Trial Outcomes & Findings for Caplyta in Borderline Personality Disorder (NCT NCT05356013)

NCT ID: NCT05356013

Last Updated: 2026-04-23

Results Overview

A clinician-administered scale assessing borderline personality disorder symptom severity (total scores range from 0-36). Higher scores indicate more severe symptoms.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

60 participants

Primary outcome timeframe

8 weeks

Results posted on

2026-04-23

Participant Flow

Participant milestones

Participant milestones
Measure
Placebo
All subjects who are randomized to Placebo will receive an identical placebo pill to the experimental drug starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. After study conclusion (week 8), the dose will be discontinued. Placebo: Pill that contains no medicine.
Caplyta
All subjects who are randomized to Caplyta will receive 42mg/day starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. Dosage changes and reductions will not be permitted. After study conclusion (week 8), the dose will be discontinued. Caplyta: Atypical antipsychotic
Overall Study
STARTED
31
29
Overall Study
COMPLETED
24
15
Overall Study
NOT COMPLETED
7
14

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Caplyta in Borderline Personality Disorder

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=31 Participants
All subjects who are randomized to Placebo will receive an identical placebo pill to the experimental drug starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. After study conclusion (week 8), the dose will be discontinued. Placebo: Pill that contains no medicine.
Caplyta
n=29 Participants
All subjects who are randomized to Caplyta will receive 42mg/day starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. Dosage changes and reductions will not be permitted. After study conclusion (week 8), the dose will be discontinued. Caplyta: Atypical antipsychotic.
Total
n=60 Participants
Total of all reporting groups
Age, Continuous
32.5 Years
STANDARD_DEVIATION 10.73 • n=60 Participants
31.2 Years
STANDARD_DEVIATION 12.64 • n=56 Participants
32.03 Years
STANDARD_DEVIATION 11.60 • n=116 Participants
Sex/Gender, Customized
Sex · Female
17 Participants
n=60 Participants
24 Participants
n=56 Participants
41 Participants
n=116 Participants
Sex/Gender, Customized
Sex · Male
12 Participants
n=60 Participants
5 Participants
n=56 Participants
17 Participants
n=116 Participants
Sex/Gender, Customized
Sex · Other
2 Participants
n=60 Participants
0 Participants
n=56 Participants
2 Participants
n=116 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=60 Participants
1 Participants
n=56 Participants
1 Participants
n=116 Participants
Race (NIH/OMB)
Asian
2 Participants
n=60 Participants
3 Participants
n=56 Participants
5 Participants
n=116 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=60 Participants
0 Participants
n=56 Participants
0 Participants
n=116 Participants
Race (NIH/OMB)
Black or African American
6 Participants
n=60 Participants
2 Participants
n=56 Participants
8 Participants
n=116 Participants
Race (NIH/OMB)
White
15 Participants
n=60 Participants
16 Participants
n=56 Participants
31 Participants
n=116 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=60 Participants
4 Participants
n=56 Participants
5 Participants
n=116 Participants
Race (NIH/OMB)
Unknown or Not Reported
7 Participants
n=60 Participants
3 Participants
n=56 Participants
10 Participants
n=116 Participants
ZAN-BPD Total Score
15.57 Units on a scale
STANDARD_DEVIATION 3.95 • n=60 Participants
14.84 Units on a scale
STANDARD_DEVIATION 3.30 • n=56 Participants
15.33 Units on a scale
STANDARD_DEVIATION 3.76 • n=116 Participants

PRIMARY outcome

Timeframe: 8 weeks

A clinician-administered scale assessing borderline personality disorder symptom severity (total scores range from 0-36). Higher scores indicate more severe symptoms.

Outcome measures

Outcome measures
Measure
Placebo
n=23 Participants
All subjects who are randomized to Placebo will receive an identical placebo pill to the experimental drug starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. After study conclusion (week 8), the dose will be discontinued. Placebo: Pill that contains no medicine.
Caplyta
n=15 Participants
All subjects who are randomized to Caplyta will receive 42mg/day starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. Dosage changes and reductions will not be permitted. After study conclusion (week 8), the dose will be discontinued. Caplyta: Atypical antipsychotic.
Zanarini Rating Scale for Borderline Personality Disorder (ZAN-BPD)
8.74 Score on a scale
Standard Deviation 5.28
5.80 Score on a scale
Standard Deviation 3.61

