Stephen Crystal Selected Research

COVID-19

12/2023	Evaluating chronic pain as a risk factor for COVID-19 complications among New York State Medicaid beneficiaries: a retrospective claims analysis.
1/2022	Perspectives of opioid use disorder treatment providers during COVID-19: Adapting to flexibilities and sustaining reforms.
1/2022	Racial and Ethnic Disparities in Buprenorphine and Extended-Release Naltrexone Filled Prescriptions During the COVID-19 Pandemic.

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Stephen Crystal Research Topics

Disease

22	Opioid-Related Disorders (Opiate Addiction) 02/2024 - 01/2016
15	Substance-Related Disorders (Drug Abuse) 01/2023 - 01/2003
13	Mental Disorders (Mental Disorder) 01/2021 - 09/2004
13	Schizophrenia (Dementia Praecox) 01/2020 - 09/2004
12	Opiate Overdose 12/2023 - 01/2018
9	Bipolar Disorder (Manic Depressive Psychosis) 01/2020 - 08/2009
8	Dementia (Dementias) 01/2022 - 07/2008
8	Attention Deficit Disorder with Hyperactivity (Attention Deficit Hyperactivity Disorder) 01/2021 - 01/2010
7	Pain (Aches) 01/2022 - 12/2010
7	HIV Infections (HIV Infection) 03/2016 - 01/2006
7	Acquired Immunodeficiency Syndrome (AIDS) 11/2011 - 09/2004
6	Chronic Pain 12/2023 - 01/2018
5	Infections 12/2022 - 01/2005
4	Alcoholism (Alcohol Abuse) 12/2022 - 01/2016
4	Attention Deficit and Disruptive Behavior Disorders (Disruptive Behavior Disorder) 01/2021 - 08/2009
4	Chronic Disease (Chronic Diseases) 12/2019 - 04/2012
3	COVID-19 12/2023 - 01/2022
3	Poisoning 11/2023 - 01/2018
3	Hepatitis C 12/2021 - 01/2016
3	Anxiety Disorders (Anxiety Disorder) 10/2021 - 09/2008
3	Chronic Obstructive Pulmonary Disease (COPD) 10/2016 - 11/2006
2	Hypertension (High Blood Pressure) 11/2023 - 02/2008
2	Major Depressive Disorder (Major Depressive Disorders) 12/2021 - 06/2011
2	Marijuana Use 09/2021 - 01/2020
2	Tourette Syndrome (Tourette's Syndrome) 01/2019 - 02/2011
2	Conduct Disorder (Conduct Disorders) 01/2019 - 10/2014
2	Post-Traumatic Stress Disorders (Post Traumatic Stress Disorder) 01/2019 - 01/2016
2	Weight Gain 10/2018 - 01/2012
2	Psychotic Disorders (Schizoaffective Disorder) 01/2018 - 05/2014
2	Depressive Disorder (Melancholia) 11/2016 - 08/2009
2	Frailty 10/2016 - 12/2014
2	Treatment-Resistant Schizophrenia 02/2016 - 02/2014
2	Mood Disorders (Mood Disorder) 09/2008 - 09/2004
2	Peripheral Vascular Diseases (Peripheral Vascular Disease) 02/2008 - 01/2005
1	Cardiovascular Diseases (Cardiovascular Disease) 11/2023
1	Disease Progression 01/2022
1	Wounds and Injuries (Trauma) 01/2022
1	Seizures (Absence Seizure) 12/2021
1	Stroke (Strokes) 01/2021
1	Drug Overdose 01/2020
1	Neurodevelopmental Disorders 01/2019
1	Oppositional Defiant Disorder 01/2019
1	Autism Spectrum Disorder 10/2018
1	Sensorineural Hearing Loss 01/2018
1	Intestinal Obstruction (Obstruction, Intestinal) 02/2016
1	Diabetes Mellitus 02/2016
1	Hyperlipidemias (Hyperlipidemia) 02/2016

Drug/Important Bio-Agent (IBA)

