Andrew Krystal

Summary

Affiliation: Duke University Medical Center
Country: USA

Publications

  1. ncbi Sustained efficacy of eszopiclone over 6 months of nightly treatment: results of a randomized, double-blind, placebo-controlled study in adults with chronic insomnia
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Sleep 26:793-9. 2003
  2. ncbi Sleep disturbance in psychiatric disorders: effects on function and quality of life in mood disorders, alcoholism, and schizophrenia
    Andrew D Krystal
    Duke Insomnia and Sleep Research Program, Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Ann Clin Psychiatry 20:39-46. 2008
  3. ncbi A WASO sub-group analysis of a 6-month study of eszopiclone 3 mg
    Andrew D Krystal
    Duke University School of Medicine, Department of Psychiatry and Behavioral Sciences, Durham, NC 27710, USA
    Sleep Med 13:691-6. 2012
  4. ncbi Evaluation of eszopiclone discontinuation after cotherapy with fluoxetine for insomnia with coexisting depression
    Andrew Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    J Clin Sleep Med 3:48-55. 2007
  5. ncbi EEG effects of ECT: implications for rTMS
    A D Krystal
    Quantitative EEG Laboratory, ECT Program, Center for Nonlinear and Complex Systems, Institute of Statistics and Decision Sciences, Duke University, Durham, North Carolina, USA
    Depress Anxiety 12:157-65. 2000
  6. ncbi Insomnia in women
    Andrew D Krystal
    Sleep Research Laboratory, Duke University Medical Center, Durham, North Carolina, USA
    Clin Cornerstone 5:41-50. 2003
  7. ncbi The changing perspective on chronic insomnia management
    Andrew D Krystal
    Duke University Medical Center, Durham, NC, USA
    J Clin Psychiatry 65:20-5. 2004
  8. ncbi Comparison of seizure duration, ictal EEG, and cognitive effects of ketamine and methohexital anesthesia with ECT
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina, USA
    J Neuropsychiatry Clin Neurosci 15:27-34. 2003
  9. ncbi The effect of insomnia definitions, terminology, and classifications on clinical practice
    Andrew D Krystal
    Sleep Research Laboratory and Insomnia Program, Duke University Medical Center, Durham, North Carolina 22710, USA
    J Am Geriatr Soc 53:S258-63. 2005
  10. ncbi Prediction of the utility of a switch from unilateral to bilateral ECT in the elderly using treatment 2 ictal EEG indices
    A D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina 27710, USA
    J ECT 16:327-37. 2000