SECONDARY outcome

Timeframe: 8 Weeks

A clinician-administered behavior rating scale measuring four types of aggressive behavior that will be assessed at all 9 visits. The subsets range on a scale from 0-4 with 0 indicating no aggression present. This scale tracks changes in level of aggression over time. The total weighted sum of the sections of the scale is recorded. Higher total scores indicate higher aggression levels.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A clinician-administered, 11 item scale that assesses manic symptoms at baseline and over time. Higher total scores indicate higher severity of manic symptoms. This scale is used to rate the severity of manic abnormality in the patient. Subsets of the scale range from 0-4 with 0 indicating no severity. This scale will be assessed at all visits.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A self-report scale assessing Borderline Personality severity that will be assessed at all 5 visits. This scale is assessing severity and change in BPD symptoms. Scoring is done by counting the number of yes's. A score of 8 or more is indicative of a diagnosis of borderline personality disorder.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A self rated scale used to measure severity and change. The first 12 items of the scale are on a scale from 1-5, with 5 meaning that the item caused extreme distress, severe difficulties in relationships, and/or kept them from getting things done. The lowest rating (1) means it caused little or no problems. Items 13-15 (positive behaviors) are rated according to frequency. This scale will be assessed at all visits.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A self-report assessment of impulsivity that will be assessed at baseline and Visit 5. All items are added to result in a total score. Higher total scores indicate higher impulsiveness.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A clinical interview that screens for a variety of impulsive disorders, including buying disorder, kleptomania, trichotillomania, intermittent explosive disorder, pyromania, gambling disorder, compulsive sexual behavior, and binge eating disorder.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A clinician-administered assessment of depression that will be assessed at all study visits. Higher total scores indicate higher levels of depression, while a score of 0 would indicate no depressive symptoms.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A clinician-administered assessment of anxiety that will be assessed at all study visits. Changes in scores from baseline to final visit will be assessed. Higher scores indicate higher levels of anxiety, with 0 being no symptoms of anxiety.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

A self-report assessment of patient perceived quality of life that will be assessed at baseline and visit 5. Higher scores indicate a higher quality of life, whereas lower scores indicate a lower quality of life.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 8 Weeks

Subjects will complete the SDS at all visits. The change in scores from baseline to study completion will be assessed. The scale itself assesses the level of disability from borderline personality disorder (or target disorder) with higher scores indicating a more debilitating disorder.

Outcome measures

Outcome data not reported

Adverse Events

Placebo

Serious events: 1 serious events
Other events: 16 other events
Deaths: 0 deaths

Caplyta

Serious events: 0 serious events
Other events: 14 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Placebo
n=31 participants at risk
All subjects who are randomized to Placebo will receive an identical placebo pill to the experimental drug starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. After study conclusion (week 8), the dose will be discontinued. Placebo: Pill that contains no medicine.
Caplyta
n=29 participants at risk
All subjects who are randomized to Caplyta will receive 42mg/day starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. Dosage changes and reductions will not be permitted. After study conclusion (week 8), the dose will be discontinued. Caplyta: Atypical antipsychotic.
Gastrointestinal disorders
Anorectal fissure
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
0.00%
0/29 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Endocrine disorders
Hyperthyroidism
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
0.00%
0/29 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).

Other adverse events

Other adverse events
Measure
Placebo
n=31 participants at risk
All subjects who are randomized to Placebo will receive an identical placebo pill to the experimental drug starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. After study conclusion (week 8), the dose will be discontinued. Placebo: Pill that contains no medicine.
Caplyta
n=29 participants at risk
All subjects who are randomized to Caplyta will receive 42mg/day starting the first week of the study. Subjects will be seen every two weeks for 8 weeks. Dosage changes and reductions will not be permitted. After study conclusion (week 8), the dose will be discontinued. Caplyta: Atypical antipsychotic.
Nervous system disorders
Headache
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
27.6%
8/29 • Number of events 8 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Nervous system disorders
Drowsiness
16.1%
5/31 • Number of events 5 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
17.2%
5/29 • Number of events 5 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Nervous system disorders
Fatigue
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
31.0%
9/29 • Number of events 9 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Nervous system disorders
Dizziness
6.5%
2/31 • Number of events 2 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
13.8%
4/29 • Number of events 4 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Gastrointestinal disorders
Dry mouth
9.7%
3/31 • Number of events 3 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
17.2%
5/29 • Number of events 5 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Gastrointestinal disorders
Nausea
0.00%
0/31 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
20.7%
6/29 • Number of events 6 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Endocrine disorders
Hot flash
0.00%
0/31 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
6.9%
2/29 • Number of events 3 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Gastrointestinal disorders
Diarrhea
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
0.00%
0/29 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Nervous system disorders
Insomnia
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
3.4%
1/29 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Psychiatric disorders
Depressed mood
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
0.00%
0/29 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
Nervous system disorders
Tremor
3.2%
1/31 • Number of events 1 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).
0.00%
0/29 • Adverse event data were collected from the Screening Visit to Visit 5 (8 weeks).

Additional Information

Dr. Jon E. Grant

University of Chicago

Phone: 7738341325

Results disclosure agreements

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