Status:

WITHDRAWN

Targeted Vitamin D Treatment of Schizophrenia-Associated Hyperprolinemia

Lead Sponsor:

NYU Langone Health

Collaborating Sponsors:

Stanley Medical Research Institute

Columbia University

Conditions:

Schizophrenia

Schizoaffective Disorder

Eligibility:

All Genders

18-65 years

Phase:

PHASE2

Brief Summary

A ten week, blinded trial of vitamin D vs. placebo in 80 patients with schizophrenia or schizoaffective disorder who have low blood levels of vitamin D and elevated blood levels of the amino acid prol...

Detailed Description

25-hydroxyvitamin D (vitD) insufficiency is associated with cognitive decline and has long-been considered important in schizophrenia susceptibility. VitD supplementation has been suggested for those ...

Eligibility Criteria

Inclusion

  • Inclusion Criteria for Recruitment
  • Male and Female, all racial/ethnic groups, aged 18-65 years.
  • Admission diagnosis of schizophrenia, schizophreniform disorder, or schizoaffective disorder.
  • Capability to give informed consent.
  • Inclusion Criteria for Randomization and Trial Entry
  • Fasting hyperprolinemia (defined as 2 standard deviations (SDs) above the gender-adjusted mean measured for historical controls: 203.3 micromolar (uM) for females and 327.6 uM for males).
  • 25(OH)D insufficiency (\<30ng/ml).
  • Confirmed diagnosis of schizophreniform disorder, schizophrenia or schizoaffective disorder.

Exclusion

  • Exclusion Criteria for Recruitment
  • Organic brain disorders.
  • Valproate treatment within 14 days, because of known proline up-regulatory effects.
  • Pregnant women or women of child-bearing potential, who are not surgically-sterile or who are not using appropriate methods of birth control.
  • Amino acid metabolism disorder diagnosis.
  • Hypercalcemia (\>10.4mg/dL), hypercalciuria (\>0.20mg/mg), hyperthyroidism (\>65pg/ml) or history of renal stones, kidney disease, atherosclerosis, sarcoidosis, histoplasmosis and lymphoma.
  • Chart record of HIV positive status.
  • Treatment with clozapine, as this may reflect general treatment resistance.
  • Exclusion Criteria for Randomization and Trial Entry
  • Abnormal serum/ urine metabolic lab values suggesting hypercalcemia (serum Calcium \>10.4mg/dL), hypercalciuria (urine calcium/urine creatinine \>0.20 mg/mg), or hyperthyroidism (parathyroid hormone (PTH) \> 65pg/ml).
  • Initiation of Valproate treatment.
  • Continued use of dietary supplementation, such as fish oil supplementation or vitamin D supplements (\>400 IU/day).

Key Trial Info

Start Date :

February 1 2015

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

Estimated Enrollment :

Patients enrolled

Trial Details

Trial ID

NCT02197286

Start Date

February 1 2015

Last Update

October 12 2015

Active Locations (1)

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Bellevue Hospital Center

New York, New York, United States, 10016