psychostimulants for fatigue - pcqn · 2019-12-19 · d/t depression or other psychiatric d/o...
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Psychostimulants for Fatigue
2/21/17
Thomas Reid, MD, MAAssociate Professor of Clinical MedicineDepartments of Medicine and Pediatrics
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“In my experience with psychostimulants for the treatment of fatigue…”Wise Practitioner, MD, NPPalliative Care Provider Extraordinaire
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Learning Objectives
§Define fatigue
§Appreciate the impact of cancer-related fatigue
§Appraise the value of methylphenidate and other psychostimulants in the treatment of fatigue, particularly when cancer-related
By the end of this presentation, you will take pride in your ability to
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Fatigue – Definition
§ relates to an overwhelming lack of energy and a feeling of exhaustion that is associated with impaired physical and/or cognitive function but which does not lead to sleep
§ has physical, affective, and cognitive components
§ can be either central or peripheral • Central fatigue is related to mood, emotion and psychological
arousal, and is associated with increased serotonin release
• Peripheral fatigue is related to mechanisms such as neuromuscular transmission and impulse propagation, dysfunction of the sarcoplasmic reticulum, and other metabolic factors that disrupt energy provision and muscle contraction
Fatigue…
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Fatigue – Definition
§ a feeling of weakness and inability to perform tasks, decreased motivation and low mood, and difficulty in thinking clearly
• It differs from fatigue felt by healthy individuals in that it is of greater magnitude, disproportionate to the level of exertion, and incompletely relieved by rest
§ distress/functional impairment for 2 weeks, almost every day, not d/t depression or other psychiatric d/o
§ persistent in 30% of cancer survivors
§ not etiologically understood
Cancer-Related Fatigue (CRF) is…
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Fatigue – Causes
§Cancer/Cancer treatments
§Neuro disorders
§Depression
§Sleep disorders
§Endocrine disorders
§ Inflammatory Bowel Disease
§Renal failure
For what diagnoses have you observed fatigue to be an issue?
§COPD
§Arthritis
§Autoimmune diseases
§Fibromyalgia
§ Infection
§Tachyarrythmias (e.g., Afib)
§ Liver failure
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Fatigue – Causes
§Pain
§Anemia (specifically during chemo)
§Sleep-Wake disturbances
§Medication side-effects (esp. Antihistamines, Benzodiazepines, Antiepileptics, and Opioids)
What are some conditions contributing to fatigue?
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Fatigue – Hospitalization
Hospitalization disrupts sleep
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Fatigue – Prevalence
§Fatigue (84%), weakness (66%), and lack of energy (61%) are in the top five most common symptoms
§Fatigue is present in >75% of cancer patients
§Fatigue has the greatest negative impact on QOL by self-report
Fatigue is common in adult Palliative Care patients, esp. cancer
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Fatigue – Prevalence
§Of 158 children receiving IV antineoplastic therapy, 80% suffered from symptoms of fatigue
§Children have reported fatigue to be the most distressing of their treatment-related symptoms
§Related to disrupted sleep patterns
• Adult patients experiencing restless sleep at night also experienced more intense daytime fatigue, increased daytime napping and were less active
§Significantly increased during treatment, with medical procedures and the hospital environment identified as major causative factors
Cancer-Related Fatigue (CRF) is common in all children
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Fatigue – Non-Pharmacologic Interventions
§Address the underlying cause
§Exercise/Activity
• Moderate and high-intensity programs
‒ 60-85% max heart rate
‒ >=3 time per week
• Aerobic and/or strength training
Hugs before drugs
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Fatigue – Non-Pharmacologic Interventions
§Cognitive Behavioral Therapy (CBT)
§Energy expenditure planning
§ Insomnia treatments
• Bright White Light (open the curtains, perhaps?)