Detail Information

Publications45

  1. ncbi Sustained efficacy of eszopiclone over 6 months of nightly treatment: results of a randomized, double-blind, placebo-controlled study in adults with chronic insomnia
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Sleep 26:793-9. 2003
    ..To determine the long-term efficacy of eszopiclone in patients with chronic insomnia...
  2. ncbi Sleep disturbance in psychiatric disorders: effects on function and quality of life in mood disorders, alcoholism, and schizophrenia
    Andrew D Krystal
    Duke Insomnia and Sleep Research Program, Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Ann Clin Psychiatry 20:39-46. 2008
    ..In psychiatric disorders, not only is there a relationship between sleep disturbances and impaired function, problems with sleep also appear to affect the course of the disorder...
  3. ncbi A WASO sub-group analysis of a 6-month study of eszopiclone 3 mg
    Andrew D Krystal
    Duke University School of Medicine, Department of Psychiatry and Behavioral Sciences, Durham, NC 27710, USA
    Sleep Med 13:691-6. 2012
    ....
  4. ncbi Evaluation of eszopiclone discontinuation after cotherapy with fluoxetine for insomnia with coexisting depression
    Andrew Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    J Clin Sleep Med 3:48-55. 2007
    ..Insomnia and major depressive disorder (MDD) may coexist. This study evaluated hypnotic discontinuation effects following an 8-week placebo-controlled study of eszopiclone/fluoxetine cotherapy in patients with insomnia and comorbid MDD...
  5. ncbi EEG effects of ECT: implications for rTMS
    A D Krystal
    Quantitative EEG Laboratory, ECT Program, Center for Nonlinear and Complex Systems, Institute of Statistics and Decision Sciences, Duke University, Durham, North Carolina, USA
    Depress Anxiety 12:157-65. 2000
    ....
  6. ncbi Insomnia in women
    Andrew D Krystal
    Sleep Research Laboratory, Duke University Medical Center, Durham, North Carolina, USA
    Clin Cornerstone 5:41-50. 2003
    ..This article reviews the available literature related to these conditions with a focus on the epidemiologic data and diagnosis and treatment of insomnia and highlights the need for further research...
  7. ncbi The changing perspective on chronic insomnia management
    Andrew D Krystal
    Duke University Medical Center, Durham, NC, USA
    J Clin Psychiatry 65:20-5. 2004
    ..They suggest that clinical practice is evolving toward an improved capacity to treat insomnia, with treatments that can safely lead to sustained efficacy...
  8. ncbi Comparison of seizure duration, ictal EEG, and cognitive effects of ketamine and methohexital anesthesia with ECT
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina, USA
    J Neuropsychiatry Clin Neurosci 15:27-34. 2003
    ..Thus, a switch to ketamine may be useful when it is difficult to elicit a robust seizure. Faster post-treatment reorientation with ketamine may suggest a lower level of associated cognitive side effects...
  9. ncbi The effect of insomnia definitions, terminology, and classifications on clinical practice
    Andrew D Krystal
    Sleep Research Laboratory and Insomnia Program, Duke University Medical Center, Durham, North Carolina 22710, USA
    J Am Geriatr Soc 53:S258-63. 2005
    ..All of these developments point to an increasing ability to tailor therapy to the particular needs of patients and to optimize the clinical management of insomnia...
  10. ncbi Prediction of the utility of a switch from unilateral to bilateral ECT in the elderly using treatment 2 ictal EEG indices
    A D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina 27710, USA
    J ECT 16:327-37. 2000
    ..The choice of whether to administer nondominant unilateral (UL) or bilateral (BL) ECT remains controversial...
  11. ncbi The development and retrospective testing of an electroencephalographic seizure quality-based stimulus dosing paradigm with ECT
    A D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina 27710, USA
    J ECT 16:338-49. 2000
    ..Further prospective work is indicated to determine the clinical utility of such models...
  12. ncbi NREM sleep EEG frequency spectral correlates of sleep complaints in primary insomnia subtypes
    Andrew D Krystal
    Sleep 25:630-40. 2002
    ....
  13. ncbi Report of two cases where sleep related eating behavior occurred with the extended-release formulation but not the immediate-release formulation of a sedative-hypnotic agent
    Ambrose Chiang
    Division of Pulmonary and Critical Care Medicine, Duke University Medical Center, Durham, NC 27710, USA
    J Clin Sleep Med 4:155-6. 2008
    ..These cases illustrate how even relatively small differences such as formulation can affect the likelihood of experiencing such events...
  14. ncbi Psychomotor performance deficits and their relation to prior nights' sleep among individuals with primary insomnia
    Jack D Edinger
    VA Medical Center, Durham, NC 27705, USA
    Sleep 31:599-607. 2008
    ..To examine psychomotor (reaction time) performance deficits and their relation to subjective and objective sleep measures among individuals with primary insomnia (PI)...
  15. ncbi Measuring sleep quality
    Andrew D Krystal
    Duke University, School of Medicine, Durham, North Carolina, USA
    Sleep Med 9:S10-7. 2008
    ....
  16. ncbi Effects of antipsychotic medications on sleep in schizophrenia
    Andrew D Krystal
    Duke Insomnia and Sleep Research Program, Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Int Clin Psychopharmacol 23:150-60. 2008
