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Health Canada has authorized VYVANSE® (lisdexamfetamine dimesylate), the first and only, chewable tablet for the treatment of attention deficit/hyperactivity disorder (ADHD)1

July 10, 2019
VYVANSE® offers an additional option for patients who prefer the convenience of a chewable tablet, or who have difficulty swallowing medication

TORONTO, ON  –– Takeda Canada announced today that Health Canada has authorized a chewable tablet of VYVANSE® (lisdexamfetamine dimesylate). This is the first and only chewable treatment for patients with attention deficit/hyperactivity disorder (ADHD) aged six and older.1*


“With chewable tablets, children with ADHD now have a new option that makes taking a medication like VYVANSE® easier in the morning. The goal of this new delivery administration is to improve medication adherence,” said Dr. Martin Gignac, M.D., F.R.C.P.(C), Child and Adolescent Psychiatrist, at the Montreal Children’s Hospital, and Clinical Associate Professor, at McGill University. “Ultimately, pharmacotherapy with a medication like VYVANSE® improves ADHD symptom control right from the start in the morning and throughout the day, allowing the child to function optimally at home, at school and with friends."


ADHD is among the most prevalent mental health conditions in childhood.2 Five to nine per cent of children and adolescents in Canada are living with ADHD,3 a condition that can cause poor school performance, behavioural challenges, and difficulties at home and with friends.2 Medication plays an important role4 in controlling common symptoms including inattention, hyperactivity and impulsivity.2


“One of the biggest challenges we hear from parents is the struggle to get their children to take their medication in the morning in a timely and convenient manner,” said Heidi Bernhardt, President and Executive Director, Centre for ADHD Awareness Canada. “We are excited to hear there is now a chewable treatment choice available as it provides an easier administration option and helps families to start their day off on the right foot.”


Despite the proven benefits of treatment, research shows only half of those diagnosed with ADHD took their medication as prescribed in the first year following diagnosis with decreasing adherence over time.4 Poor
medication adherence in children can often be attributed to difficulty swallowing or an aversion to pills,4 creating the need for additional child-appropriate dosage options.5


In fact, research on dosage form preferences showed that chewable tablets were the most preferred medication form amongst school-aged children when compared to other options.5


VYVANSE® chewable tablets are administered once daily in the morning and are available in six doses: 10 mg, 20 mg, 30 mg, 40 mg, 50 mg and 60 mg.1 VYVANSE® chewable tablets are expected to be available in fall 2019.


VYVANSE® capsules (30 mg and 50 mg) were first authorized in Canada for the treatment of children with ADHD aged 6-12 years in 2009.6 Today, VYVANSE® capsules are available in six dosage strengths for ADHD and the indication has been expanded to include the treatment of adolescents and adults.1 
Additionally, in 2016, VYVANSE® capsules were authorized for the treatment of binge eating disorder (BED) in adults aged 18 and older and is available in seven dosage options including 70 mg.7


“VYVANSE® has been a trusted treatment in Canada for over ten years,” said Gamze Yüceland, General Manager, Takeda Canada. “We are committed to providing new and innovative options for patients and their
families in order to achieve better health and a brighter future.”


About VYVANSE® Chewable Tablets
Health Canada’s authorization is based on a study of healthy adult subjects (N=18), which showed that the chewable lisdexamfetamine dimesylate tablet had comparable bioavailability when compared to the capsule formulation after a single-dose oral administration of 60 mg under fasting condition.1



VYVANSE® is a central nervous system stimulant prescription medicine for the treatment of attention deficit/hyperactivity disorder (ADHD) and the treatment of binge eating disorder (BED).1 Lisdexamfetamine dimesylate, is the medicinal ingredient in VYVANSE®.1 VYVANSE® helps increase attention (including the ability to follow directions and finish tasks) and decrease impulsiveness and hyperactivity in patients with ADHD.1 In BED, VYVANSE® helps to reduce the number of binge eating episodes.1


Health Canada’s authorization of VYVANSE® Capsules in children aged 6-12 years with ADHD was based on two, 4-week, clinical studies. One study was a Phase III, randomized, double-blind, parallel-group, placebo-controlled study (n=285). Patients received doses of 30, 50, or 70 mg of VYVANSE® once daily for 4 weeks. The other study was a Phase II, randomized, double-blind, placebo- and active-controlled, multidose,
3-period and 3-treatment crossover study (n=50). In this study, all patients received a 3-week openlabel dose titration with mixed salts amphetamine extended-release capsules, and were then randomized with respect to treatment sequence for the same dose of mixed salts amphetamine extended-release capsules (10, 20, or 30 mg), VYVANSE® (30, 50, and 70 mg), or placebo; once daily in the morning for 1 week. In both clinical studies, significant improvements in ADHD symptoms were observed in patients who received VYVANSE® compared to patients who received placebo.6


The most frequently reported adverse drug reactions (≥5%) in pediatric, adolescent or adult ADHD pivotal clinical trials were: anorexia, anxiety, decreased appetite, decreased weight, diarrhea, dizziness, dry mouth, headache, insomnia, irritability, nausea, upper abdominal pain and vomiting.1


The most commonly observed adverse events reported with exposure to VYVANSE® in BED across the five studies (> 5%) were: dry mouth, insomnia, headache, decreased appetite, nausea, upper respiratory tract infection, nasopharyngitis, tachycardia, constipation, irritability, anxiety, feeling jittery, fatigue and diarrhea.1


