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Trial for Adults with ADHD with and Without Anxiety Disorder

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A 14 Week, Randomized, Placebo-Controlled Cross-Over Study of Methylphenidate Hydrochloride Controlled Release Capsules in Adult ADHD With and Without Anxiety Disorder Comorbidity

Other psychiatric disorders, including anxiety, often co-occur with adult ADHD; with 85% of ADHD patients having at least one other psychiatric condition. The presence of a co-occurring anxiety disorder has been associated with additive clinical effects, leading to more global impairment, poorer outcome, greater resistance to treatment and increased costs of illness. Stimulants are effective first-line treatments for adult ADHD patients, however the literature has mostly examined these treatments in pure ADHD populations (i.e. without other psychiatric disorders). Thus, there is little information to guide physicians in making treatment decisions for patients with ADHD and a co-occurring condition. This trial aims to evaluate the efficacy and safety of methylphenidate hydrochloride controlled release capsules (Foquest) in treating adults aged 18-65 years with DSM-5 ADHD with and without a co-occurring anxiety disorder.The study uses a 14-week, randomized, placebo-controlled, cross-over design.

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Pharmaceutical medication involved common.study.methods.has-drugs-yes
Recruiting patients only common.study.methods.is-healthy-yes

Drug - Methylphenidate Hydrochloride Controlled-Release Capsules

25 mg methylphenidate hydrochloride- titrated as tolerated up to a maximum 4 capsules daily (25 mg- 100 mg total dose) At Week 0 or Week 7, dosing will start at 1 capsule/day for one week, and be titrated to 2 capsules/day for Week 2. 50 mg of methylphenidate hydrochloride per day (i.e. 2 capsules/day) is the minimum dose that must be achieved. The dose may be titrated to 75 mg/day for Week 3 and to 100 mg/day for Week 4 if participants are tolerating their current dose, are experiencing no adve ...read more on ClinicalTrials.org

Drug - Placebo Capsule

At Week 0 or Week 7, dosing will start at 1 capsule/day for one week, and be titrated to 2 capsules/day for Week 2. The dose may be titrated to 75 mg/day for Week 3 and to 100 mg/day for Week 4 if participants are tolerating their current dose, are experiencing no adverse events, and have not fully responded. By Week 4 or Week 11 no further dose changes will occur.

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participant.views.study.view.scientific-title

A 14 Week, Randomized, Placebo-Controlled Cross-Over Study of Methylphenidate Hydrochloride Controlled Release Capsules in Adult ADHD With and Without Anxiety Disorder Comorbidity

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NCT03785223

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aQWv7d