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Oxygen Therapy in Schizophrenia

2014-08-27 03:36:20 | BioPortfolio

Summary

Due to intense ATP-consuming processes in the brain, a high level of brain energy supply is required. A popular hypothesis regarding the pathogenesis and pathophysiology of schizophrenia postulates hypofunction of neuronal circuits in the prefrontal and limbic-temporal areas. An emerging body of data suggests that impaired energy metabolism due to mitochondrial dysfunction plays a role in the pathophysiology of schizophrenia.

Under normal conditions cellular metabolic rate, i.e. oxygen and glucose consumption, increases proportionally with any increase in neuronal activity. The impaired energy metabolism due to mitochondrial dysfunction and frontal lobe hypofunction might be improved by increasing O2 supply to the brain. Oxygen-enriched air inhalation has been shown to increase brain oxygen supply. Hyperoxia therapy is a useful tool in the treatment of neurological and neurotrauma deficits.

We therefore suggest a randomized double blind cross-over study of enriched inspired O2 partial pressure in schizophrenia.

It is surprising given the numerous findings on reduced energy metabolism in schizophrenia that simple treatment with inspired enriched oxygen has not been studied.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Conditions

Chronic Schizophrenia

Intervention

oxygen

Location

Beersheva Mental Health Center
Beersheva
Israel

Status

Recruiting

Source

Beersheva Mental Health Center

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:36:20-0400

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Long-term Oxygen Therapy in Patients With Chronic Obstructive Pulmonary Disease Who Live at High Altitude

A clinical, prospective, randomized controlled trial to determine the effect of prescribing oxygen in a group of COPD (chronic pulmonary disease) patients with PaO2 (arterial oxygen tensio...

Brain Blood Flow Changes Elicited by Oxytocin in Volunteers With and Without Schizophrenia

The purpose of this study is to assess how oxytocin delivered intranasally changes regional brain blood flow measured by positron emission tomography (PET) in conjunction with oxygen-15 la...

A Study of rTMS for Cognitive Deficits in Chronic Patients With Schizophrenia

In this study, we assessed the therapeutic effects and safety of left dorsolateral prefrontal cortex (DLPFC) high-frequency repetitive transcranial magnetic stimulation (rTMS) on negative ...

Efficacy of Helium/Oxygen Compared to Air/Oxygen in Severe Exacerbation of Chronic Obstructive Pulmonary Disease (COPD)

The primary objective of the study is to evaluate the efficacy of Helium/Oxygen (He/O2) 78%/22% compared to a conventional Air/O2 mixture in reducing endotracheal intubation rate and morta...

Chronic Schizophrenia With Obsessive-Compulsive Symptoms: Comorbidity or a Subtype?

Evaluating the prevalence and characteristics of obsessive-compulsive (OC) symptoms in patients with chronic schizophrenia

PubMed Articles [11633 Associated PubMed Articles listed on BioPortfolio]

Chlorpromazine versus clotiapine for schizophrenia.

Schizophrenia is a chronic, disabling and severe mental disorder, characterised by disturbance in perception, thought, language, affect and motor behaviour. Chlorpromazine and clotiapine are among ant...

A 10-minute measure of global cognition: Validation of the Brief Cognitive Assessment Tool for Schizophrenia (B-CATS).

Schizophrenia is marked by a global cognitive impairment that contributes significantly to chronic disability and unemployment. As new treatments are developed for cognition in schizophrenia, clinicia...

GSTM1/GSTT1 double-null genotype increases risk of treatment-resistant schizophrenia: A genetic association study in Brazilian patients.

The role of oxidative stress in schizophrenia has been demonstrated, particularly in subjects with treatment-resistant schizophrenia (TRS). In such patients, the decreased levels of antioxidants in co...

Inverse association between negative symptoms and body mass index in chronic schizophrenia.

We investigated whether negative symptoms, such as poor motivation or anhedonia, were associated with higher body mass index (BMI) in stable patients with schizophrenia chronically treated with antips...

Association between the scores of the Japanese version of the brief assessment of cognition in schizophrenia and whole-brain structure in patients with chronic schizophrenia: a voxel-based morphometry and diffusion tensor imaging study.

The brief assessment of cognition in schizophrenia (BACS) is a concise tool designed to evaluate cognitive deficits in schizophrenia. We examined the possible association between BACS scores and whole...

Medical and Biotech [MESH] Definitions

A chronic form of schizophrenia characterized primarily by the presence of persecutory or grandiose delusions, often associated with hallucination.

A long-acting injectable antipsychotic agent used for chronic schizophrenia.

A large increase in oxygen uptake by neutrophils and most types of tissue macrophages through activation of an NADPH-cytochrome b-dependent oxidase that reduces oxygen to a superoxide. Individuals with an inherited defect in which the oxidase that reduces oxygen to superoxide is decreased or absent (GRANULOMATOUS DISEASE, CHRONIC) often die as a result of recurrent bacterial infections.

A type of schizophrenia characterized by abnormality of motor behavior which may involve particular forms of stupor, rigidity, excitement or inappropriate posture.

An obsolete concept, historically used for childhood mental disorders thought to be a form of schizophrenia.

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