Admon, R, Lubin, G, Rosenblatt, JD, et al (2013) Imbalanced neural responsivity to risk and reward indicates stress vulnerability in humans. Cerebral Cortex 23: 28–35.
Google Scholar |
Crossref |
Medline |
ISI
Andrea, CL, Blease, C, Annoni, M, et al. (2018) Implications of Placebo and Nocebo Effects for Clinical Practice: Expert Consensus. Psychotherapy and Psychosomatics 87, 204–210.
Google Scholar |
Crossref |
Medline
Amanzio, M, Benedetti, F (1999) Neuropharmacological dissection of placebo analgesia: Expectation-activated opioid systems versus conditioning-activated specific subsystems. Journal of Neuroscience 19: 484–494.
Google Scholar |
Crossref |
Medline |
ISI
American Psychiatric Association (2013) Diagnostic and Statistical Manual of Mental Disorders (DSM-5®). Arlington, VA: American Psychiatric Publishing.
Google Scholar |
Crossref
Bandelow, B, Reitt, M, Röver, C, et al (2015) Efficacy of treatments for anxiety disorders: A meta-analysis. International Clinical Psychopharmacology 30: 183–192.
Google Scholar |
Crossref |
Medline |
ISI
Becker, BJ (1988) Synthesizing standardized mean-change measures. British Journal of Mathematical and Statistical Psychology 41: 257–278.
Google Scholar |
Crossref |
ISI
Blaya, C, Seganfredo, AC, Dornelles, M, et al (2007) The efficacy of milnacipran in panic disorder: An open trial. International Clinical Psychopharmacology 22: 153–158.
Google Scholar |
Crossref |
Medline |
ISI
Bondemark, L, Ruf, S (2015) Randomized controlled trial: The gold standard or an unobtainable fallacy? European Journal of Orthodontics 37: 457–461.
Google Scholar |
Crossref |
Medline
Breilmann, J, Furukawa, TA, Becker, T, et al (2018) Differences in the placebo response in duloxetine and venlafaxine trials. Acta Psychiatrica Scandinavica 137: 472–480.
Google Scholar |
Crossref |
Medline
Carpenter, JK, Andrews, LA, Witcraft, SM, et al (2018) Cognitive behavioral therapy for anxiety and related disorders: A meta-analysis of randomized placebo-controlled trials. Depression and Anxiety 35: 502–514.
Google Scholar |
Crossref |
Medline
Colloca, L, Benedetti, F (2009) Placebo analgesia induced by social observational learning. Pain 144: 28–34.
Google Scholar |
Crossref |
Medline |
ISI
Colloca, L, Klinger, R, Flor, H, et al (2013) Placebo analgesia: Psychological and neurobiological mechanisms. Pain 154: 511–514.
Google Scholar |
Crossref |
Medline |
ISI
Curie, A, Yang, K, Kirsch, I, et al (2015) Placebo responses in genetically determined intellectual disability: A meta-analysis. PLoS ONE 10: e0133316.
Google Scholar |
Crossref |
Medline
de Jonge, P, Roest, AM, Lim, CCW, et al (2016) Cross-national epidemiology of panic disorder and panic attacks in the world mental health surveys. Depression and Anxiety 33: 1155–1177.
Google Scholar |
Crossref |
Medline |
ISI
Doherty, M, Dieppe, P (2009) The ‘placebo’ response in osteoarthritis and its implications for clinical practice. Osteoarthritis and Cartilage 17: 1255–1262.
Google Scholar |
Crossref |
Medline |
ISI
Dold, M, Kasper, S (2015) Increasing placebo response in antipsychotic trials: A clinical perspective. Evidence-Based Mental Health 18: 77–79.
Google Scholar |
Crossref |
Medline
Fava, M, Evins, AE, Dorer, DJ, et al (2003) The problem of the placebo response in clinical trials for psychiatric disorders: Culprits, possible remedies, and a novel study design approach. Psychotherapy and Psychosomatics 72: 115–127.
Google Scholar |
Crossref |
Medline |
ISI
Flaten, MA, Aslaksen, PM, Lyby, PS, et al (2011) The relation of emotions to placebo responses. Philosophical Transactions of the Royal Society B: Biological Sciences 366: 1818–1827.
Google Scholar |
Crossref |
Medline |
ISI
Fraguas, D, Díaz-Caneja, CM, Pina-Camacho, L, et al (2019) Predictors of placebo response in pharmacological clinical trials of negative symptoms in schizophrenia: A meta-regression analysis. Schizophrenia Bulletin 45: 57–68.
Google Scholar |
Crossref |
Medline
Furukawa, TA, Cipriani, A, Atkinson, LZ, et al (2016) Placebo response rates in antidepressant trials: A systematic review of published and unpublished double-blind randomised controlled studies. Lancet Psychiatry 3: 1059–1066.
Google Scholar |
Crossref |
Medline
Geers, AL, Helfer, SG, Kosbab, K, et al (2005) Reconsidering the role of personality in placebo effects: Dispositional optimism, situational expectations, and the placebo response. Journal of Psychosomatic Research 58: 121–127.
Google Scholar |
Crossref |
Medline |
ISI
Goodwin, RD, Faravelli, C, Rosi, S, et al (2005) The epidemiology of panic disorder and agoraphobia in Europe. European Neuropsychopharmacology 15: 435–443.
Google Scholar |
Crossref |
Medline |
ISI
Gorman, JM, Kent, JM, Sullivan, GM, et al (2000) Neuroanatomical hypothesis of panic disorder, revised. American Journal of Psychiatry 157: 493–505.
Google Scholar |
Crossref |
Medline |
ISI
Gøtzsche, PC (1994) Is there logic in the placebo? Lancet 344: 925–926.
