Parkinson’s Disease

• Doty RL, Deems DA, Stellar S. Olfactory dysfunction in parkinsonism: a general deficit unrelated to neurologic signs, disease stage, or disease duration. Neurology. 1988 Aug;38(8):1237-44. (UPSIT)

• Doty RL, Riklan M, Deems DA, Reynolds C, Stellar S. The olfactory and cognitive deficits of Parkinson’s disease: evidence for independence. Ann Neurol. 1989 Feb; 25(2): 166-71. (UPSIT)

• Doty RL, Perl DP, Steele JC, Chen KM, Pierce JD Jr, Reyes P, Kurland LT. Olfactory dysfunction in three neurodegenerative diseases. Geriatrics. 1991 Aug;46 Suppl 1:47-51. PMID: 1894145.

• Doty RL, Stern MB, Pfeiffer C, Gollomp SM, Hurtig HI. Bilateral olfactory dysfunction in early stage treated and untreated idiopathic Parkinson’s disease. Neurol Neurosurg Psychiat. 1992 Feb; 55(2): 138-42. (UPSIT) (PIT)
• Doty RL, Singh A, Tetrude J, Langston JW. Lack of olfactory dysfunction in MPTP-induced parkinsonism. Ann Neurol. 1992 Jul; 32(1): 97-100. (UPSIT)

• Doty RL, Golbe LI, McKeown DA, Stern MB, Lehrach CM, Crawford D. Olfactory testing differentiates between progressive supranuclear palsy and idiopathic Parkinson’s disease. Neurology. 1993 May; 43(5): 962-5. (UPSIT)

• Stern MB, Doty RL, Dotti M, Corcoran P, Crawford D, McKeown DA, Adler C, Gollomp S, Hurtig H. Olfactory function in Parkinson’s disease subtypes. Neurology. 1994 Feb;44(2):266-8. (UPSIT)

• Doty RL, Bromley SM, Stern MB. Olfactory testing as an aid in the diagnosis of Parkinson’s disease: development of optimal discrimination criteria. Neurodegeneration. 1995 Mar;4(1):93-7. (UPSIT)
• Wenning GK, Shephard B, Hawkes C, Petruckevitch A, Lees A, Quinn N. Olfactory function in atypical parkinsonian syndromes. Acta Neurol Scand. 1995 Apr; 91(4): 247-50. (UPSIT)

• Mesholam RI, Moberg PJ, Mahr RN, Doty RL. Olfaction in neurodegenerative disease: a meta-analysis of olfactory functioning in Alzheimer’s and Parkinson’s diseases. Arch Neurol. 1998 Jan; 55(1): 84-90. (UPSIT)
• Hawkes CH, Shephard BC. Olfactory evoked responses and identification tests in neurological disease. Ann NY Acad Sci. 1998 Nov 30;855:608-15. doi: 10.1111/j.1749-6632.1998.tb10631.x. PMID: 9929657.(UPSIT)

• Montgomery EB Jr, Koller WC, LaMantia TJ, Newman MC, Swanson-Hyland E, Kaszniak AW, Lyons K. Early detection of probable idiopathic Parkinson’s disease: I. Development of a diagnostic test battery. Mov Disord. 2000 May; 15(3): 467-73. (UPSIT)

• Sobel N, Thomason ME, Stappen I, Tanner CM, Tetrud JW, Bower JM, Sullivan EV, Gabrieli JD. An impairment in sniffing contributes to the olfactory impairment in Parkinson’s disease. Proc Natl Acad Sci USA. 2001 Mar 27; 98(7): 4154-9. (UPSIT)

• Double KL, Rowe DB, Hayes M, et al. Identifying the pattern of olfactory deficits in Parkinson disease using the brief smell identification test. Arch Neurol. 2003 Apr; 60(4): 545-9. (B-SIT)
• Hawkes C. Olfaction in neurodegenerative disorder. Movement Disorders. 2003 Apr; 18(4): 364-72. (UPSIT)

• Khan NL, Katzenschlager R, Watt H, Bhatia KP, Wood NW, Quinn N, Lees AJ. Olfaction differentiates parkin disease from early-onset parkinsonism and Parkinson disease. Neurology. 2004 Apr 13; 62(7): 1224-6. (UPSIT)
• Evidente VG, Esteban RP, Hernandez JL, et al. Smell testing is abnormal in ‘lubag’ or X-linked dystonia-parkinsonism: a pilot study. Parkinsonism Relat Disord. 2004 Oct; 10(7): 407-10. (UPSIT)
• Katzenschlager R, Zijlmans J, Evans A, Watt H, Lees AJ. Olfactory function distinguishes vascular parkinsonism from Parkinson’s disease. J Neurol Neurosurg Psychiatry. 2004 Dec; 75(12): 1749-52. (UPSIT)

• Ondo WG, Lai D. Olfaction testing in patients with tremor-dominant Parkinson’s disease: is this a distinct condition? Mov Disord. 2005 Apr; 20(4): 471-75. (UPSIT)
• Siderowf A, Newberg A, Chou KL, et al. [99mTc]TRODAT-1 SPECT imaging correlates with odor identification in early Parkinson disease. Neurology. 2005 May 24; 64(10): 1716-20. (UPSIT)
• Marras C, Goldman S, Smith A, Barney P, Aston D, Comyns K, Korell M, Langston JW, Ross GW, Tanner CM. Smell identification ability in twin pairs discordant for Parkinson’s disease. Mov Disord. 2005 Jun; 20(6): 687-693. (UPSIT)

• Bohnen NI, Gedela S, Kuwabara H, Constantine GM, Mathis CA, Studenski SA, Moore RY. Selective hyposmia and nigrostriatal dopaminergic denervation in Parkinson’s disease. J Neurol. 2007 Jan; 254(1): 84-90. (SIT).
• Kim JY, Lee WY, Chung EJ, Dhong HJ. Analysis of olfactory function and the depth of olfactory sulcus in patients with Parkinson’s disease. Mov Disord. 2007 Aug 15; 22(11): 1563-6. (B-SIT).
• Antunes MB, Bowler R, Doty RL. San Francisco/Oakland Bay Bridge Welder Study: olfactory function. Neurology. 2007 Sep 18; 69(12): 1278-84. (UPSIT)
• Quagliato LB, Viana MA, Quagliato EM, Simis S. Olfactory dysfunction in Parkinson’s disease. Arq Neuropsiquiatr. 2007 Sep; 65(3A): 647-52. [Article in Portuguese]. (UPSIT)
• Lee PH, Yeo SH, Yong SW, Kim YJ. Odour identification test and its relation to cardiac 123I-metaiodobenzylguanidine in patients with drug induced parkinsonism. J Neurol Neurosurg Psychiatry. 2007 Nov; 78(11): 1250-2. (B-SIT).
• Siderowf A, Jennings D, Connolly J, Doty RL, Marek K, Stern MB. Risk factors for Parkinson’s disease and impaired olfaction in relatives of patients with Parkinson’s disease. Mov Disord. 2007 Nov 15; 22(15): 2249-55. (UPSIT)

