Efficacy and Safety Study of SPD489 in Combination With an Antidepressant in the Treatment of Adults With Major Depressive Disorder



Status:Completed
Conditions:Depression, Major Depression Disorder (MDD)
Therapuetic Areas:Psychiatry / Psychology, Pulmonary / Respiratory Diseases
Healthy:No
Age Range:18 - 65
Updated:1/6/2019
Start Date:October 27, 2011
End Date:December 23, 2013

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The SPD489-322 Phase 3, Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled, Flexible Dose Titration, Efficacy and Safety Study of SPD489 in Combination With an Antidepressant in the Treatment of Adults With Major Depressive Disorder With Inadequate Response to Prospective Treatment With an Antidepressant

This study will examine SPD489 in subjects aged 18-65 with major depressive disorder (MDD)
who are taking certain types of antidepressants but continue to have residual depression
symptoms. Eligible patients will remain on their antidepressant but will be randomized to
either receive supplemental SPD489 or placebo (i.e. sugar pill). The purpose of this study is
to help answer the following questions:

- How safe is SPD489 for the supplemental treatment of depression and what are the side
effects that might be related to it?

- Can supplemental SPD489 help patients who still have residual depression symptoms while
taking an antidepressant?

- How much SPD489 should be given to patients with depression who are also taking an
antidepressant?

- How does SPD489 compare to placebo in depressed patients who are also taking an
antidepressant?


Inclusion Criteria:

- Subject is able to provide written, personally signed, and dated informed consent to
participate in the study.

- Subject is between 18 and 65 years of age.

- Subject has a primary diagnosis of non-psychotic MDD (single or recurrent).

- Subject has a MADRS total score 24.

- Subject who is female, must have a negative serum beta human chorionic gonadotropin
(HCG) pregnancy test and a negative urine pregnancy test at the and agrees to comply
with any applicable contraceptive requirements of the protocol.

- Subject is able to swallow a capsule.

Exclusion Criteria:

- Subject whose current episode of MDD has not responded to an adequate treatment
regimen with 2 or more approved single antidepressant agents.

- Subject who has a lifetime history of treatment resistant depression.

- Subject has a current co-morbid psychiatric disorder. Excluded are: any significant
Axis II disorder (including borderline personality disorder), any bipolar disorder,
any current or lifetime psychosis, post traumatic stress disorder, obsessive
compulsive disorder, any pervasive development disorder, anorexia nervosa and bulimia
nervosa.

- Subject has been hospitalized (within the last 12 months) for their current MDD
episode.

- Subject has a current or lifetime history of attention-deficit/hyperactivity disorder
(ADHD).

- Subject has a first degree relative that has been diagnosed with bipolar I disorder.

- Subject has a recent history (within the last 6 months) of suspected substance abuse
or dependence disorder

- Subject is considered a suicide risk in the opinion of the Investigator, has
previously made a suicide attempt within the past 3 years, or is currently
demonstrating active suicidal ideation.

- Subject has a concurrent chronic or acute illness or unstable medical condition.

- Subject has a history of seizures (other than infantile febrile seizures), any tic
disorder, or a current diagnosis and/or a known family history of Tourette's Disorder,
serious neurological disease, history of significant head trauma, dementia,
cerebrovascular disease, Parkinson's disease, or intracranial lesions.

- Subject has known history of symptomatic cardiovascular disease, advanced
arteriosclerosis, structural cardiac abnormality, cardiomyopathy, serious heart rhythm
abnormalities, coronary artery disease, or other serious cardiac problems.

- Subject has a history of thyroid disorder that has not been stabilized on thyroid
medication or treatment within 3 months prior to the Screening Visit.

- Subject has a known family history of sudden cardiac death or ventricular arrhythmia.

- Subject has glaucoma.

- Subject has a history of moderate to severe hypertension.

- Current use of any other medications (including over-the-counter [OTC], herbal or
homeopathic preparations) that have central nervous system effects.

- Subject has had electroconvulsive therapy (ECT) for the current depressive episode 3
months prior.

- The subject has a known or suspected intolerance, hypersensitivity, or
contraindications to their assigned antidepressant treatments (escitalopram oxalate,
sertraline HCl, venlafaxine HCl extended release, or duloxetine HCl).

- Subject has a positive urine drug result.

- Subject has a body mass index (BMI) of <18.5 or >40.

- Subject is female and is pregnant or nursing.
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