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List of Chronobiotics



Name SMILES FDA Status Effects Targets Mechanisms Articles
CC1=[N+](C2=CC=CC=C2C(=C1)N)CCCCCCCCCC[N+]3=C(C=C(C4=CC=CC=C43)N)C.[Cl-].[Cl-] Approved Modulation of circadian gene expression in human U2OS cells CLOCK-BMAL1 Bmal1, BMAL1 expression modulation Tamai, T.K., Nakane, Y., Ota, W., Kobayashi, A., Ishiguro, M., Kadofusa, N., Ikegami, K., Yagita, K., Shigeyoshi, Y., Sudo, M. and Nishiwaki‐Ohkawa, T., 2018. Identification of circadian clock modulators from existing drugs. EMBO molecular medicine, 10(5), p.e8724.
ClC=1C=C(C=CC1Cl)N1C(NC2=C(C1=O)C=NN2C2=CC=CC=C2)=O none reduces the levels of PRR7 protein in Arabidopsis CCA1 PRR Uehara, T.N., Takao, S., Matsuo, H., Saito, A.N., Ota, E., Ono, A., Itami, K., Kinoshita, T., Yamashino, T., Yamaguchi, J. and Nakamichi, N., 2023. A Small-Molecule Modulator Affecting the Clock-Associated PSEUDO-RESPONSE REGULATOR 7 Amount. Plant And Cell Physiology, 64(11), pp.1397-1406.
CN1CCN(CC1)C2=NC3=C(C=CC(=C3)Cl)NC4=CC=CC=C42 Approved restores normal circadian rhythms 5-HT7 5-HT7 binding Wirz-Justice, A., Werth, E., Savaskan, E., Knoblauch, V., Gasio, P.F. and Müller-Spahn, F., 2000. Haloperidol disrupts, clozapine reinstates the circadian rest–activity cycle in a patient with early-onset Alzheimer disease. Alzheimer Disease & Associated Disorders, 14(4), pp.212-215.
CC(C1=CC=CC=C1)(C2=CC=CC=N2)OCCN(C)C.C(CC(=O)O)C(=O)O Approved effects on the circadian rhythm, also known as the body's natural sleep-wake cycle, are primarily related to its drowsiness and sedation properties Histamine 1 receptor Histamine 1 blocker Ward, L.G., Bourjeily, G., Guthrie, K., Salmoirago-Blotcher, E., Sharp, M., Desmarattes, A. and Bublitz, M., 2024. Sleep Quality in High-Risk Pregnancies: Mixed Methods Results from a Randomized Controlled Trial of a Mindfulness Training Intervention. Journal of Integrative and Complementary Medicine, 30(10), pp.953-960.
CC(C)(C)OC(=O)CC1=CC(=C(C=C1CC2=CC(=C(C=C2[125I])OC)OC)OC)OC None MT2 antagonist; disrupts melatonin signaling (in human receptor models), Partial agonist MT2 and associated effects MT2 MT2 receptor ligand Legros, C., Brasseur, C., Delagrange, P., Ducrot, P., Nosjean, O. and Boutin, J.A., 2016. Alternative radioligands for investigating the molecular pharmacology of melatonin receptors. The Journal of Pharmacology and Experimental Therapeutics, 356(3), pp.681-692. , Legros, C., Matthey, U., Grelak, T., Pedragona-Moreau, S., Hassler, W., Yous, S., Thomas, E., Suzenet, F., Folleas, B., Lefoulon, F. and Berthelot, P., 2013. New radioligands for describing the molecular pharmacology of MT1 and MT2 melatonin receptors. International journal of molecular sciences, 14(5), pp.8948-8962.
(B. bifidum W23, B. lactis W51, B. lactis W52) and lactobacilli (L. acidophilus W22, L. casei W56, L. paracasei W20, L. plantarum W62, L. salivarius W24, L. lactis W19) Not approved restores normal circadian rhythms CLOCK-BMAL1 , Arntl (gene) , NPAS2 , BMAL1 expression (induction) , TIMELESS Core clock modulation, Bmal1, Activation of CLOCK/Bmal1 mediated transcription, Circadian Clock Impact, TIMELESS Kreuzer, K., Birkl-Toeglhofer, A.M., Haybaeck, J., Reiter, A., Dalkner, N., Fellendorf, F.T., Maget, A., Platzer, M., Seidl, M., Mendel, L.M. and Lenger, M., 2024. PROVIT-CLOCK: A Potential Influence of Probiotics and Vitamin B7 Add-On Treatment and Metabolites on Clock Gene Expression in Major Depression. Neuropsychobiology, 83(3-4), pp.135-151.