• Hawkes CH. Parkinson’s disease and aging: same or different process? Mov Disord. 2008 Jan; 23(1): 47-53. (UPSIT)
• Louis ED, Marder K, Tabert MH, Devanand DP. Mild Parkinsonian signs are associated with lower olfactory test scores in the community-dwelling elderly. Mov Disord. 2008 Mar 15; 23(4): 524-30. (UPSIT)
• Wilson RS, Arnold SE, Buchman AS, Tang Y, Bennett DA. Odor identification and progression of parkinsonian signs in older persons. Exp Aging Res. 2008 Jul-Sep; 34(3): 173-87. (B-SIT)
• Silveira-Moriyama L, Guedes LC, Kingsbury A, Ayling H, Shaw K, Barbosa ER, et al. Hyposmia in G2019S LRRK2-related parkinsonism: clinical and pathologic data. Neurology. 2008 Sep 23; 71(13): 1021-6. (UPSIT)
• Bohnen NI, Gedela S, Herath P, Constantine GM, Moore RY. Selective hyposmia in Parkinson disease: association with hippocampal dopamine activity. Neurosci Lett. 2008 Dec 5; 447(1): 12-6. (UPSIT)
• Goldstein DS, Holmes C, Bentho O, Sato T, Moak J, Sharabi Y, et al. Biomarkers to detect central dopamine deficiency and distinguish Parkinson disease from multiple system atrophy. Parkinsonism Relat Disord. 2008 Dec; 14(8): 600-7.  (UPSIT)
• Silveira-Moriyama L, Carvalho Mde J, Katzenschlager R, Petrie A, Ranvaud R, Barbosa ER, Lees AJ. The use of smell identification tests in the diagnosis of Parkinson’s disease in Brazil. Mov Disord. 2008 Dec 15; 23(16): 2328-34. (UPSIT)

• Shah M, Deeb J, Fernando M, Noyce A, Visentin E, Findley LJ, Hawkes CH. Abnormality of taste and smell in Parkinson’s disease. Parkinsonism Relat Disord. 2009 Mar; 15(3): 232-7. (UPSIT) (REG)
• Silveira-Moriyama L, Schwingenschuh P, et al. Olfaction in patients with suspected parkinsonism and scans without evidence of dopaminergic deficit (SWEDDs). J Neurol Neurosurg Psychiatry. 2009 Jul; 80(7): 744-8. (UPSIT)
• Goldstein DS, Sewell L. Olfactory dysfunction in pure autonomic failure: Implications for the pathogenesis of Lewy body diseases. Parkinsonism Relat Disord. 2009 Aug; 15(7): 516-20. (UPSIT)
• Chou KL, Bohnen NI. (2009) Performance on an Alzheimer-selective odor identification test in patients with Parkinson’s disease and its relationship with cerebral dopamine transporter activity. Parkinsonism Relat Disord. 2009 Nov; 15(9): 640-3. (UPSIT)

• Goldstein DS, Sewell L, Holmes C. Association of anosmia with autonomic failure in Parkinson disease. Neurology. 2010 Jan 19; 74(3): 245-51. (UPSIT)
• Ramjit AL, Sedig L, Leibner J, Wu SS, Dai Y, Okun MS, Rodriguez RL, Malaty IA, Fernandez HH. The relationship between anosmia, constipation, and orthostasis and Parkinson’s disease duration: results of a pilot study. Int J Neurosci. 2010 Jan; 120(1): 67-70. (UPSIT)
• Cramer CK, Friedman JH, Amick MM. Olfaction and apathy in Parkinson’s disease. Parkinsonism Relat Disord. 2010 Feb; 16(2): 124-6.(B-SIT)
• Sedig L, Leibner J, Ramjit AL, Wu SS, Dai Y, Okun MS, Rodriguez RL, Malaty IA, Fernandez HH. Is rhinorrhea an under-recognized intrinsic symptom of Parkinson disease? A prospective pilot study. Int J Neurosci. 2010 Apr; 120(4): 258-60. (UPSIT)
• Bohnen NI, Müller ML, Kotagal V, Koeppe RA, Kilbourn MA, Albin RL, Frey KA. Olfactory dysfunction, central cholinergic integrity and cognitive impairment in Parkinson’s disease. Brain. 2010 Jun; 133(Pt 6): 1747-54. (UPSIT)
• Tijero B, Gomez-Esteban JC, Llorens V, Lezcano E, Gonzalez-Fernández MC, de Pancorbo MM, et al. Cardiac sympathetic denervation precedes nigrostriatal loss in the E46K mutation of the alpha-synuclein gene (SNCA). Clin Auton Res. 2010 Aug; 20(4): 267-9. (B-SIT)
• Ibarretxe-Bilbao N, Junque C, Marti MJ, Valldeoriola F, Vendrell P, Bargallo N, Zarei M, Tolosa E. Olfactory impairment in Parkinson’s disease and white matter abnormalities in central olfactory areas: A voxel-based diffusion tensor imaging study. Mov Disord. 2010 Sep 15; 25(12): 1888-94. (UPSIT)
• Stephenson R, Houghton D, Sundarararjan S, Doty RL, Stern M, Xie SX, Siderowf A. Odor identification deficits are associated with increased risk of neuropsychiatric complications in patients with Parkinson’s disease. Mov Disord 2010 Oct 15; 25(13): 2099-104. (UPSIT)
• Kertelge L, Brüggemann N, Schmidt A, et al. Impaired sense of smell and color discrimination in monogenic and idiopathic Parkinson’s disease. Mov Disord. 2010 Nov 15; 25(15): 2665-9. (UPSIT)
• Deeb J, Shah M, Muhammed N, Gunasekera R, Gannon K, Findley LJ, Hawkes CH. A basic smell test is as sensitive as a dopamine transporter scan: comparison of olfaction, taste and DaTSCAN in the diagnosis of Parkinson’s disease. QJM. 2010 Dec; 103(12): 941-52. (UPSIT)

• Ådén E, Carlsson M, Poortvliet E, et al. Dietary intake and olfactory function in patients with newly diagnosed Parkinson’s disease. Nutr Neurosci. 2011 Jan; 14(1): 25-31.(B-SIT)
• Alcalay RN, Siderowf A, Ottman R, et al. Olfaction in Parkin heterozygotes and compound heterozygotes: the CORE-PD study. Neurology. 2011 Jan 25; 76(4): 319-26. (UPSIT)
• Rodríguez-Violante M, Lees AJ, Cervantes-Arriaga A, Corona T, Silveira-Moriyama L. Use of smell test identification in Parkinson’s disease in Mexico: a matched case-control study. Mov Disord. 2011 Jan; 26(1): 173-6. (B-SIT)
• Valldeoriola F, Gaig C, Muxí A, et al. 123I-MIBG cardiac uptake and smell identification in parkinsonian patients with LRRK2 mutations. J Neurol. 2011 Jun;258(6):1126-32. (B-SIT)
• Rolheiser TM, Fulton HG, Good KP, et al. Diffusion tensor imaging and olfactory identification testing in early-stage Parkinson’s disease. J Neurol. 2011 Jul; 258(7): 1254-60. (UPSIT)
• Saunders-Pullman R, Stanley K, Wang C, et al. Olfactory dysfunction in LRRK2 G2019S mutation carriers. Neurology. 2011 Jul 26; 77(4): 319-24. (UPSIT)
• Morley JF, Weintraub D, Mamikonyan E, Moberg PJ, Siderowf AD, Duda JE. (2011) Olfactory dysfunction is associated with neuropsychiatric manifestations in Parkinson’s disease. Mov Disord. 2011 Sep; 26(11): 2051-7. (UPSIT)
• Ruiz-Martínez J, Gorostidi A, Goyenechea E, et al. Olfactory deficits and cardiac 123I-MIBG in Parkinson’s disease related to the LRRK2 R1441G and G2019S mutations. Mov Disord. 2011 Sep; 26(11): 2026-31, doi: 10.1002/mds.23773. (B-SIT)
• Berendse HW, Roos DS, Raijmakers P, Doty RL. Motor and non-motor correlates of olfactory dysfunction in Parkinson’s disease. J Neurol Sci. 2011 Nov 15; 310(1-2): 21-4. (UPSIT)

