Healthy Volunteers
Conditions
Brief summary
This is a single dose study of radiolabelled LY2940680 taken by mouth in healthy participants to study how the body absorbs and removes LY2940680 from the blood. This study is for research purposes only and is not intended to treat any medical condition.
Interventions
Administered as solution by mouth
Sponsors
Study design
Eligibility
Inclusion criteria
* Generally healthy sterile males or surgically sterile females or postmenopausal females, as determined by medical history and laboratory assessments * Have a body mass index (BMI) of 18.5 to 32.0 kilograms per square meter (kg/m\^2), inclusive
Exclusion criteria
* Regularly use known drugs of abuse and/or show positive findings on urinary drug screening * Have consumed herbal supplements, grapefruit juice, grapefruits, grapefruit containing products, Seville orange juice, Seville oranges, star fruit, or star fruit juice within 7 days prior to dosing or intend to consume during the study * Have donated blood of more than 500 milliliters (mL) within the last month * Have participated in a \[\^14C\]-study within the last 6 months prior to admission for this study * Exposure to significant radiation within 12 months prior to dose (for example, serial X-ray or computed tomography scans, barium meal, current employment in a job requiring radiation exposure monitoring) * Have a pattern less than once per 2 days to expel feces from the bowel through the rectum or acute constipation within 3 weeks of the day prior to dose
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Fecal Excretion of LY2940680 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered | Predose up to 14 days postdose. Samples collected at 24-h intervals. | The percentage of the total radioactive dose administered that was excreted in feces = \[(amount of radioactivity recovered in feces)/(radioactive dose administered)\]\*100. |
| Urinary Excretion of LY2940680 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered | Predose up to 14 days postdose. Samples collected at 6-h intervals on Day 1 (0-6, 6-12, and 12-24 h postdose) and at 24-h intervals thereafter. | The percentage of the total radioactive dose administered that was excreted in urine=\[(amount of radioactivity recovered in urine)/(radioactive dose administered)\]\*100. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| PK of LY2940680, LSN3185556, and Radioactivity: Time of Maximum Observed Concentration (Tmax) | Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter. | The Tmax of LY2940680, LSN3185556, and total radioactivity in plasma are reported, as well as the Tmax for total radioactivity in whole blood. |
| Plasma PK of LY2940680 and LSN3185556: Area Under the Concentration-Time Curve From Time 0 to the Last Time Point With a Measurable Concentration [AUC(0 to Tlast)] | Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter. | — |
| PK of Radioactivity: AUC(0 to Tlast) | Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter. | AUC(0 to Tlast) of total radioactivity in plasma and whole blood are reported in nanograms\*hour equivalents per gram (ng\*h Eq/g). |
| Plasma PK of LY2940680 and LSN3185556: Maximum Observed Concentration (Cmax) | Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter | The Cmax of LY2940680 and its equipotent active metabolite in the free base form, LSN3185556, is reported. |
| Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Urine | Predose up to 4 days postdose. Samples collected at 6-h intervals on Day 1 (0-6, 6-12, and 12-24 h postdose) and at 24-h intervals thereafter. | Relative abundance was expressed and calculated as the percentage of administered dose excreted in urine=\[(percentage of radioactivity in peak)/100\]\*(percentage of dose in sample). Metabolites with a relative abundance ≤1% are not reported. |
| Relative Abundance of LY2940680, the Metabolites of LY2940680, and LSN3185556 in Feces | Predose up to 8 days postdose. Samples collected at 24-h intervals. | Relative abundance was expressed and calculated as the percentage of the administered dose excreted in feces=\[(percentage of radioactivity in peak)/100\]\*(percentage of dose in sample). Metabolites with a relative abundance ≤1% are not reported. |
| Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Plasma | Day 1 up to 3 days postdose. Samples collected at 2, 3, 4, 6, and 8 h postdose on Day 1 and every 24 h thereafter. | Relative abundance was expressed and calculated as the percentage of plasma sample radioactivity=\[(radioactivity in peak)/(radioactivity in sample)\]\*100. Metabolites with a relative abundance ≤6% are not reported. |
| PK of Radioactivity: Cmax | Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter. | — |
Countries
United States
Participant flow
Pre-assignment details
Participants completed study at 14 days postdose or earlier if ≥90% of administered radioactivity recovered or 24-hour (h) urine and fecal samples from 2 consecutive collections each had radioactivity levels \<1.0% of total administered radioactivity in urine and feces combined.
