← Trials/Trial dossier/NCT05478603
A Study to Understand How the Study Medicine (PF-07081532) is Processed in People With Liver Dysfunction
A PHASE 1, OPEN-LABEL, SINGLE-DOSE, PARALLEL GROUP STUDY TO COMPARE THE PHARMACOKINETICS OF PF-07081532 IN ADULT PARTICIPANTS WITH VARYING DEGREES OF HEPATIC IMPAIRMENT RELATIVE TO PARTICIPANTS WITHOUT HEPATIC IMPAIRMENT
Lead sponsor
Asset
Lotiglipron
Oral · GLP-1 agonist
Listed sites
2
Recruiting sites
—
Enrollment
24
actual
Study population
Healthy volunteers, Hepatic impairment
Key I/E criterion
•BMI 17.5-38
Primary endpoints
•Cmax of PF-07081532•Area Under the Plasma Concentration-time Profile From Time Zero Extrapolated•Area Under the Plasma Concentration-time Profile
Footprint
Where this trial recruits
Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.
Identifiers
Registered as
Timeline
Milestones
Assets
Investigational agents
Study populations
Who this study enrolls
Eligibility
Who can enroll
Inclusion criteria
Exclusion criteria
Endpoints (22)
What's being measured
Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.
Safety / tolerability / PK
22 endpointsMaximum Plasma Concentration (Cmax) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
concentration, descriptive
Posted result
| Group | Value (geometric_mean), nanogram per milliliter (ng/mL) | 95% CI |
|---|---|---|
| Without Hepatic Impairment | 2236 | — |
| Mild Hepatic Impairment | 2121 | — |
| Moderate Hepatic Impairment | 2230 | — |
| Severe Hepatic Impairment | 1536 | — |
Area Under the Plasma Concentration-time Profile From Time Zero Extrapolated to Infinite Time (AUCinf) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
concentration, descriptive
Posted result
| Group | Value (geometric_mean), nanogram*hour per milliliter (ng*hr/mL) | 95% CI |
|---|---|---|
| Without Hepatic Impairment | 43200 | — |
| Mild Hepatic Impairment | 44010 | — |
| Moderate Hepatic Impairment | 67430 | — |
| Severe Hepatic Impairment | 41680 | — |
Area Under the Plasma Concentration-time Profile From Time Zero to the Time of the Last Quantifiable Concentration (AUClast) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
concentration, descriptive
Posted result
| Group | Value (geometric_mean), ng*hr/mL | 95% CI |
|---|---|---|
| Without Hepatic Impairment | 40990 | — |
| Mild Hepatic Impairment | 41900 | — |
| Moderate Hepatic Impairment | 62680 | — |
| Severe Hepatic Impairment | 39800 | — |
Fraction of Unbound Drug in Plasma (Fu) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
concentration, descriptive
Posted result
| Group | Value (geometric_mean), Ratio | 95% CI |
|---|---|---|
| Without Hepatic Impairment | 0.0002753 | — |
| Mild Hepatic Impairment | 0.0002568 | — |
| Moderate Hepatic Impairment | 0.0002937 | — |
| Severe Hepatic Impairment | 0.0006780 | — |
Unbound Cmax (Cmax,u) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
concentration, descriptive
Posted result
| Group | Value (geometric_mean), ng/mL | 95% CI |
|---|---|---|
| Without Hepatic Impairment | 0.6156 | — |
