Trial Outcomes & Findings for Clinical Trial Evaluating Lumateperone Monotherapy in the Treatment of Bipolar Depression or Major Depressive Disorder (NCT NCT04285515)

NCT ID: NCT04285515

Last Updated: 2025-03-19

Results Overview

The Montgomery-Åsberg Depression Rating Scale is a clinician-rated 10 item scale to assess depressive symptoms. Each item is rated on a 7-point scale from 0-6. The total score ranges from 0 to 60 with a higher score indicating increased severity of depressive symptoms.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

488 participants

Primary outcome timeframe

Day 43

Results posted on

2025-03-19

Participant Flow

Participant milestones

Participant milestones
Measure
Lumateperone 42mg
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Overall Study
STARTED
243
245
Overall Study
COMPLETED
211
217
Overall Study
NOT COMPLETED
32
28

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Lumateperone 42mg
n=240 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=241 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Total
n=481 Participants
Total of all reporting groups
Age, Continuous
42.9 years
STANDARD_DEVIATION 14.54 • n=240 Participants
43.4 years
STANDARD_DEVIATION 13.89 • n=241 Participants
43.2 years
STANDARD_DEVIATION 14.21 • n=481 Participants
Sex: Female, Male
Female
150 Participants
n=240 Participants
148 Participants
n=241 Participants
298 Participants
n=481 Participants
Sex: Female, Male
Male
90 Participants
n=240 Participants
93 Participants
n=241 Participants
183 Participants
n=481 Participants
Race/Ethnicity, Customized
Race · White
205 Participants
n=240 Participants
188 Participants
n=241 Participants
393 Participants
n=481 Participants
Race/Ethnicity, Customized
Race · Black or African American
32 Participants
n=240 Participants
49 Participants
n=241 Participants
81 Participants
n=481 Participants
Race/Ethnicity, Customized
Race · Asian
1 Participants
n=240 Participants
2 Participants
n=241 Participants
3 Participants
n=481 Participants
Race/Ethnicity, Customized
Race · Other
2 Participants
n=240 Participants
1 Participants
n=241 Participants
3 Participants
n=481 Participants
Race/Ethnicity, Customized
Race · Multiple
0 Participants
n=240 Participants
1 Participants
n=241 Participants
1 Participants
n=481 Participants
Region of Enrollment
United States
82 participants
n=240 Participants
78 participants
n=241 Participants
160 participants
n=481 Participants
Region of Enrollment
Ukraine
20 participants
n=240 Participants
17 participants
n=241 Participants
37 participants
n=481 Participants
Region of Enrollment
Bulgaria
75 participants
n=240 Participants
92 participants
n=241 Participants
167 participants
n=481 Participants
Region of Enrollment
Serbia
15 participants
n=240 Participants
24 participants
n=241 Participants
39 participants
n=481 Participants
Region of Enrollment
Russia
48 participants
n=240 Participants
30 participants
n=241 Participants
78 participants
n=481 Participants
Montgomery-Asberg Depression Rating Scale
Combined MDD and Bipolar Depression Mixed Features Population
31.3 units on a scale
STANDARD_DEVIATION 4.05 • n=192 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.1 units on a scale
STANDARD_DEVIATION 4.07 • n=191 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.3 units on a scale
STANDARD_DEVIATION 4.06 • n=383 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
Montgomery-Asberg Depression Rating Scale
Bipolar Depression Mixed Features Population
31.8 units on a scale
STANDARD_DEVIATION 4.40 • n=100 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.1 units on a scale
STANDARD_DEVIATION 4.01 • n=99 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.5 units on a scale
STANDARD_DEVIATION 4.22 • n=199 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
Montgomery-Asberg Depression Rating Scale
MDD Mixed Features Population
30.8 units on a scale
STANDARD_DEVIATION 3.59 • n=92 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.2 units on a scale
STANDARD_DEVIATION 4.16 • n=92 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.0 units on a scale
STANDARD_DEVIATION 3.88 • n=184 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
Montgomery-Asberg Depression Rating Scale
Overall Population
31.3 units on a scale
STANDARD_DEVIATION 4.33 • n=239 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.4 units on a scale
STANDARD_DEVIATION 4.36 • n=238 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.
31.3 units on a scale
STANDARD_DEVIATION 4.34 • n=477 Participants • Numbers analyzed below represent all patients who received at least 1 dose of study drug and who had a nonmissing (predose) baseline assessment and at least 1 nonmissing postbaseline assessment of MADRS total score in the respective population.

PRIMARY outcome

Timeframe: Day 43

Population: Combined MDD and Bipolar Depression Mixed Features Population

The Montgomery-Åsberg Depression Rating Scale is a clinician-rated 10 item scale to assess depressive symptoms. Each item is rated on a 7-point scale from 0-6. The total score ranges from 0 to 60 with a higher score indicating increased severity of depressive symptoms.