Participants by arm
| Arm | Count |
|---|---|
| [^14C]-LY2940680 Single 100-mg LY2940680 dose containing 100 microCuries of \[\^14C\]-LY2940680, administered as an oral solution. | 6 |
| Total | 6 |
Baseline characteristics
| Characteristic | [^14C]-LY2940680 |
|---|---|
| Age, Customized 44 to 59 years | 6 Participants |
| Ethnicity (NIH/OMB) Hispanic or Latino | 0 Participants |
| Ethnicity (NIH/OMB) Not Hispanic or Latino | 6 Participants |
| Ethnicity (NIH/OMB) Unknown or Not Reported | 0 Participants |
| Race (NIH/OMB) American Indian or Alaska Native | 0 Participants |
| Race (NIH/OMB) Asian | 1 Participants |
| Race (NIH/OMB) Black or African American | 0 Participants |
| Race (NIH/OMB) More than one race | 0 Participants |
| Race (NIH/OMB) Native Hawaiian or Other Pacific Islander | 0 Participants |
| Race (NIH/OMB) Unknown or Not Reported | 0 Participants |
| Race (NIH/OMB) White | 5 Participants |
| Region of Enrollment United States | 6 Participants |
| Sex: Female, Male Female | 6 Participants |
| Sex: Female, Male Male | 0 Participants |
Adverse events
| Event type | EG000 affected / at risk |
|---|---|
| deaths Total, all-cause mortality | — / — |
| other Total, other adverse events | 3 / 6 |
| serious Total, serious adverse events | 0 / 6 |
Outcome results
Fecal Excretion of LY2940680 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered
The percentage of the total radioactive dose administered that was excreted in feces = \[(amount of radioactivity recovered in feces)/(radioactive dose administered)\]\*100.
Time frame: Predose up to 14 days postdose. Samples collected at 24-h intervals.
Population: Enrolled participants who received study drug and had evaluable pharmacokinetic (PK) data.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| [^14C]-LY2940680 | Fecal Excretion of LY2940680 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered | 82.7 percentage of dose administered | Standard Deviation 2.81 |
Urinary Excretion of LY2940680 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered
The percentage of the total radioactive dose administered that was excreted in urine=\[(amount of radioactivity recovered in urine)/(radioactive dose administered)\]\*100.
Time frame: Predose up to 14 days postdose. Samples collected at 6-h intervals on Day 1 (0-6, 6-12, and 12-24 h postdose) and at 24-h intervals thereafter.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| [^14C]-LY2940680 | Urinary Excretion of LY2940680 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered | 14.6 percentage of dose administered | Standard Deviation 1.68 |
PK of LY2940680, LSN3185556, and Radioactivity: Time of Maximum Observed Concentration (Tmax)
The Tmax of LY2940680, LSN3185556, and total radioactivity in plasma are reported, as well as the Tmax for total radioactivity in whole blood.
Time frame: Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (MEDIAN) |
|---|---|---|---|
| [^14C]-LY2940680 | PK of LY2940680, LSN3185556, and Radioactivity: Time of Maximum Observed Concentration (Tmax) | Plasma LY2940680 | 1.51 h |
| [^14C]-LY2940680 | PK of LY2940680, LSN3185556, and Radioactivity: Time of Maximum Observed Concentration (Tmax) | Plasma LSN3185556 | 2.50 h |
| [^14C]-LY2940680 | PK of LY2940680, LSN3185556, and Radioactivity: Time of Maximum Observed Concentration (Tmax) | Plasma Total Radioactivity | 2.00 h |
| [^14C]-LY2940680 | PK of LY2940680, LSN3185556, and Radioactivity: Time of Maximum Observed Concentration (Tmax) | Whole Blood Total Radioactivity | 2.00 h |
PK of Radioactivity: AUC(0 to Tlast)
AUC(0 to Tlast) of total radioactivity in plasma and whole blood are reported in nanograms\*hour equivalents per gram (ng\*h Eq/g).
Time frame: Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|---|
| [^14C]-LY2940680 | PK of Radioactivity: AUC(0 to Tlast) | Plasma Total Radioactivity | 64800 ng*h Eq/g | Geometric Coefficient of Variation 16 |
| [^14C]-LY2940680 | PK of Radioactivity: AUC(0 to Tlast) | Whole Blood Total Radioactivity | 38200 ng*h Eq/g | Geometric Coefficient of Variation 18 |
PK of Radioactivity: Cmax
Time frame: Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|---|
| [^14C]-LY2940680 | PK of Radioactivity: Cmax | Plasma Total Radioactivity | 2380 nanogram equivalents per gram (ng Eq/g) | Geometric Coefficient of Variation 7 |
| [^14C]-LY2940680 | PK of Radioactivity: Cmax | Whole Blood Total Radioactivity | 1520 nanogram equivalents per gram (ng Eq/g) | Geometric Coefficient of Variation 6 |
Plasma PK of LY2940680 and LSN3185556: Area Under the Concentration-Time Curve From Time 0 to the Last Time Point With a Measurable Concentration [AUC(0 to Tlast)]
Time frame: Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|---|
| [^14C]-LY2940680 | Plasma PK of LY2940680 and LSN3185556: Area Under the Concentration-Time Curve From Time 0 to the Last Time Point With a Measurable Concentration [AUC(0 to Tlast)] | Plasma LY2940680 | 5680 nanograms*hour per milliliter (ng*h/mL) | Geometric Coefficient of Variation 19 |
| [^14C]-LY2940680 | Plasma PK of LY2940680 and LSN3185556: Area Under the Concentration-Time Curve From Time 0 to the Last Time Point With a Measurable Concentration [AUC(0 to Tlast)] | Plasma LSN3185556 | 20400 nanograms*hour per milliliter (ng*h/mL) | Geometric Coefficient of Variation 32 |
Plasma PK of LY2940680 and LSN3185556: Maximum Observed Concentration (Cmax)
The Cmax of LY2940680 and its equipotent active metabolite in the free base form, LSN3185556, is reported.