| Mild Hepatic Impairment | 0.5448 | — |
| Moderate Hepatic Impairment | 0.6551 | — |
| Severe Hepatic Impairment | 1.042 | — |
Unbound AUCinf (AUCinf,u) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
descriptive
Posted result
| Group | Value (geometric_mean), ng*hr/mL | 95% CI |
|---|---|---|
| Without Hepatic Impairment | 11.88 | — |
| Mild Hepatic Impairment | 11.30 | — |
| Moderate Hepatic Impairment | 19.81 | — |
| Severe Hepatic Impairment | 28.24 | — |
Unbound AUClast (AUClast,u) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
descriptive
Posted result
| Group | Value (geometric_mean), ng*hr/mL | 95% CI |
|---|---|---|
| Without Hepatic Impairment | 11.29 | — |
| Mild Hepatic Impairment | 10.76 | — |
| Moderate Hepatic Impairment | 18.41 | — |
| Severe Hepatic Impairment | 27.02 | — |
Maximum Plasma Concentration (Cmax) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
Cmax
concentration, descriptive
Area Under the Plasma Concentration-time Profile From Time Zero Extrapolated to Infinite Time (AUCinf) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
AUC₀–∞
concentration, descriptive
Area Under the Plasma Concentration-time Profile From Time Zero to the Time of the Last Quantifiable Concentration (AUClast) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
AUC₀–∞
concentration, descriptive
Fraction of Unbound Drug in Plasma (Fu) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
ratio, descriptive
Unbound Cmax (Cmax,u) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
Cmax
concentration, descriptive
Unbound AUCinf (AUCinf,u) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
AUC₀–∞
concentration, descriptive
Unbound AUClast (AUClast,u) of PF-07081532
Time frame:At 0 (prior to dose), 0.5, 1, 2, 4, 6, 8, 10, 12, 15, 24, 36, 48, 72, 96, 120, and 144 hours post dose on Day 1
AUC₀–∞
concentration, descriptive
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Time frame:Day 1 to Day 36
event count, event
Posted result
| Group | Value (count_of_participants), Participants | 95% CI |
|---|---|---|
| Without Hepatic ImpairmentAll-causality TEAEs | 1 | — |
| Treatment-related TEAEs | 0 | — |
| Mild Hepatic ImpairmentAll-causality TEAEs | 0 | — |
| Treatment-related TEAEs | 0 | — |
| Moderate Hepatic ImpairmentAll-causality TEAEs | 0 | — |
| Treatment-related TEAEs | 0 | — |
| Severe Hepatic ImpairmentAll-causality TEAEs | 1 | — |
| Treatment-related TEAEs | 1 | — |
Number of Participants With Clinical Laboratory Abnormalities (Without Regard to Baseline Abnormality)
Time frame:From baseline (BL) to Day 7
event count, event
Posted result
| Group | Value (count_of_participants), Participants | 95% CI |
|---|---|---|
| Without Hepatic ImpairmentHemoglobin (gram per deciliter [g/dL]) <0.8*lower limit of normal (LLN) | 0 | — |
| Hematocrit (%) <0.8*LLN | 0 | — |
| Erythrocytes (10^12/liter [L]) <0.8*LLN | 0 | — |
| Ery. Mean Corpuscular Volume (femtoliter [fL]) >1.1*ULN | 0 | — |
| Ery. Mean Corpuscular Hemoglobin (picogram/cell [pg/cell]) <0.9*LLN | 1 | — |
