Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2021 Mar 23:12:630378.
doi: 10.3389/fneur.2021.630378. eCollection 2021.

TuberOus SClerosis registry to increAse disease awareness (TOSCA) Post-Authorisation Safety Study of Everolimus in Patients With Tuberous Sclerosis Complex

Affiliations

TuberOus SClerosis registry to increAse disease awareness (TOSCA) Post-Authorisation Safety Study of Everolimus in Patients With Tuberous Sclerosis Complex

J Chris Kingswood et al. Front Neurol. .

Abstract

This non-interventional post-authorisation safety study (PASS) assessed the long-term safety of everolimus in patients with tuberous sclerosis complex (TSC) who participated in the TuberOus SClerosis registry to increase disease Awareness (TOSCA) clinical study and received everolimus for the licensed indications in the European Union. The rate of adverse events (AEs), AEs that led to dose adjustments or treatment discontinuation, AEs of potential clinical interest, treatment-related AEs (TRAEs), serious AEs (SAEs), and deaths were documented. One hundred seventy-nine patients were included in the first 5 years of observation; 118 of 179 patients had an AE of any grade, with the most common AEs being stomatitis (7.8%) and headache (7.3%). AEs caused dose adjustments in 56 patients (31.3%) and treatment discontinuation in nine patients (5%). AEs appeared to be more frequent and severe in children. On Tanner staging, all patients displayed signs of age-appropriate sexual maturation. Twenty-two of 106 female (20.8%) patients had menstrual cycle disorders. The most frequent TRAEs were stomatitis (6.7%) and aphthous mouth ulcer (5.6%). SAEs were reported in 54 patients (30.2%); the most frequent SAE was pneumonia (>3% patients; grade 2, 1.1%, and grade 3, 2.8%). Three deaths were reported, all in patients who had discontinued everolimus for more than 28 days, and none were thought to be related to everolimus according to the treating physicians. The PASS sub-study reflects the safety and tolerability of everolimus in the management of TSC in real-world routine clinical practice.

Keywords: TOSCA; everolimus; mammalian target of rapamycin; post-authorization safety study; tuberous sclerosis complex.

PubMed Disclaimer

Conflict of interest statement

JK, EB, TC, VC, PC, Gd'A, JF, PV, MF, CF, CH, SJ, RN, FO'C, JQ, MS, RT, MD, JL, AM, SY, MB, BZ, and AJ received honoraria and support for travel from Novartis. VC received personal fees for consulting, lecture, and travel from Actelion, Bayer, Biogen Idec, Boehringer Ingelheim, Gilead, GSK, MSD, Novartis, Pfizer, Roche, and Sanofi; grants from Actelion, Boehringer Ingelheim, GSK, Pfizer and Roche and personal fees for developing educational material from Boehringer Ingelheim and Roche. PV has been on the study steering group of the EXIST-1, 2 and 3 studies sponsored by Novartis and is a co-PI on two investigator-initiated studies part-funded by Novartis. RN received grant support, paid to her institution, from Eisai and lecture fees from Nutricia, Eisai, Advienne and GW Pharma. YT received personal fees from Novartis for lecture and for copyright of referential figures from the journals and received a grant from the Japanese government for intractable epilepsy research. SJ was partly financed by the EC Seventh Framework Programme (FP7/2007-2013; EPISTOP, grant agreement no. 602391), the Polish Ministerial funds for science (years 2013–2018) for implementation of international co-financed project and the grant EPIMARKER of the Polish National Center for Research and Development No STRATEGMED3/306306/4/2016. JK, PC, CH, JL, and JQ received a research grant from Novartis. KB received grants, personal fees, and non-financial support from Novartis, Alexion, Astellas, BMS, CSL-Henring, Chiesi, Fresenius, Genentech, Hansa, Hexal, MSD, Neovii, Otsuka, Pfizer, Roche, Sandoz, Siemens, Veloxis, Vifor, and Vitaeris, grants from Abbvie, Akebia, Calliditas, CSL Henring, Freseniu, Hookipa, MSD Sharp & Dohme, Quark, Sanofi, Shire, UCB. RM and SS are employees of Novartis, while LD'A was a Novartis employee at the time of manuscript concept approval. This study was funded by Novartis Pharma AG. Novartis has contributed to the study design, data analysis, and the decision to publish. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
Patient disposition in TOSCA PASS sub-study. TOSCA, TuberOus SClerosis registry to increase disease Awareness; PASS, post-authorisation safety study.

References

    1. Curatolo P, Bombardieri R, Jozwiak S. Tuberous sclerosis. Lancet. (2008) 372:657–68. 10.1016/S0140-6736(08)61279-9 - DOI - PubMed
    1. Curatolo P, Moavero R, de Vries PJ. Neurological and neuropsychiatric aspects of tuberous sclerosis complex. Lancet Neurol. (2015) 14:733–45. 10.1016/S1474-4422(15)00069-1 - DOI - PubMed
    1. Kingswood C, Bolton P, Crawford P, Harland C, Johnson SR, Sampson JR, et al. . The clinical profile of tuberous sclerosis complex (TSC) in the United Kingdom: a retrospective cohort study in the Clinical Practice Research Datalink (CPRD). Eur J Paediatr Neurol. (2016) 20:296–308. 10.1016/j.ejpn.2015.11.011 - DOI - PubMed
    1. Krueger DA, Northrup H, G . International Tuberous Sclerosis Complex Consensus. Tuberous sclerosis complex surveillance and management: recommendations of the 2012 International Tuberous Sclerosis Complex Consensus Conference. Pediatr Neurol. (2013) 49:255–65. 10.1016/j.pediatrneurol.2013.08.002 - DOI - PMC - PubMed
    1. Franz DN, Belousova E, Sparagana S, Bebin EM, Frost M, Kuperman R, et al. . Efficacy and safety of everolimus for subependymal giant cell astrocytomas associated with tuberous sclerosis complex (EXIST-1): a multicentre, randomised, placebo-controlled phase 3 trial. Lancet. (2013) 381:125–32. 10.1016/S0140-6736(12)61134-9 - DOI - PubMed

LinkOut - more resources