Stuttering
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Men Developmental stuttering 18 years or older Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 30 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range
Exclusion criteria
Exclusion criteria: Psychological disorders: depression, psychosis, bipolar disorder. Psychogenic of neurogenic stuttering Adhd. Narcolepsy. Use of methylphenidate (now or in the past). AHT (blood pressure above 140/90). Use of benzodiazepines, neuroleptics such as haloperidol, amphetamines, anti- emetics such as metoclopramide and domperidone, L-dopa, MAO inhibitors. Stroke or TIA. Hyperthyroidism. Cocaine or other drug use (now or in the past). Drug addiction (now or in the past). Glaucoma. Alcoholism. Known liver disease. Epilepsy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Main Objective: Does methylphenidate effect on the severity of developmental stuttering in adults?;Secondary Objective: not applicable;Primary end point(s): Measuring the number of: repeats, sounds, syllables, words, middle positions, blockades, audible, silences, stress;Timepoint(s) of evaluation of this end point: Before start administration, and after 2 weeks administration of 20 mg methylphenidate per day. Before start placebo and after 2 weeks of placebo. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary end point(s): Subjective effect of methylphenidate on stuttering.;Timepoint(s) of evaluation of this end point: Before start administration, and after 2 weeks administration of 20 mg methylphenidate per day. Before start placebo and after 2 weeks of placebo. | — |
Countries
Belgium
Contacts
Vrije Universiteit Brussel