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LY3484356

Phase 1

Healthy | Small molecule | Other |Eli Lilly and Company|Last Updated: Dec 11, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDBiomarker
Total Trials2
Total Enrollment98
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04991766A Study of [¹⁴C]-LY3484356 in Healthy Female ParticipantsPHASE1 COMPLETED 16Aug 13, 2021Apr 2, 2022Dec 5, 20251 United States
NCT04840888A Study of LY3484356 in Healthy Female ParticipantsPHASE1 COMPLETED 82Apr 26, 2021Apr 12, 2022Dec 11, 20252 United States
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Study Endpoints
Primary Endpoints
Part 1: Pharmacokinetics (PK): Fecal Excretion of LY3484356 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered
Predose, 24, 48, 72, 96, 120, 144, 168,192, 216, 240, 264, 288 and 312 hours post dose

The percentage of the total radioactive dose administered that was excreted in feces = (amount of radioactive dose recovered in feces / total radioactive dose administered) \* 100.

Part 1: PK: Urinary Excretion of LY3484356 Radioactivity Over Time Expressed as a Percentage of the Total Radioactive Dose Administered
Predose, 24, 48 ,72, 96, 120, 144, 168, 192, 216, 240, 264, 288 and 312 hours post dose

The percentage of the total radioactive dose administered that was excreted in urine = (amount of radioactive dose recovered in urine / total radioactive dose administered) \* 100.

Part 2: Pharmacokinetics (PK): Percent Absolute Bioavailability (F%) of LY3484356
Predose, 5 minutes(min), 15 min, 20 min, 30 min, 45 min, and 1, 2, 3, 4, 6, 8, 10, 12, 24, 48, 72, 96, 120, 144, 168, and 192 hours postdose

PK: Bioavailability is defined as the percentage of a drug which enters the circulation when introduced into the body and so is able to have an active effect. Percent absolute bioavailability, calculated for plasma LY3484356 as "F %= \[AUC (0-∞), LY3484356\] × \[Dose, \[14C\]-LY3484356\] / \[AUC (0-∞), \[14C\]-LY3484356\] × \[Dose, LY3484356\] ×100%'' Higher percent indicates better absorption of drug into the body.

Pharmacokinetics (PK): Area Under the Concentration Versus Time Curve From Zero to Infinity (AUC[0-∞]) of LY3484356 (Cohort 1)
Period 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24, 48 and 72 hours (h) postdose; Period 2: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24, 48 and 72 and 96 h postdose

PK: AUC\[0-∞\] of LY3484356

PK: AUC[0-∞] of LY3484356 (Cohort 2)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 9: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

PK: AUC\[0-∞\] of LY3484356

PK: AUC[0-∞] of LY3484356 (Cohort 3)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 10: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

PK: AUC\[0-∞\] of LY3484356

PK: AUC[0-∞] of LY3484356 (Cohort 4)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 18: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

AUC\[0-∞\] of LY3484356

PK: Time of Maximum Observed Concentration (Tmax) of LY3484356 (Cohort 1)
Period 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24, 48 and 72 h postdose; Period 2: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24, 48 and 72 and 96 h postdose

PK: Tmax of LY3484356

PK: Tmax of LY3484356 (Cohort 2)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 9: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

PK: Tmax of LY3484356

PK: Tmax of LY3484356 (Cohort 3)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 10: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

PK: Tmax of LY3484356

PK: Tmax of LY3484356 (Cohort 4)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 18: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

Tmax of LY3484356

PK: Maximum Observed Concentration (Cmax) of LY3484356 (Cohort 1)
Period 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24, 48 and 72 h postdose; Period 2: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, 24, 48 and 72 and 96 h postdose

Cmax of LY3484356

PK: Cmax of LY3484356 (Cohort 2)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 9: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

Cmax of LY3484356

PK: Cmax of LY3484356 (Cohort 3)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 10: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

Cmax of LY3484356

PK: Cmax of LY3484356 (Cohort 4)
Day 1: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose; Day 18: Predose, 0.5, 1, 2, 3, 4, 6, 8, 10, 12 h postdose

