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A Study in Healthy Men to Test How BI 1815368 is Processed in the Body

A Human Absorption, Distribution, Metabolism and Excretion (hADME) and Absolute Bioavailability Trial After a Single Micro-tracer Dose of BI 1815368 (C-14) and a Single, Concomitant, Intravenous Micro-dose of BI 1815368 (C-13) in Healthy Male Trial Participants (a Phase I, Open-label, Non Randomised, Single-dose, Fixed-sequence Trial)

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07693218
Enrollment
8
Registered
2026-07-09
Start date
2026-07-16
Completion date
2026-09-04
Last updated
2026-09-15

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

Conditions

Healthy

Brief summary

The main objectives are: * To assess mass balance by determining the extent of recovery of total \[¹⁴C\]-radioactivity in urine and faeces after a single oral dose administration of BI 1815368 (C-14) (test treatment T) in healthy male trial participants. * To investigate the absolute bioavailability of BI 1815368 using a single, concomitant intravenous micro-dose administration of BI 1815368 (C13) (reference treatment R). * To provide plasma, urine, and faecal samples

Interventions

DRUGBI 1815368 (C-14)

Unlabeled BI 1815368 mixed with \[C-14\]-labeled BI 1815368

DRUGBI 1815368 (C-13)

\[13C\]-labeled BI 1815368

Sponsors

Boehringer Ingelheim
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

1. Healthy male trial participant as determined by the investigator, as based on a complete medical history including a physical examination, vital signs (blood pressure (BP), pulse rate (PR)), 12-lead electrocardiogram (ECG), and clinical laboratory tests 2. Age of 18 to 55 years (inclusive) at screening 3. Body mass index (BMI) of 18.5 to 29.9 kg / m2 (inclusive) at screening 4. Signed and dated written informed consent in accordance with ICH-GCP and local legislation prior to any trial-related procedure

Exclusion criteria

1. Any finding in the medical examination (including BP, PR or ECG) deviating from normal and assessed as assessed by the investigator 2. Repeated measurement of systolic blood pressure outside the range of 90 to 140 mmHg, diastolic blood pressure outside the range of 50 to 90 mmHg, or pulse rate outside the range of 45 to 90 bpm 3. Any laboratory value outside the reference range as judged by the investigator 4. Any evidence of a concomitant disease considered clinically relevant by the investigator Further

Design outcomes

Primary

MeasureTime frame
Fraction of [14C]-radioactivity excreted in urine as percentage of the administered dose over the time interval from 0 to the last quantifiable time point (fe urine,0-tz)Up to 24 days
Fraction of [14C]-radioactivity excreted in faeces as percentage of the administered dose over the time interval from 0 to the last quantifiable time point (fe faeces,0-tz)Up to 24 days
Sum of fe urine,0-tz and fe faeces,0-tz (total recovery of [14C]-radioactivity)Up to 24 days
Area under the concentration-time curve of BI 1815368 in plasma over the time interval from 0 extrapolated to infinity (AUC0-∞), after oral administration of BI 1815368 (C-14)Up to 24 days
AUC0-∞ of [13C]- BI 1815368, after a concomitant IV infusion of BI 1815368 (C-13)Up to 24 days

Secondary

MeasureTime frame
Maximum measured concentration of BI 1815368 in plasma (Cmax), after oral administration of BI 1815368 (C-14)Up to 24 days
Area under the concentration-time curve of BI 1815368 in plasma over the time interval from 0 to the last quantifiable data point, after oral administration of BI 1815368 (C-14)Up to 24 days
Cmax of [14C]-radioactivity, after oral administration of BI 1815368 (C-14)Up to 24 days
AUC0-tz of [14C]-radioactivity, after oral administration of BI 1815368 (C-14)Up to 24 days
Cmax of [13C]- BI 1815368Up to 24 days
AUC0-tz of [13C]- BI 1815368Up to 24 days

Countries

Netherlands

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 16, 2026