Neurological Soft Signs in Cannabis Use Disorder with or without Psychosis: A Comparative Study from India.

OBJECTIVE: The purpose of this study was to assess and compare neurological soft signs in patients of cannabis use disorder (CUD) with and without co-occurring psychosis in a treatment-seeking sample. METHODS: We included 30 right-handed male subjects aged 18-65 years diagnosed with CUD (as per DSM-5) without any co-occurring psychiatric disorder in group I and those with co-occurring non-affective psychosis in group II. Group III consisted of 30 age and sex-matched, right-handed, healthy subjects with no psychiatric or medical conditions. Neurological Evaluation Scale (NES) was applied to measure neurological soft signs across the groups. We also used the Severity of Dependence Scale (in CUD with or without co-occurring non-affective psychosis groups) and Scale for the Assessment of Positive Symptoms, Scale for the Assessment of Negative Symptoms, Barnes Akathisia Rating Scale, Abnormal Involuntary Movements Scale, and Simpson Angus Scale (in CUD with co-occurring non-affective psychosis group) . RESULTS: Our data suggested higher total NES mean scores in CUD with (20.53 ± 13.77) or without co-occurring non-affective psychosis groups (15.93 ± 9.86) as compared to healthy controls (6.20 ± 5.40) (χ2 = 23.12; p < .001). However, there were no differences between cannabis use disorder with or without co-occurring non-affective psychosis groups. The mean of subdomain scores of motor incoordination, sequencing of complex motor tasks, sensory integration, and others was significantly higher in CUD with or without co-occurring non-affective psychosis groups compared to healthy controls. CONCLUSION: Impairment in neurological soft signs is present in patients with CUD regardless of a co-occurring psychosis. Cannabinoids might be interacting with the brain circuits known to be involved in schizophrenia.

Can Tramadol be Used for Maintenance Treatment of Opioid Dependence?

BACKGROUND: Certain limitations of the existing opioid substitution therapies necessitate exploration of other options for maintenance of patients with opioid dependence. This study aimed to present the experience of use of tramadol for long-term treatment of patients with opioid dependence. METHODS: This was a cross-sectional interview-based observational study conducted in Uttar Pradesh state in India. Patients with opioid dependence who received oral tramadol treatment for a period of more than 6 months were recruited. Outcome was assessed in terms of self-reported abstinence on tramadol. RESULTS: A total of 102 participants were recruited in the study, with a mean age of 41.3 years. All the participants were males. Abstinence to extraneous opioids was reported by 58.8% of the sample, and the median dose of tramadol at which abstinence was achieved was 350 mg/d. Those who reported to be taking natural opioids (raw opium or poppy husk) at the time of seeking treatment had higher rates of achieving abstinence. CONCLUSIONS: Tramadol may be a possible option for the maintenance treatment among some opioid-dependent individuals. Further studies are required to establish its efficacy vis-à-vis other medications used in opioid substitution treatment.

A Cross-Sectional Web-Based Survey of Medical Practitioners in India to Assess their Knowledge, Attitude, Prescription Practices, and Barriers toward Opioid Analgesic Prescriptions.

CONTEXT: Inadequate training of medical practitioners is a key factor responsible for inappropriate use of opioid analgesics. AIMS: We assessed the current knowledge, attitude, prescribing practices, and barriers perceived by the Indian medical practitioners in three tertiary care hospitals toward the use of opioid analgesics. SUBJECTS AND METHODS: Web-based survey of registered medical practitioner employed at three chosen tertiary health care institutions in New Delhi. STATISTICAL ANALYSIS USED: Descriptive analysis of survey responses was carried out. Comparative analysis was done using Chi-square test, independent samples t-test, and Pearson correlation coefficient. RESULTS: The response rate was 10.4% (n = 308). Two-thirds of the participants (61.7%) had never received formal pain management training, and 86.7% participants would like further training. Most participants (71.1%) agreed that opioids should be prescribed in cancer pain, while 26.3% agreed that opioids should be prescribed in noncancer pain. Half of the participants agreed that SOS (if necessary) dosing schedule (48.4%), low dosage (61.7%), and short duration of use (51.4%) could decrease the harmful effect of opioids. Lack of information about opioid-related policies and addiction potential were identified as the most common barriers to prescribing opioids. Those seeing more patients with chronic noncancer pain come across opioid misuse and diversion more often (P = 0.02). Those who understood addiction were more likely to agree that patients of chronic cancer pain with substance use disorders should be prescribed opioid analgesics (P < 0.01). CONCLUSIONS: Indian medical practitioners felt the need for formal pain management training. There is a lack of consensus on how to manage the pain using opioid analgesics. Tough regulations on medical and scientific use of opioids are the most commonly reported barrier to prescribing them.

