RCTNCT03175211Phase 1 · 2017 · n=20 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested [N (%)] of subjects with drug-related adverse events.
result Completed; results not posted
Small sample; effect at the edge of clinical significance.
RCTNCT03591718Phase 1 · 2018 · n=131 · Boehringer Ingelheim Obesity
tested Cumulative number [N (%)] of patients withdrawn from up-titration by up-titration scheme
result Completed; results not posted
RCTNCT04153929Phase 2 · 2020 · n=413 · Boehringer Ingelheim Diabetes Mellitus, Type 2
tested Absolute Change in HbA1c From Baseline to 16 Weeks
result −0.7 percentage (%) of HbA1c (Absolute Change in HbA1c From Baseline to 16 Weeks)
RCTNCT04384081Phase 1 · 2020 · n=37 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested Cumulative percentage (%) of subjects withdrawn from up-titration by dose escalation scheme.
result Completed; results not posted
RCTNCT04667377Phase 2 · 2021 · n=387 · Boehringer Ingelheim Obesity
tested Percentage Change in Body Weight From Baseline to Week 46
result −3.4 Percentage change (Percentage Change in Body Weight From Baseline to …)
RCTNCT04771273Phase 2 · 2021 · n=295 · Boehringer Ingelheim Non-alcoholic Steatohepatitis (NASH)
tested Improvement (Yes/ no) From Baseline in Liver Histological Findings Based on Liver Biopsy After 48 Weeks of Treatment in Patients With NASH (NAS ≥ 4, Fibrosis F1-F3) - Actual Maintenance Treatment
result +23.5 Percentage of participants (Improvement (Yes/ no) From Baseline in Liver Histo…)
RCTNCT05202353Phase 1 · 2024 · n=29 · Boehringer Ingelheim Obesity
tested Percentage of glucagon (GCG) receptors occupancy in the liver using Positron emission tomography (PET) imaging at End of Treatment (EOT) visit
result In progress (active-not-recruiting)
RCTNCT05751226Phase 1 · 2023 · n=88 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested Percentage of treatment-emergent adverse events
result Completed; results not posted
RCTNCT06176365Phase 3 · 2024 · n=274 · Boehringer Ingelheim Obesity
tested Percentage change in body weight from baseline to Week 76
result Completed; results not posted
RCTNCT06214741Phase 3 · 2024 · n=307 · Boehringer Ingelheim Obesity
tested Percentage change in body weight from baseline to Week 52
result Completed; results not posted
RCTNCT06352424Phase 1 · 2024 · n=23 · Boehringer Ingelheim Obesity
tested Blood Oxygen Level Dependent (BOLD) signal changes following treatment with single dose of BI 1820237 alone, BI 456906 alone, and combination of BI 1820237 + BI 456906 versus placebo
result Completed; results not posted
Small sample; effect at the edge of clinical significance.
RCTNCT06745284Phase 1 · 2025 · n=64 · Boehringer Ingelheim Obesity
tested Absolute change in sleeping metabolic rate (SMR) (measured in a whole room calorimeter) from baseline to first visit a participant reached at least 10% weight loss
result In progress (active-not-recruiting)
RCTNCT06772532Phase 1 · 2025 · n=30 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested Area under the concentration-time curve of the analyte in plasma over the time interval from 0 to the last quantifiable data point (AUC0-tz)
result Completed; results not posted
RCTNCT07071974Phase 1 · 2025 · n=16 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested AUC0-tz (area under the concentration-time curve of the analyte in plasma over the time interval from 0 to the last quantifiable data point)
result Completed; results not posted
Small sample; effect at the edge of clinical significance.
RCTNCT07206290Phase 2 · 2026 · n=120 · University Medical Center Groningen Chronic Kidney Disease
tested Change in first morning void UACR
result In progress (recruiting)
RCTNCT07754461Phase 3 · 2026 · n=600 · Boehringer Ingelheim Type 2 Diabetes
tested Absolute change in glycosylated haemoglobin A1c (HbA1c) (%) from baseline to Week 41
result In progress (recruiting)
Treatment studies
tested histologic improvement in MASH without worsening of fibrosis
result MASH improvement without fibrosis worsening: 47% (2.4 mg), 62% (4.8 mg), 43% (6.0 mg) vs 14% placebo (P<0.001).
Published human study (PubMed / Europe PMC), extracted from its abstract — not a CT.gov-registered trial.
OpenNCT05296733Phase 1 · 2022 · n=82 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested Part A: Area under the concentration-time curve of BI 456906 in plasma over the time interval from 0 extrapolated to infinity (AUC0-∞)
result Completed; results not posted
Non-randomised; effect size cannot be separated from placebo.
OpenNCT05421338Phase 1 · 2022 · n=6 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested Fraction of [14C]-radioactivity excreted in urine expressed as percentage of the administered dose over the time interval from 0 to the last quantifiable time point (fe_urine, 0-tz)
result Completed; results not posted
Non-randomised; effect size cannot be separated from placebo.
OpenNCT05896384Phase 1 · 2023 · n=32 · Boehringer Ingelheim Pharmacokinetic / healthy volunteer studies
tested Area under the concentration-time curve of ethinylestradiol in plasma over the time interval from 0 to the last quantifiable data point (AUC0-tz)
result Completed; results not posted
Non-randomised; effect size cannot be separated from placebo.
OpenNCT06492135Phase 1 · 2024 · n=30 · Boehringer Ingelheim Overweight
tested AUC0-168 (area under the concentration-time curve of survodutide in plasma over the time interval from 0 to 168h)
result Completed; results not posted
Non-randomised; effect size cannot be separated from placebo.
Preclinical / mechanistic research
tested mouse · Hepatic GCGR is required for the superior weight loss and metabolic effects of a structurally related analogue of the dual GCGR/GLP-1R agonist survodutide in mice.
result Preclinical publication captured from PubMed/Europe PMC; effect details require paper-level extraction.