An Observational Case-control Study for BDNF Val66Met Polymorphism and Serum BDNF in Patients with Major Depressive Disorder (MDD).

Background: The brain-derived neurotrophic factor (BDNF) has an important role in the growth of neurons and synaptic transmission. The BDNF gene Val66Met polymorphism (G/A) is associated with depression, but findings have not been consistently replicated. This study adopts a case-control design with an aim to investigate the association of Val66Met polymorphism and peripheral BDNF (serum) levels in patients of major depressive disorder (MDD) and healthy individuals (controls).

Ultrasonically Determined Thyroid Volume in Individuals with Bipolar Disorder on Lithium Prophylaxis Compared with Healthy Controls.

Introduction: Lithium is a gold-standard agent for bipolar disorder (BD) and can affect the size, structure and/or function of thyroid gland with long-term exposure. Thyroid ultrasound can detect structural thyroid abnormalities, but it is under-reported with few prior studies in lithium users. The study aimed to evaluate thyroid volume and echogenicity in lithium users with BD and healthy participants, and explores its association with clinical variables and thyroid functions.

An Exploratory Case-Control Study for Mitochondrial DNA G10398A in Bipolar I Disorder Patients with a Family History of Affective Disorders.

Background: The mitochondrial DNA (mtDNA) G10398A polymorphism has been associated with bipolar disorder (BD). It leads to an amino acid substitution within NADH dehydrogenase subunit, thereby altering the mitochondrial complex I function. This exploratory case-control study assesses the association of mtDNA G10398A with the risk of BD and its relationship to clinical variables in Indian patients.

Serum brain-derived neurotrophic factor level and its relation with cannabis use disorder and schizophrenia: A cross-sectional exploratory study in patients at a tertiary care hospital.

Background: Brain-derived neurotrophic factor (BDNF) has considerable relevance in neural growth and differentiation. It has been evaluated as a biomarker for individuals with various psychiatric disorders such as substance-related disorders and psychotic disorders.

Objective: The present study explored differences in the levels of BDNF (in serum) among subjects using cannabis (with and without schizophrenia).

An efficient LC-QTOF-mass spectrometry method for monitoring nal-trexone compliance in urine of opioid-dependent subjects.

Naltrexone (NTX) is an orally effective opiate antagonist used in maintenance treatment for opiate dependence. Its utility is limited by the patient's noncompliance. The study aimed to develop an efficient method for the detection of NTX in urine by LC-QTOF-mass spectrometry (MS) and its application to NTX compliance in opioid-dependent subjects.

Disability and quality of life in patients with treatment-resistant schizophrenia on long- term clozapine therapy.

Objectives: To assess disability and quality of life (QOL) in treatment resistant schizophrenia (TRS) on long term clozapine therapy and assess their correlation with positive, negative and cognitive symptoms.

Methodology: Disability and QOL in forty patients with TRS (as per modified Kane's criteria) were assessed using World Health Organization Disability Assessment Schedule 2.0 and World Health Organization Quality of Life-BREF.

Effectiveness of smoking cessation intervention in opioid-dependent male subjects on buprenorphine maintenance treatment: An open-label trial.

Background: High prevalence (more than 80%) rates of tobacco smoking have been found both in, opioid-dependent subjects and among opioid-dependent subjects on opioid substitution treatment (OST) with buprenorphine or methadone.

Aim: We aimed to explore the efficacy of combined nicotine replacement therapy (NRT) and individual counseling (IC) when compared to NRT alone in subjects on OST with buprenorphine.

Methods: This study was carried out in a tertiary medical care center.

Serum BDNF Levels Among Patients with Alcohol Dependence, Depression and Alcohol Dependence with Comorbid Depression - A Comparative Study.

The study aimed to assess and compare the serum brain derived neurotrophic factor (BDNF) levels in patients with alcohol dependence, depression and alcohol dependence with comorbid depression. Three groups each of 30 alcohol-dependent, depressive and alcohol-dependent with comorbid depressive patients seeking treatment were included. BDNF levels were estimated, and scales were administered to assess severity of alcohol dependence (using severity of alcohol dependence questionnaire, SADQ) and depressive symptoms (using Hamilton depression rating scale, HDRS).

An efficient method for simultaneous detection of Pheniramine, Pentazocine and cotinine in urine by Gas Chromatography in De-addiction program.

Background: Nonmedical use of prescription drugs for recreational purposes is a major health problem that raises high concerns for public health. Recently, several laboratory studies have reported the misuse of pentazocine, an agonist-antagonist opioid in combination with antihistamines in opioid addicts. Illicit self-administration of prescription drugs has been increasingly reported in India.

Does ethyl glucuronide in hair correlate with alcohol consumption? A comparative study with other traditional biomarkers among individuals with alcohol dependence syndrome.