Problematic Internet Use and Its Correlates Among Students from Three Medical Schools Across Three Countries.

OBJECTIVE: The authors aimed to assess and compare problematic internet use among medical students enrolled in a graduate degree course in one school each from Croatia, India, and Nigeria and to assess correlates of problematic use among these students. METHODS: The questionnaire included a sociodemographic profile of participants and Young's Internet Addiction Test. RESULTS: The final analysis included 842 subjects. Overall, 38.7 and 10.5 % of respondents scored in the mild and moderate categories. Only a small fraction (0.5 %) of students scored in the severe category. Being male and spending more time on the internet were correlated with problematic internet use. Moreover, a significantly higher proportion of participants who scored above the cutoff used the Internet for browsing, social networking, chatting, gaming, shopping, and viewing pornography. However, there was no difference between the two groups with regard to using the internet for e-mailing or academic activities. CONCLUSIONS: It is important to address problematic internet use among medical students. The correlates can help identify those at increased risk.

Nonprescription use of buprenorphine tablets among patients at a tertiary care addictive disorder treatment center in India: Observa-tions and implications.

OBJECTIVE: Nonprescribed use of drugs is a clinical and public health challenge fueled by diversion of controlled opioids like buprenorphine. In this study, we report the nonprescription use of buprenorphine and buprenorphine-naloxone for the first time in India. DESIGN: A cross-sectional observational study utilizing semistructured interviews. SETTING: A tertiary care addictive disorder treatment center in India, which provides inpatient and outpatient medically oriented care that includes agonist treatment (buprenorphine) or detoxification and antagonist treatment (naltrexone). PARTICIPANTS: Patients aged 18-65 years, registered at the center, and who had a history of current (within the past 6 months) nonprescription use of buprenorphine tablets were recruited. MAIN OUTCOME MEASURES: Participants were questioned about demographic and clinical factors and details of nonprescription use of buprenorphine and buprenorphine-naloxone using a structured questionnaire. Since both buprenorphine with naloxone and buprenorphine without naloxone are available and transacted on the street "loose" out of the blister packs, we were unable to differentiate the use of plain buprenorphine and a combination of buprenorphine- naloxone. RESULTS: A majority of the participants used nonprescribed tablets buprenorphine and buprenorphine-naloxone with an intent to control the withdrawal symptoms, and the reason for this use was that other patients shared their prescriptions of these medications. About half of the participants injected the tablets, and liquid pheniramine was most commonly used as the solvent for dissolving the tablets. A "high" was perceived by around half of those who injected. Participants reported knowing, on an average, around 13 peers who injected the tablet buprenorphine or -buprenorphine-naloxone. CONCLUSION: Nonprescription use of tablets buprenorphine and -buprenorphine-naloxone is a clinical concern and also an important public health issue. Geographical and systemic expansions of the availability of buprenorphine may reduce the "demand" for nonprescribed buprenorphine, while the opportunities for diversion from treatment centers can be minimized through more careful clinical prescriptions and monitoring practices.

Sexual dysfunction among male patients receiving buprenorphine and naltrexone maintenance therapy for opioid dependence.

INTRODUCTION: Opioid-dependent men suffer from sexual dysfunctions in the short and long term. The medications used for long-term pharmacotherapy of opioid dependence also affect sexual functioning, though this has been a poorly investigated area so far. AIM: To study the sexual dysfunction in opioid-dependent men receiving buprenorphine and naltrexone maintenance therapy. METHODS: A semistructured questionnaire and Brief Male Sexual Functioning Inventory (BMFSI) was administered to a sample of 60 sexually active men, receiving buprenorphine (n = 30) and naltrexone (n = 30) maintenance therapy for opioid dependence. MAIN OUTCOME MEASURES: Prevalence of premature ejaculation, erectile dysfunction, low sexual desire, weakness due to semen loss, and overall satisfaction. RESULTS: About 83% of the men on buprenorphine and 90% on naltrexone reported at least one of the sexual dysfunction symptoms. The commonly reported dysfunctions were premature ejaculation (83% in buprenorphine and 87% in naltrexone), erectile dysfunction (43% in buprenorphine and 67% in naltrexone), and loss/reduction in sexual desire (33% in buprenorphine and 47% in naltrexone). On BMSFI however, there were no significant differences among both the groups. CONCLUSIONS: Opioid dependence as well as its pharmacological treatment is associated with sexual dysfunctions, which has clinical implication. Future research should explore this further using biochemical analyses.