Cmax of LY3484356

Secondary Endpoints
Part 1: PK: Total Radioactivity Recovered in Urine, Feces
Predose, 24, 48, 96, 120, 144, 168, 192, 216, 240, 264, 288, 312, 336, 360, 384, 408, 432, 456 and 480 hours post dose
Part 1: Total Radioactivity Recovered in Expired Air
predose, 8, and 24 hours postdose
Part 1: PK: Total Number of Metabolites of LY3484356 in Plasma, Urine and Feces
Plasma:Predose,24,48,72,96,120,144,168,192,216,240,264 and 288 hours(h) post dose;Urine:-12 to 0h Predose,0 to 6,6-12,and 12-24,48,72,96,120,144,168,192,216,240 and 264 hours post dose;Feces:Predose,24,48,72,96,120,144, 168,192,216,240 and 264 h post dose
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
[¹⁴C]-LY3484356 (Part 1)EXPERIMENTALParticipants received a single oral dose of 400 mg Carbon 14 labelled \[¹⁴C\]-LY3484356 following an overnight fast of at least 10 hours on Day 1.
LY3484356 + [¹⁴C]-LY3484356 (Part 2)EXPERIMENTALParticipants received a single oral dose of 400 mg LY3484356 following an overnight fast of at least 10 hours on Day 1, followed 4 hours later by a single dose of less than 100 microgram (μg) \[¹⁴C\]-LY3484356 (actual ranged from 44.55 to 45.95 μg), as an intravenous (IV) infusion on day 1.
Cohort 1 Sequence 1: 400 mg LY3484356 Fasted/ 400 mg LY3484356 FedEXPERIMENTALParticipants were randomized (1:1) to 1 of 2 treatment sequences; LY3484356 administered as single doses orally with (fed) or without food (fasted) as below: Period 1: Single dose of 400 mg LY3484356 in the fasted state. Period 2: Single dose of 400 mg LY3484356 in the fed state. There was a washout period of 4 days between doses of LY3484356
Cohort 1 Sequence 2: 400 mg LY3484356 Fed/ 400 mg LY3484356 FastedEXPERIMENTALParticipants were randomized (1:1) to 1 of 2 treatment sequences; LY3484356 administered as single doses orally with (fed) or without food (fasted) as below: Period 1: Single dose of 400 mg LY3484356 in the fed state. Period 2: Single dose of 400 mg LY3484356 in the fasted state. There was a washout period of 4 days between doses of LY3484356.
Cohort 2: LY3484356 + OmeprazoleEXPERIMENTALParticipants received single dose of LY3484356 and a single dose of omeprazole alone and in combination administered orally as below: Day 1: 400 mg LY3484356 alone Days 5 to 8: 40 mg omeprazole alone once daily Day 9: 400 mg LY3484356 + 40 mg omeprazole once There was a washout period of 8 days between doses of LY3484356.
Cohort 3: LY3484356 + ItraconazoleEXPERIMENTALParticipants received single dose of LY3484356 and a single dose of Itraconazole alone and in combination administered orally as below: Day 1: 200 mg LY3484356 alone Days 5 to 9: 200 mg itraconazole alone (twice on Day 5 \[dose separated by approximately 12 hours\], then once daily on Days 6 through 9) Day 10: 200 mg LY3484356 + 200 mg itraconazole once (coadministered with the morning dose) Days 11 to 16: 200 mg itraconazole alone once daily. There was a washout period of 9 days between doses of LY3484356.
Cohort 4: LY3484356 + CarbamazepineEXPERIMENTALParticipants received single dose of LY3484356 and a single dose of carbamazepine alone and in combination administered orally as below: Day 1: 400 mg LY3484356 alone Days 6 to 8: 100 mg carbamazepine BID alone Days 9 to 11: 200 mg carbamazepine BID alone Days 12 to 17: 300 mg carbamazepine BID alone Day 18: 300 mg carbamazepine BID + 400 mg LY3484356 (coadministered with morning dose) Days 19 to 22: 300 mg carbamazepine BID alone Day 23: 300 mg carbamazepine alone (morning dose only). There was a washout period of 17 days between doses of LY3484356.
Cohort 5: Carbamazepine + MidazolamEXPERIMENTALParticipants received single dose of Carbamazepine and a single dose of midazolam alone and in combination administered orally as below: Day 1: 1.2 mg midazolam alone Days 2 to 4: 100 mg carbamazepine BID alone Days 5 to 7: 200 mg carbamazepine BID alone Days 8 to 10: 300 mg carbamazepine BID alone Day 11: 300 mg carbamazepine BID + 1.2 mg midazolam (coadministered with morning dose) Days 12 to 13: 300 mg carbamazepine BID alone Day 14: 300 mg carbamazepine BID + 1.2 mg midazolam (coadministered with morning dose).
Interventions
NameTypeDescription
[¹⁴C]-LY3484356DRUGAdministered orally.
LY3484356DRUGAdministered orally.
[¹⁴C]-LY3484356 (IV)DRUGAdministered IV.
OmeprazoleDRUGAdministered orally.
ItraconazoleDRUGAdministered orally.
CarbamazepineDRUGAdministered orally.
MidazolamDRUGAdministered orally.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexFEMALE
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Female participants of nonchildbearing potential. This includes females who are not pregnant, non-lactating and either: Infertile due to surgical sterilization or alternate medical cause/congenital or postmenopausal. * Body mass index (BMI) within the range of 18.0 to 35.0 kil...

Countries:United States
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