• Kang P, Kloke J, Jain J. Olfactory dysfunction and parasympathetic dysautonomia in Parkinson’s disease. Clin Auton Res. 2012 Feb 8. (UPSIT)
• McNeill A, Duran R, Proukakis C, Bras J, Hughes D, Mehta A, Hardy J, Wood NW, Schapira AH. Hyposmia and cognitive impairment in Gaucher disease patients and carriers. Mov Disord. 2012 Feb 16, doi: 10.1002/mds.24945. (UPSIT)
• Siderowf A, Jennings D, Eberly S, et al. Impaired olfaction and other prodromal features in the Parkinson At-Risk Syndrome study. Mov Disord. 2012 Mar; 27(3): 406-412, doi: 10.1002/mds.24892. (UPSIT)
• Miyamoto T. Olfactory Dysfunction in Parkinson Disease and REM Sleep Behavior Disorder. Brain Nerve. 2012 Apr; 64(4): 356-63. [Article in Japanese]. (UPSIT)
• Alcalay RN, Caccappolo E, Mejia-Santana H, et al. Cognitive performance of GBA mutation carriers with early-onset PD: The CORE-PD study. Neurology. 2012 May 1; 78(18): 1434-40. (UPSIT)
• Doty RL. Olfactory dysfunction in Parkinson disease. Nat Rev Neurol. 2012 May 15;8(6):329-39. doi: 10.1038/nrneurol.2012.80.
• Doty RL. Olfaction in Parkinson’s disease and related disorders. Neurobiol Dis. 2012 Jun;46(3):527-52.
• Kang P, Kloke J, Jain S. Olfactory dysfunction and parasympathetic dysautonomia in Parkinson’s disease. Clin Auton Res. 2012 Aug; 22(4): 161-6. (UPSIT)
• Sharma JC, Turton J. Olfaction, dyskinesia and profile of weight change in Parkinson’s disease: Identifying neurodegenerative phenotypes. Parkinsonism Relat Disord. 2012 Sep;18(8):964-70. (UPSIT)
• Bannier S, Berdagué JL, Rieu I, de Chazeron I, Marques A, Derost P, Ulla M, Llorca PM, Durif F. Prevalence and phenomenology of olfactory hallucinations in Parkinson’s disease. J Neurol Neurosurg Psychiatry. 2012 Oct;83(10):1019-21. doi: 10.1136/jnnp-2012-302414. Epub 2012 Jun 29. (French UPSIT)
• Dahodwala N, Kubersky L, Siderowf A; PARS Investigators. Can a screening questionnaire accurately identify mild Parkinsonian signs? Neuroepidemiology. 2012;39(3-4): 171-5. doi: 10.1159/000341409. (UPSIT)
• Skorpil M1, Söderlund V, Sundin A, Svenningsson P. MRI diffusion in Parkinson’s disease: using the technique’s inherent directional information to study the olfactory bulb and substantia nigra. J Parkinsons Dis. 2012;2(2):171-80. doi: 10.3233/JPD-2012-12091. (UPSIT)

• Shin HY, Joo EY, Kim ST, Dhong HJ, Cho JW..Comparison study of olfactory function and substantia nigra hyperechogenicity in idiopathic REM sleep behavior disorder, Parkinson’s disease and normal control. Neurol Sci. 2013 Jun;34(6):935-40. doi: 10.1007/s10072-012-1164-0. Epub 2012 Jul 28. (BSIT)
• Hakyemez HA, Veyseller B, Ozer F, Ozben S, Bayraktar GI, Gurbuz D, Cetin S, Yildirim YS.Relationship of olfactory function with olfactory bulbus volume, disease duration and Unified Parkinson’s disease rating scale scores in patients with early stage of idiopathic Parkinson’s disease. J Clin Neurosci. 2013 Jul 16. pii: S0967-5868(13)00109-4. doi: 10.1016/j.jocn.2012.11.017. (UPSIT)
• Picillo M, Pellecchia MT, Erro R, Amboni M, Vitale C, Iavarone A, Moccia M, Allocca R, Orefice G, Barone P. The use of University of Pennsylvania Smell Identification Test in the diagnosis of Parkinson’s disease in Italy. Neurol Sci. 2013 Aug 22. (UPSIT)
• Postuma RB, Gagnon JF, Tuineaig M, Bertrand JA, Latreille V, Desjardins C, Montplaisir JY. Antidepressants and REM sleep behavior disorder: isolated side effect or neurodegenerative signal? Sleep. 2013 Nov 1;36(11):1579-85. doi: 10.5665/sleep.3102. (BSIT)

