ClinicalTrials.Veeva

Menu

Safety and Efficacy Study of SHP465 in Adults Aged 18-55 Years With Attention-deficit/ Hyperactivity Disorder (ADHD)

Shire logo

Shire

Status and phase

Completed
Phase 3

Conditions

Attention Deficit Hyperactivity Disorder (ADHD)

Treatments

Other: Placebo
Drug: SHP465 12.5mg, 25mg, or 37.5mg capsules (one capsule daily)
Drug: SHP465 12.5mg capsules (one capsule daily)

Study type

Interventional

Funder types

Industry

Identifiers

NCT02604407
SHP465-306

Details and patient eligibility

About

The study is designed to evaluate the efficacy and safety of each dose of SHP465 (12.5 and 37.5 mg) given to participants daily in the morning compared to placebo in the treatment of adults aged 18 to 55 years diagnosed with ADHD.

Enrollment

275 patients

Sex

All

Ages

18 to 55 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Subject must be 18-55 years of age

Subject is able to provide written, personally signed and dated informed consent.

Subject is willing and able to comply with all of the testing and requirements defined in the protocol

Subject, who is a female, must not be pregnant.

Subject must have a satisfactory medical assessment with no clinically significant or relevant abnormalities.

Subject has a primary diagnosis of ADHD.

Subject has an adult ADHD-RS with prompts total score ≥28 at the baseline visit.

Subject must have a minimum level of intellectual functioning, as determined by the investigator.

Subject is able to swallow a capsule.

Subject is currently not on ADHD therapy or is not completely satisfied with any aspect of their current ADHD therapy.

Exclusion criteria

Subject has a current, comorbid psychiatric diagnosis with significant symptoms.

Subject is considered a suicide risk in the opinion of the investigator

Subject has a body mass index (BMI) of <18.5 kg/m2 at the screening visit.

Subject has a BMI ≥40 kg/m2 at the screening visit.

Subject has a concurrent chronic or acute illness, disability, or other condition.

Subject has a history of seizure, a chronic or current tic disorder, or a current diagnosis of Tourette's disorder.

Subject has a history of moderate to severe hypertension.

Subject has a known history of symptomatic cardiovascular disease

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

Subject has any clinically significant ECG or clinically significant laboratory abnormality at the screening visit.

Subject has current abnormal thyroid function

Subject has a documented allergy, hypersensitivity, or intolerance to amphetamine or to any excipients in the investigational product.

Subject has failed to respond, to an adequate course(s) of amphetamine therapy.

Subject has a history of suspected substance abuse or dependence disorder.

Subject has a positive urine drug result at the screening visit (with the exception of subject's current stimulant therapy, if any) or Subject has taken another investigational product or has taken part in a clinical study within 30 days prior to the screening visit.

Subject has previously completed, has discontinued, or was withdrawn from this study.

Subject is taking any medication that is excluded or has not been appropriately washed out according to the protocol requirements.

Subject is required to take or anticipates the need to take medications that have CNS effects or affect performance.

Subject is female and is pregnant or lactating.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

275 participants in 3 patient groups, including a placebo group

SHP465 12.5 mg
Experimental group
Description:
Subjects will receive SHP465 12.5 mg
Treatment:
Drug: SHP465 12.5mg capsules (one capsule daily)
SHP465 37.5 mg
Experimental group
Description:
Subjects will receive SHP465 titrated up to 37.5 mg
Treatment:
Drug: SHP465 12.5mg, 25mg, or 37.5mg capsules (one capsule daily)
Placebo
Placebo Comparator group
Description:
Subjects will receive matching placebo
Treatment:
Other: Placebo

Trial contacts and locations

45

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2025 Veeva Systems