VYVANSE® has not been systematically studied in, and is therefore not indicated for use in, the geriatric population (>65 years of age).1


VYVANSE® is contraindicated for use in those with moderate to severe hypertension, advanced arteriosclerosis, symptomatic cardiovascular disease, hyperthyroidism, known hypersensitivity or idiosyncrasy to the sympathomimetic amines, allergy to amphetamines, glaucoma, agitated states, history of drug abuse, during or within 14 days following the administration of monoamine oxidase inhibitors (hypertensive crises may result).1


Amphetamines, like VYVANSE®, have a potential for abuse, misuse, dependence, or diversion for non-therapeutic uses,1 which may cause serious cardiovascular adverse events and sudden death.1 For additional information around VYVANSE® warnings, precautions and prescribing information please see the Product Monograph.


VYVANSE® was previously marketed in Canada by Shire Pharma Canada ULC, which was acquired by Takeda in January 2019.


About ADHD

Attention-deficit/hyperactivity disorder is a neurodevelopmental disorder characterized by the presence of hyperactive-impulsive and/or inattentive symptoms that cause impairment and were present before the age of 12 years.8 For an ADHD diagnosis, the symptoms must be persistent, must be more severe than is typically observed in individuals at a comparable level of development, must cause clinically significant impairment, for example in social, academic, or occupational functioning, and be present in two or more settings, for example school (or work), and at home.1 Approximately 75 per cent of patients continue to meet the diagnostic criteria as the child moves into adolescence, and over half of patients will continue to present with clinically significant impairment into adulthood.2


About BED

Binge eating disorder is defined as recurring episodes (≥ once weekly, on average, for at least 3 months) of consuming a large amount of food in a short time, compared with others.9 Patients feel a lack of control during a binge eating episode and marked distress over their eating.1 They typically experience shame and guilt, among other symptoms, about their binge eating, and may conceal the symptoms.1 Unlike people with other eating disorders, adults with binge eating disorder do not routinely try to "undo" their excessive eating with extreme actions like purging or over-exercising.10


About Takeda Pharmaceutical Company Limited

Takeda Pharmaceutical Company Limited (TSE:4502/NYSE:TAK) is a global, values-based, R&D-driven biopharmaceutical leader headquartered in Japan, committed to bringing Better Health and a Brighter Future to patients by translating science into highly-innovative medicines. Takeda focuses its R&D efforts on four therapeutic areas: Oncology, Gastroenterology (GI), Rare Diseases and Neuroscience. We also make targeted R&D investments in Plasma-Derived Therapies and Vaccines. We are focusing on developing highly innovative medicines that contribute to making a difference in people's lives by advancing the frontier of new treatment options and leveraging our enhanced collaborative R&D engine and capabilities to create a robust, modality-diverse pipeline. Our employees are committed to improving quality of life for patients and to working with our partners in health care in approximately 80 countries and regions. For more information, visit www.takeda.com


About Takeda Canada

Takeda Canada headquarters is currently located in Oakville, Ontario and is the Canadian subsidiary of Takeda Pharmaceutical Company Limited. Takeda Canada is delivering better health for Canadians through leading innovations in gastroenterology, oncology, neuroscience, and rare diseases. Additional information about Takeda Canada is available at www.takeda.com/en-ca


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1 Vyvanse Product Monograph. Toronto, ON: Takeda Canada, July 5, 2019.
2 Statistics Canada. Childhood Conditions. Available at: https://www150.statcan.gc.ca/n1/pub/82-619-m/2012004/sections/sectionc-eng.htm. Accessed June 2019.
3 Canadian ADHD Resource Alliance (CADDRA): Canadian ADHD Practice Guidelines, Fourth Edition, Toronto ON; CADDRA, 2018.
4 Cutler AJ, Mattingly GW. Beyond the pill: new medication delivery options for ADHD. CNS Spectr. 2017;22(6):463-474. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4149449/. Accessed June 2019.
5 Ranmal SR, Cram A, Tuleu C. Age-appropriate and acceptable paediatric dosage forms: Insights into end-user perceptions, preferences and practices from the Children's Acceptability of Oral Formulations (CALF) Study. Int J Pharm. 2016;514(1):296-307.
6 Government of Canada. Summary Ba sis of Decision - VyvanseTM - Health Canada. Available at: https://hpr-rps.hres.ca/reg-content/summary-basis-decision-detailOne.php?linkID=SBD00311. Accessed July 2019.
7 Government of Canada. Notice of Compliance Vyvanse Binge Eating Disorder. Available at: https://health-products.canada.ca/noc-ac/info.do?lang=en&no=18545. Accessed July 2019
8 Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition. Attention-Deficit/Hyperactivity Disorder (ADHD). Available at: https://images.pearsonclinical.com/images/assets/basc-3/basc3resources/DSM5_DiagnosticCriteria_ADHD.pdf. Accessed June 2019.
9 National Eating Disorders Association. Binge Eating Disorder. Available at: https://www.nationaleatingdisorders.org/learn/by-eating-disorder/bed. Accessed June 2019.
10 Mayo Clinic. Binge Eating Disorders. Available at: https://www.mayoclinic.org/diseases-conditions/binge-eating-disorder/symptoms-causes/syc-20353627. Accessed June 2019.