| Platelets (10^9/L) <0.5*LLN | 0 | — |
| Neutrophils (10^9/L) <0.8*LLN | 0 | — |
| Basophils/Leukocytes (%) >1.2*ULN | 0 | — |
| Eosinophils/Leukocytes (%) >1.2*ULN | 0 | — |
| Monocytes/Leukocytes (%) >1.2*ULN | 0 | — |
| Activated Partial Thromboplastin Time (second [sec]) >1.1*ULN | 2 | — |
| Prothrombin Time (sec) >1.1*ULN | 0 | — |
| Prothrombin International Normalized Ratio >1.1*ULN | 0 | — |
| Bilirubin (milligram per deciliter [mg/dL]) >1.5*ULN | 0 | — |
| Direct Bilirubin (mg/dL) >1.5*ULN | 0 | — |
| Indirect Bilirubin (mg/dL) >1.5*ULN | 0 | — |
| Aspartate Aminotransferase (unit per liter [U/L]) >3.0*ULN | 0 | — |
| Gamma Glutamyl Transferase (U/L) >3.0*ULN | 0 | — |
| Albumin (g/dL) <0.8*LLN | 0 | — |
| Urate (mg/dL) >1.2*ULN | 0 | — |
| Ketones ≥1 | 0 | — |
| URINE Hemoglobin ≥1 | 0 | — |
| Urobilinogen ≥1 | 0 | — |
| URINE Bilirubin ≥1 | 0 | — |
| Leukocyte Esterase ≥1 | 1 | — |
| Epithelial Cells (/low-power field [LPF]) ≥6 | 0 | — |
| Mild Hepatic ImpairmentHemoglobin (gram per deciliter [g/dL]) <0.8*lower limit of normal (LLN) | 0 | — |
| Hematocrit (%) <0.8*LLN | 0 | — |
| Erythrocytes (10^12/liter [L]) <0.8*LLN | 0 | — |
| Ery. Mean Corpuscular Volume (femtoliter [fL]) >1.1*ULN | 0 | — |
| Ery. Mean Corpuscular Hemoglobin (picogram/cell [pg/cell]) <0.9*LLN | 0 | — |
| Platelets (10^9/L) <0.5*LLN | 0 | — |
| Neutrophils (10^9/L) <0.8*LLN | 0 | — |
| Basophils/Leukocytes (%) >1.2*ULN | 0 | — |
| Eosinophils/Leukocytes (%) >1.2*ULN | 0 | — |
| Monocytes/Leukocytes (%) >1.2*ULN | 0 | — |
| Activated Partial Thromboplastin Time (second [sec]) >1.1*ULN | 5 | — |
| Prothrombin Time (sec) >1.1*ULN | 1 | — |
| Prothrombin International Normalized Ratio >1.1*ULN | 1 | — |
| Bilirubin (milligram per deciliter [mg/dL]) >1.5*ULN | 0 | — |
| Direct Bilirubin (mg/dL) >1.5*ULN | 0 | — |
| Indirect Bilirubin (mg/dL) >1.5*ULN | 0 | — |
| Aspartate Aminotransferase (unit per liter [U/L]) >3.0*ULN | 1 | — |
| Gamma Glutamyl Transferase (U/L) >3.0*ULN | 1 | — |
| Albumin (g/dL) <0.8*LLN | 0 | — |
| Urate (mg/dL) >1.2*ULN | 0 | — |
| Ketones ≥1 | 0 | — |
| URINE Hemoglobin ≥1 | 0 | — |
| Urobilinogen ≥1 | 0 | — |
| URINE Bilirubin ≥1 | 0 | — |
| Leukocyte Esterase ≥1 | 2 | — |
| Epithelial Cells (/low-power field [LPF]) ≥6 | 0 | — |
| Moderate Hepatic ImpairmentHemoglobin (gram per deciliter [g/dL]) <0.8*lower limit of normal (LLN) | 0 | — |
| Hematocrit (%) <0.8*LLN | 0 | — |
| Erythrocytes (10^12/liter [L]) <0.8*LLN | 0 | — |
| Ery. Mean Corpuscular Volume (femtoliter [fL]) >1.1*ULN | 1 | — |
| Ery. Mean Corpuscular Hemoglobin (picogram/cell [pg/cell]) <0.9*LLN | 0 | — |
| Platelets (10^9/L) <0.5*LLN | 1 | — |
| Neutrophils (10^9/L) <0.8*LLN | 0 | — |
| Basophils/Leukocytes (%) >1.2*ULN | 1 | — |
| Eosinophils/Leukocytes (%) >1.2*ULN | 0 | — |
| Monocytes/Leukocytes (%) >1.2*ULN | 0 | — |
| Activated Partial Thromboplastin Time (second [sec]) >1.1*ULN | 5 | — |
| Prothrombin Time (sec) >1.1*ULN | 2 | — |
| Prothrombin International Normalized Ratio >1.1*ULN | 3 | — |