• Yu CY, Wu RM. Application of the university of pennsylvania smell identification test (traditional chinese version) for detecting olfactory deficits in early Parkinson’s disease in a taiwanese cohort. J Parkinsons Dis. 2014 Jan 1;4(2):175-80. doi: 10.3233/JPD-130309. (UPSIT)
• Noyce AJ, Bestwick JP, Silveira-Moriyama L, Hawkes CH, Knowles CH, Hardy J, Giovannoni G, Nageshwaran S, Osborne C, Lees AJ, Schrag A. PREDICT-PD: Identifying risk of Parkinson’s disease in the community: methods and baseline results. J Neurol Neurosurg Psychiatry. 2014 Jan;85(1):31-7. doi: 10.1136/jnnp-2013-305420. (UPSIT)
• Rodríguez-Violante M, Gonzalez-Latapi P, Camacho-Ordoñez A, Martínez-Ramírez D, Morales-Briceño H, Cervantes-Arriaga A. Low specificity and sensitivity of smell identification testing for the diagnosis of Parkinson’s disease. Arq Neuropsiquiatr. 2014 Jan;72(1):33-7. doi: 10.1590/0004-282X20130190. (UPSIT)
• Doty RL, Kamath V. The influences of age on olfaction: a review. Front Psychol. 2014 Feb 7;5:20. doi: 10.3389/fpsyg.2014.00020. eCollection 2014.
• Navarro-Otano J, Gaig C, Muxi A, Lomeña F, Compta Y, Buongiorno MT, Martí MJ, Tolosa E, Valldeoriola F.123I-MIBG cardiac uptake, smell identification and 123I-FP-CIT SPECT in the differential diagnosis between vascular parkinsonism and Parkinson’s disease. Parkinsonism Relat Disord. 2014 Feb;20(2):192-7. doi: 10.1016/j.parkreldis.2013.10.025. Epub 2013 Nov 5. (UPSIT)
• Fujio H, Inokuchi G, Fukuda Y, Hasegawa S, Ootsuki N, Nibu K. A case report of Parkinson’s disease presenting with olfactory disturbance as a primary symptom in the early stage. Nihon Jibiinkoka Gakkai Kaiho. 2014 Jul;117(7):932-5.
• Johansen KK1, Warø BJ, Aasly JO. Olfactory dysfunction in sporadic Parkinson’s Disease and LRRK2 carriers. Acta Neurol Scand. 2014 May;129(5):300-6. doi: 10.1111/ane.12172. Epub 2013 Aug 13. (BSIT)
• Moccia M, Picillo M, Erro R, Vitale C, Amboni M, Palladino R, Cioffi DL, Barone P, Pellecchia MT. How does smoking affect olfaction in Parkinson’s disease? J Neurol Sci. 2014 May 15;340(1-2):215-7. doi: 10.1016/j.jns.2014.02.018. Epub 2014 Feb 24. (UPSIT)
• Lucassen EB, Sterling NW, Lee EY, Chen H, Lewis MM, Kong L, Huang X. History of smoking and olfaction in Parkinson’s disease. Mov Disord. 2014 Jul;29(8):1069-74. doi: 10.1002/mds.25912. Epub 2014 May 16. PMID: 24833119; PMCID: PMC4107167. (UPSIT)
• Galvez V, Diaz R, Hernandez-Castillo CR, Campos-Romo A, Fernandez-Ruiz J.Olfactory performance in spinocerebellar ataxia type 7 patients. Parkinsonism Relat Disord. 2014 May;20(5):499-502. doi: 10.1016/j.parkreldis.2014.01.024. Epub 2014 Feb 13. (UPSIT)
• Doty RL, Beals E, Osman A, Dubroff J, Chung I, Leon-Sarmiento FE, Hurtig H, Ying GS. Suprathreshold odor intensity perception in early-stage Parkinson’s disease. Mov Disord. 2014 Aug;29(9):1208-12. doi: 10.1002/mds.25946. Epub 2014 Jun 28 (UPSIT)
• Driver-Dunckley E, Adler CH, Hentz JG, Dugger BN, Shill HA, Caviness JN, Sabbagh MN, Beach TG; Arizona Parkinson Disease Consortium. Olfactory dysfunction in incidental Lewy body disease and Parkinson’s disease. Parkinsonism Relat Disord. 2014 Nov;20(11):1260-2. doi: 10.1016/j.parkreldis.2014.08.006. Epub 2014 Aug 16. PMID: 25172126; PMCID: PMC4835172. (UPSIT)
• Gaig C, Vilas D, Infante J, Sierra M, García-Gorostiaga I, Buongiorno M, Ezquerra M, Martí MJ, Valldeoriola F, Aguilar M, Calopa M, Hernandez-Vara J, Tolosa E. Nonmotor Symptoms in LRRK2 G2019S Associated Parkinson’s Disease. PLoS One. 2014 Oct 17;9(10):e108982. doi: 10.1371/journal.pone.0108982. eCollection 2014 (UPSIT)
• Doty RL, Nsoesie MT, Chung I, Osman A, Pawasarat I, Caulfield J, Hurtig H, Silas J, Dubroff J, Duda JE, Ying GS, Tekeli H, Leon-Sarmiento FE. Taste function in early stage treated and untreated Parkinson’s disease. J Neurol. 2015 Mar;262(3):547-57. doi: 10.1007/s00415-014-7589-z. Epub 2014 Dec 6. PMID: 25480568. (REG)
• Beavan M, McNeill A, Proukakis C, Hughes DA, Mehta A, Schapira AH. Evolution of prodromal clinical markers of Parkinson disease in a GBA mutation-positive cohort. JAMA Neurol. 2015 Feb;72(2):201-8. doi: 10.1001/jamaneurol.2014.2950. PMID: 25506732; PMCID: PMC4326672. (UPSIT)
• Calderón-Garcidueñas L, Kulesza RJ, Doty RL, D’Angiulli A, Torres-Jardón R. Megacities air pollution problems: Mexico City Metropolitan Area critical issues on the central nervous system pediatric impact. Environ Res. 2015 Feb;137:157-69. doi: 10.1016/j.envres.2014.12.012. Epub 2014 Dec 23. PMID: 25543546.
• Sharer JD, Leon-Sarmiento FE, Morley JF, Weintraub D, Doty RL. Olfactory dysfunction in Parkinson’s disease: Positive effect of cigarette smoking. Mov Disord. 2015 May;30(6):859-62. doi: 10.1002/mds.26126. Epub 2014 Dec 27. PMID: 25545729; PMCID: PMC4439272. (UPSIT)
• Prashanth R, Roy SD, Mandal PK, Ghosh S. Parkinson’s disease detection using olfactory loss and REM sleep disorder features. Conf Proc IEEE Eng Med Biol Soc. 2014;2014:5764-7. doi: 10.1109/EMBC.2014.6944937. (UPSIT)
• Hanoğlu L, Hakyemez HA, Özer F, Özben S, Demirci S, Oğuz Akarsu E. Relation between Olfactory Dysfunction and Episodic Verbal Memory in Early Parkinson’s Disease. Noro Psikiyatr Ars. 2014 Dec;51(4):389-394. doi: 10.5152/npa.2014.7353. Epub 2014 Dec 1. (UPSIT)

• Hong JY, Sunwoo MK, Ham JH, Lee JJ, Lee PH, Sohn YH. Apathy and olfactory dysfunction in early Parkinson’s disease. J Mov Disord. 2015 Jan;8(1):21-5. doi: 10.14802/jmd.14029. Epub 2015 Jan 13 (BSIT).
• Liu R, Umbach DM, Peddada SD, Xu Z, Tröster AI, Huang X, Chen H. Potential sex differences in nonmotor symptoms in early drug-naive Parkinson disease. Neurology. 2015 May 26;84(21):2107-15. doi: 10.1212/WNL.0000000000001609. Epub 2015 Apr 29. (UPSIT)
• Georgiopoulos C, Davidsson A, Engström M, Larsson EM, Zachrisson H, Dizdar N. The diagnostic value of dopamine transporter imaging and olfactory testing in patients with parkinsonian syndromes. J Neurol. 2015 Sep;262(9):2154-63. doi: 10.1007/s00415-015-7830-4. Epub 2015 Jun 30. PMID: 26122543. (BSIT)
• Cavaco S, Gonçalves A, Mendes A, Vila-Chã N, Moreira I, Fernandes J, Damásio J, Teixeira-Pinto A, Bastos Lima A. Abnormal Olfaction in Parkinson’s Disease Is Related to Faster Disease Progression. Behav Neurol. 2015;2015:976589. doi: 10.1155/2015/976589. Epub 2015 Jun 2. (BSIT)
• Štenc Bradvica I, Mihaljević I, Butković-Soldo S, Kadojić D, Titlić M, Bradvica M, Kralik K. Transcranial sonography and the pocket smell test in the differential diagnosis between parkinson’s disease and essential tremor. Neurol Sci. 2015 Aug;36(8):1403-10. doi: 10.1007/s10072-015-2152-y. Epub 2015 Mar 19. (PST)
• Thaler A, Helmich RC, Or-Borichev A, van Nuenen BF, Shapira-Lichter I, Gurevich T, Orr-Urtreger A, Marder K, Bressman S, Bloem BR, Giladi N, Hendler T, Mirelman A; LRRK2 Ashkenazi Jewish consortium. Intact working memory in non-manifesting LRRK2 carriers–an fMRI study. Eur J Neurosci. 2016 Jan;43(1):106-12. doi: 10.1111/ejn.13120. Epub 2015 Dec 18. PMID: 26536050. (UPSIT)
• Malek N, Swallow DM, Grosset KA, Lawton MA, Smith CR, Bajaj NP, Barker RA, Ben-Shlomo Y, Bresner C, Burn DJ, Foltynie T, Morris HR, Williams N, Wood NW, Grosset DG; PRoBaND Investigators. Olfaction in Parkin single and compound heterozygotes in a cohort of young onset Parkinson’s disease patients. Acta Neurol Scand. 2016 Oct;134(4):271-6. doi: 10.1111/ane.12538. Epub 2015 Dec 1. PMID: 26626018. (UPSIT)
• Vikdahl M, Domellöf ME, Forsgren L, Håglin L. Olfactory Function, Eating Ability, and Visceral Obesity Associated with MMSE Three Years after Parkinson’s Disease Diagnosis. J Nutr Health Aging. 2015;19(9):894-900. doi: 10.1007/s12603-015-0573-1. (BSIT)
• Picillo M, De Rosa A, Pellecchia MT, Criscuolo C, Amboni M, Erro R, Bonifati V, De Michele G, Barone P. Olfaction in Homozygous and Heterozygous SYNJ1 Arg258Gln Mutation Carriers. Mov Disord Clin Pract. 2015 Jul 25;2(4):413-416. doi: 10.1002/mdc3.12183. PMID: 30363595; PMCID: PMC6178755. (UPSIT)

