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Add-on to antipsychotics in the treatment of schizophrenia

A randomized trial administering Sodium Nitroprusside vs. placebo as add-on to antipsychotics in patients with schizophrenia - ASA-CRP-01

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2014-002176-83-RO
Enrollment
20
Registered
2015-03-05
Start date
2015-04-01
Completion date
Unknown
Last updated
2019-04-30

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

Conditions

schizophrenia MedDRA version: 17.1 Level: PT Classification code 10039626 Term: Schizophrenia System Organ Class: 10037175 - Psychiatric disorders

Interventions

Trade Name: Nitropress - SODIUM NITROPRUSSIDE Pharmaceutical Form: Injection INN or Proposed INN: Sodium Nitroprusside Current Sponsor code: NDC: 429 9

Sponsors

Clinirx Tangent Research
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Males and females between 19 to 40 years of age. 2. Females who are abstinent or practicing an established method of birth control (oral contraceptive tablets, hormonal implant device, hormone patch, injectable contraceptive, intrauterine device [IUD]). 3. Willing and able to provide informed consent, after the nature of the study has been fully explained. 4. Current diagnosis of schizophrenia as confirmed by modified SCID. 5. First diagnosed with schizophrenia no more than 5 years before the trial 6. Total PANSS score at baseline = 60. 7. Patients in an acute psychotic episode requiring full-time hospitalization according to clinical referral by the relevant mental health service. 8. During the life time must have been on an antipsychotic drug for at least 6 months 9. No change in psychotropic medication over the last 1week before baseline. 10. Female participants willing to have a pregnancy test before treatment. 11. Willing to remain under observation for the entire 4 weeks trial period Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 20 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 1. Unstable medical disease, such as malignancy, poorly controlled diabetes, active ischemic cardiac disease, or cardiomyopathy, serious pulmonary disease, kidney disease, impaired liver functioning. 2. Prior history of intolerance to Sodium Nitroprusside. 3. Presence of a seizure disorder, not including clozapine-induced seizures. 4. Currently taking clozapine and/or antihypertensive medication. 5. At significant risk of committing suicide, or in the opinion of the Investigator, currently is at imminent risk of suicide or harming others. 6. Diagnosis of substance abuse (except nicotine or caffeine) or dependence within the last 3 months according to DSM-IV criteria. 7. Clinically significant use of illicit substances or alcohol in the past 3 months. 8. Pregnant or breastfeeding.

Design outcomes

Primary

MeasureTime frame
Main Objective: The objective of the study is to evaluate the efficacy of Sodium Nitroprusside, administered intravenously, compared to placebo, as add-on to anti-psychotics in the treatment of patients with schizophrenia in an acute exacerbation 1. PANSS total score, 2. PANSS negative score ; Secondary Objective: 1. Udvalg for Kliniske Undersogelser (UKU), 2. Abnormal Involuntary Movement Scale (AIMS) and 3. Other physiologic measures (Physiologic cardiovascular and pulmonary measures with automated heart monitor). ;Primary end point(s): PANSS total score at the end of the trial.;Timepoint(s) of evaluation of this end point: At the end of the trial.

Secondary

MeasureTime frame
Secondary end point(s): 1. PANSS positive, negative and general psychopathology scales, 2. Clinical Global Impression Scale-Severity (CGI-S) and Global Impression Scale-Improvement (CGI-I), 3. Brief Assessment of Cognition in Schizophrenia (BACS) and 4. Rates of drop outs before the end of the trial. ;Timepoint(s) of evaluation of this end point: The end of the trial.

Countries

Israel, Romania

Contacts

Public ContactPaull G. Radu

Clinirx Tangent Research

paull.radu@tangentdata.com40213216775

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026