| Bilirubin (milligram per deciliter [mg/dL]) >1.5*ULN | 2 | — |
| Direct Bilirubin (mg/dL) >1.5*ULN | 2 | — |
| Indirect Bilirubin (mg/dL) >1.5*ULN | 1 | — |
| Aspartate Aminotransferase (unit per liter [U/L]) >3.0*ULN | 0 | — |
| Gamma Glutamyl Transferase (U/L) >3.0*ULN | 2 | — |
| Albumin (g/dL) <0.8*LLN | 0 | — |
| Urate (mg/dL) >1.2*ULN | 1 | — |
| Ketones ≥1 | 0 | — |
| URINE Hemoglobin ≥1 | 0 | — |
| Urobilinogen ≥1 | 1 | — |
| URINE Bilirubin ≥1 | 0 | — |
| Leukocyte Esterase ≥1 | 1 | — |
| Epithelial Cells (/low-power field [LPF]) ≥6 | 1 | — |
| Severe Hepatic ImpairmentHemoglobin (gram per deciliter [g/dL]) <0.8*lower limit of normal (LLN) | 3 | — |
| Hematocrit (%) <0.8*LLN | 2 | — |
| Erythrocytes (10^12/liter [L]) <0.8*LLN | 1 | — |
| Ery. Mean Corpuscular Volume (femtoliter [fL]) >1.1*ULN | 0 | — |
| Ery. Mean Corpuscular Hemoglobin (picogram/cell [pg/cell]) <0.9*LLN | 1 | — |
| Platelets (10^9/L) <0.5*LLN | 1 | — |
| Neutrophils (10^9/L) <0.8*LLN | 1 | — |
| Basophils/Leukocytes (%) >1.2*ULN | 1 | — |
| Eosinophils/Leukocytes (%) >1.2*ULN | 2 | — |
| Monocytes/Leukocytes (%) >1.2*ULN | 3 | — |
| Activated Partial Thromboplastin Time (second [sec]) >1.1*ULN | 5 | — |
| Prothrombin Time (sec) >1.1*ULN | 6 | — |
| Prothrombin International Normalized Ratio >1.1*ULN | 6 | — |
| Bilirubin (milligram per deciliter [mg/dL]) >1.5*ULN | 4 | — |
| Direct Bilirubin (mg/dL) >1.5*ULN | 4 | — |
| Indirect Bilirubin (mg/dL) >1.5*ULN | 3 | — |
| Aspartate Aminotransferase (unit per liter [U/L]) >3.0*ULN | 1 | — |
| Gamma Glutamyl Transferase (U/L) >3.0*ULN | 1 | — |
| Albumin (g/dL) <0.8*LLN | 4 | — |
| Urate (mg/dL) >1.2*ULN | 0 | — |
| Ketones ≥1 | 2 | — |
| URINE Hemoglobin ≥1 | 1 | — |
| Urobilinogen ≥1 | 3 | — |
| URINE Bilirubin ≥1 | 1 | — |
| Leukocyte Esterase ≥1 | 1 | — |
| Epithelial Cells (/low-power field [LPF]) ≥6 | 1 | — |
Number of Participants With Vital Signs Data Meeting the Pre-defined Categorical Summarization Criteria
Time frame:From BL to Day 7
event count, event
Posted result
| Group | Value (count_of_participants), Participants | 95% CI |
|---|---|---|
| Without Hepatic ImpairmentDiastolic BP Value <50mmHg | 0 | — |
| Diastolic BP Increase ≥20mmHg | 1 | — |
| Diastolic BP Decrease ≥20mmHg | 0 | — |
| Pulse Rate Value <40bpm | 0 | — |
| Pulse Rate Value >120bpm | 0 | — |
| Systolic BP Value <90mmHg | 0 | — |
| Systolic BP Increase ≥30mmHg | 0 | — |
| Systolic BP Decrease ≥30mmHg | 0 | — |
| Mild Hepatic ImpairmentDiastolic BP Value <50mmHg | 0 | — |
| Diastolic BP Increase ≥20mmHg | 0 | — |
| Diastolic BP Decrease ≥20mmHg | 0 | — |
| Pulse Rate Value <40bpm | 0 | — |
| Pulse Rate Value >120bpm | 0 | — |
| Systolic BP Value <90mmHg | 0 | — |
| Systolic BP Increase ≥30mmHg | 0 | — |
| Systolic BP Decrease ≥30mmHg | 0 | — |
| Moderate Hepatic ImpairmentDiastolic BP Value <50mmHg | 1 | — |
| Diastolic BP Increase ≥20mmHg | 0 | — |
| Diastolic BP Decrease ≥20mmHg | 1 | — |
| Pulse Rate Value <40bpm | 0 | — |
| Pulse Rate Value >120bpm | 0 | — |