    ..In this study, we review the effects of schizophrenia medications and discuss their relevance to optimizing the clinical treatment of people with schizophrenia with regard to sleep-wake function...
  17. ncbi Sleep EEG predictors and correlates of the response to cognitive behavioral therapy for insomnia
    Andrew D Krystal
    Duke University Medical Center, Durham VA Medical Center, Durham, NC 27710, USA
    Sleep 33:669-77. 2010
    ..Determine the relationship of non-rapid eye movement (NREM) electroencephalographic (EEG) spectral measures and the response to cognitive behavioral therapy (CBT) in primary insomnia (PI)...
  18. ncbi A compendium of placebo-controlled trials of the risks/benefits of pharmacological treatments for insomnia: the empirical basis for U.S. clinical practice
    Andrew D Krystal
    Insomnia and Sleep Research Laboratory, Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Duke South Hospital, Trent Drive, Durham, NC 27710, USA
    Sleep Med Rev 13:265-74. 2009
    ..Issues related to the application of these data to clinical practice are discussed in the text...
  19. ncbi Sleep-wake functioning along the cancer continuum: focus group results from the Patient-Reported Outcomes Measurement Information System (PROMIS(®))
    Kathryn E Flynn
    Center for Clinical and Genetic Economics, Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC 27715, USA
    Psychooncology 19:1086-93. 2010
    ..As part of an effort to improve measurement of sleep-wake functioning, we explored the scope of difficulties with sleep in a diverse group of patients diagnosed with cancer...
  20. ncbi A double-blind, placebo-controlled study of armodafinil for excessive sleepiness in patients with treated obstructive sleep apnea and comorbid depression
    Andrew D Krystal
    Duke University Medical Center, Department of Psychiatry and Behavioral Sciences, Duke Clinic, 200 Trent Dr, 4th Fl, White Zone, Durham, NC 27710, USA
    J Clin Psychiatry 71:32-40. 2010
    ..This study evaluating armodafinil, a nonamphetamine wakefulness-promoting medication, is the first trial for treatment of excessive sleepiness in patients with treated OSA and comorbid depression...
  21. ncbi Detrusor overactivity persisting at night and preceding nocturia in patients with overactive bladder syndrome: a nocturnal cystometrogram and polysomnogram study
    Andrew D Krystal
    Department of Psychiatry, Duke University Medical Center, Durham, North Carolina 27710, USA
    J Urol 184:623-8. 2010
    ..We established methods to study the physiology of overactive bladder associated nocturia and better understand this phenomenon...
  22. ncbi The effect of vestibular stimulation in a four-hour sleep phase advance model of transient insomnia
    Andrew D Krystal
    Duke University School of Medicine, Durham, NC 27710, USA
    J Clin Sleep Med 6:315-21. 2010
    ..To determine if vestibular stimulation is an effective therapy for transient insomnia in a sleep phase advance model...
  23. ncbi Efficacy and Safety of Doxepin 1 mg and 3 mg in a 12-week Sleep Laboratory and Outpatient Trial of Elderly Subjects with Chronic Primary Insomnia
    Andrew D Krystal
    Duke University School of Medicine, Durham, NC 27710, USA
    Sleep 33:1553-61. 2010
    ..to evaluate the efficacy and safety of doxepin 1 mg and 3 mg in elderly subjects with chronic primary insomnia...
  24. ncbi Long-term efficacy and safety of zolpidem extended-release 12.5 mg, administered 3 to 7 nights per week for 24 weeks, in patients with chronic primary insomnia: a 6-month, randomized, double-blind, placebo-controlled, parallel-group, multicenter study
    Andrew D Krystal
    Duke University Medical Center, Durham, NC 27710, USA
    Sleep 31:79-90. 2008
    ..To evaluate long-term efficacy and safety of zolpidem extended-release 3 to 7 nights/week for chronic primary insomnia...
  25. ncbi Associations of a regulatory polymorphism of monoamine oxidase-A gene promoter (MAOA-uVNTR) with symptoms of depression and sleep quality
    Beverly H Brummett
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Psychosom Med 69:396-401. 2007
    ..MAOA-uVNTR genotype has been associated with both psychological and physical measures...
  26. ncbi Sleep and psychiatric disorders: future directions
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27710, USA
    Psychiatr Clin North Am 29:1115-30; abstract xi. 2006
    ....
  27. ncbi Depression and insomnia in women
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina 27710, USA
    Clin Cornerstone 6:S19-28. 2004
    ..However, few data exist for many key areas related to the treatment of these disorders in women, and research is greatly needed...
  28. ncbi Subtyping primary insomnia: is sleep state misperception a distinct clinical entity?
    Jack D Edinger
    VA Medical Centers, Durham, NC, USA
    Sleep Med Rev 7:203-14. 2003
    ..We conclude by advocating continued study of the subjective insomnia phenomenon and by providing specific directions for relevant future research...
  29. ncbi Behavioral insomnia therapy for fibromyalgia patients: a randomized clinical trial
    Jack D Edinger
    Psychology Service, Veterans Affairs Medical Center, Durham, NC 27705, USA
    Arch Intern Med 165:2527-35. 2005
    ..This study compared CBT with an alternate behavioral therapy and usual care for improving sleep and other FM symptoms...
  30. ncbi Treating the health, quality of life, and functional impairments in insomnia
