CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 16 enrolled
Drug / intervention
Caffeine Tablet +3 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT06215430
NCT06215430Phase 1Completed

A Phase I, Open-label, Fixed-sequence, Drug Interaction Study to Investigate the Effect of Multiple Oral Doses of LOXO-305 on CYP1A2, CYP2C9, and CYP2C19 Substrates Using a Probe Drug Cocktail in Healthy Subjects

Eli Lilly and Company·interventional·Posted Jan 22, 2024·Updated Mar 10, 2025

In Brief

A Phase 1 clinical trial evaluating Caffeine Tablet, Omeprazole capsule, and 2 other interventions for Healthy. Completed, enrolled 16 participants across 1 site.

Detailed Summary

The main purpose of this study is to evaluate the effect of LOXO-305 on single oral dose of caffeine cytochrome P450 1A2 (CYP1A2) substrate, S-warfarin (CYP2C9 substrate), and omeprazole (CYP2C19 substrate) when administered as multiple doses by collecting the blood samples and conducting the blood tests to measure how much LOXO-305 is in the bloodstream and how the body handles and eliminates LOXO-305 in adult healthy participants. The study will also evaluate the safety and tolerability of LOXO-305. The study will be conducted in two periods. Participants will stay in this study for up to 67 days, including screening.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsHealthy
CountriesUnited States
CollaboratorsLoxo Oncology, Inc.

Timeline

Phase 1CompletedFinished
202120222023202420252026
First PostedJan 22, 2024
Enrollment StartJan 11, 2021
Primary CompletionApr 15, 2021
TodayJul 2, 2026
Enrollment to primary: 3 monthsPosted 2.4 years ago

Interventions

Caffeine Tabletdrug

Administered orally.

Omeprazole capsuledrug

Administered orally.

Warfarin tabletdrug

Administered orally.

Pirtobrutinibdrug

Administered orally.