Hugs before drugs
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Fatigue – Drugs
§Methylphenidate - (more later)
§Modafinil (and R-Modafinil) – (more later)
§Caffeine
• Well-supported for improving exercise tolerance and other parameters in healthy athletes
• Only one study for CRF
‒ Prostate cancer survivors had increased exercise capacity with no change in resulting post-exercise fatigue
Psychostimulants
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Fatigue – Drugs
§Amantadine (MS)
§Steroids (CRF)
• Dexamethasone for outpatients with advanced cancer
• Likely to respond within one week when a response occurs
§ L-Carnitine (Cancer chemotherapy)
§Hematopoietic stimulants (CRF)
• May be helpful if anemia is clearly established
• Not routinely helpful
• Associated with increased risk of thrombotic events in one study
Others with at least one positive study result
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Fatigue – Drugs
§Donepezil
§Paroxetine
§Sertraline
Probably NOT helpful
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Fatigue – Botanicals
§American Ginseng
• Recent RCT showed small positive results
‒ CRF excluding CNS disease
‒ 2000mg PO BID (breakfast and lunch)
‒ Many exclusions
§ Opioids
§ Other moderate to severe symptoms (e.g., pain, insomnia)
§ Changes in cancer treatment
• Negative results in another trial for MS
Limited evidence supports
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Fatigue – Methylphenidate
§Only two studies met inclusion criteria
§Methylphenidate was slightly better than placebo in improving FACIT-Fatigue scores
Cochrane on Methylphenidate in adult cancer patients
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FACIT-Fatigue Scale
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Fatigue – Methylphenidate
• Five studies (overlap with Cochrane), 2 different fatigue scales
Another meta-analysis for Methylphenidate in adult cancer
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Fatigue – Methylphenidate and Modafinil
Yet another meta-analysis in adult cancer (again with overlap)
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§Methylphenidate
• Improved fatigue (7 studies, p<0.0005)
• Had no effect on quality of sleep (2 studies)
• Trended toward worsening depression and QOL (2-3 studies)
§Modafinil
• Trended toward improving fatigue (3 studies)
• Had no effect on quality of sleep, depression, or QOL (1-2 studies)
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Fatigue – Methylphenidate
• Over time
May be more effective…
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• In combination with antidepressants (more in a minute…)
• With more severe fatigue and more advanced disease
Short
Long
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Fatigue – Methylphenidate
• Small adult study
• Dose-dependent effect on mental fatigue as measured by the Mental Fatigue Scale
May help with post Traumatic Brain Injury fatigue
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Psychostimulant Side Effects
§Short-Term
• Cardiovascular (Tachyarrythmias, Hypertension)
• Vertigo
• Nausea
• Anxiety
• Appetite suppression
§ Long-Term
• Modest reduction in BMI, no change in height (for children)
Generally mild and uncommon
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Psychostimulant Side Effects
One meta-analysis of adult studies showed insignificant trend towards more overall side effects with methylphenidate (MPH)
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§The subset of vertigo, anxiety, anorexia and nausea were (significantly) slightly more common
A 2nd meta-analysis of adult studies showed no more severe/life threatening side effects (grade 3 or 4) with MPH or modafinil
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Fatigue and Depression
Fatigue and depression are correlated
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Fatigue and Depression
§Modafinil given to adult cancer patients reduced depressive symptoms
• Fatigued patients became more depressed during treatment
• Fatigue and depression were correlated
• Impact of modafinil was primarily on positive affect and NOTsomatic symptoms, negative affect, or interpersonal subscales
BUT
§Two earlier meta-analyses did not show a beneficial effect of methylphenidate or modafinil on depression in adult cancer patients
Psychostimulants may improve mood in fatigued cancer patients
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Fatigue and Depression
§ In an 88 patient RCT, methyphenidate (MPH) given to adult cancer patients in addition to mirtazepine (MTZ) led to more rapid onset of clinically significant reduction in depression
• Larger improvement (statistically, than MTZ alone) by day 3
• Significantly larger number of patients had a significant response (>50% reduction) by day 14 (and nearly by day 9: p<0.07)
• Nervous system adverse events (psychosis, agitation, insomnia, tremor and seizure) more common with MPH (9/44 vs. 4/44), and all were manageable
Methylphenidate + Mirtazepine = Magic?