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    J Clin Sleep Med 3:63-72. 2007
    ..It is not even known if the nonsleep deficits improve with current treatment. We hypothesized that therapy that improves sleep also improves these nonsleep difficulties and carried out this review to test that hypothesis...
  31. ncbi The use of prazosin for the treatment of trauma nightmares and sleep disturbance in combat veterans with post-traumatic stress disorder
    Andrew D Krystal
    Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina, USA
    Biol Psychiatry 61:925-7. 2007
  32. ncbi A comparison of rates of residual insomnia symptoms following pharmacotherapy or cognitive-behavioral therapy for major depressive disorder
    Colleen E Carney
    Duke Insomnia and Sleep Research Program, Duke University Medical Center, Durham, NC 27710, USA
    J Clin Psychiatry 68:254-60. 2007
    ..This study was the first to date to examine residual insomnia after cognitive-behavioral therapy (CBT) for depression and to compare CBT with pharmacotherapy for depression on residual insomnia rates...
  33. ncbi Sleep quality varies as a function of 5-HTTLPR genotype and stress
    Beverly H Brummett
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Psychosom Med 69:621-4. 2007
    ..A common 44-base pair deletion (s allele) polymorphism in the 5-HTTLPR is associated with reduced 5HTT transcription efficiency and 5HT uptake in vitro...
  34. ncbi Comparison of polysomnographic data in age-, sex- and Axis I psychiatric diagnosis matched HIV-seropositive and HIV-seronegative insomnia patients
    Yinghui Low
    Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA
    Clin Neurophysiol 123:2402-5. 2012
    ..We carried out this study to determine if there are differences in polysomnographic (PSG) sleep data in age-, sex- and Axis I diagnoses- matched HIV-seropositive and HIV-seronegative patients...
  35. ncbi Hypnotics should be considered for the initial treatment of chronic insomnia. Pro
    William K Wohlgemuth
    Sleep Research Laboratory and Insomnia Program, Duke University Medical Center, Durham, NC 27710, USA
    J Clin Sleep Med 1:120-4. 2005
  36. ncbi The pharmacologic management of insomnia in patients with HIV
    Toma S Omonuwa
    Duke University School of Medicine, Durham, NC, USA
    J Clin Sleep Med 5:251-62. 2009
    ..The means by which these factors affect the expected risk-benefit profile of insomnia therapies is discussed, and recommendations are made for choosing medications in patients encountered in clinical practice...
  37. ncbi Introduction: Definitions, measurements, and management in insomnia
    Andrew D Krystal
    Duke University Medical Center, Durham, NC, USA
    J Clin Psychiatry 65:5-7. 2004
  38. ncbi Modeling slow-wave activity dynamics: does an exponentially dampened periodic function really fit a single night of normal human sleep?
    Xavier A Preud'homme
    Quantitative EEG and Sleep Research Laboratory, Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, P O Box 2908, Durham, NC 27710, USA
    Clin Neurophysiol 119:2753-61. 2008
    ..The objective of this study is to carry out the first rigorous statistical test of this hypothesized dynamical behavior...
  39. ncbi Panel discussion: changing how we think about insomnia
    Sonia Ancoli-Israel
    J Clin Psychiatry 65:44-6. 2004
  40. ncbi Long-term, non-nightly administration of zolpidem in the treatment of patients with primary insomnia
    Michael L Perlis
    Sleep and Neurophysiology Laboratory, Department of Psychiatry, University of Rochester, and the University of Rochester Medical Center, Neurosciences Program, Rochester, NY 14642, USA
    J Clin Psychiatry 65:1128-37. 2004
    ..The present study was designed to further evaluate this issue within a large scale, double-blind, placebo-controlled, long-term trial...
  41. ncbi The possibility of preventing functional impairment due to sleep loss by pharmacologically enhancing sleep
    Andrew D Krystal
    Sleep 28:16-7. 2005
  42. ncbi A polysomnography study of eszopiclone in elderly patients with insomnia
    W Vaughn McCall
    Wake Forest University Health Sciences, Winston Salem, NC 27157, USA
    Curr Med Res Opin 22:1633-42. 2006
    ..To evaluate the safety and efficacy of eszopiclone 2 mg in elderly patients (aged 64-86 years) with chronic insomnia...
  43. ncbi Nightly treatment of primary insomnia with eszopiclone for six months: effect on sleep, quality of life, and work limitations
    James K Walsh
    Sleep Medicine and Research Center, St John s St Luke s Hospitals and the Department of Psychology, Saint Louis University, St Louis, MO 63017, USA
    Sleep 30:959-68. 2007
    ..To evaluate 6 months' eszopiclone treatment upon patient-reported sleep, fatigue and sleepiness, insomnia severity, quality of life, and work limitations...
  44. ncbi Long-term issues in the treatment of sleep disorders
    Thomas Roth
    Sleep Disorders and Research Center, Henry Ford Health System, Detroit, MI, USA
    CNS Spectr 12:1-14. 2007
    ..Krystal, MD, MS, reviews morbidities associated with insomnia. Finally, Joseph A. Lieberman III, MD, MPH, provides an overview of therapeutics utilized in patients with insomnia, including behavioral therapies and pharmacologic options...
  45. ncbi Case report: Successful riluzole augmentation therapy in treatment-resistant bipolar depression following the development of rash with lamotrigine
    Jaskaran Singh
    Psychopharmacology (Berl) 173:227-8. 2004