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Clinical Trial Evaluating ITI-007 as an Adjunctive Therapy to Lithium or Valproate for the Treatment of Bipolar Depression

Phase 3, Randomized, Double-Blind, Placebo-Controlled, Multi-Center Study to Assess the Efficacy and Safety of ITI-007 Adjunctive to Lithium or Valproate in the Treatment of Patients With Major Depressive Episodes Associated With Bipolar I or Bipolar II Disorder

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02600507
Enrollment
529
Registered
2015-11-09
Start date
2016-03-07
Completion date
2020-07-02
Last updated
2023-05-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bipolar Depression

Brief summary

The study will evaluate the efficacy and safety of ITI-007 adjunctive to lithium or valproate in a randomized, double-blind, parallel-group, placebo-controlled, multi-center study in patients diagnosed with Bipolar I or Bipolar II disorder having a major depressive episode.

Interventions

DRUGPlacebo

Sponsors

Intra-Cellular Therapies, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* male or female subjects of any race, ages 18-75 inclusive, with a clinical diagnosis of Bipolar I or Bipolar II disorder * experiencing a current major depressive episode * treatment with either lithium or valproate and inadequate therapeutic response of depressive symptoms

Exclusion criteria

* any subject unable to provide informed consent * any female subject who is pregnant or breastfeeding * any subject judged to be medically inappropriate for study participation

Design outcomes

Primary

MeasureTime frameDescription
Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total ScoreBaseline to Day 43The Montgomery-Åsberg Depression Rating Scale (MADRS) 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.

Secondary

MeasureTime frameDescription
Change From Baseline in Clinical Global Impression Scale-Bipolar Version-Severity (CGI-BP-S) Depression ScoreBaseline to Day 43The Clinical Global Impression Scale-Bipolar Version-Severity (CGI-BP-S) Depression Score is a clinician-rated scale that measures the patient's current state of depression from 1 (not ill at all) to 7 (among the most extremely ill).

Countries

Bulgaria, Russia, Serbia, Ukraine, United States

Participant flow

Participants by arm

ArmCount
Lumateperone 28 mg (ITI-007 40 mg Tosylate)
Lumateperone 28 mg (ITI-007 40 mg tosylate) administered orally as capsules once daily for 6 weeks Lumateperone 28 mg
176
Lumateperone 42 mg (ITI-007 60 mg Tosylate)
Lumateperone 42 mg (ITI-007 60 mg tosylate) administered orally as capsules once daily for 6 weeks Lumateperone 42 mg
177
Placebo
Placebo administered orally as visually-matched capsules once daily for 6 weeks Placebo
175
Total528

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyAdverse Event3155
Overall StudyLack of Efficacy385
Overall StudyLost to Follow-up352
Overall StudyOther011
Overall StudyPhysician Decision101
Overall StudyProtocol Violation1244
Overall StudyWithdrawal by Subject7117

Baseline characteristics

CharacteristicLumateperone 28 mg (ITI-007 40 mg Tosylate)TotalPlaceboLumateperone 42 mg (ITI-007 60 mg Tosylate)
Age, Continuous44.0 years
STANDARD_DEVIATION 13.56
44.6 years
STANDARD_DEVIATION 13.02
45.1 years
STANDARD_DEVIATION 12.93
44.7 years
STANDARD_DEVIATION 12.6
Montgomery-Asberg Depression Rating Scale (MADRS)32.5 units on a scale
STANDARD_DEVIATION 5.55
32.3 units on a scale
STANDARD_DEVIATION 5.24
32.2 units on a scale
STANDARD_DEVIATION 5.23
32.3 units on a scale
STANDARD_DEVIATION 4.96
Race/Ethnicity, Customized
Asian
0 Participants3 Participants3 Participants0 Participants
Race/Ethnicity, Customized
Black or African American
22 Participants56 Participants14 Participants20 Participants
Race/Ethnicity, Customized
Other
1 Participants3 Participants1 Participants1 Participants
Race/Ethnicity, Customized
White
153 Participants466 Participants157 Participants156 Participants
Region of Enrollment
Bulgaria
49 participants142 participants48 participants45 participants
Region of Enrollment
Russia
31 participants104 participants36 participants37 participants
Region of Enrollment
Serbia
16 participants52 participants20 participants16 participants
Region of Enrollment
Ukraine
21 participants57 participants15 participants21 participants
Region of Enrollment
United States
59 participants173 participants56 participants58 participants
Sex: Female, Male
Female
101 Participants308 Participants98 Participants109 Participants
Sex: Female, Male
Male
75 Participants220 Participants77 Participants68 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 1760 / 1770 / 175
other
Total, other adverse events
50 / 17647 / 17728 / 175
serious
Total, serious adverse events
0 / 1761 / 1770 / 175

Outcome results

Primary

Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score

The Montgomery-Åsberg Depression Rating Scale (MADRS) 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.

Time frame: Baseline to Day 43

Population: Intent-to-Treat (ITT) Set contains all randomized patients who received at least one dose of study medication and had a valid baseline (pre-dose) measurement and at least one valid post-baseline measurement of MADRS total score.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Lumateperone 28 mg (ITI-007 40 mg Tosylate)Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score-16.2 score on a scaleStandard Error 0.79
Lumateperone 42 mg (ITI-007 60 mg Tosylate)Change From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score-16.9 score on a scaleStandard Error 0.81
PlaceboChange From Baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score-14.5 score on a scaleStandard Error 0.79
p-value: 0.02195% CI: [-4.42, -0.37]Mixed Effects Model for Repeated Measure
p-value: 0.09995% CI: [-3.65, 0.32]Mixed Effects Model for Repeated Measure
Secondary

Change From Baseline in Clinical Global Impression Scale-Bipolar Version-Severity (CGI-BP-S) Depression Score

The Clinical Global Impression Scale-Bipolar Version-Severity (CGI-BP-S) Depression Score is a clinician-rated scale that measures the patient's current state of depression from 1 (not ill at all) to 7 (among the most extremely ill).

Time frame: Baseline to Day 43

Population: Intent-to-Treat (ITT) Set contains all randomized patients who received at least one dose of study medication and had a valid baseline (pre-dose) measurement and at least one valid post-baseline measurement of MADRS total score.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Lumateperone 28 mg (ITI-007 40 mg Tosylate)Change From Baseline in Clinical Global Impression Scale-Bipolar Version-Severity (CGI-BP-S) Depression Score-1.7 score on a scaleStandard Error 0.09
Lumateperone 42 mg (ITI-007 60 mg Tosylate)Change From Baseline in Clinical Global Impression Scale-Bipolar Version-Severity (CGI-BP-S) Depression Score-1.8 score on a scaleStandard Error 0.1
PlaceboChange From Baseline in Clinical Global Impression Scale-Bipolar Version-Severity (CGI-BP-S) Depression Score-1.5 score on a scaleStandard Error 0.09
p-value: 0.00895% CI: [-0.59, -0.09]Mixed Effects Model for Repeated Measure
p-value: 0.0495% CI: [-0.5, -0.01]Mixed Effects Model for Repeated Measure

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026