Trial Outcomes & Findings for A Study Comparing Two Formulations of Selpercatinib (LY3527723) in Healthy Participants (NCT NCT05089019)

NCT ID: NCT05089019

Last Updated: 2025-03-17

Results Overview

PK: Cmax of Selpercatinib

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

224 participants

Primary outcome timeframe

Day 1 and Day 15: Predose, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, 72, 96, 120, 144, 192, 240, and 312 hours (h) postdose;

Results posted on

2025-03-17

Participant Flow

This study included a washout period of 14 days between doses of selpercatinib.

Participant milestones

Participant milestones
Measure
Sequence 1 - Selpercatinib Reference/Test
Sequence 1: 160 mg selpercatinib (2 x 80 mg capsules) in Period 1, 160 mg selpercatinib (1 x 160 mg tablet) in Period 2.
Sequence 2 - Selpercatinib Test/Reference
Sequence 2: 160 mg selpercatinib (1 x 160 mg tablet) in Period 1, 160 mg Selpercatinib (2 x 80 mg capsules) in Period 2.
Period 1
STARTED
112
112
Period 1
Received at Least One Dose of Study Drug
112
112
Period 1
COMPLETED
112
111
Period 1
NOT COMPLETED
0
1
Washout Period
STARTED
112
111
Washout Period
COMPLETED
100
104
Washout Period
NOT COMPLETED
12
7
Period 2
STARTED
100
104
Period 2
Received at Least One Dose of Study Drug
100
104
Period 2
COMPLETED
95
101
Period 2
NOT COMPLETED
5
3

Reasons for withdrawal

Reasons for withdrawal
Measure
Sequence 1 - Selpercatinib Reference/Test
Sequence 1: 160 mg selpercatinib (2 x 80 mg capsules) in Period 1, 160 mg selpercatinib (1 x 160 mg tablet) in Period 2.
Sequence 2 - Selpercatinib Test/Reference
Sequence 2: 160 mg selpercatinib (1 x 160 mg tablet) in Period 1, 160 mg Selpercatinib (2 x 80 mg capsules) in Period 2.
Period 1
Withdrawal by Subject
0
1
Washout Period
Adverse Event
3
4
Washout Period
Lost to Follow-up
1
0
Washout Period
Physician Decision
2
0
Washout Period
Withdrawal by Subject
6
3
Period 2
Adverse Event
4
2
Period 2
Lost to Follow-up
1
0
Period 2
Withdrawal by Subject
0
1

Baseline Characteristics

A Study Comparing Two Formulations of Selpercatinib (LY3527723) in Healthy Participants

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sequence 1 - Selpercatinib Reference/Test
n=112 Participants
Sequence 1: 160 mg selpercatinib (2 x 80 mg capsules) Reference/160 mg selpercatinib (1 x 160 mg tablet) Test
Sequence 2: Selpercatinib Test/Reference
n=112 Participants
Sequence 2: 160 mg selpercatinib (1 x 160 mg tablet) Test/160 mg selpercatinib (2 x 80 mg capsules) Reference
Total
n=224 Participants
Total of all reporting groups
Age, Continuous
42.1 years
STANDARD_DEVIATION 12.3 • n=5 Participants
42.8 years
STANDARD_DEVIATION 12.4 • n=7 Participants
42.5 years
STANDARD_DEVIATION 12.3 • n=5 Participants
Sex: Female, Male
Female
53 Participants
n=5 Participants
53 Participants
n=7 Participants
106 Participants
n=5 Participants
Sex: Female, Male
Male
59 Participants
n=5 Participants
59 Participants
n=7 Participants
118 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
35 Participants
n=5 Participants
36 Participants
n=7 Participants
71 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
77 Participants
n=5 Participants
76 Participants
n=7 Participants
153 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Asian
6 Participants
n=5 Participants
4 Participants
n=7 Participants
10 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
45 Participants
n=5 Participants
37 Participants
n=7 Participants
82 Participants
n=5 Participants
Race (NIH/OMB)
White
59 Participants
n=5 Participants
67 Participants
n=7 Participants
126 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
3 Participants
n=7 Participants
4 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
112 participants
n=5 Participants
112 participants
n=7 Participants
224 participants
n=5 Participants

PRIMARY outcome

Timeframe: Day 1 and Day 15: Predose, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, 72, 96, 120, 144, 192, 240, and 312 hours (h) postdose;

Population: All participants who received at least 1 dose of Selpercatinib and have evaluable PK data.

PK: Cmax of Selpercatinib

Outcome measures

Outcome measures
Measure
160 mg Selpercatinib (Reference)
n=209 Participants
160 milligram (mg) Selpercatinib (2 x 80 mg capsules) administered orally on Day 1 or Day 15 according to the randomization schedule.
160 mg Selpercatinib (Test)
n=206 Participants
160 mg Selpercatinib (tablet) administered orally according to the randomization schedule.
Pharmacokinetics (PK): Maximum Concentration (Cmax) of Selpercatinib
1520 nanograms per milliliter (ng/mL)
Geometric Coefficient of Variation 61
1350 nanograms per milliliter (ng/mL)
Geometric Coefficient of Variation 91

PRIMARY outcome

Timeframe: Day 1 and Day 15: Predose, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, 72, 96, 120, 144, 192, 240, and 312 hours (h) postdose;

Population: All participants who received at least one dose of selpercatinib and had evaluable PK data.

PK: AUC\[0-∞\] of Selpercatinib.

Outcome measures

Outcome measures
Measure
160 mg Selpercatinib (Reference)
n=206 Participants
160 milligram (mg) Selpercatinib (2 x 80 mg capsules) administered orally on Day 1 or Day 15 according to the randomization schedule.
160 mg Selpercatinib (Test)
n=200 Participants
160 mg Selpercatinib (tablet) administered orally according to the randomization schedule.
PK: Area Under the Plasma Concentration Versus Time Curve From Zero to Infinity (AUC[0-∞]) of Selpercatinib
20700 nanograms*hour per milliliter (ng*hr/mL)
Geometric Coefficient of Variation 45
19300 nanograms*hour per milliliter (ng*hr/mL)
Geometric Coefficient of Variation 51

PRIMARY outcome

Timeframe: Day 1 and Day 15: Predose, 0.5, 0.75, 1, 1.5, 2, 2.5, 3, 3.5, 4, 6, 8, 12, 24, 48, 72, 96, 120, 144, 192, 240, and 312 hours (h) postdose;

Population: All participants who received at least one dose of selpercatinib and had evaluable PK data.

PK: AUC\[0-tlast\] of Selpercatinib

Outcome measures

Outcome measures
Measure
160 mg Selpercatinib (Reference)
n=206 Participants
160 milligram (mg) Selpercatinib (2 x 80 mg capsules) administered orally on Day 1 or Day 15 according to the randomization schedule.
160 mg Selpercatinib (Test)
n=204 Participants
160 mg Selpercatinib (tablet) administered orally according to the randomization schedule.
Area Under the Plasma Concentration Versus Time Curve From Time Zero to the Last Measured Concentration Value (AUC[0-tlast]) of Selpercatinib
20200 ng*hr/mL
Geometric Coefficient of Variation 47
18100 ng*hr/mL
Geometric Coefficient of Variation 65

Adverse Events

160 mg Selpercatinib (2 x 80 mg Reference)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

160 mg Selpercatinib (1 x 160 mg Test)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Chief Medical Officer

Eli Lilly and Company

Phone: 8005955979

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: GT60