• Håglin L, Johansson I, Forsgren L, Bäckman L. Intake of vitamin B before onset of Parkinson’s disease and atypical parkinsonism and olfactory function at the time of diagnosis. Eur J Clin Nutr. 2017 Jan;71(1):97-102. doi: 10.1038/ejcn.2016.181. Epub 2016 Oct 5. (BSIT)
• White TL, Sadikot AF, Djordjevic J. Metacognitive knowledge of olfactory dysfunction in Parkinson’s disease. Brain Cogn. 2016 Apr;104:1-6. doi: 10.1016/j.bandc.2016.01.004. Epub 2016 Feb 8. (UPSIT)
• Fullard ME, Tran B, Xie SX, Toledo JB, Scordia C, Linder C, Purri R, Weintraub D, Duda JE, Chahine LM, Morley JF. Olfactory impairment predicts cognitive decline in early Parkinson’s disease. Parkinsonism Relat Disord. 2016 Apr;25:45-51. doi: 10.1016/j.parkreldis.2016.02.013. Epub 2016 Feb 19. PMID: 26923521; PMCID: PMC4825674. (UPSIT)
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• Domellöf ME, Lundin KF, Edström M, Forsgren L. Olfactory dysfunction and dementia in newly diagnosed patients with Parkinson’s disease. Parkinsonism Relat Disord. 2017 May;38:41-47. doi: 10.1016/j.parkreldis.2017.02.017. Epub 2017 Feb 21. PMID: 28242255. (BSIT)
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• San Luciano M, Wang C, Ortega RA, Giladi N, Marder K, Bressman S, Saunders-Pullman R; Michael J Fox Foundation LRRK2 Consortium. Sex differences in LRRK2 G2019S and idiopathic Parkinson’s Disease.Ann Clin Transl Neurol. 2017 Oct 19;4(11):801-810. doi: 10.1002/acn3.489. eCollection 2017 Nov. (UPSIT)
• Sobhani S, Rahmani F, Aarabi MH, Sadr AV. Exploring white matter microstructure and olfaction dysfunction in early parkinson disease: diffusion MRI reveals new insight. Brain Imaging Behav. 2019 Feb;13(1):210-219. doi: 10.1007/s11682-017-9781-0. PMID: 29134611. (UPSIT)
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• Morley JF, Cohen A, Silveira-Moriyama L, Lees AJ, Williams DR, Katzenschlager R, Hawkes C, Shtraks JP, Weintraub D, Doty RL, Duda JE. Optimizing olfactory testing for the diagnosis of Parkinson’s disease: item analysis of the university of Pennsylvania smell identification test. NPJ Parkinsons Dis. 2018 Jan 15;4:2. doi: 10.1038/s41531-017-0039-8. eCollection 2018 (UPSIT, BSIT)
• Noyce AJ, Dickson J, Rees RN, Bestwick JP, Isaias IU, Politis M, Giovannoni G, Warner TT, Lees AJ, Schrag A. Dopamine reuptake transporter-single-photon emission computed tomography and transcranial sonography as imaging markers of prediagnostic Parkinson’s disease. Mov Disord. 2018 Mar;33(3):478-482. doi: 10.1002/mds.27282. Epub 2018 Jan 30. PMID: 29380907. (UPSIT, BSIT)
• Koros C, Stamelou M, Simitsi A, Beratis I, Papadimitriou D, Papagiannakis N, Fragkiadaki S, Kontaxopoulou D, Papageorgiou SG, Stefanis L. Selective cognitive impairment and hyposmia in p.A53T SNCA PD vs typical PD. Neurology. 2018 Mar 6;90(10):e864-e869. doi: 10.1212/WNL.0000000000005063. Epub 2018 Feb 7. PMID: 29438043. (UPSIT, BSIT)
• Campabadal A, Segura B, Baggio HC, Abos A, Uribe C, Garcia-Diaz AI, Marti MJ, Valldeoriola F, Compta Y, Bargallo N, Junque C. Diagnostic Accuracy, Item Analysis and Age Effects of the UPSIT Spanish Version in Parkinson’s Disease. Arch Clin Neuropsychol. 2019 Jun 1;34(4):435-444. doi: 10.1093/arclin/acy053. PMID: 30007334. (UPSIT)
• Dolatshahi M, Pourmirbabaei S, Kamalian A, Ashraf-Ganjouei A, Yaseri M, Aarabi MH. Longitudinal Alterations of Alpha-Synuclein, Amyloid Beta, Total, and Phosphorylated Tau in Cerebrospinal Fluid and Correlations Between Their Changes in Parkinson’s Disease. Front Neurol. 2018 Jul 11;9:560. doi: 10.3389/fneur.2018.00560. eCollection 2018. (UPSIT)
• Finberg JPM, Schwartz M, Jeries R, Badarny S, Nakhleh MK, Abu Daoud E, Ayubkhanov Y, Aboud-Hawa M, Broza YY, Haick H. Sensor Array for Detection of Early Stage Parkinson’s Disease before Medication. ACS Chem Neurosci. 2018 Nov 21;9(11):2548-2553. doi: 10.1021/acschemneuro.8b00245. Epub 2018 Jul 13. PMID: 29989795. (UPSIT)
• Hughes KC, Gao X, Baker JM, Stephen C, Kim IY, Valeri L, Schwarzschild MA, Ascherio A. Non-motor features of Parkinson’s disease in a nested case-control study of US men. J Neurol Neurosurg Psychiatry. 2018 Dec;89(12):1288-1295. doi: 10.1136/jnnp-2018-318275. Epub 2018 Aug 3. PMID: 30076266. (BSIT)
• Postuma RB, Poewe W, Litvan I, Lewis S, Lang AE, Halliday G, Goetz CG, Chan P, Slow E, Seppi K, Schaffer E, Rios-Romenets S, Mi T, Maetzler C, Li Y, Heim B, Bledsoe IO, Berg D. Validation of the MDS clinical diagnostic criteria for Parkinson’s disease. Mov Disord. 2018 Oct;33(10):1601-1608. doi: 10.1002/mds.27362. Epub 2018 Aug 25. PMID: 30145797. (BSIT)
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• Cao M, Li Y, Gu Z, Mi T, Xu X, Ma C, Chen M, Wu M, Chan P. Validation of the utility of the Brief Smell Identification Test in Chinese patients with Parkinson’s disease. J Clin Neurosci. 2019 Feb;60:68-72. doi: 10.1016/j.jocn.2018.10.023. Epub 2018 Oct 16. PMID: 30340975. (BSIT)
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• Iwaki H, Hughes KC, Gao X, Schwarzschild MA, Ascherio A. The association between restless legs syndrome and premotor symptoms of Parkinson’s disease. J Neurol Sci. 2018 Nov 15;394:41-44. doi: 10.1016/j.jns.2018.08.028. Epub 2018 Sep 1. (BSIT)
• Kim R, Kim HJ, Kim A, Jang M, Kim A, Kim Y, Yoo D, Im JH, Choi JH, Jeon B. Peripheral blood inflammatory markers in early Parkinson’s disease. J Clin Neurosci. 2018 Dec;58:30-33. doi: 10.1016/j.jocn.2018.10.079. Epub 2018 Oct 24. (BSIT)

