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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).

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504909-37-00
Acronym
1504-0003
Enrollment
12
Registered
2024-06-17
Start date
2025-07-03
Completion date
Unknown
Last updated
2025-03-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cystic fibrosis

Brief summary

Occurrence of treatment-emergent delayed AEs defined as new malignancies, new serious neurologic disorders, new serious rheumatologic or autoimmune disorders, new serious hematologic disorders, or new serious potentially product-related infections, until 15 years from enrolment

Detailed description

Time to loss of efficacy defined as the drop to below 5% (absolute) above baseline in forced expiratory volume in 1 second, percent of predicted value (FEV1pp), Time to first PEX from dosing, Occurrence of AEs up to 2 years after enrolment, Occurrence of serious adverse events (SAEs) throughout the study (up to 15 years), Occurrence of replication-competent lentivirus (RCL) throughout the study (up to 15 years)

Interventions

Sponsors

Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Occurrence of treatment-emergent delayed AEs defined as new malignancies, new serious neurologic disorders, new serious rheumatologic or autoimmune disorders, new serious hematologic disorders, or new serious potentially product-related infections, until 15 years from enrolment

Secondary

MeasureTime frame
Time to loss of efficacy defined as the drop to below 5% (absolute) above baseline in forced expiratory volume in 1 second, percent of predicted value (FEV1pp), Time to first PEX from dosing, Occurrence of AEs up to 2 years after enrolment, Occurrence of serious adverse events (SAEs) throughout the study (up to 15 years), Occurrence of replication-competent lentivirus (RCL) throughout the study (up to 15 years)

Countries

France, Italy, Netherlands, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026