CTH120 First-in-Human Study: Single and Multiple Ascending Doses and Potential Food Interaction

Summary

The purpose of this First-in-Human Phase I study is to investigate the safety, tolerability and pharmacokinetics of CTH120 in adult healthy volunteers.

Timeline

Start

2023-06-23

Primary completion

2024-11-11

Completion

2024-11-11

Publications

• Background Myrick LK, Nakamoto-Kinoshita M, Lindor NM, Kirmani S, Cheng X, Warren ST. Fragile X syndrome due to a missense mutation. Eur J Hum Genet. 2014 Oct;22(10):1185-9. doi: 10.1038/ejhg.2013.311. Epub 2014 Jan 22.
• Background Quartier A, Poquet H, Gilbert-Dussardier B, Rossi M, Casteleyn AS, Portes VD, Feger C, Nourisson E, Kuentz P, Redin C, Thevenon J, Mosca-Boidron AL, Callier P, Muller J, Lesca G, Huet F, Geoffroy V, El Chehadeh S, Jung M, Trojak B, Le Gras S, Lehalle D, Jost B, Maury S, Masurel A, Edery P, Thauvin-Robinet C, Gerard B, Mandel JL, Faivre L, Piton A. Intragenic FMR1 disease-causing variants: a significant mutational mechanism leading to Fragile-X syndrome. Eur J Hum Genet. 2017 Apr;25(4):423-431. doi: 10.1038/ejhg.2016.204. Epub 2017 Feb 8.
• Background Hagerman RJ, Berry-Kravis E, Hazlett HC, Bailey DB Jr, Moine H, Kooy RF, Tassone F, Gantois I, Sonenberg N, Mandel JL, Hagerman PJ. Fragile X syndrome. Nat Rev Dis Primers. 2017 Sep 29;3:17065. doi: 10.1038/nrdp.2017.65.
• Background Wang LW, Berry-Kravis E, Hagerman RJ. Fragile X: leading the way for targeted treatments in autism. Neurotherapeutics. 2010 Jul;7(3):264-74. doi: 10.1016/j.nurt.2010.05.005.
• Background Grigsby J. The fragile X mental retardation 1 gene (FMR1): historical perspective, phenotypes, mechanism, pathology, and epidemiology. Clin Neuropsychol. 2016 Aug;30(6):815-33. doi: 10.1080/13854046.2016.1184652. Epub 2016 Jun 29.
• Background Banerjee A, Ifrim MF, Valdez AN, Raj N, Bassell GJ. Aberrant RNA translation in fragile X syndrome: From FMRP mechanisms to emerging therapeutic strategies. Brain Res. 2018 Aug 15;1693(Pt A):24-36. doi: 10.1016/j.brainres.2018.04.008. Epub 2018 Apr 10.
• Background Bakker CE, Oostra BA. Understanding fragile X syndrome: insights from animal models. Cytogenet Genome Res. 2003;100(1-4):111-23. doi: 10.1159/000072845.
• Background Darnell JC, Klann E. The translation of translational control by FMRP: therapeutic targets for FXS. Nat Neurosci. 2013 Nov;16(11):1530-6. doi: 10.1038/nn.3379. Epub 2013 Apr 14.
• Background Richter JD, Bassell GJ, Klann E. Dysregulation and restoration of translational homeostasis in fragile X syndrome. Nat Rev Neurosci. 2015 Oct;16(10):595-605. doi: 10.1038/nrn4001. Epub 2015 Sep 9.
• Background Gholizadeh S, Halder SK, Hampson DR. Expression of fragile X mental retardation protein in neurons and glia of the developing and adult mouse brain. Brain Res. 2015 Jan 30;1596:22-30. doi: 10.1016/j.brainres.2014.11.023. Epub 2014 Nov 20.
• Background Feng Y, Gutekunst CA, Eberhart DE, Yi H, Warren ST, Hersch SM. Fragile X mental retardation protein: nucleocytoplasmic shuttling and association with somatodendritic ribosomes. J Neurosci. 1997 Mar 1;17(5):1539-47. doi: 10.1523/JNEUROSCI.17-05-01539.1997.
• Background Hanson AC, Hagerman RJ. Serotonin dysregulation in Fragile X Syndrome: implications for treatment. Intractable Rare Dis Res. 2014 Nov;3(4):110-7. doi: 10.5582/irdr.2014.01027.
• Background Boccuto L, Chen CF, Pittman AR, Skinner CD, McCartney HJ, Jones K, Bochner BR, Stevenson RE, Schwartz CE. Decreased tryptophan metabolism in patients with autism spectrum disorders. Mol Autism. 2013 Jun 3;4(1):16. doi: 10.1186/2040-2392-4-16.
