Amphetamine Extended-Release Tablets in the Treatment of Adults With ADHD



Status:Recruiting
Conditions:Psychiatric, ADHD
Therapuetic Areas:Psychiatry / Psychology, Other
Healthy:No
Age Range:18 - 60
Updated:3/23/2019
Start Date:February 6, 2019
End Date:August 31, 2020
Contact:Antonio Pardo, MD
Email:clinicalaffairs@trispharma.com
Phone:732-823-4755

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To evaluate the efficacy of AMPH ER TAB compared to placebo in adult patients with ADHD aged
18 to 60 years.

This is a randomized, double-blind (DB), placebo-controlled, parallel, study to assess the
efficacy and safety of AMPH ER TAB compared to placebo for the treatment of ADHD in adults
aged 18 to 60 years.

After Screening and Baseline evaluations are complete, eligible subjects will be randomized
in the study to take DB AMPH ER TAB or matching placebo orally once daily in the morning
beginning the day after the Baseline visit for 5 weeks. Dose will be titrated on a weekly
basis to reach 20 mg per day.Subjects who cannot tolerate the study drug will be discontinued
from the study.

A Math Test placement test will be done at Screening or at Baseline. At Visit 5, efficacy
assessments will include the administration of serial Math Tests at pre-dose and at 0.5, 1,
2, 4, 8, 10, 12, 13, and 14 hours post-dose.

Adult Investigator Symptom Rating Scale (AISRS) and Clinical Global Impression Scale Severity
(CGI-S) will be conducted at Baseline and Visits 1 to 5. Digit Symbol Substitution Test
(DSST) will be administered at Baseline and Visit 5.

Safety assessments will include treatment-emergent adverse events, physical examination,
vital signs, body weight, Columbia Suicide Severity Rating Scale (C-SSRS), and direct
questioning to assess for sleep, appetite, mood and psychotic events.

Inclusion Criteria

1. Male or female aged 18 to 60 years, inclusive at the time of Screening.

2. Diagnosed with ADHD using the DSM-5 criteria based on the Adults ADHD Clinical
Diagnostic Scale (ACDS).

3. IQ within normal range based upon clinical opinion of the Investigator.

4. Baseline AISRS total score greater than or equal to 26.

5. Baseline score of 4 or higher in CGI-S.

6. Females who participate in this study will be of childbearing or non-childbearing
potential:

- Childbearing potential: Physically capable of becoming pregnant

- Non-childbearing potential:

- Permanently sterile (i.e., both ovaries removed, uterus removed, or
bilateral tubal ligation for at least 6 weeks or documented successful
hysteroscopic sterilization); and/or

- Post-menopausal (no menstrual period for at least 12 consecutive months
without any other medical cause).

7. Females of childbearing potential must be non-lactating and must have a negative serum
pregnancy test at Screening.

8. Willing to use acceptable, effective methods of contraception.

9. Be able to attend the clinic regularly and reliably.

10. Be able to understand, read, write, and speak English fluently to complete the study
related materials.

11. Be informed of the nature of the study and give written consent prior to any study
procedure.

Exclusion Criteria:

1. Current or lifetime history of bipolar disorder or any psychotic disorder as
established by Mini International Neuropsychiatric Interview (M.I.N.I.) 7.0.2.

2. Current history of major depression, generalized anxiety disorder,
obsessive-compulsive disorder, panic disorder, or post-traumatic stress disorder as
established by the M.I.N.I. 7.0.2.

3. Known history of chronic medical illnesses including untreated thyroid disease,
peripheral vasculopathy, known structural cardiac disorders, serious cardiac
conditions, serious arrhythmias, cardiomyopathy, and known family history of sudden
death.

4. History of uncontrolled hypertension or a resting systolic blood pressure >140 mmHg or
diastolic blood pressure >90 mmHg. Subjects with well-controlled hypertension on a
stable dose for at least 3 months of anti-hypertensives will be allowed to
participate.

5. Have clinically significant findings in vital signs measurements at Screening
including:

- Systolic blood pressure >140 mmHg or diastolic blood pressure >90 mmHg

- Heart rate >100 bpm

6. Known history or presence of significant renal or hepatic disease, as indicated by
clinical laboratory assessment:

- Liver function test results ≥2 times the upper normal limit

- Abnormal blood urea nitrogen, or creatinine levels

7. Clinically significant abnormal electrocardiogram or cardiac findings on physical
examination (including the presence of a pathologic murmur).

8. Use of the following medications within 14 days of Baseline Visit:

- Atomoxetine

- Monoamine oxidase inhibitors (e.g., selegiline, isocarboxazid, phenelzine,
tranylcypromine)

- Tricyclic antidepressants (e.g., desipramine, protriptyline).

9. Use of the following medications within 3 days of Baseline Visit:

- Gastrointestinal acidifying agents (e.g., guanethidine, reserpine, glutamic acid
hydrochloride [HCl], ascorbic acid)

- Urinary acidifying agents (e.g., ammonium chloride, sodium acid phosphate,
methenamine salts).

10. Use of fluoxetine within 30 days of Baseline Visit.

11. Use of stimulant medications within 1 week of Baseline Visit.

12. Planned use of prohibited drugs or agents from the Screening visit through the end of
the study.

13. Participation in a clinical study in which an investigational drug was administered
within 30 days prior to Screening.

14. Abnormal clinically significant laboratory test values at Screening that, in the
opinion of the Medical Monitor or Sponsor, would preclude study participation.

15. Known history of allergy/hypersensitivity to amphetamine or any of the components of
AMPH ER TAB.

16. Known history of lack of clinical response to amphetamine based upon Investigator
judgment.

17. Positive test result for HIV, Hepatitis B surface antigen, or Hepatitis C antibody.

18. Any uncontrolled medical condition that, in the opinion of Medical Monitor or Sponsor,
would preclude study participation.

19. History or presence of alcohol dependence or substance abuse disorder according to
DSM-5 or within the last 12 months.

20. Subject's inability or unwillingness to follow directions from the study research
staff.

21. Answer of "yes" to questions 4 or 5 of the C-SSRS within the last 2 years.
We found this trial at
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Bradenton, Florida
Phone: 407-644-1165
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Las Vegas, Nevada 89128
Phone: 702-545-6404
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Maitland, Florida 32751
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