Spain
- Publication date
- 2026-03-19
- Reason
- Sponsor decision
- Follow-up measures
- In accordance with Article 38 of the Regulation (EU) 536/2014 on clinical trials on medicinal products for human use, Boehringer Ingelheim will submit a substantial modification to the Clinical Trial Protocol, and the trial will only be restarted once this substantial modification of the CTP has received regulatory and ethics approval.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- No
Corrective measures 1 · Art. 77 CTR
Corrective measure CM-IT-0001
- Member state
- Italy
- Publication date
- 2025-07-29
- Type
- 1
- Reason
- 6
- Reverted date
- 2025-07-29
- Immediate action required
- Yes
- Notes
- Reverted (2025-07-29)
- Justification
- Dear Applicant,
Considering the expiration of the three-year mandate of the members of the National Ethics Committee (CEN) for clinical trials relating to advanced therapies (“ATMP”) and of the National Ethics Committee (CEN) for clinical trials in the pediatric field, appointed by Decree of the Minister of Health - 2 March 2022;
Considering the fact that, due to the expiration of the mandate of the members of the aforementioned National Ethics Committee (CEN), for the procedure in subject the assessment of the aspects relating to Part II of the evaluation report pursuant to art. 7 of the aforementioned Regulation (EU) No. 536/2014 has not been carried out, and as a result there is no conclusion of Part II for the EU CT 2023-503281-23-00 procedure (AIFA authorization provision n° 0081249);
In compliance with CHAPTER XIII (SUPERVISION BY MEMBER STATES, UNION INSPECTIONS AND CONTROLS) of Regulation 536/2014 with specific reference to Article 77 (Corrective measures to be taken by Member States):
1. Where a Member State concerned has justified grounds for considering that the requirements set out in this Regulation are no longer met, it may take the following measures on its territory:
(a) revoke the authorisation of a clinical trial;
(b) suspend a clinical trial;
(c) require the sponsor to modify any aspect of the clinical trial.
A corrective measure is applied suspending the trial. This corrective measure is only applicable to Italy.
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 57 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_ Protocol local amendment-1-2023-503281-23-00-public | 1 |
| Protocol (for publication) | D1_Protocol 2023-503281-23-00-public | 2 |
| Protocol (for publication) | d1_protocol-local-amendment-2-2023-503281-23-00-public | 1 |
| Protocol (for publication) | D4_ Patient facing documents-cfq-r-questionnaire-ES-spa | 1 |
| Protocol (for publication) | D4_ Patient facing documents-cfq-r-questionnaire-FR-fre | 1 |
| Protocol (for publication) | D4_ Patient facing documents-cfq-r-questionnaire-IT-ita | 1 |
| Protocol (for publication) | D4_ Patient facing documents-eng-handheld-screenshots | 1 |
| Protocol (for publication) | D4_ Patient facing documents-eng-worksheet-cfq | 1 |
| Protocol (for publication) | D4_ Patient facing documents-eng-worksheet-eq-5d-5l | 1 |
| Protocol (for publication) | D4_ Patient facing documents-eng-worksheet-wpai-gh | 1 |
| Protocol (for publication) | D4_ Patient facing documents-eq-5d-5l-questionnaire-ES-spa | 1 |
| Protocol (for publication) | D4_ Patient facing documents-eq-5d-5l-questionnaire-FR-fre | 1 |
| Protocol (for publication) | D4_ Patient facing documents-eq-5d-5l-questionnaire-IT-ita | 1 |
| Protocol (for publication) | D4_ Patient facing documents-wpai-gh-questionnaire-ES-spa | 1 |
| Protocol (for publication) | D4_ Patient facing documents-wpai-gh-questionnaire-FR-fre | 1 |
| Protocol (for publication) | D4_ Patient facing documents-wpai-gh-questionnaire-IT-ita | 1 |
| Protocol (for publication) | d4_patient-facing-documents-eng-infographic-dosing-public | 1 |
| Protocol (for publication) | d4_patient-facing-documents-eng-infographic-mechanism-action-public | 1 |
| Protocol (for publication) | d4_patient-facing-documents-eng-infographic-safety-monitoring-public | 1 |
| Recruitment arrangements (for publication) | K1_ Recruitment arrangements | 1 |
| Recruitment arrangements (for publication) | K1_ Recruitment arrangements-additional-doc-FR-fre-public | 1 |