• Background Chandana SR, Behen ME, Juhasz C, Muzik O, Rothermel RD, Mangner TJ, Chakraborty PK, Chugani HT, Chugani DC. Significance of abnormalities in developmental trajectory and asymmetry of cortical serotonin synthesis in autism. Int J Dev Neurosci. 2005 Apr-May;23(2-3):171-82. doi: 10.1016/j.ijdevneu.2004.08.002.
• Background Wang H, Wu LJ, Kim SS, Lee FJ, Gong B, Toyoda H, Ren M, Shang YZ, Xu H, Liu F, Zhao MG, Zhuo M. FMRP acts as a key messenger for dopamine modulation in the forebrain. Neuron. 2008 Aug 28;59(4):634-47. doi: 10.1016/j.neuron.2008.06.027.
• Background Gkogkas CG, Khoutorsky A, Cao R, Jafarnejad SM, Prager-Khoutorsky M, Giannakas N, Kaminari A, Fragkouli A, Nader K, Price TJ, Konicek BW, Graff JR, Tzinia AK, Lacaille JC, Sonenberg N. Pharmacogenetic inhibition of eIF4E-dependent Mmp9 mRNA translation reverses fragile X syndrome-like phenotypes. Cell Rep. 2014 Dec 11;9(5):1742-1755. doi: 10.1016/j.celrep.2014.10.064. Epub 2014 Nov 26.
• Background Wahlstrom-Helgren S, Klyachko VA. GABAB receptor-mediated feed-forward circuit dysfunction in the mouse model of fragile X syndrome. J Physiol. 2015 Nov 15;593(22):5009-24. doi: 10.1113/JP271190. Epub 2015 Oct 2.
• Background Kashima R, Roy S, Ascano M, Martinez-Cerdeno V, Ariza-Torres J, Kim S, Louie J, Lu Y, Leyton P, Bloch KD, Kornberg TB, Hagerman PJ, Hagerman R, Lagna G, Hata A. Augmented noncanonical BMP type II receptor signaling mediates the synaptic abnormality of fragile X syndrome. Sci Signal. 2016 Jun 7;9(431):ra58. doi: 10.1126/scisignal.aaf6060.
• Background Sidhu H, Dansie LE, Hickmott PW, Ethell DW, Ethell IM. Genetic removal of matrix metalloproteinase 9 rescues the symptoms of fragile X syndrome in a mouse model. J Neurosci. 2014 Jul 23;34(30):9867-79. doi: 10.1523/JNEUROSCI.1162-14.2014.
• Background Pasciuto E, Ahmed T, Wahle T, Gardoni F, D'Andrea L, Pacini L, Jacquemont S, Tassone F, Balschun D, Dotti CG, Callaerts-Vegh Z, D'Hooge R, Muller UC, Di Luca M, De Strooper B, Bagni C. Dysregulated ADAM10-Mediated Processing of APP during a Critical Time Window Leads to Synaptic Deficits in Fragile X Syndrome. Neuron. 2015 Jul 15;87(2):382-98. doi: 10.1016/j.neuron.2015.06.032.
• Background Danesi C, Achuta VS, Corcoran P, Peteri UK, Turconi G, Matsui N, Albayrak I, Rezov V, Isaksson A, Castren ML. Increased Calcium Influx through L-type Calcium Channels in Human and Mouse Neural Progenitors Lacking Fragile X Mental Retardation Protein. Stem Cell Reports. 2018 Dec 11;11(6):1449-1461. doi: 10.1016/j.stemcr.2018.11.003. Epub 2018 Nov 29.
• Background Pilaz LJ, Lennox AL, Rouanet JP, Silver DL. Dynamic mRNA Transport and Local Translation in Radial Glial Progenitors of the Developing Brain. Curr Biol. 2016 Dec 19;26(24):3383-3392. doi: 10.1016/j.cub.2016.10.040. Epub 2016 Dec 1.
• Background Bailey DB Jr, Raspa M, Olmsted M, Holiday DB. Co-occurring conditions associated with FMR1 gene variations: findings from a national parent survey. Am J Med Genet A. 2008 Aug 15;146A(16):2060-9. doi: 10.1002/ajmg.a.32439.
• Background Berry-Kravis E, Raspa M, Loggin-Hester L, Bishop E, Holiday D, Bailey DB. Seizures in fragile X syndrome: characteristics and comorbid diagnoses. Am J Intellect Dev Disabil. 2010 Nov;115(6):461-72. doi: 10.1352/1944-7558-115.6.461.
• Background McLennan Y, Polussa J, Tassone F, Hagerman R. Fragile x syndrome. Curr Genomics. 2011 May;12(3):216-24. doi: 10.2174/138920211795677886.
• Background Sauna-Aho O, Bjelogrlic-Laakso N, Siren A, Arvio M. Signs indicating dementia in Down, Williams and Fragile X syndromes. Mol Genet Genomic Med. 2018 Sep;6(5):855-860. doi: 10.1002/mgg3.430. Epub 2018 Jul 3.