| Systolic BP Value <90mmHg | 0 | — |
| Systolic BP Increase ≥30mmHg | 0 | — |
| Systolic BP Decrease ≥30mmHg | 2 | — |
| Severe Hepatic ImpairmentDiastolic BP Value <50mmHg | 0 | — |
| Diastolic BP Increase ≥20mmHg | 1 | — |
| Diastolic BP Decrease ≥20mmHg | 0 | — |
| Pulse Rate Value <40bpm | 0 | — |
| Pulse Rate Value >120bpm | 0 | — |
| Systolic BP Value <90mmHg | 0 | — |
| Systolic BP Increase ≥30mmHg | 0 | — |
| Systolic BP Decrease ≥30mmHg | 0 | — |
Number of Participants With Electrocardiogram (ECG) Data Meeting the Pre-defined Categorical Summarization Criteria
Time frame:From BL to Day 7
event count, event
Posted result
| Group | Value (count_of_participants), Participants | 95% CI |
|---|---|---|
| Without Hepatic ImpairmentPR Interval Value ≥ 300 msec | 0 | — |
| PR Interval %Change ≥ 25/50% msec | 0 | — |
| QRS Interval Value ≥ 140 msec | 0 | — |
| QRS Interval %Change ≥ 50% msec | 0 | — |
| QTcF 450 < Value ≤ 480 msec | 0 | — |
| QTcF 480 < Value ≤ 500 msec | 0 | — |
| QTcF Value > 500 msec | 0 | — |
| QTcF 30 < Change ≤ 60 msec | 0 | — |
| QTcF Change > 60 msec | 0 | — |
| Mild Hepatic ImpairmentPR Interval Value ≥ 300 msec | 0 | — |
| PR Interval %Change ≥ 25/50% msec | 0 | — |
| QRS Interval Value ≥ 140 msec | 0 | — |
| QRS Interval %Change ≥ 50% msec | 0 | — |
| QTcF 450 < Value ≤ 480 msec | 0 | — |
| QTcF 480 < Value ≤ 500 msec | 0 | — |
| QTcF Value > 500 msec | 0 | — |
| QTcF 30 < Change ≤ 60 msec | 0 | — |
| QTcF Change > 60 msec | 0 | — |
| Moderate Hepatic ImpairmentPR Interval Value ≥ 300 msec | 0 | — |
| PR Interval %Change ≥ 25/50% msec | 0 | — |
| QRS Interval Value ≥ 140 msec | 0 | — |
| QRS Interval %Change ≥ 50% msec | 0 | — |
| QTcF 450 < Value ≤ 480 msec | 0 | — |
| QTcF 480 < Value ≤ 500 msec | 0 | — |
| QTcF Value > 500 msec | 0 | — |
| QTcF 30 < Change ≤ 60 msec | 0 | — |
| QTcF Change > 60 msec | 0 | — |
| Severe Hepatic ImpairmentPR Interval Value ≥ 300 msec | 0 | — |
| PR Interval %Change ≥ 25/50% msec | 0 | — |
| QRS Interval Value ≥ 140 msec | 0 | — |
| QRS Interval %Change ≥ 50% msec | 0 | — |
| QTcF 450 < Value ≤ 480 msec | 3 | — |
| QTcF 480 < Value ≤ 500 msec | 0 | — |
| QTcF Value > 500 msec | 0 | — |
| QTcF 30 < Change ≤ 60 msec | 0 | — |
| QTcF Change > 60 msec | 0 | — |
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Time frame:Day 1 to Day 36
Treatment-emergent AEs (any)
event count, event
Number of Participants With Clinical Laboratory Abnormalities (Without Regard to Baseline Abnormality)
Time frame:From baseline (BL) to Day 7
event count, event
Number of Participants With Vital Signs Data Meeting the Pre-defined Categorical Summarization Criteria
Time frame:From BL to Day 7
threshold achievement, event
componentsDiastolic BP, change, Systolic BP, change, Heart rate, change
Number of Participants With Electrocardiogram (ECG) Data Meeting the Pre-defined Categorical Summarization Criteria
Time frame:From BL to Day 7
threshold achievement, event
Provenance
Sources
Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.