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“In the future, I plan to use psychostimulants for the treatment of fatigue…”Wise Practitioner, MD, NPPalliative Care Provider Extraordinaire
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References
§Mücke, M., Mochamat, Cuhls, H., Peuckmann-Post, V., Minton, O., Stone, P., & Radbruch, L. (2016). Pharmacological treatments for fatigue associated with palliative care: executive summary of a Cochrane Collaboration systematic review. Journal of Cachexia, Sarcopenia and Muscle, 7(1), 23–27
§Conley, C. C., Kamen, C. S., Heckler, C. E., Janelsins, M. C., Morrow, G. R., Peppone, L. J., et al. (2016). Modafinil Moderates the Relationship Between Cancer-Related Fatigue and Depression in 541 Patients Receiving Chemotherapy. Journal of Clinical Psychopharmacology, 36(1), 82–85.
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References
§Walter, L. M., Nixon, G. M., Davey, M. J., Downie, P. A., & Horne, R. S. C. (2015). Sleep Medicine Reviews. Sleep Medicine Reviews, 24(c), 71–82.
§Gong, S., Sheng, P., Jin, H., He, H., Qi, E., Chen, W., et al. (2014). Effect of Methylphenidate in Patients with Cancer-Related Fatigue: A Systematic Review and Meta-Analysis. PLoS ONE, 9(1), e84391
§Qu, D., Zhang, Z., Yu, X., Zhao, J., Qiu, F., & Huang, J. (2015). Psychotropic drugs for the management of cancer-related fatigue: a systematic review and meta-analysis. European Journal of Cancer Care, 25(6), 970–979.
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References
§Spathis, A., Booth, S., Grove, S., Hatcher, H., Kuhn, I., & Barclay, S. (2015). Teenage and Young Adult Cancer-Related Fatigue Is Prevalent, Distressing, and Neglected: It Is Time to Intervene. A Systematic Literature Review and Narrative Synthesis. Journal of Adolescent and Young Adult Oncology, 4(1), 3–17.
§Redd, W. H., Valdimarsdottir, H., Wu, L. M., Winkel, G., Byrne, E. E., Beltre, M. A., et al. (2014). Systematic light exposure in the treatment of cancer-related fatigue: a preliminary study. Psycho-Oncology
§ Johansson, B., Wentzel, A.-P., Andréll, P., Odenstedt, J., Mannheimer, C., & Rönnbäck, L. (2014). Evaluation of dosage, safety and effects of methylphenidate on post-traumatic brain injury symptoms with a focus on mental fatigue and pain. Brain Injury, 28(3), 304–310.
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References
§Chang, C.-W., Mu, P.-F., Jou, S.-T., Wong, T.-T., & Chen, Y.-C. (2013). Systematic Review and Meta-Analysis of Nonpharmacological Interventions for Fatigue in Children and Adolescents With Cancer. Worldviews on Evidence-Based Nursing, 10(4), 208–217.
§MD, L. H. G. (2017). Cancer-Related Fatigue. Physical Medicine and Rehabilitation Clinics of NA, 28(1), 65–88.
§Kelley, G. A., & Kelley, K. S. (2017). Aerobic Exercise and Cancer-Related Fatigue in Adults: A Reexamination Using the IVhet Model for Meta-analysis. Cancer Epidemiology Biomarkers & Prevention, 26(2), 281–283.
§Barton, DL et al, Wisconsin Ginseng ( Panax quinquefolius ) to Improve Cancer-Related Fatigue: A Randomized, Double-Blind Trial, J Natl Cancer Inst (2013) 105 (16): 1230-1238
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