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=192 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=191 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score
-18.1 score on a scale
Standard Error 0.71
-12.4 score on a scale
Standard Error 0.70

PRIMARY outcome

Timeframe: Day 43

Population: Bipolar Depression Mixed Features Population

The Montgomery-Åsberg Depression Rating Scale is a clinician-rated 10 item scale to assess depressive symptoms. Each item is rated on a 7-point scale from 0-6. The total score ranges from 0 to 60 with a higher score indicating increased severity of depressive symptoms.

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=100 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=99 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score
-17.7 score on a scale
Standard Error 1.00
-12.0 score on a scale
Standard Error 0.96

PRIMARY outcome

Timeframe: Day 43

Population: MDD Mixed Features Population

The Montgomery-Åsberg Depression Rating Scale is a clinician-rated 10 item scale to assess depressive symptoms. Each item is rated on a 7-point scale from 0-6. The total score ranges from 0 to 60 with a higher score indicating increased severity of depressive symptoms.

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=92 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=92 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score
-18.2 score on a scale
Standard Error 0.95
-12.2 score on a scale
Standard Error 0.96

PRIMARY outcome

Timeframe: Day 43

Population: Overall Population

The Montgomery-Åsberg Depression Rating Scale is a clinician-rated 10 item scale to assess depressive symptoms. Each item is rated on a 7-point scale from 0-6. The total score ranges from 0 to 60 with a higher score indicating increased severity of depressive symptoms.

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=239 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=238 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score
-17.7 score on a scale
Standard Error 0.64
-12.1 score on a scale
Standard Error 0.63

SECONDARY outcome

Timeframe: Day 43

Population: Combined MDD and Bipolar Depression Mixed Features Population

The Clinical Global Impression Scale-Severity is a clinician-rated scale to assess a patient's overall mental health. The scale ranges from 1 (normal, not at all ill) to 7 (among the most extremely ill patients).

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=192 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=191 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Clinical From Baseline in Clinical Global Impression Scale - Severity (CGI-S)
-1.8 score on a scale
Standard Error 0.08
-1.2 score on a scale
Standard Error 0.08

SECONDARY outcome

Timeframe: Day 43

Population: Bipolar Depression Mixed Features Population

The Clinical Global Impression Scale-Severity is a clinician-rated scale to assess a patient's overall mental health. The scale ranges from 1 (normal, not at all ill) to 7 (among the most extremely ill patients).

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=100 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=99 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Clinical From Baseline in Clinical Global Impression Scale - Severity (CGI-S)
-1.8 score on a scale
Standard Error 0.11
-1.2 score on a scale
Standard Error 0.11

SECONDARY outcome

Timeframe: Day 43

Population: MDD Mixed Features Population

The Clinical Global Impression Scale-Severity is a clinician-rated scale to assess a patient's overall mental health. The scale ranges from 1 (normal, not at all ill) to 7 (among the most extremely ill patients).

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=92 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=92 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Clinical From Baseline in Clinical Global Impression Scale - Severity (CGI-S)
-1.7 score on a scale
Standard Error 0.11
-1.1 score on a scale
Standard Error 0.11

SECONDARY outcome

Timeframe: Day 43

Population: Overall Population

The Clinical Global Impression Scale-Severity is a clinician-rated scale to assess a patient's overall mental health. The scale ranges from 1 (normal, not at all ill) to 7 (among the most extremely ill patients).

Outcome measures

Outcome measures
Measure
Lumateperone 42mg
n=239 Participants
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=238 Participants
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Clinical From Baseline in Clinical Global Impression Scale - Severity (CGI-S)
-1.7 score on a scale
Standard Error 0.07
-1.1 score on a scale
Standard Error 0.07

Adverse Events

Lumateperone 42mg

Serious events: 0 serious events
Other events: 84 other events
Deaths: 0 deaths

Placebo

Serious events: 1 serious events
Other events: 37 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Lumateperone 42mg
n=240 participants at risk
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=241 participants at risk
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Skin and subcutaneous tissue disorders
Dermatitis
0.00%
0/240 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
0.41%
1/241 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.

Other adverse events

Other adverse events
Measure
Lumateperone 42mg
n=240 participants at risk
Lumateperone 42mg administered once daily in the evening Lumateperone: Lumateperone 42mg oral capsule
Placebo
n=241 participants at risk
Matching placebo administered once daily in the evening Placebos: Placebo oral capsule
Nervous system disorders
Headache
15.4%
37/240 • Number of events 37 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
12.4%
30/241 • Number of events 30 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
Nervous system disorders
Somnolence
12.9%
31/240 • Number of events 31 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
1.7%
4/241 • Number of events 4 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
Nervous system disorders
Dizziness
11.7%
28/240 • Number of events 28 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
1.7%
4/241 • Number of events 4 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
Gastrointestinal disorders
Nausea
7.9%
19/240 • Number of events 19 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.
2.1%
5/241 • Number of events 5 • From signing ICF until end of study procedures (~10 weeks), including 6 weeks of double-blind treatment.

Additional Information

Susan Kozauer, MD

Intra-Cellular Therapies, Inc.

Phone: 646 440-9333

Results disclosure agreements

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