30	Opioid Analgesics (Opioids)IBA 02/2024 - 09/2013
19	Antipsychotic Agents (Antipsychotics)IBA 01/2022 - 12/2004
10	Buprenorphine (Subutex)FDA LinkGeneric 10/2023 - 01/2016
9	BenzodiazepinesIBA 01/2023 - 01/2018
8	Antidepressive Agents (Antidepressants)IBA 01/2021 - 04/2007
6	Heroin (Diamorphine)IBA 01/2022 - 11/2016
4	Cocaine (Cocaine HCl)IBA 11/2023 - 01/2019
3	Methylphenidate (Ritalin)FDA LinkGeneric 01/2019 - 02/2012
3	Biomarkers (Surrogate Marker)IBA 01/2018 - 12/2014
3	Clozapine (Clozaril)FDA LinkGeneric 02/2016 - 02/2014
3	RNA (Ribonucleic Acid)IBA 01/2016 - 12/2014
2	Fentanyl (Sublimaze)FDA LinkGeneric 01/2023 - 12/2021
2	Methadone (Dolophine)FDA LinkGeneric 01/2022 - 12/2021
2	Selective Serotonin Reuptake Inhibitors (Serotonin Reuptake Inhibitors)IBA 10/2021 - 01/2020
2	EnzymesIBA 01/2016 - 07/2015
2	insulin receptor-related receptor (IRR)IBA 04/2015 - 05/2012
2	Hemoglobins (Hemoglobin)IBA 04/2015 - 07/2013
2	Olanzapine (Zyprexa)FDA Link 06/2012 - 03/2012
2	Quetiapine Fumarate (Seroquel)FDA Link 06/2012 - 03/2012
2	Risperidone (Risperdal Consta)FDA LinkGeneric 06/2012 - 03/2012
2	Psychotropic Drugs (Psychoactive Drugs)IBA 05/2010 - 08/2009
2	Reverse Transcriptase InhibitorsIBA 06/2009 - 09/2004
2	NucleosidesIBA 06/2009 - 09/2004
1	ORALIT (ORS)IBA 12/2023
1	Naloxone (Narcan)FDA LinkGeneric 01/2023
1	Prescription DrugsIBA 01/2023
1	Antiviral Agents (Antivirals)IBA 12/2022
1	Gabapentin (Neurontin)FDA LinkGeneric 01/2022
1	4-nitrophenethyl bromide (NPB)IBA 01/2022
1	Naltrexone (ReVia)FDA LinkGeneric 01/2022
1	Morphine (MS Contin)FDA LinkGeneric 12/2021
1	Crack CocaineIBA 09/2021
1	Anti-Retroviral Agents (Antiretroviral Agents)IBA 01/2021
1	Amphetamine (Amfetamine)FDA LinkGeneric 01/2019
1	Illicit Drugs (Recreational Drugs)IBA 11/2018
1	Metformin (Glucophage)FDA LinkGeneric 10/2018
1	Phosphodiesterase 5 InhibitorsIBA 01/2018
1	phosphatidylethanolIBA 01/2018
1	Type 5 Cyclic Nucleotide PhosphodiesterasesIBA 01/2018
1	antineoplaston A10 (A 10)IBA 11/2016
1	SteroidsIBA 01/2016
1	Anti-Bacterial Agents (Antibiotics)IBA 01/2016

Therapy/Procedure

19	Therapeutics 12/2023 - 01/2003
4	Art Therapy 04/2015 - 01/2003
3	Home Nursing (Nursing, Home) 01/2022 - 02/2012
3	Highly Active Antiretroviral Therapy (HAART) 04/2012 - 11/2006
3	Length of Stay 09/2008 - 10/2004
2	Drug Therapy (Chemotherapy) 01/2022 - 11/2014
2	Secondary Prevention 02/2008 - 01/2006
1	Continuity of Patient Care 11/2023
1	Retention in Care 01/2023
1	Duration of Therapy 10/2021
1	Artificial Respiration (Mechanical Ventilation) 01/2018