Trial Outcomes & Findings for Glutamate Reducing Interventions in Schizophrenia (NCT NCT03321617)

NCT ID: NCT03321617

Last Updated: 2021-12-01

Results Overview

Effect of POMA on left CA1 CBV as measured by percent change from baseline scan (Time 1) to Day 14 scan (Time 2)

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

16 participants

Primary outcome timeframe

Baseline to 14 days of POMA/placebo

Results posted on

2021-12-01

Participant Flow

5 participants consented to the protocol and underwent screening procedures but were not randomized (did not receive study medication). Reasons for screen fail: 1-withdrew consent 1-unable to undergo scan 3-study was paused due to COVID-19 pandemic

Participant milestones

Participant milestones
Measure
POMA 40mg BID (80mg)
Subject will take 40mg pomaglumetad methionil (POMA) twice a day for 14 days. Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 80mg BID (160 mg)
Subject will take 80 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 120mg BID (240mg)
Subject will take 120 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 160 mg BID (320 mg)
Subject will take 160 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
Overall Study
STARTED
3
3
2
3
Overall Study
COMPLETED
2
3
2
2
Overall Study
NOT COMPLETED
1
0
0
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Glutamate Reducing Interventions in Schizophrenia

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
POMA 40mg BID (80mg)
n=3 Participants
Subject will take 40mg pomaglumetad methionil (POMA) twice a day for 14 days. Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 80mg BID (160 mg)
n=3 Participants
Subject will take 80 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 120mg BID (240mg)
n=2 Participants
Subject will take 120 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 160 mg BID (320 mg)
n=3 Participants
Subject will take 160 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
Total
n=11 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
0 Participants
n=36 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
n=93 Participants
3 Participants
n=4 Participants
2 Participants
n=27 Participants
3 Participants
n=483 Participants
11 Participants
n=36 Participants
Age, Categorical
>=65 years
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
0 Participants
n=36 Participants
Sex: Female, Male
Female
0 Participants
n=93 Participants
2 Participants
n=4 Participants
0 Participants
n=27 Participants
2 Participants
n=483 Participants
4 Participants
n=36 Participants
Sex: Female, Male
Male
3 Participants
n=93 Participants
1 Participants
n=4 Participants
2 Participants
n=27 Participants
1 Participants
n=483 Participants
7 Participants
n=36 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
1 Participants
n=483 Participants
3 Participants
n=36 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
1 Participants
n=93 Participants
3 Participants
n=4 Participants
2 Participants
n=27 Participants
2 Participants
n=483 Participants
8 Participants
n=36 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
0 Participants
n=36 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
0 Participants
n=36 Participants
Race (NIH/OMB)
Asian
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
0 Participants
n=36 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
0 Participants
n=36 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=93 Participants
2 Participants
n=4 Participants
2 Participants
n=27 Participants
1 Participants
n=483 Participants
5 Participants
n=36 Participants
Race (NIH/OMB)
White
2 Participants
n=93 Participants
1 Participants
n=4 Participants
0 Participants
n=27 Participants
1 Participants
n=483 Participants
4 Participants
n=36 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
0 Participants
n=483 Participants
0 Participants
n=36 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
1 Participants
n=483 Participants
2 Participants
n=36 Participants

PRIMARY outcome

Timeframe: Baseline to 14 days of POMA/placebo

Population: participants who completed both baseline and Day 14 scans

Effect of POMA on left CA1 CBV as measured by percent change from baseline scan (Time 1) to Day 14 scan (Time 2)

Outcome measures

Outcome measures
Measure
POMA 40mg BID (80mg)
n=2 Participants
Subject will take 40mg pomaglumetad methionil (POMA) twice a day for 14 days. Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 80mg BID (160 mg)
n=3 Participants
Subject will take 80 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 120mg BID (240mg)
n=2 Participants
Subject will take 120 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 160 mg BID (320 mg)
n=2 Participants
Subject will take 160 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
Percent Change in Left Hippocampal CA1 Region Cerebral Blood Volume (CBV) From Baseline to Day 14
0.40684405 Percent change
Standard Deviation .63605395
-0.081559 Percent change
Standard Deviation 0.1522939
0.0219668 Percent change
Standard Deviation 0.1484273
-0.0269017 Percent change
Standard Deviation 0

Adverse Events

POMA 40mg BID (80mg)

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

POMA 80mg BID (160 mg)

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

POMA 120mg BID (240mg)

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

POMA 160 mg BID (320 mg)

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
POMA 40mg BID (80mg)
n=3 participants at risk
Subject will take 40mg pomaglumetad methionil (POMA) twice a day for 14 days. Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 80mg BID (160 mg)
n=3 participants at risk
Subject will take 80 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 120mg BID (240mg)
n=2 participants at risk
Subject will take 120 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
POMA 160 mg BID (320 mg)
n=3 participants at risk
Subject will take 160 mg pomaglumetad methionil (POMA) twice a day for 14 days Pomaglumetad methionil: metabotropic glutamate 2/3 receptor (mGlu2/3R) agonist
Gastrointestinal disorders
nausea
33.3%
1/3 • Number of events 1 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
66.7%
2/3 • Number of events 2 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
50.0%
1/2 • Number of events 1 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
66.7%
2/3 • Number of events 2 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
Nervous system disorders
lightheadedness
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/2 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
33.3%
1/3 • Number of events 1 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
Nervous system disorders
dizziness
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/2 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
33.3%
1/3 • Number of events 1 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
General disorders
itching/restlessness
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
33.3%
1/3 • Number of events 1 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/2 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
Nervous system disorders
sedation
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
33.3%
1/3 • Number of events 1 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/2 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)
0.00%
0/3 • From consent to 30 days after last dose of study medication, up to 74 days (30-day screening period, 14-day randomization period, 30 day follow up)

Additional Information

Ragy Girgis, MD

New York State Psychiatric Institute

Phone: 646-774-5553

Results disclosure agreements

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