C1CN(CCC1(C2=CC=C(C=C2)Cl)O)CCCC(=O)C3=CC=C(C=C3)F Approved affect expression of PER1 and CRY1 genes in human glioblastoma cell line mPer1 , CRY1-PER2 complex , CRY1 , CRY1 PER gene exspression modulation, CRY gene expression modulation Mokros, Ł., Karbownik, M.S., Nowakowska-Domagała, K., Szemraj, J., Wieteska, Ł., Woźniak, K., Witusik, A., Antczak, A. and Pietras, T., 2016. Haloperidol, but not olanzapine, may affect expression of PER1 and CRY1 genes in human glioblastoma cell line. Biological Rhythm Research, 47(6), pp.865-871.
CN(C)CCOC(C1=CC=CC=C1)C2=CC=CC=C2 Approved NREM sleep promotion in humans Histamine 1 receptor Histamine 1 blocker Wang, Y.Q., Takata, Y., Li, R., Zhang, Z., Zhang, M.Q., Urade, Y., Qu, W.M. and Huang, Z.L., 2015. Doxepin and diphenhydramine increased non-rapid eye movement sleep through blockade of histamine H1 receptors. Pharmacology Biochemistry and Behavior, 129, pp.56-64. , Morioka, E., Kanda, Y., Koizumi, H., Miyamoto, T. and Ikeda, M., 2018. Histamine regulates molecular clock oscillations in human retinal pigment epithelial cells via H1 receptors. Frontiers in endocrinology, 9, p.108.
CCC1=NN2C=CC3=C(C2=C1CCNC(=O)C)CCO3 none Circadian phase entrainment via MT1/MT2 receptor agonism, Circadian phase modulation via MT1/MT2 agonism, Phase shifting in humans (via MT1/MT2 receptor activation), Phase shift induction in mammals via MT1/MT2 receptor agonism, sleep-promoting action in freely moving cats MT1 MT1 receptor binding, MT2 receptor ligand Koike, T., Takai, T., Hoashi, Y., Nakayama, M., Kosugi, Y., Nakashima, M., Yoshikubo, S.I., Hirai, K. and Uchikawa, O., 2011. Synthesis of a novel series of tricyclic dihydrofuran derivatives: discovery of 8, 9-dihydrofuro [3, 2-c] pyrazolo [1, 5-a] pyridines as melatonin receptor (MT1/MT2) ligands. Journal of medicinal chemistry, 54(12), pp.4207-4218.
C1CN(CCN1CCOCCO)C2=NC3=CC=CC=C3SC4=CC=CC=C42 Approved improves sleep in insomnia mPer2 , mPer1 , CLOCK-BMAL1 Core clock modulation, Bmal1 Caruso, V., Geoffroy, P.A., Alfì, G., Miniati, M., Riemann, D., Gemignani, A. and Palagini, L., 2024. Effects of Mood Stabilizers on Sleep and Circadian Rhythms: A Systematic Review. Current Sleep Medicine Reports, 10(3), pp.329-357. , Endicott, J., Paulsson, B., Gustafsson, U., Schiöler, H. and Hassan, M., 2008. Quetiapine monotherapy in the treatment of depressive episodes of bipolar I and II disorder: improvements in quality of life and quality of sleep. Journal of affective disorders, 111(2-3), pp.306-319.
C1C2=C(C3=C(C=CC=N3)NC1=O)NC4=C2C=C(C=C4) Br none Period shortening in mammalian cells GSK-3α/β Highly selective, ATP-competitive inhibition of GSK-3 (both α and β isoforms), GSK‑3 Inhibition, Selective GSK-3β Inhibition:, inhibits glycogen synthase kinase-3β (GSK-3β) Miller, S. and Hirota, T., 2020. Pharmacological interventions to circadian clocks and their molecular bases. Journal of molecular biology, 432(12), pp.3498-3514.
