Trial Outcomes & Findings for A Bioequivalence Study of Mirikizumab (LY3074828) Solution in Healthy Participants (NCT NCT05644353)

NCT ID: NCT05644353

Last Updated: 2025-03-28

Results Overview

PK: Cmax of Mirikizumab

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

450 participants

Primary outcome timeframe

Pre-dose, 72, 120, 192, 264, 360, 528, 696, 1032, 1368, 1704 and, 2040 hours post day 1 dose

Results posted on

2025-03-28

Participant Flow

Participant milestones

Participant milestones
Measure
Mirikizumab - Abdomen
Participants received 3 milliliter (mL) mirikizumab as 2 subcutaneous (SC) injections of 1 mL and 2 mL delivered via Pre-filled Syringe (PFS) in the abdomen on Day 1.
Mirikizumab - Arm
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Mirikizumab - Thigh
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
Citrate-Free Mirikizumab - Abdomen
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to the abdomen on Day 1.
Citrate-Free Mirikizumab - Arm
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Citrate-Free Mirikizumab - Thigh
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
Overall Study
STARTED
74
76
76
75
75
74
Overall Study
Received At Least One Dose of Study Drug
74
76
76
75
75
74
Overall Study
COMPLETED
72
74
75
75
74
74
Overall Study
NOT COMPLETED
2
2
1
0
1
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Mirikizumab - Abdomen
Participants received 3 milliliter (mL) mirikizumab as 2 subcutaneous (SC) injections of 1 mL and 2 mL delivered via Pre-filled Syringe (PFS) in the abdomen on Day 1.
Mirikizumab - Arm
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Mirikizumab - Thigh
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
Citrate-Free Mirikizumab - Abdomen
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to the abdomen on Day 1.
Citrate-Free Mirikizumab - Arm
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Citrate-Free Mirikizumab - Thigh
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
Overall Study
Physician Decision
1
0
0
0
0
0
Overall Study
Protocol Violation
1
0
0
0
0
0
Overall Study
Withdrawal by Subject
0
2
0
0
1
0
Overall Study
Lost to Follow-up
0
0
1
0
0
0

Baseline Characteristics

A Bioequivalence Study of Mirikizumab (LY3074828) Solution in Healthy Participants

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Mirikizumab - Abdomen
n=74 Participants
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS in the abdomen on Day 1.
Mirikizumab - Arm
n=76 Participants
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Mirikizumab - Thigh
n=76 Participants
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
Citrate-Free Mirikizumab - Abdomen
n=75 Participants
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to the abdomen on Day 1.
Citrate-Free Mirikizumab - Arm
n=75 Participants
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Citrate-Free Mirikizumab - Thigh
n=74 Participants
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
Total
n=450 Participants
Total of all reporting groups
Age, Continuous
39.2 years
STANDARD_DEVIATION 12.9 • n=5 Participants
41.9 years
STANDARD_DEVIATION 13.4 • n=7 Participants
41.5 years
STANDARD_DEVIATION 11.9 • n=5 Participants
40.3 years
STANDARD_DEVIATION 12.5 • n=4 Participants
41.4 years
STANDARD_DEVIATION 12.5 • n=21 Participants
40.8 years
STANDARD_DEVIATION 12.5 • n=8 Participants
40.9 years
STANDARD_DEVIATION 12.6 • n=8 Participants
Sex: Female, Male
Female
38 Participants
n=5 Participants
50 Participants
n=7 Participants
41 Participants
n=5 Participants
36 Participants
n=4 Participants
38 Participants
n=21 Participants
35 Participants
n=8 Participants
238 Participants
n=8 Participants
Sex: Female, Male
Male
36 Participants
n=5 Participants
26 Participants
n=7 Participants
35 Participants
n=5 Participants
39 Participants
n=4 Participants
37 Participants
n=21 Participants
39 Participants
n=8 Participants
212 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
42 Participants
n=5 Participants
48 Participants
n=7 Participants
48 Participants
n=5 Participants
45 Participants
n=4 Participants
44 Participants
n=21 Participants
44 Participants
n=8 Participants
271 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
32 Participants
n=5 Participants
27 Participants
n=7 Participants
28 Participants
n=5 Participants
30 Participants
n=4 Participants
31 Participants
n=21 Participants
30 Participants
n=8 Participants
178 Participants
n=8 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
1 Participants
n=8 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
2 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
2 Participants
n=8 Participants
4 Participants
n=8 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
3 Participants
n=21 Participants
4 Participants
n=8 Participants
10 Participants
n=8 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
Black or African American
13 Participants
n=5 Participants
8 Participants
n=7 Participants
12 Participants
n=5 Participants
9 Participants
n=4 Participants
12 Participants
n=21 Participants
13 Participants
n=8 Participants
67 Participants
n=8 Participants
Race (NIH/OMB)
White
56 Participants
n=5 Participants
62 Participants
n=7 Participants
62 Participants
n=5 Participants
64 Participants
n=4 Participants
56 Participants
n=21 Participants
53 Participants
n=8 Participants
353 Participants
n=8 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
0 Participants
n=4 Participants
1 Participants
n=21 Participants
1 Participants
n=8 Participants
6 Participants
n=8 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
2 Participants
n=7 Participants
1 Participants
n=5 Participants
2 Participants
n=4 Participants
3 Participants
n=21 Participants
1 Participants
n=8 Participants
10 Participants
n=8 Participants
Region of Enrollment
United States
74 Participants
n=5 Participants
76 Participants
n=7 Participants
76 Participants
n=5 Participants
75 Participants
n=4 Participants
75 Participants
n=21 Participants
74 Participants
n=8 Participants
450 Participants
n=8 Participants

PRIMARY outcome

Timeframe: Pre-dose, 72, 120, 192, 264, 360, 528, 696, 1032, 1368, 1704 and, 2040 hours post day 1 dose

Population: All participants who received at least one dose of study drug and had evaluable PK data for this outcome. Per protocol, PK analysis was performed to compare all mirikizumab participants together versus all citrate-free mirikizumab participants together.