Comparison of Recovery Capital in Patients with Alcohol and Opioid Dependence - An Exploratory Study.

Background: Recovery capital helps in the assessment of the personal strengths and challenges that exist in an individual with substance use which may have an impact on recovery process. This study aims at finding out the factors which help such individuals to sustain their recovery and how these factors differ across the two groups of people suffering from Alcohol Dependence Syndrome and Opioid Dependence Syndrome. Methods: A cross-sectional observational was designed where sociodemographic and clinical variables, the recovery capital ARC (Assessment of Recovery Capital) Scale and Severity of substance use SDS (Severity of Dependence) Scale of patients diagnosed with Alcohol Dependence Syndrome (ADS group) and those with Opioid Dependence Syndrome (ODS group) were assessed among patients not reporting withdrawal symptoms. Findings: A total of 49 subjects in the ODS group and 30 subjects in the ADS group were enrolled. The majority of the subjects in both groups were married, belonged to urban areas, practiced Hinduism, and were living in nuclear families. There was a significant difference between the educational status (p<0.001), religion practiced (p<0.001), age of onset of dependence (p<0.001), severity of dependence (p=0.11), and duration of abstinence (p<0.001) between the ADS and ODS groups. The mean scores on ARC Scale were 45.9 (S.D. =3.5) in the ODS group and 47.4 (S.D. =4.3) in the ADS group. ADS group had higher scores in Social Support Domain (p=0.034) and Housing and Safety domain (p=0.025). Other domains like global health, citizenship, meaningful activities, risk-taking, coping, and recovery experience did not significantly differ between the groups. Conclusion: This study aims at comparing the recovery capital of ADS patients with ODS patients. It also suggests that tailored treatment plans for people with ADS and ODS especially in housing and social support and common treatment approach in other domains of recovery will help them sustain the state for a longer term.

Volatile substance misuse among street children in India: a preliminary report.

Although substance misuse among children in India has been documented for over a decade, volatile substance misuse (VSM) is a comparatively recent phenomenon there. This paper reviews available Indian studies about VSM among street children and documents the extent of misuse, experienced benefits and harms, and risk factors. Reported perceived benefits include enhanced physical strength, decreased shyness, sleep induction, feeling good, and numbing physical and psychological pain. Identified risk factors include domestic violence, a dictatorial father, presence of stepparents, migrant status, and substance use in the family. Limitations of the current paper and the need for further research are discussed.

The pattern of alcohol use and its relationship with consequences among problem alcohol users: A community-based cross-sectional study from India.

BACKGROUND: Pattern of drinking has a strong bearing on alcohol-related negative consequences. Very few studies from India have assessed this relationship using any standardized instrument. AIM: The current study aims to assess the relationship between pattern of alcohol use and negative consequences among problem alcohol users using a standardized instrument. MATERIALS AND METHODS: This cross-sectional, observational study using snowball sampling technique was conducted among 75 participants in an urban slum of a metropolitan city of India. Screening of the participants was done by the World Health Organization Alcohol, Smoking and Substance Involvement Screening Test (WHO-ASSIST). Alcohol use details and alcohol-related adverse consequences were obtained by a semi-structured questionnaire and Drinker Inventory of Consequences (DrInC) inventory, respectively. Descriptive statistics, Chi-square test, and logistic regression test were used to analyze the data. RESULTS: There was a significant association between high total DrInC score and ≥3 subscale scores with employment status, percentage of total family income spent on alcohol, source of income to procure alcohol, amount of alcohol, morning drinking, alcohol use for relaxation, and drinking throughout the day (Chi-square test). Age ≤35 years, current unemployment/part-time employment state, spending ≥25% of total family income on alcohol, family history, and drinking throughout the day were more likely to have high total DrInC score and ≥2 subscale scores (logistic regression analysis). CONCLUSION: A large proportion of the participants were suffering significantly from alcohol-related consequences but still were not receiving any treatment. It emphasizes the need for more epidemiological studies in this area for its treatment and policy-level implication.

Assessment tools for screening and clinical evaluation of psychosocial aspects in addictive disorders.

This article provides an overview of the tools for psychosocial assessment of substance use disorders. Various psychosocial factors need to be assessed for effective management of individuals and to carry out research in the field. These factors include socio-demographic characteristics, neuropsychological functions, psychiatric co-morbidities, psychological vulnerabilities such as personality traits, motivation, and cognitions related to drug use, and the psychosocial functioning of the individual and his family. The various tools used to assess these aspects have been outlined below and the brief descriptions provided can help in choosing the right tool based on the characteristics that need to be measured and logistics.