| Recruitment arrangements (for publication) | K1_ Recruitment arrangements-ES-public | 1 |
| Recruitment arrangements (for publication) | K1_ Recruitment arrangements-FR-fre | 2 |
| Recruitment arrangements (for publication) | K1_ Recruitment arrangements-NL | 1 |
| Subject information and informed consent form (for publication) | L1_ ICF-biobanking-ES | 02 |
| Subject information and informed consent form (for publication) | L1_ ICF-biobanking-FR-fre-public | 1-3 |
| Subject information and informed consent form (for publication) | L1_ ICF-biobanking-IT-public | 2 |
| Subject information and informed consent form (for publication) | L1_ ICF-biobanking-NL-dut | 3 |
| Subject information and informed consent form (for publication) | L1_ ICF-patient-reimbursement-ES-public | 4 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-1-ES-public | 4-1 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-1-FR-fre-public | 4-1 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-1-IT-public | 4-1 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-1-NL-public | 4-2 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-2-ES-public | 4-1 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-2-FR-fre-public | 4-1 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-2-IT-public | 4-1 |
| Subject information and informed consent form (for publication) | L1_ ICF-ph-2-NL-public | 4-2 |
| Subject information and informed consent form (for publication) | L1_ ICF-pregnant-partner-ES | 1 |
| Subject information and informed consent form (for publication) | L1_ ICF-pregnant-partner-FR-fre-public | 1-3 |
| Subject information and informed consent form (for publication) | L1_ ICF-pregnant-partner-IT | 2 |
| Subject information and informed consent form (for publication) | L1_ ICF-pregnant-partner-NL-dut | 2 |
| Subject information and informed consent form (for publication) | L1_ ICF-reimbursement-privacy-policy-ES-public | 2 |
| Subject information and informed consent form (for publication) | L1_ ICF-vital-signs-NL-dut | 2 |
| Subject information and informed consent form (for publication) | L1_ ICF-vital-status | 2-3 |
| Subject information and informed consent form (for publication) | L1_ ICF-vital-status-ES | 1 |
| Subject information and informed consent form (for publication) | L1_ ICF-vital-status-IT | 2 |
| Subject information and informed consent form (for publication) | L2_ Other subject information material-gp-letter-IT-public | 3 |
| Subject information and informed consent form (for publication) | L2_ Other subject information material-infographic-NL-public | 1 |
| Subject information and informed consent form (for publication) | L2_ Other subject information material-infographics-doc-IT-public | 1 |
| Subject information and informed consent form (for publication) | L2_ Other subject information material-infographics-ES-public | 1 |
| Subject information and informed consent form (for publication) | L2_ Other subject information material-infographics-FR-fre-public | 2 |
| Synopsis of the protocol (for publication) | D1_ Protocol summary-local-IT-2023-503281-23-00-public | 3 |
| Synopsis of the protocol (for publication) | D1_ Protocol synopsis-eng-2023-503281-23-00-public | 2 |
| Synopsis of the protocol (for publication) | D1_ Protocol synopsis-ES-spanish-2023-503281-23-00-public | 2 |
| Synopsis of the protocol (for publication) | D1_ Protocol synopsis-FR-french-2023-503281-23-00-public | 2 |
| Synopsis of the protocol (for publication) | D1_ Protocol synopsis-IT-italian-2023-503281-23-00-public | 2 |
| Synopsis of the protocol (for publication) | D1_ Protocol synopsis-NL-dutch-2023-503281-23-00-public | 2 |
Application history
4 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2024-01-31 | Netherlands | Acceptable with conditions 2024-06-17
|
2024-06-17 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2024-07-04 | Netherlands | Acceptable 2024-10-14
|
2024-10-15 |
| 3 | SUBSTANTIAL MODIFICATION | SM-2 | 2024-11-27 | Netherlands | Acceptable 2025-03-17
|
2025-03-17 |
| 4 | SUBSTANTIAL MODIFICATION | SM-3 | 2025-05-05 | Netherlands | Acceptable 2025-06-17
|
2025-06-18 |