Google Scholar |
Crossref |
Medline |
ISI
Hall, KT, Loscalzo, J, Kaptchuk, TJ (2015) Genetics and the placebo effect: The placebome. Trends in Molecular Medicine 21: 285–294.
Google Scholar |
Crossref |
Medline |
ISI
Higgins, JP, Altman, DG, Gotzsche, PC, et al (2011) The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials. British Medical Journal 343: d5928.
Google Scholar |
Crossref
Higgins, JP, Thompson, SG (2002) Quantifying heterogeneity in a meta-analysis. Statistics in Medicine 21: 1539–1558.
Google Scholar |
Crossref |
Medline |
ISI
Howick, J, Hoffmann, T (2018) How placebo characteristics can influence estimates of intervention effects in trials. Canadian Medical Association Journal 190: E908–E911.
Google Scholar |
Crossref
Hróbjartsson, A, Gøtzsche, PC (2001) Is the placebo powerless? An analysis of clinical trials comparing placebo with no treatment. New England Journal of Medicine 344: 1594–1602.
Google Scholar |
Crossref |
Medline |
ISI
Hróbjartsson, A, Kaptchuk, TJ, Miller, FG (2011) Placebo effect studies are susceptible to response bias and to other types of biases. Journal of Clinical Epidemiology 64: 1223–1229.
Google Scholar |
Crossref |
Medline |
ISI
Huppert, JD, Schultz, LT, Foa, EB, et al (2004) Differential response to placebo among patients with social phobia, panic disorder, and obsessive-compulsive disorder. American Journal of Psychiatry 161: 1485–1487.
Google Scholar |
Crossref |
Medline |
ISI
Hyde, AJ, May, BH, Xue, CC, et al (2017) Variation in placebo effect sizes in clinical trials of oral interventions for management of the behavioral and psychological symptoms of dementia (BPSD): A systematic review and meta-analysis. American Journal of Geriatric Psychiatry 25: 994–1008.
Google Scholar |
Crossref |
Medline
Jackson, JL, Kuriyama, A (2019) How often do systematic reviews exclude articles not published in English? Journal of General Internal Medicine 34: 1388–1389.
Google Scholar |
Crossref |
Medline
Jairath, V, Zou, GY, Parker, CE, et al (2017) Placebo response and remission rates in randomised trials of induction and maintenance therapy for ulcerative colitis. Cochrane Database of Systematic Reviews 9: CD011572.
Google Scholar
Kaptchuk, TJ (2011) Placebo studies and ritual theory: A comparative analysis of Navajo, acupuncture and biomedical healing. Philosophical Transactions of the Royal Society B: Biological Sciences 366: 1849–1858.
Google Scholar |
Crossref |
Medline |
ISI
Kelley, JM, Lembo, AJ, Ablon, JS, et al (2009) Patient and practitioner influences on the placebo effect in irritable bowel syndrome. Psychosomatic Medicine 71: 789–797.
Google Scholar |
Crossref |
Medline
Kessler, RC, Chiu, WT, Demler, O, et al (2005) Prevalence, severity, and comorbidity of 12-month DSM-IV disorders in the national comorbidity survey replication. Archives of General Psychiatry 62: 617–627.
Google Scholar |
Crossref |
Medline
Kirsch, I (1999) Hypnosis and placebos: Response expectancy as a mediator of suggestion effects. Anales de Psicología 15: 99–110.
Google Scholar
Kirsch, I (2019) The placebo effect in the treatment of depression and anxiety. Frontiers in Psychiatry 10: 407.
Google Scholar |
Crossref |
Medline
Klinger, R, Stuhlreyer, J, Schwartz, M, et al (2018) Clinical use of placebo effects in patients with pain disorders. International Review of Neurobiology 139: 107–128.
Google Scholar |
Crossref |
Medline
Kohls, N, Sauer, S, Offenbächer, M, et al (2011) Spirituality: An overlooked predictor of placebo effects? Philosophical Transactions of the Royal Society B: Biological Sciences 366: 1838–1848.
Google Scholar |
Crossref |
Medline
Mackenbach, JP (2005) On the survival of the altruistic trait in medicine: Is there a link with the placebo effect? Journal of Clinical Epidemiology 58: 433–435.
Google Scholar |
Crossref |
Medline
Moher, D, Liberati, A, Tetzlaff, J, et al (2009) Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement. PLoS Medicine 6: e1000097.
Google Scholar |
Crossref |
ISI
Morris, SB (2000) Distribution of the standardized mean change effect size for meta-analysis on repeated measures. British Journal of Mathematical and Statistical Psychology 53: 17–29.
Google Scholar |
Crossref |
Medline |
ISI
Morris, SB (2008) Estimating effect sizes from pretest-posttest-control group designs. Organizational Research Methods 11: 364–386.
Google Scholar |
SAGE Journals |
ISI
Park, S-C, Kim, Y-K (2019) A novel bio-psychosocial-behavioral treatment model of panic disorder. Psychiatry Investigation 16: 4–15.
Google Scholar |
Crossref |
Medline
Pollo, A, Carlino, E, Benedetti, F (2008) The top-down influence of ergogenic placebos on muscle work and fatigue. European Journal of Neuroscience 28: 379–388.
Google Scholar |
Crossref |
Medline
Price, DD, Finniss, DG, Benedetti, F (2008) A comprehensive review of the placebo effect: Recent advances and current thought. Annual Review of Psychology 59: 565–590.
Google Scholar |
Crossref |
Medline |
ISI
Rief, W, Nestoriuc, Y, Weiss, S, et al (2009) Meta-analysis of the placebo response in antidepressant trials. Journal of Affective Disorders 118:
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