David Feifel, MD, PhD

Maintenance of Antidepressant Effect After 1 Dose of Psilocybin

March 3, 2025

Over 52 weeks, a single administration of 25 mg psilocybin suggested longer maintenance of antidepressant effect than both 1 mg and 10 mg.

Guy M. Goodwin, Ania Nowakowska, Merve Atli, et al

Letter to the Editor

Roles of TMS Treatment Team Members

February 21, 2018

Read this article to learn more about the roles and qualifications of TMS Treatment team members.

David L. Dunner, David Feifel, Daniel Z. Press

Original Research

Efficacy and Safety of Loxapine for Inhalation in the Treatment of Agitation in Patients With Schizophrenia: A Randomized, Double-Blind, Placebo-Controlled Trial

January 25, 2011

David Feifel, Ruth Ross, Michael H. Allen, et al

Original Research

Extended Release Quetiapine Fumarate Monotherapy in Major Depressive Disorder: A Placebo- and Duloxetine-Controlled Study

April 7, 2009

David Feifel, Stuart A. Montgomery, Martin Brecher, et al

Letter to the Editor

Dosing of Divalproex Extended Release

July 16, 2007

David Feifel

Original Research

A Systematic Review of Modafinil: Potential Clinical Uses and Mechanisms of Action

April 15, 2006

David Feifel, Jacob S. Ballon

Original Research

Acute Treatment of Psychotic Agitation: A Randomized Comparison of Oral Treatment With Risperidone and Lorazepam Versus Intramuscular Treatment With Haloperidol and Lorazepam

March 1, 2004

Glenn W. Currier, James C-Y Chou, David Feifel, et al

Letter to the Editor

Retraction

February 1, 2002

David Feifel, Christine Y. Moutier, William Perry

Original Research

Safety and Tolerability of a Rapidly Escalating Dose-Loading Regimen for Risperidone [RETRACTED ARTICLE]

December 31, 2000

David Feifel, Christine Y. Moutier, William Perry

Article

Rationale and Guidelines for the Inpatient Treatment of Acute Psychosis

December 30, 2000

David Feifel

Original Research

Iron Overload Among a Psychiatric Outpatient Population

February 15, 1997

David Feifel, Corinna W. Young

Maintenance of Antidepressant Effect After 1 Dose of Psilocybin

Roles of TMS Treatment Team Members

Efficacy and Safety of Loxapine for Inhalation in the Treatment of Agitation in Patients With Schizophrenia: A Randomized, Double-Blind, Placebo-Controlled Trial

Extended Release Quetiapine Fumarate Monotherapy in Major Depressive Disorder: A Placebo- and Duloxetine-Controlled Study

Dosing of Divalproex Extended Release

A Systematic Review of Modafinil: Potential Clinical Uses and Mechanisms of Action

Acute Treatment of Psychotic Agitation: A Randomized Comparison of Oral Treatment With Risperidone and Lorazepam Versus Intramuscular Treatment With Haloperidol and Lorazepam

Retraction

Safety and Tolerability of a Rapidly Escalating Dose-Loading Regimen for Risperidone [RETRACTED ARTICLE]

Rationale and Guidelines for the Inpatient Treatment of Acute Psychosis

Iron Overload Among a Psychiatric Outpatient Population

ELSEWHERE:

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David Feifel, MD, PhD

Maintenance of Antidepressant Effect After 1 Dose of Psilocybin

Roles of TMS Treatment Team Members

Efficacy and Safety of Loxapine for Inhalation in the Treatment of Agitation in Patients With Schizophrenia: A Randomized, Double-Blind, Placebo-Controlled Trial

Extended Release Quetiapine Fumarate Monotherapy in Major Depressive Disorder: A Placebo- and Duloxetine-Controlled Study

Dosing of Divalproex Extended Release

A Systematic Review of Modafinil: Potential Clinical Uses and Mechanisms of Action

Acute Treatment of Psychotic Agitation: A Randomized Comparison of Oral Treatment With Risperidone and Lorazepam Versus Intramuscular Treatment With Haloperidol and Lorazepam

Retraction

Safety and Tolerability of a Rapidly Escalating Dose-Loading Regimen for Risperidone [RETRACTED ARTICLE]

Rationale and Guidelines for the Inpatient Treatment of Acute Psychosis

Iron Overload Among a Psychiatric Outpatient Population

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