• Leon-Sarmiento FE, Bayona-Prieto J, Leon-Ariza JS, Leon-Ariza DS, Jacob AE, LaFaver K, Doty RL. Smell status in functional movement disorders: New clues for diagnosis and underlying mechanisms. Clin Neurol Neurosurg. 2019 Feb;177:68-72. doi: 10.1016/j.clineuro.2018.12.017. Epub 2019 Jan 2. PMID: 30612044. (BSIT)
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• Avenali M, Toffoli M, Mullin S, McNeil A, Hughes DA, Mehta A, Blandini F, Schapira AHV. Evolution of prodromal parkinsonian features in a cohort of GBA mutation-positive individuals: a 6-year longitudinal study. J Neurol Neurosurg Psychiatry. 2019 Oct;90(10):1091-1097. doi: 10.1136/jnnp-2019-320394. Epub 2019 Jun 20. PMID: 31221723. (UPSIT)
• Mullin S, Beavan M, Bestwick J, McNeill A, Proukakis C, Cox T, Hughes D, Mehta A, Zetterberg H, Schapira AHV. Evolution and clustering of prodromal parkinsonian features in GBA1 carriers. Mov Disord. 2019 Sep;34(9):1365-1373. doi: 10.1002/mds.27775. Epub 2019 Jun 28. PMID: 31251436; PMCID: PMC6790937. (BSIT)
• Yang J, Lv DJ, Li LX, Wang YL, Qi D, Chen J, Mao CJ, Wang F, Liu Y, Hu LF, Liu CF. Nicotine improved the olfactory impairment in MPTP-induced mouse model of Parkinson’s disease. Neurotoxicology. 2019 Jul;73:175-182. doi: 10.1016/j.neuro.2019.02.008. Epub 2019 Apr 10. (UPSIT)
• Roos DS, Twisk JWR, Raijmakers PGHM, Doty RL, Berendse HW. Hyposmia as a marker of (non-)motor disease severity in Parkinson’s disease. J Neural Transm (Vienna). 2019 Nov;126(11):1471-1478. doi: 10.1007/s00702-019-02074-0. Epub 2019 Sep 12. (UPSIT)
• Nag S, Yu L, VanderHorst VG, Schneider JA, Bennett DA, Buchman AS, Wilson RS. Neocortical Lewy bodies are associated with impaired odor identification in community-dwelling elders without clinical PD. J Neurol. 2019 Dec;266(12):3108-3118. doi: 10.1007/s00415-019-09540-5. Epub 2019 Sep 18. (BSIT)
• Sobhani S, Rahmani F, Aarabi MH, Sadr AV. Exploring white matter microstructure and olfaction dysfunction in early parkinson disease: diffusion MRI reveals new insight. Brain Imaging Behav. 2019 Feb;13(1):210-219. doi: 10.1007/s11682-017-9781-0. PMID: 29134611.
• Mertens AT, Santo JB, Markopoulou K, Chase BA. Cognitive processes that indirectly affect olfactory dysfunction in Parkinson’s disease. Clin Park Relat Disord. 2019 Jul 20;1:13-20. doi: 10.1016/j.prdoa.2019.07.003. PMID: 34316593; PMCID: PMC8288748. (UPSIT)
• Lopez FV, Rohl BY, Wagle-Shukla A, Bowers D. Sniffing Out Cognitive Decline in Patients with and without Evidence of Dopaminergic Deficit. Clin Park Relat Disord. 2019;1:77-81. doi: 10.1016/j.prdoa.2019.09.002. Epub 2019 Oct 17. PMID: 33969286; PMCID: PMC8104433. (UPSIT)

• Lewis MM, Harkins E, Lee E, Stetter C, Snyder B. et al. Clinical Progression of Parkinson’s Disease: Insights from the NINDS Common Data Elements. J Parkinsons Dis. 2020;10(3):1075-1085. (UPSIT)
• Vilas D, Tolosa E, Quintana M, Pont-Sunyer C, Santos M, et al. Olfaction in LRRK2 Linked Parkinson’s Disease: Is It Different from Idiopathic Parkinson’s Disease? J Parkinsons Dis. 2020;10(3):951-958. (UPSIT)
• Auger SD, Kanavou S, Lawton M, Ben-Shlomo Y, Hu MT, Schrag AE, Morris HR, Grosset DG, Noyce AJ. Testing Shortened Versions of Smell Tests to Screen for Hyposmia in Parkinson’s Disease. Mov Disord Clin Pract. 2020 Mar 21;7(4):394-398. (UPSIT)
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• La Torre G, Herman AM, Jessop M, Abdula N, Crawshaw A, Begley P, Wroe E, Saha RA, Duka T, Dizdarevic S. 123I-Ioflupane dopamine transporter imaging (DaTSCAN) appearances in relation to emotional responsiveness, impulsivity and olfaction in suspected Parkinsonian syndrome. Nucl Med Commun. 2020 Aug 20. (UPSIT)
• Cao Z, Luo Z, Huang X, Pinto JM, Simonsick EM, Shiroma EJ, Chen H. Self-Reported Versus Objectively Assessed Olfaction and Parkinson’s Disease Risk. J Parkinsons Dis. 2020 Sep 9. (BSIT)
• Chang TY, Chen YH, Chang MH, Lin CH. Is there a close association of depression with either constipation or dysosmia in Parkinson’s disease? Sci Rep. 2020 Sep 23;10(1):15476. (UPSIT)

• Alonso CCG, Silva FG, Costa LOP, Freitas SMSF. Smell tests to distinguish Parkinson’s disease from other neurological disorders: a systematic review and meta-analysis. Expert Rev Neurother. 2021 Feb 5. (UPSIT)
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• Kola S, Prichard DO, Bharucha AE, Hassan A. A prospective pilot study of the effects of deep brain stimulation on olfaction and constipation in Parkinson’s disease. Clin Neurol Neurosurg. 2021 Aug;207:106774. (UPSIT)
• Sánchez-Rodríguez A, Martínez-Rodríguez I, Sánchez-Juan P, Sierra M, González-Aramburu I, et al. Serial DaT-SPECT imaging in asymptomatic carriers of LRRK2 G2019S mutation: 8-years follow-up. Eur J Neurol. 2021 Aug 18. (UPSIT)
• Fang TC, Chang MH, Yang CP, Chen YH, Lin CH. The Association of Olfactory Dysfunction With Depression, Cognition, and Disease Severity in Parkinson’s Disease. Front Neurol. 2021 Nov 22;12:779712. doi: 10.3389/fneur.2021.779712. PMID: 34880827; PMCID: PMC8645582.
• Bestwick JP, Auger SD, Schrag AE, Grosset DG, Kanavou S, Giovannoni G, Lees AJ, Cuzick J, Noyce AJ. Optimising classification of Parkinson’s disease based on motor, olfactory, neuropsychiatric and sleep features. NPJ Parkinsons Dis. 2021 Sep 24;7(1):87. doi: 10.1038/s41531-021-00226-2. PMID: 34561458; PMCID: PMC8463675.
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• Gonçalves AR, Mendes A, Vila-Chã N, Damásio J, Fernandes J, Cavaco SM. Past appendectomy may be related to early cognitive dysfunction in Parkinson’s disease. Neurol Sci. 2021 Jan;42(1):123-130. doi: 10.1007/s10072-020-04507-1. Epub 2020 Jun 11. PMID: 32529319. (BSIT)
• Barrett MJ, Murphy JM, Zhang J, Blair JC, Flanigan JL, Nawaz H, Dalrymple WA, Sperling SA, Patrie J, Druzgal TJ. Olfaction, cholinergic basal forebrain degeneration, and cognition in early Parkinson disease. Parkinsonism Relat Disord. 2021 Sep;90:27-32. doi: 10.1016/j.parkreldis.2021.07.024. Epub 2021 Jul 27. PMID: 34348192. (UPSIT)