A novel dry method for surface modification of SU-8 for immobilization of biomolecules in Bio-MEMS.

SU-8 has been primarily used for structural elements and microfludics components in MEMS. Microsystems for biological applications require immobilization of biomolecules on the MEMS structures. In order to functionalize SU-8 for such purposes, the surface needs to be modified. In this paper, we report a novel dry method of surface modification of SU-8 which is compatible with standard microfabrication techniques. The surface obtained by spin coating SU-8 (2002) on silicon wafer was modified by grafting amine groups using pyrolytic dissociation of ammonia in a hotwire CVD setup. To demonstrate the presence of amine groups on modified SU-8 surface, the surface characteristic after modification was assessed using Fourier transform infrared spectroscopy. The change in SU-8 surface morphology before and after surface modification was investigated using atomic force microscopy. To show the utility of this process for application in Bio-MEMS, SU-8 microcantilevers were fabricated and subjected to the same surface modification protocol. Following this, the cantilevers were incubated first in a suspension of human immunoglobulin (HIgG) and then in FITC tagged goat anti-human IgG in order to demonstrate the utility of the surface modification performed. The efficacy of the process was assessed by observing the cantilevers under a fluorescence microscope.

Maintainence Treatment of Opioid Dependence with Tramadol.

BACKGROUND: Although tramadol has been used in the management of acute withdrawal in patients with opioid dependence, its use for maintenance treatment as a harm reduction approach has not been assessed systematically. This case series describes patients with opioid dependence who were treated with tramadol for long-term maintenance. METHODS: Patients with opioid dependence who received treatment at the National Drug Dependence Treatment Centre of All India Institute of Medical Sciences, New Delhi, were included in the study. Patients who received at least 6 months of tramadol and had follow-up adherence of more than 80% were included in the case series. RESULTS: A total of 25 cases were included, all of whom were males. The types of opioids being taken at the time of initiation of tramadol were natural opiates (poppy husk and raw opium), followed by heroin. The median dose of tramadol at initiation and maintenance was 300 mg/day. Nineteen patients were able to achieve complete abstinence to other opiates on tramadol. CONCLUSION: Tramadol may be an effective option in the long-term management of patients with opioid dependence. Further studies are required for establishing the efficacy of tramadol for agonist management of patients with opioid dependence.

A Randomized Pilot Study of Brief Intervention versus Simple Advice for Women Tobacco Users in an Urban Community in India.

AIM: The study aimed to assess the efficacy of providing brief intervention (BI) for women tobacco users in a community-based setting. METHODS: In this open-labeled randomized study, a representative sample of women (n = 100) from a community in East Delhi were screened using Alcohol, Smoking and Substance Involvement Screening Test. Eligible women were randomized to BI or simple advice (SA) arms. At baseline, they were assessed for tobacco use characteristics and severity of nicotine dependence using Fagerstrom's test for nicotine dependence. Intervention in the form of a single session of BI or SA to quit tobacco was provided at baseline. All participants were assessed at 1 week and 3 months following intervention. The principal outcome was self-reported abstinence from tobacco use at 3 months follow-up. RESULTS: The mean age of the sample was 43 years (standard deviation = 13). Most women were married (80%), housewives (69%), illiterate (61%), socioeconomically disadvantaged and were smokeless tobacco users (94%). The subjects in the BI group were twice more likely to stop tobacco use as compared to individuals in the SA group (odds ratio = 2.2, 95% confidence interval: 0.962-5.197, P = 0.06). CONCLUSION: The study results are suggestive of beneficial effect of BI. A larger study might provide more significant results.

Tramadol for maintenance in opioid dependence: A retrospective chart review.

BACKGROUND AND AIMS: Tramadol is an opioid agonist which can be potentially used for maintenance treatment of patients with opioid use disorders. This chart review presents the characteristics of individuals with an ICD 10 diagnosis of opioid dependence who were maintained on tramadol for a period of at least 6 months. METHODS: Records of patients seeking treatment for opioid dependence from the outpatient clinic of the National Drug Dependence Treatment Centre, Ghaziabad, India were screened. One hundred consecutive patients who received tramadol for more than 6 months were included. RESULTS: The sample comprised exclusively of males and had a mean age of 40.9 years. The median dose of tramadol at initiation and continuation was 300 mg/day. Sixty-two patients achieved complete abstinence during the course of treatment. Greater age, longer duration of opioid use, and better follow-up adherence were associated with abstinent status. The rates of abstinence were higher among those presenting with natural opioid use as compared to others (prescription opioid use or heroin use). CONCLUSION: Tramadol can be an alternative medication for harm reduction in select group of patients with opioid dependence. Further research is required to strengthen the evidence base of rational use of tramadol for maintenance treatment of patients with opioid dependence.