CN1C2=C(C=C(C=C2)Cl)C(=NC(C1=O)O)C3=CC=CC=C3 Approved Sleep induction and jet lag symptom relief in humans GABAA receptors GABAergic system influence Heel, C., Brogden, R.N., Speight, T.M. and Avery, G.S., 1981. Temazepam: a review of its pharmacological properties and therapeutic efficacy as an hypnotic. Drugs, 21, pp.321-340.
CC(C)C[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)O)NC(=O)[C@H](CCSC)NC=O Not approved chemotaxis stimulation, activates G protein-coupled receptors, specifically FPR1, actin polymerization, oxidative burst, Affects circadia nchemotaxis and phagocytosis, fMLP-mediated activation of human eosinophils is influenced by the circadian clock FPR1 , FPR2 FPR2 full agonist, FPR1 full agonist Baumann, A., Feilhauer, K., Bischoff, S.C., Froy, O. and Lorentz, A., 2015. IgE-dependent activation of human mast cells and fMLP-mediated activation of human eosinophils is controlled by the circadian clock. Molecular immunology, 64(1), pp.76-81.
C1OC2=C(O1)C=C(C=C2)C3=C(NC(=N3)C4=CC=C(C=C4)C(=O)N)C5=CC=CC=N5 none Phase shift via Dec1 induction in mammalian cells Dec1 gene expression Activation of activin receptor-like kinase (ALK), by an immediate-early induction of Dec1 Kon, N., Hirota, T., Kawamoto, T., Kato, Y., Tsubota, T. and Fukada, Y., 2008. Activation of TGF-β/activin signalling resets the circadian clock through rapid induction of Dec1 transcripts. Nature cell biology, 10(12), pp.1463-1469.
CC1=NC=C(N1CCO)[N+](=O)[O-] None Circadian disruption in skeletal muscle and pineal gland (in animals) Microbiota Melatonin synthesis alteration Manickam, R., Oh, H.Y.P., Tan, C.K., Paramalingam, E. and Wahli, W., 2018. Metronidazole causes skeletal muscle atrophy and modulates muscle chronometabolism. International journal of molecular sciences, 19(8), p.2418.
C1=CC(=C(C=C1F)F)C(CN2C=NC=N2)(CN3C=NC=N3)O Approved Discrupts temporal organization in Candida albicans Lanosterol 14-α-demethylase (fungal CYP51) Inhibits the fungal enzyme lanosterol 14-α-demethylase (CYP51) Nikolenko, M.V., TKh, T. and Paromova, Y.I., 2015. EFFECT OF FLUCONAZOLE ON TEMPORAL ORGANIZATION OF BIOLOGICAL PROPERTIES OF CANDIDA ALBICANS. Zhurnal Mikrobiologii, Epidemiologii i Immunobiologii, (4), pp.30-35.
CCCC(=O)NCCC1=C2C3=CC=CC=C3CCCN2C4=C1C=C(C=C4)OC none Phase shift disruption in mammals via MT1/MT2 receptor antagonism, MT2 antagonist; disrupts melatonin signaling (in human receptor models), Normalization of circadian rhythms in elderly, blind and people with social jet lag. Melatonin receptor , MT1 , MT2 MT1 antagonist, Melatonin receptor binding, antagonist of melatonin receptors, MT2 receptor antagonist, MT1 receptor binding, MT2 receptor ligand Faust, R., Garratt, P.J., Jones, R., Yeh, L.K., Tsotinis, A., Panoussopoulou, M., Calogeropoulou, T., Teh, M.T. and Sugden, D., 2000. Mapping the melatonin receptor. 6. Melatonin agonists and antagonists derived from 6 H-isoindolo [2, 1-a] indoles, 5, 6-dihydroindolo [2, 1-a] isoquinolines, and 6, 7-dihydro-5 H-benzo [c] azepino [2, 1-a] indoles. Journal of medicinal chemistry, 43(6), pp.1050-1061. , Sugden, D., Yeh, L.K. and Teh, M.T., 1999. Design of subtype selective melatonin receptor agonists and antagonists. Reproduction Nutrition Development, 39(3), pp.335-344.