2022

• Bailey M, Anderson S, Stebbins G, Barnes L, Shulman LM, Tartakovsky J, Hall DA. Comparison of motor, non-motor, and quality of life phenotype in Black and White patients with Parkinson’s disease. Parkinsonism Relat Disord. 2022 Jan 22;96:18-21. doi: 10.1016/j.parkreldis.2022.01.018. Epub ahead of print. PMID: 35123318. (UPSIT)
• Nabizadeh F, Pirahesh K, Khalili E. Olfactory dysfunction is associated with motor function only in tremor-dominant Parkinson’s disease. Neurol Sci. 2022 Feb 15. doi: 10.1007/s10072-022-05952-w. Epub ahead of print. PMID: 35166976.
• Roos DS, Klein M, Deeg DJH, Doty RL, Berendse HW. Prevalence of Prodromal Symptoms of Parkinson’s Disease in the Late Middle-Aged Population. J Parkinsons Dis. 2022;12(3):967-974. doi: 10.3233/JPD-213007. PMID: 35180132. (UPSIT)
• Nabizadeh F, Sodeifian F, Pirahesh K. Olfactory dysfunction and striatal dopamine transporter binding in motor subtypes of Parkinson’s disease. Neurol Sci. 2022 May 4. doi: 10.1007/s10072-022-06110-y. Epub ahead of print. PMID: 35508569. (UPSIT)
• Sarica A, Quattrone A, Quattrone A. Explainable machine learning with pairwise interactions for the classification of Parkinson’s disease and SWEDD from clinical and imaging features. Brain Imaging Behav. 2022 May 26. doi: 10.1007/s11682-022-00688-9. Epub ahead of print. PMID: 35614327. (UPSIT)
• Mehanna R, Chandra S, Furr-Stimming E, Schiess M. Olfactory hallucinations as a non-motor sign of Parkinson’s disease – A cross sectional study amongst patients in a tertiary movement disorder center. Parkinsonism Relat Disord. 2022 Jun;99:30-32. doi: 10.1016/j.parkreldis.2022.05.005. Epub 2022 May 12. PMID: 35588588. (UPSIT)
• Vaswani PA, Morley JF, Jennings D, Siderowf A, Marek K; and the PARS investigators. Serial olfactory testing for the diagnosis of prodromal Parkinson’s disease in the PARS study. Parkinsonism Relat Disord. 2022 Sep 17;104:15-20. doi: 10.1016/j.parkreldis.2022.09.007. Epub ahead of print. PMID: 36194902. (UPSIT)
• Becker-Cohen M, Zimran A, Dinur T, Tiomkin M, Cozma C, Rolfs A, Arkadir D, Shulman E, Manor O, Paltiel O, Yahalom G, Berg D, Revel-Vilk S. A Comprehensive Assessment of Qualitative and Quantitative Prodromal Parkinsonian Features in Carriers of Gaucher Disease-Identifying Those at the Greatest Risk. Int J Mol Sci. 2022 Oct 13;23(20):12211. doi: 10.3390/ijms232012211. PMID: 36293067; PMCID: PMC9603254. (B-SIT)
• Lin CY, Chang TY, Chang MH. Dysosmia Is a Predictor of Motor Function and Quality of Life in Patients with Parkinson’s Disease. J Pers Med. 2022 May 6;12(5):754. doi: 10.3390/jpm12050754. PMID: 35629176; PMCID: PMC9143120. (UPSIT-Chinese)
• Fan W, Li H, Li H, Li Y, Wang J, Jia X, Yang Q. Association between Functional Connectivity of Entorhinal Cortex and Olfactory Performance in Parkinson’s Disease. Brain Sci. 2022 Jul 22;12(8):963. doi: 10.3390/brainsci12080963. PMID: 35892404; PMCID: PMC9331656. (UPSIT)
• Aamodt WW, Dubroff JG, Cheng G, Taylor B, Wood S, Duda JE, Morley JF. Gait abnormalities and non-motor symptoms predict abnormal dopaminergic imaging in presumed drug-induced Parkinsonism. NPJ Parkinsons Dis. 2022 Apr 28;8(1):53. doi: 10.1038/s41531-022-00309-8. PMID: 35484281; PMCID: PMC9051164. (UPSIT)
• Martinez-Nunez AE, Latack K, Situ-Kcomt M, Mahajan A. Olfaction and apathy in early idiopathic Parkinson’s disease. J Neurol Sci. 2022 Aug 15;439:120314. doi: 10.1016/j.jns.2022.120314. Epub 2022 Jun 3. PMID: 35679630. (UPSIT)
• Saunders-Pullman R, Ortega RA, Wang C, Raymond D, Elango S, Leaver K, Urval N, Katsnelson V, Gerber R, Swan M, Shanker V, Alcalay RN, Mirelman A, Brumm MC, Mejia-Santana H, Coffey CS, Marek K, Ozelius LJ, Giladi N, Marder KS, Bressman SB. Association of Olfactory Performance With Motor Decline and Age at Onset in People With Parkinson Disease and the LRRK2 G2019S Variant. Neurology. 2022 Aug 23;99(8):e814-e823. doi: 10.1212/WNL.0000000000200737. Epub 2022 Jun 3. PMID: 35995594; PMCID: PMC9484727. (UPSIT)
• Hasan S, Adler CH, Zhang N, Serrano GE, Sue LI, Shill HA, Mehta SH, Beach TG, Driver-Dunckley ED. Olfactory Dysfunction in Incidental Lewy Body Disease and Parkinson’s Disease: An Update. Innov Clin Neurosci. 2022 Oct-Dec;19(10-12):19-23. PMID: 36591548; PMCID: PMC9776774. (UPSIT)