Facile fabrication of microfluidic systems using electron beam lithography.

We present two fast and generic methods for the fabrication of polymeric microfluidic systems using electron beam lithography: one that employs spatially varying electron-beam energy to expose to different depths a negative electron-beam resist, and another that employs a spatially varying electron-beam dose to differentially expose a bi-layer resist structure. Using these methods, we demonstrate the fabrication of various microfluidic unit structures such as microchannels of a range of geometries and also other more complex structures such as a synthetic gel and a chaotic mixer. These are made without using any separate bonding or sacrificial layer patterning and etching steps. The schemes are inherently simple and scalable, afford high resolution without compromising on speed and allow post CMOS fabrication of microfluidics. We expect them to prove very useful for the rapid prototyping of complete integrated micro/nanofluidic systems with sense and control electronics fabricated by upstream processes.

Co-relationship between sexual dysfunction and high-risk sexual behavior in patients receiving buprenorphine and naltrexone maintenance therapy for opioid dependence.

INTRODUCTION: People suffering from substance dependence suffer from various sexual dysfunctions and are at risk for indulging in various high-risk sexual behaviors and thus are vulnerable to acquire various infections such as HIV/AIDS and other sexually transmitted infections. AIM: The aim of the study was to evaluate the correlation between sexual dysfunction and high-risk sexual behavior in opioid-dependent men receiving buprenorphine and naltrexone maintenance therapy. MATERIALS AND METHODS: Semi-structured questionnaire, brief male sexual functioning inventory and HIV-risk taking behavior scale was administered to a sample of 60 sexually active men, receiving buprenorphine (n = 30) and naltrexone (n = 30) maintenance therapy for opioid dependence. RESULTS: The main outcomes are correlation between severity of sexual dysfunction and HIV-risk taking behavior. The study results showed 83% of the men on buprenorphine and 90% on naltrexone reported at least one of the sexual dysfunction symptoms. There was a negative correlation between sexual dysfunction and HIV-risk taking behavior that suggest severe the dysfunction, higher the risk taking behavior. Significant correlation was present with overall sexual dysfunction and HIV-risk taking behavior (P = 0.028 and in naltrexone receiving group premature ejaculation versus HIV-risk taking behavior however, (P = 0.022, P < 0.05) there were no significant differences among both the groups except above findings. CONCLUSION: Conclusion was treatment is associated with sexual dysfunctions and HIV-risk taking behavior, which has clinical implication. Future research should explore this further using biochemical analyses.

Disorders Related to Use of Psychoactive Substances in DSM-5: Changes and Challenges.

In the most recent edition of Diagnostic and Statistical Manual (DSM) that is DSM-5 many modifications have been made in substance use disorder section. These include changes in terminology; sections and categories; diagnostic criteria; threshold for diagnosis; severity; and specifier. Additionally, there have been certain additions and omissions from the earlier version. Critical evaluation of the changes made to the section on disorders related to use of psychoactive substances in India context has not been published so far. The current paper presents a critique of the changes made to the substance use disorder section in DSM-5. The rationale for these changes put forth by DSM-5 work group on substance related disorders have been discussed. Additionally, attempt has been made to highlight the possible future challenges consequent to the current nosological revision for substance use disorder category. Overall DSM-5 seems to be promising in fulfilling its goal of DSM-ICD harmonisation and movement towards an internationally compatible and practical diagnostic system for mental health disorders. It has increased the scope of addiction by inclusion of behavioural addiction. It has also tried to balance the categorical and dimensional approach to diagnosis. However, the real test of this newer edition of one of the most commonly used nosological systems will be during clinical care and research. This will help address the debatable issues regarding the changes that DSM-5 brings with it.

Substance use in women: Current status and future directions.

Alcohol and substance use, until recently, were believed to be a predominantly male phenomenon. Only in the last few decades, attention has shifted to female drug use and its repercussions in women. As the numbers of female drug users continue to rise, studies attempt to understand gender-specific etiological factors, phenomenology, course and outcome, and issues related to treatment with the aim to develop more effective treatment programs. Research has primarily focused on alcohol and tobacco in women, and most of the literature is from the Western countries with data from developing countries like India being sparse. This review highlights the issues pertinent to alcohol and substance use in women with a special focus to the situation in India.