AARON KUCINSKI ET AL: "Reducing falls in Parkinson's disease: interactions between donepezil and the 5-HT 6 receptor antagonist idalopirdine on falls in a rat model of impaired cognitive control of complex movements", EUROPEAN JOURNAL OF NEUROSCIENCE., vol. 45, no. 2, 18 August 2016 (2016-08-18), pages 217-231, XP055382414, GB ISSN: 0953-816X, DOI: 10.1111/ejn.13354 (B1)

HENDERSON EMILY J ET AL: "Rivastigmine for gait stability in patients with Parkinson's disease (ReSPonD): a randomised, double-blind, placebo-controlled, phase 2 trial", LANCET NEUROLOGY, LANCET PUBLISHING GROUP, LONDON, GB, vol. 15, no. 3, 13 January 2016 (2016-01-13), pages 249-258, XP029415433, ISSN: 1474-4422, DOI: 10.1016/S1474-4422(15)00389-0 cited in the application (B1)

HERRIK KJARTAN F ET AL: "The 5-HT6receptor antagonist idalopirdine potentiates the effects of acetylcholinesterase inhibition on neuronal network oscillations and extracellular acetylcholine levels in the rat dorsal hippocampus", NEUROPHARMACOLOGY, PERGAMON PRESS, OXFORD, GB, vol. 107, 31 March 2016 (2016-03-31), pages 351-363, XP029602105, ISSN: 0028-3908, DOI: 10.1016/J.NEUROPHARM.2016.03.043 (B1)

JORN ARNT ET AL: "Lu AE58054, a 5-HT6 antagonist, reverses cognitive impairment induced by subchronic phencyclidine in a novel object recognition test in rats", INTERNATIONAL JOURNAL OF NEUROPSYCHOPHARMACOLOGY, vol. 13, no. 08, 23 June 2010 (2010-06-23) , pages 1021-1033, XP055408768, Cambridge ISSN: 1461-1457, DOI: 10.1017/S1461145710000659 (B1)

WO-A2-02/078693 (B1)

KOSHY CHERIAN AJEESH ET AL: "Co-treatment with rivastigmine and idalopirdine reduces the propensity for falls in a rat model of falls in Parkinson's disease", PSYCHOPHARMACOLOGY, SPRINGER VERLAG, BERLIN, DE, vol. 236, no. 6, 4 January 2019 (2019-01-04), pages 1701-1715, XP036983495, ISSN: 0033-3158, DOI: 10.1007/S00213-018-5150-Y [retrieved on 2019-01-04] (B1)

US-A1- 2014 073 681 (B1)

WO-A2-00/12623 (B1)

K. A. CHUNG ET AL: "Effects of a central cholinesterase inhibitor on reducing falls in Parkinson disease", NEUROLOGY, vol. 75, no. 14, 5 October 2010 (2010-10-05), pages 1263-1269, XP055382666, US ISSN: 0028-3878, DOI: 10.1212/WNL.0b013e3181f6128c (B1)