[2H]C([2H])(C1=CNC2=C1C=C(C=C2)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)C(=O)OC)OC(=O)C)OC(=O)C)OC(=O)C)C([2H])([2H])NC(=O)C Not approved Circadian rhythm modulation MT1 , MT2 Melatonin receptor binding Jockers R, Delagrange P, Dubocovich ML, Markus RP, Renault N, Tosini G, Cecon E, Zlotos DP. Update on melatonin receptors: IUPHAR Review 20. Br J Pharmacol. 2016 Sep;173(18):2702-25.
C1C2=NN=CN2C3=C(C=C(C=C3)Cl)C(=N1)C4=CC=CC=C4 Approved sleep modulation in humans GABAA receptors GABAergic system influence Vogel, G.W. and Morris, D., 1992. The effects of estazolam on sleep, performance, and memory: a long‐term sleep laboratory study of elderly insomniacs. The Journal of Clinical Pharmacology, 32(7), pp.647-651.
C1=CC=C(C(=C1)C(=O)O)O none Period shortening in plants Unknown | Multiple plant targets Plastoquinone interaction Manickam, R., Oh, H.Y.P., Tan, C.K., Paramalingam, E. and Wahli, W., 2018. Metronidazole causes skeletal muscle atrophy and modulates muscle chronometabolism. International journal of molecular sciences, 19(8), p.2418.
CC1C2C(C3C(C(=O)C(=C(C3(C(=O)C2=C(C4=C1C=CC=C4O)O)O)O)C(=O)N)N(C)C)O Approved restores normal circadian rhythms, may cause daytime sleepiness, rescues recognition memory and circadian motor rhythmicity but does not prevent terminal disease in fatal familial insomnia mice Unknown Central clock rescue via microbial community alteration Lavigna, G., Masone, A., Bouybayoune, I., Bertani, I., Lucchetti, J., Gobbi, M., Porcu, L., Zordan, S., Rigamonti, M., Imeri, L. and Restelli, E., 2021. Doxycycline rescues recognition memory and circadian motor rhythmicity but does not prevent terminal disease in fatal familial insomnia mice. Neurobiology of Disease, 158, p.105455.
CC1=C(C=C(N1CCCN2CCOCC2)C3=CC=CC=C3)C(=O)NC4=CC=CC(=C4)C(F)(F)F Not approved potential circadian entrainment via TRPV4 in eye (mammals) TRPV4 Channel This inhibition of TRPV4-mediated signaling can affect downstream pathways involved in the regulation of the circadian clock. Li, W., Xu, Y., Liu, Z., Shi, M., Zhang, Y., Deng, Y., Zhong, X., Chen, L., He, J., Zeng, J. and Luo, M., 2021. TRPV4 inhibitor HC067047 produces antidepressant-like effect in LPS-induced depression mouse model. Neuropharmacology, 201, p.108834.
CCC(C)C1(C(=O)NC(=O)NC1=O)CC Approved Indirect circadian disruption via altered sleep–wake timing (in humans) GABAA receptors GABAergic system influence Prinz, P.N., Vitiello, M.V., Raskind, M.A. and Thorpy, M.J., 1990. Sleep disorders and aging. New England Journal of Medicine, 323(8), pp.520-526.
C1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N=NC3=CC(=C(C=C3)O)C(=O)O Approved circadian clock mediated antitumor effect REV-ERBα Core clock suppression Okazaki, F., Matsunaga, N., Hamamura, K., Suzuki, K., Nakao, T., Okazaki, H., Kutsukake, M., Fukumori, S., Tsuji, Y. and To, H., 2017. Administering xCT inhibitors based on circadian clock improves antitumor effects. Cancer research, 77(23), pp.6603-6613.
CC(C)(C[C@H]1CN(C2=C(O1)C=CC(=C2)C3=CC(=CC(=C3)F)OC(F)F)S(=O)(=O)C4=CC=CC(=C4)C(F)(F)F)C(=O)O Not approved Circadian modulation via RORγ activation in human immune cells RORB , ROR gamma ROR, RORγ binding Mahalingam, D., Wang, J.S., Hamilton, E.P., Sarantopoulos, J., Nemunaitis, J., Weems, G., Carter, L., Hu, X., Schreeder, M. and Wilkins, H.J., 2019. Phase 1 open-label, multicenter study of first-in-class RORγ agonist LYC-55716 (cintirorgon): safety, tolerability, and preliminary evidence of antitumor activity. Clinical Cancer Research, 25(12), pp.3508-3516.