2023

• Stewart CB, Ledingham D, Foster VK, Anderson KN, Sathyanarayana S, Galley D, Pavese N, Pasquini J. The longitudinal progression of autonomic dysfunction in Parkinson’s disease: A 7-year study. Front Neurol. 2023 Apr 12;14:1155669. doi: 10.3389/fneur.2023.1155669. PMID: 37122303; PMCID: PMC10130433. (UPSIT)
• Solla P, Wang Q, Frau C, Floris V, Loy F, Sechi LA, Masala C. Olfactory Impairment Is the Main Predictor of Higher Scores at REM Sleep Behavior Disorder (RBD) Screening Questionnaire in Parkinson’s Disease Patients. Brain Sci. 2023 Mar 31;13(4):599. doi: 10.3390/brainsci13040599. PMID: 37190564; PMCID: PMC10137056. (UPSIT)
• Vaswani PA, Morley JF, Jennings D, Siderowf A, Marek K; PARS Investigators. Predictive value of abbreviated olfactory tests in prodromal Parkinson disease. NPJ Parkinsons Dis. 2023 Jun 29;9(1):103. doi: 10.1038/s41531-023-00530-z. PMID: 37386033; PMCID: PMC10310835. (UPSIT)
• Yacoubian TA, Fang YD, Gerstenecker A, Amara A, Stover N, Ruffrage L, Collette C, Kennedy R, Zhang Y, Hong H, Qin H, McConathy J, Benveniste EN, Standaert DG. Brain and Systemic Inflammation in De Novo Parkinson’s Disease. Mov Disord. 2023 May;38(5):743-754. doi: 10.1002/mds.29363. Epub 2023 Feb 28. PMID: 36853618. (UPSIT)
• Pimer LJ, Leslie RA, Phillips G, Newman AJ, Rusak B, Rolheiser TM, Schoffer K, Khan MN, McKelvey JR, Robertson HA, Good KP. Aberrant corticospinal tract characteristics in prodromal PD: A diffusion tensor imaging study. Clin Park Relat Disord. 2022 Dec 19;8:100182. doi: 10.1016/j.prdoa.2022.100182. PMID: 36632053; PMCID: PMC9827373. (UPSIT)
• Fang TC, Tsai YS, Chang MH. Sequential change in olfaction and (non) motor symptoms: the difference between anosmia and non-anosmia in Parkinson’s disease. Front Aging Neurosci. 2023 Jul 18;15:1213977. doi: 10.3389/fnagi.2023.1213977. PMID: 37533763; PMCID: PMC10390767. (UPSIT)
• Hasíková L, Závada J, Serranová T, Kozlík P, Kalíková K, Kotačková L, Trnka J, Zogala D, Šonka K, Růžička E, Dušek P. Serum but not cerebrospinal fluid levels of allantoin are increased in de novo Parkinson’s disease. NPJ Parkinsons Dis. 2023 Apr 12;9(1):60. doi: 10.1038/s41531-023-00505-0. PMID: 37045835; PMCID: PMC10097817. (UPSIT)
• Hosseini M, Borhani-Haghighi A, Petramfar P, Foroughi AA, Ostovan VR, Nami M. Evaluating cognitive impairment in the early stages of Parkinson’s disease using the Cambridge brain sciences-cognitive platform. Clin Neurol Neurosurg. 2023 Jun 29;232:107866. doi: 10.1016/j.clineuro.2023.107866. Epub ahead of print. PMID: 37413872. (QST)
• Cao Z, Hernandez DG, Li C, Berghausen J, Luo Z, Iwaki H, D’Aloisio AA, Huang X, Pinto JM, Sandler DP, Singleton AB, Chen H. Polygenic risk score for Parkinson’s disease and olfaction among middle-aged to older women. Parkinsonism Relat Disord. 2023 Aug 17;115:105815. doi: 10.1016/j.parkreldis.2023.105815. Epub ahead of print. PMID: 37611509. (BSIT)
• Li KY, Pickett KA, Fu HW, Chen RS. Proprioceptive and olfactory deficits in individuals with Parkinson disease and mild cognitive impairment. Acta Neurol Belg. 2023 Nov 14. doi: 10.1007/s13760-023-02420-w. Epub ahead of print. PMID: 37962784. (UPSIT, STT)
• Ryu DW, Yoo SW, Choi KE, Oh YS, Kim JS. Correlation of olfactory function factors with cardiac sympathetic denervation in Parkinson’s disease. J Neurol. 2023 Nov 9. doi: 10.1007/s00415-023-12080-8. Epub ahead of print. PMID: 37940708. (CC-SIT)
• Lin YH, Fang TC, Lei HB, Chiu SC, Chang MH, Guo YJ. UPSIT subitems may predict motor progression in Parkinson’s disease. Front Neurol. 2023 Oct 23;14:1265549. doi: 10.3389/fneur.2023.1265549. PMID: 37936914; PMCID: PMC10625917. (UPSIT)
• Toffoli M, Chohan H, Mullin S, Jesuthasan A, Yalkic S, Koletsi S, Menozzi E, Rahall S, Limbachiya N, Loefflad N, Higgins A, Bestwick J, Lucas-Del-Pozo S, Fierli F, Farbos A, Mezabrovschi R, Lee-Yin C, Schrag A, Moreno-Martinez D, Hughes D, Noyce A, Colclough K, Jeffries AR, Proukakis C, Schapira AHV. Phenotypic effect of GBA1 variants in individuals with and without Parkinson’s disease: The RAPSODI study. Neurobiol Dis. 2023 Nov;188:106343. doi: 10.1016/j.nbd.2023.106343. Epub 2023 Nov 3. PMID: 37926171. (UPSIT)
• Kim S, Choi JH, Woo KA, Joo JY, Jeon B, Lee JY. Clinical correlates of pareidolias and color discrimination deficits in idiopathic REM sleep behavior disorder and Parkinson’s disease. J Neural Transm (Vienna). 2023 Dec 18. doi: 10.1007/s00702-023-02724-4. Epub ahead of print. PMID: 38110521. (CC-SIT)

2024

• Kawabata K, Bagarinao E, Seppi K, Poewe W. Longitudinal brain changes in Parkinson’s disease with severe olfactory deficit. Parkinsonism Relat Disord. 2024 Feb 27;122:106072. doi: 10.1016/j.parkreldis.2024.106072. Epub ahead of print. PMID: 38430690. (UPSIT)
• Chiu SC, Fang TC, Lei HB, Lin YH, Chang MH, Guo YJ. The greatest loss of unpleasant smells may be related to the risk of more severe PD symptoms. Front Neurol. 2024 Apr 2;15:1362763. doi: 10.3389/fneur.2024.1362763. PMID: 38628698; PMCID: PMC11018954. (UPSIT-TC)
• Yoon SH, You DH, Na HK, Kang S, Baik K, Park M, Lyoo CH, Sohn YH, Lee PH. Parkinson’s disease with hyposmia and dysautonomia: does it represent a distinct subtype? J Neurol. 2024 May 28. doi: 10.1007/s00415-024-12332-1. Epub ahead of print. PMID: 38806701. (CC-SIT)
• Ye M, Ji Q, Liu Q, Xu Y, Tao E, Zhan Y. Olfactory dysfunction and long-term trajectories of sleep disorders among early Parkinson’s disease: findings from a longitudinal cohort. Neuroepidemiology. 2024 May 20. doi: 10.1159/000539330. Epub ahead of print. PMID: 38768570. (UPSIT)
• Dang THT, Tran TN, Xing F, Ha ULN, Vo KCN, Nguyen TV, Nguyen KV, Le HT, Truong D. Diagnostic value of vietnamese smell identification test in Parkinson’s disease. J Neurol Sci. 2024 Apr 15;459:122958. doi: 10.1016/j.jns.2024.122958. Epub 2024 Mar 12. PMID: 38522243. (BSIT)
• Lin CY, Tsai YS, Chang MH. Impact of olfactory function on the trajectory of cognition, motor function, and quality of life in Parkinson’s disease. Front Aging Neurosci. 2024 Mar 4;16:1329551. doi: 10.3389/fnagi.2024.1329551. PMID: 38501060; PMCID: PMC10944858. (UPSIT)
• Tremblay C, Aslam S, Walker JE, Lorenzini I, Intorcia AJ, Arce RA, Choudhury P, Adler CH, Shill HA, Driver-Dunckley E, Mehta S, Piras IS, Belden CM, Atri A, Beach TG, Serrano GE. RNA sequencing of olfactory bulb in Parkinson’s disease reveals gene alterations associated with olfactory dysfunction. Neurobiol Dis. 2024 Jun 15;196:106514. doi: 10.1016/j.nbd.2024.106514. Epub 2024 Apr 24. PMID: 38663633; PMCID: PMC11132317. (UPSIT)
• Liu P, Chen L, He X, Mao L. Predictors of the rapid progression in prodromal Parkinson’s disease: a longitudinal follow-up study. Gerontology. 2024 Apr 2. doi: 10.1159/000538515. Epub ahead of print. PMID: 38565088. (UPSIT)
• Young VM, Bernal R, Pollet E, Serrano-Rubio L, Gaona C, Himali JJ, Seshadri S, González DA, Gonzales MM. Deep Sleep, Olfactory Loss, and Cognition in Early-stage Parkinson’s Disease: Pilot Study Results. Gerontol Geriatr Med. 2024 Jun 24;10:23337214241262925. doi: 10.1177/23337214241262925. PMID: 39045212; PMCID: PMC11265233. (BSIT)
• Cieri F, Giriprakash PP, Nandy R, Zhuang X, Doty RL, Caldwell JZK, Cordes D. Functional connectivity differences of the olfactory network in Parkinson’s Disease, mild cognitive impairment and cognitively normal individuals: A resting-state fMRI study. Neuroscience. 2024 Aug 22;559:8-16. doi: 10.1016/j.neuroscience.2024.08.031. Epub ahead of print. PMID: 39179019. (BSIT)
• Huyen Thi Dang T, Truong D, Vinh Nguyen K, Le Ngoc Ha U, Chung Ngoc Vo K, Vinh Nguyen T, Thi Le H, Ngoc Tran T. Comparing smell identification ability among different motor subtypes of Parkinson’s disease using the Vietnamese Smell Identification Test and the Brief Smell Identification Test. Clin Park Relat Disord. 2024 Sep 12;11:100270. doi: 10.1016/j.prdoa.2024.100270. PMID: 39318472; PMCID: PMC11420436. (BSIT)