• Background Bartholomay KL, Lee CH, Bruno JL, Lightbody AA, Reiss AL. Closing the Gender Gap in Fragile X Syndrome: Review on Females with FXS and Preliminary Research Findings. Brain Sci. 2019 Jan 12;9(1):11. doi: 10.3390/brainsci9010011.
• Background Cordeiro L, Ballinger E, Hagerman R, Hessl D. Clinical assessment of DSM-IV anxiety disorders in fragile X syndrome: prevalence and characterization. J Neurodev Disord. 2011 Mar;3(1):57-67. doi: 10.1007/s11689-010-9067-y. Epub 2010 Dec 3.
• Background Utari A, Adams E, Berry-Kravis E, Chavez A, Scaggs F, Ngotran L, Boyd A, Hessl D, Gane LW, Tassone F, Tartaglia N, Leehey MA, Hagerman RJ. Aging in fragile X syndrome. J Neurodev Disord. 2010 Jun;2(2):70-76. doi: 10.1007/s11689-010-9047-2. Epub 2010 May 12.
• Background Tassone F. Advanced technologies for the molecular diagnosis of fragile X syndrome. Expert Rev Mol Diagn. 2015;15(11):1465-73. doi: 10.1586/14737159.2015.1101348. Epub 2015 Oct 21.
• Background Rajan-Babu IS, Chong SS. Molecular Correlates and Recent Advancements in the Diagnosis and Screening of FMR1-Related Disorders. Genes (Basel). 2016 Oct 14;7(10):87. doi: 10.3390/genes7100087.
• Background Kidd SA, Lachiewicz A, Barbouth D, Blitz RK, Delahunty C, McBrien D, Visootsak J, Berry-Kravis E. Fragile X syndrome: a review of associated medical problems. Pediatrics. 2014 Nov;134(5):995-1005. doi: 10.1542/peds.2013-4301. Epub 2014 Oct 6.
• Background Crawford DC, Acuna JM, Sherman SL. FMR1 and the fragile X syndrome: human genome epidemiology review. Genet Med. 2001 Sep-Oct;3(5):359-71. doi: 10.1097/00125817-200109000-00006.
• Background Tassone F, Iong KP, Tong TH, Lo J, Gane LW, Berry-Kravis E, Nguyen D, Mu LY, Laffin J, Bailey DB, Hagerman RJ. FMR1 CGG allele size and prevalence ascertained through newborn screening in the United States. Genome Med. 2012 Dec 21;4(12):100. doi: 10.1186/gm401. eCollection 2012.
• Background Hunter J, Rivero-Arias O, Angelov A, Kim E, Fotheringham I, Leal J. Epidemiology of fragile X syndrome: a systematic review and meta-analysis. Am J Med Genet A. 2014 Jul;164A(7):1648-58. doi: 10.1002/ajmg.a.36511. Epub 2014 Apr 3.
• Background Coffee B, Keith K, Albizua I, Malone T, Mowrey J, Sherman SL, Warren ST. Incidence of fragile X syndrome by newborn screening for methylated FMR1 DNA. Am J Hum Genet. 2009 Oct;85(4):503-14. doi: 10.1016/j.ajhg.2009.09.007.
• Background Sibille M, Patat A, Caplain H, Donazzolo Y. A safety grading scale to support dose escalation and define stopping rules for healthy subject first-entry-into-man studies: some points to consider from the French Club Phase I working group. Br J Clin Pharmacol. 2010 Nov;70(5):736-48. doi: 10.1111/j.1365-2125.2010.03741.x.
• Background Zigmond AS, Snaith RP. The hospital anxiety and depression scale. Acta Psychiatr Scand. 1983 Jun;67(6):361-70. doi: 10.1111/j.1600-0447.1983.tb09716.x.
• Background Herrero MJ, Blanch J, Peri JM, De Pablo J, Pintor L, Bulbena A. A validation study of the hospital anxiety and depression scale (HADS) in a Spanish population. Gen Hosp Psychiatry. 2003 Jul-Aug;25(4):277-83. doi: 10.1016/s0163-8343(03)00043-4.
• Background Nahum M, Van Vleet TM, Sohal VS, Mirzabekov JJ, Rao VR, Wallace DL, Lee MB, Dawes H, Stark-Inbar A, Jordan JT, Biagianti B, Merzenich M, Chang EF. Immediate Mood Scaler: Tracking Symptoms of Depression and Anxiety Using a Novel Mobile Mood Scale. JMIR Mhealth Uhealth. 2017 Apr 12;5(4):e44. doi: 10.2196/mhealth.6544.

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Indications