PK: Cmax of Mirikizumab

Outcome measures

Outcome measures
Measure
Mirikizumab
n=207 Participants
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to abdomen or arms or thighs on Day 1.
Citrate-Free Mirikizumab
n=208 Participants
Participants received 3 mL citrate- free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to abdomen or arms or thighs on Day 1.
Pharmacokinetics (PK): Maximum Concentration (Cmax) of Mirikizumab in a Citrate-free Solution Formulation Compared to the Solution Formulation
20.9 micrograms per milliliter (μg/mL)
Geometric Coefficient of Variation 43
20.9 micrograms per milliliter (μg/mL)
Geometric Coefficient of Variation 39

PRIMARY outcome

Timeframe: Pre-dose, 72, 120, 192, 264, 360, 528, 696, 1032, 1368, 1704 and, 2040 hours post day 1 dose

Population: All participants who received at least one dose of study drug and had evaluable PK data for this outcome. Per protocol, PK analysis was performed to compare all mirikizumab participants together versus all citrate-free mirikizumab participants together.

PK: AUC\[0-∞\] of Mirikizumab

Outcome measures

Outcome measures
Measure
Mirikizumab
n=205 Participants
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to abdomen or arms or thighs on Day 1.
Citrate-Free Mirikizumab
n=208 Participants
Participants received 3 mL citrate- free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to abdomen or arms or thighs on Day 1.
PK: Area Under the Plasma Concentration Versus Time Curve From Zero to Infinity (AUC[0-∞]) of Mirikizumab in a Citrate-free Solution Formulation Compared to the Solution Formulation
331 microgram*day per milliliter (μg*day/ mL
Geometric Coefficient of Variation 39
325 microgram*day per milliliter (μg*day/ mL
Geometric Coefficient of Variation 36

PRIMARY outcome

Timeframe: Pre-dose, 72, 120, 192, 264, 360, 528, 696, 1032, 1368, 1704 and, 2040 hours post day 1 dose

Population: All participants who received at least one dose of study drug and had evaluable PK data for this outcome. Per protocol, PK analysis was performed to compare all mirikizumab participants together versus all citrate-free mirikizumab participants together.

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

Outcome measures

Outcome measures
Measure
Mirikizumab
n=205 Participants
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to abdomen or arms or thighs on Day 1.
Citrate-Free Mirikizumab
n=208 Participants
Participants received 3 mL citrate- free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to abdomen or arms or thighs on Day 1.
PK: Area Under the Plasma Concentration Versus Time Curve From Time Zero to the Last Measured Concentration Value (AUC[0-tlast]) of Mirikizumab in a Citrate-free Solution Formulation Compared to the Solution Formulation
327 microgram*day per milliliter (μg*day/ mL
Geometric Coefficient of Variation 39
320 microgram*day per milliliter (μg*day/ mL
Geometric Coefficient of Variation 36

Adverse Events

Mirikizumab - Abdomen

Serious events: 0 serious events
Other events: 27 other events
Deaths: 0 deaths

Mirikizumab - Arm

Serious events: 0 serious events
Other events: 38 other events
Deaths: 0 deaths

Mirikizumab - Thigh

Serious events: 0 serious events
Other events: 36 other events
Deaths: 0 deaths

Citrate-Free Mirikizumab - Abdomen

Serious events: 0 serious events
Other events: 11 other events
Deaths: 0 deaths

Citrate-Free Mirikizumab - Arm

Serious events: 0 serious events
Other events: 17 other events
Deaths: 0 deaths

Citrate-Free Mirikizumab - Thigh

Serious events: 0 serious events
Other events: 17 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Mirikizumab - Abdomen
n=74 participants at risk
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS in the abdomen on Day 1.
Mirikizumab - Arm
n=76 participants at risk
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Mirikizumab - Thigh
n=76 participants at risk
Participants received 3 mL mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
Citrate-Free Mirikizumab - Abdomen
n=75 participants at risk
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to the abdomen on Day 1.
Citrate-Free Mirikizumab - Arm
n=75 participants at risk
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to arms on Day 1.
Citrate-Free Mirikizumab - Thigh
n=74 participants at risk
Participants received 3 mL citrate-free mirikizumab as 2 SC injections of 1 mL and 2 mL delivered via PFS to thighs on Day 1.
General disorders
Injection site reaction
25.7%
19/74 • Number of events 30 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
40.8%
31/76 • Number of events 57 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
40.8%
31/76 • Number of events 56 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
8.0%
6/75 • Number of events 10 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
16.0%
12/75 • Number of events 20 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
16.2%
12/74 • Number of events 21 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
Injury, poisoning and procedural complications
Medication error
8.1%
6/74 • Number of events 12 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
7.9%
6/76 • Number of events 12 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
6.6%
5/76 • Number of events 10 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
6.7%
5/75 • Number of events 10 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
6.7%
5/75 • Number of events 10 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
5.4%
4/74 • Number of events 8 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
Nervous system disorders
Headache
4.1%
3/74 • Number of events 7 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
2.6%
2/76 • Number of events 2 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
5.3%
4/76 • Number of events 5 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
1.3%
1/75 • Number of events 1 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
2.7%
2/75 • Number of events 2 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.
1.4%
1/74 • Number of events 1 • Baseline Through Follow-Up (Up To 13 Weeks)
All participants who have received at least one dose of study drug.

Additional Information

Chief Medical Officer

Eli Lilly and Company

Phone: 800-545-5979

Results disclosure agreements

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

Restriction type: GT60