Aim: Ethyl glucuronide (EtG) in hair is a direct biomarker proven to be useful for the detection of chronic excessive alcohol use. This study investigated the association of self-reported alcohol consumption with traditional biomarkers: GGT, AST, ALT, CDT, and MCV in blood and a direct biomarker, hair EtG, in a total of 122 patients with alcohol dependence syndrome. The diagnostic accuracy of the biomarkers to differentiate heavy from non-heavy drinkers was also evaluated.

Exploring the clinical variables among drug-dependent HIV-Positive patients: Implications for treatment strategies.

This study explored the profile of HIV positive patients seeking treatment at a tertiary care addiction treatment facility. A retrospective study was done to collet detailed information on clinical characteristics: drug use (type, age of initiation, duration), general medical condition and past treatment history. The study included 138 patients with mean (SD) age 30.

Effect of chronic opioid use on the hematological and inflammatory markers: A retrospective study from North India.

Background: Chronic opioid use affects biological functioning implicating the hematopoietic and immune system. It may alter various hematological parameters and inflammatory markers. This study aimed to assess the association of opioid dependence with the hematological parameters and inflammatory markers in the Indian population.

Urinalysis based assessment of compliance and drug use patterns in patients prescribed tramadol: A cross-sectional study from a tertiary care centre.

Background: Strict adherence to pharmacological dosage regimens is a prerequisite to the success of most treatments, particularly for patients in drug abuse programs. The compliance of tramadol, an atypical non-scheduled narcotic analgesic, using objective method has not been adequately studied in an Indian setting.

Aim: To evaluate the compliance and pattern of drug use among opioid-dependent subjects prescribed tramadol based on urinalysis.

Impact of Chronic Alcohol and Opioid Dependence on Biochemical Parameters: A Retrospective Case Control Study from a Tertiary Care Treatment Center in North India.

Background: Assessment of biochemical parameters can help in the comprehensive management of patients with substance use disorders (SUDs). The aim of this study was to analyse the biochemical parameters of patients with alcohol and opioid dependence at an addiction treatment facility.

Methods: This retrospective study analysed the investigation reports of male patients (aged 18 to 70 years) who visited outpatient department (OPD) with primary diagnosis as opioid dependence syndrome (ODS) or alcohol dependence syndrome (ADS).

Serum Corticotrophin Releasing Factor (CRF) and its correlation with stress and craving in detoxified opioid-dependent subjects.

Corticotrophin Releasing Factor (CRF) might be suitable as biological measure of stress as it is implicated directly in both central neurological and endocrine stress-response. The study aims to compare serum CRF levels and perceived stress in opioid-dependent subjects (n = 53) with non-using controls (n = 47) and to correlate them with general and instantaneous craving (in cases only). Perceived stress score and serum CRF levels were significantly higher among the users.

Association of Serotonergic Pathway Gene Polymorphisms With Behavioral Parameters in Patients With Opioid Dependence.

Background and aims Opioid dependence is a chronic, relapsing substance use disorder with a multifactorial etiology, including a genetic component. Serotonin pathway gene polymorphisms have been an important focus of research for psychiatric disorders, including substance use disorders. This study aimed to identify the association of serotonin pathway gene polymorphisms with self-harm, depressive symptoms, impulsiveness, and aggression in patients with opioid dependence.

Influence of catechol-O-methyltransferase enzyme gene polymorphism on alcohol and tobacco consumption in North Indian treatment seeking population.

Background: The co-occurrence of alcohol and tobacco dependence is frequently witnessed in treatment settings. It is a challenge for clinicians to treat such patients due to their powerful biological association.

Aim: The study is aimed to assess the relationship of Catechol-O-methyltransferase (COMT) Val158Met polymorphism with substance intake among individuals who are dependent on both alcohol and tobacco.

Co-administration of nalbuphine attenuates the morphine-induced anxiety and dopaminergic alterations in morphine-withdrawn rats.

Introduction: The classical effects of exogenous opioids, such as morphine, are predominantly mediated through μ-opioid receptors. The chronic use of morphine induces anxiety-like behavior causing functional changes in the mesolimbic dopaminergic system. The mixed μ/κ-agonist, nalbuphine, used either as an analgesic or as an adjuvant with morphine, produces different and opposite effects.

Brain-derived neurotrophic factor (BDNF) levels in first-episode schizophrenia and healthy controls: A comparative study.

Background: Abnormalities in brain development and plasticity have been associated with the pathophysiology of schizophrenia. The role of brain-derived neurotrophic factor (BDNF) in schizophrenia is the recent area of interest because it regulates neurogenesis. The current study aimed to assess and compare serum BDNF levels between first-episode schizophrenia patients and healthy controls, and evaluate its correlation with the socio-demographic and clinical variables.