Time frame: Predose up to 14 days postdose. Samples collected at 0.5, 1, 2, 3, 4, 6, 8, 10, and 12 h postdose on Day 1 and every 24 h thereafter
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|---|
| [^14C]-LY2940680 | Plasma PK of LY2940680 and LSN3185556: Maximum Observed Concentration (Cmax) | Plasma LY2940680 | 831 nanograms per milliliter (ng/mL) | Geometric Coefficient of Variation 6 |
| [^14C]-LY2940680 | Plasma PK of LY2940680 and LSN3185556: Maximum Observed Concentration (Cmax) | Plasma LSN3185556 | 1210 nanograms per milliliter (ng/mL) | Geometric Coefficient of Variation 25 |
Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Plasma
Relative abundance was expressed and calculated as the percentage of plasma sample radioactivity=\[(radioactivity in peak)/(radioactivity in sample)\]\*100. Metabolites with a relative abundance ≤6% are not reported.
Time frame: Day 1 up to 3 days postdose. Samples collected at 2, 3, 4, 6, and 8 h postdose on Day 1 and every 24 h thereafter.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| [^14C]-LY2940680 | Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Plasma | LY2940680 (parent) | 11.1 percentage of sample radioactivity | Standard Deviation 2.54 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Plasma | Metabolite M75 (LSN3185556) | 52.0 percentage of sample radioactivity | Standard Deviation 5.14 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Plasma | Metabolite M63 | 17.1 percentage of sample radioactivity | Standard Deviation 1.71 |
Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Urine
Relative abundance was expressed and calculated as the percentage of administered dose excreted in urine=\[(percentage of radioactivity in peak)/100\]\*(percentage of dose in sample). Metabolites with a relative abundance ≤1% are not reported.
Time frame: Predose up to 4 days postdose. Samples collected at 6-h intervals on Day 1 (0-6, 6-12, and 12-24 h postdose) and at 24-h intervals thereafter.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| [^14C]-LY2940680 | Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Urine | LY2940680 (parent) | 0.105 percentage of administered dose excreted | Standard Deviation 0.0937 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Urine | Metabolite M43 | 2.87 percentage of administered dose excreted | Standard Deviation 0.816 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680 and the Metabolites of LY2940680 in Urine | Metabolite M63 | 1.82 percentage of administered dose excreted | Standard Deviation 0.74 |
Relative Abundance of LY2940680, the Metabolites of LY2940680, and LSN3185556 in Feces
Relative abundance was expressed and calculated as the percentage of the administered dose excreted in feces=\[(percentage of radioactivity in peak)/100\]\*(percentage of dose in sample). Metabolites with a relative abundance ≤1% are not reported.
Time frame: Predose up to 8 days postdose. Samples collected at 24-h intervals.
Population: Enrolled participants who received study drug and had evaluable PK data.
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| [^14C]-LY2940680 | Relative Abundance of LY2940680, the Metabolites of LY2940680, and LSN3185556 in Feces | LY2940680 (parent) | 0.431 percentage of administered dose excreted | Standard Deviation 0.313 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680, the Metabolites of LY2940680, and LSN3185556 in Feces | Metabolite M43 | 37.1 percentage of administered dose excreted | Standard Deviation 1.65 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680, the Metabolites of LY2940680, and LSN3185556 in Feces | Metabolite M49 | 3.04 percentage of administered dose excreted | Standard Deviation 0.861 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680, the Metabolites of LY2940680, and LSN3185556 in Feces | Metabolite M73 | 3.19 percentage of administered dose excreted | Standard Deviation 1.43 |
| [^14C]-LY2940680 | Relative Abundance of LY2940680, the Metabolites of LY2940680, and LSN3185556 in Feces | LSN3185556 | 2.90 percentage of administered dose excreted | Standard Deviation 1.09 |