Trial Outcomes & Findings for A Long-Term Safety Study of ALKS 5461 (NCT NCT02141399)

NCT ID: NCT02141399

Last Updated: 2018-12-14

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1485 participants

Primary outcome timeframe

Up to 56 weeks

Results posted on

2018-12-14

Participant Flow

Subjects were entered into the study in one of 3 ways, based upon previous experience with a prior ALKS 5461 study: Subjects continuing from a prior ALKS 5461 study; Subjects who participated in the prospective lead-in for a prior ALKS 5461 study, but did not meet the entrance criteria; Subjects who did not participate in a prior ALKS 5461 study.

All subjects received ALKS 5461 during the course of the study as an adjunctive treatment for major depressive disorder. In addition all subjects were treated with background antidepressant therapy prescribed by the investigator.

Participant milestones

Participant milestones
Measure
ALKS 5461
ALKS 5461 adjunctive treatment
Overall Study
STARTED
1485
Overall Study
COMPLETED
741
Overall Study
NOT COMPLETED
744

Reasons for withdrawal

Reasons for withdrawal
Measure
ALKS 5461
ALKS 5461 adjunctive treatment
Overall Study
Adverse Event
158
Overall Study
Lack of Efficacy
62
Overall Study
Lost to Follow-up
151
Overall Study
Non-compliance with study drug
18
Overall Study
Other
45
Overall Study
Physician Decision
17
Overall Study
Pregnancy
3
Overall Study
Protocol Violation
38
Overall Study
Withdrawal by Subject
238
Overall Study
Failure to meet eligibility criteria
14

Baseline Characteristics

A Long-Term Safety Study of ALKS 5461

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
ALKS 5461
n=1485 Participants
ALKS 5461 adjunctive treatment
Age, Continuous
46.5 years
STANDARD_DEVIATION 12.27 • n=5 Participants
Sex: Female, Male
Female
964 Participants
n=5 Participants
Sex: Female, Male
Male
521 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
197 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
1288 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
7 Participants
n=5 Participants
Race (NIH/OMB)
Asian
28 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
8 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
362 Participants
n=5 Participants
Race (NIH/OMB)
White
1080 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Region of Enrollment
Canada
54 participants
n=5 Participants
Region of Enrollment
Hungary
5 participants
n=5 Participants
Region of Enrollment
United States
1204 participants
n=5 Participants
Region of Enrollment
Poland
33 participants
n=5 Participants
Region of Enrollment
Australia
35 participants
n=5 Participants
Region of Enrollment
Bulgaria
88 participants
n=5 Participants
Region of Enrollment
Germany
66 participants
n=5 Participants

PRIMARY outcome

Timeframe: Up to 56 weeks

Population: The safety population included all subjects who received at least 1 dose of study drug.

Outcome measures

Outcome measures
Measure
ALKS 5461
n=1485 Participants
ALKS 5461 adjunctive treatment
Incidence of Adverse Events (AEs)
1124 Participants

Adverse Events

ALKS 5461

Serious events: 47 serious events
Other events: 1124 other events
Deaths: 2 deaths

Serious adverse events

Serious adverse events
Measure
ALKS 5461
n=1485 participants at risk
ALKS 5461 adjunctive treatment
Infections and infestations
Pneumonia
0.13%
2/1485 • Number of events 2 • Up to 56 weeks
Infections and infestations
Sepsis
0.13%
2/1485 • Number of events 2 • Up to 56 weeks
Psychiatric disorders
Depression
0.20%
3/1485 • Number of events 3 • Up to 56 weeks
Psychiatric disorders
Suicidal ideation
0.20%
3/1485 • Number of events 3 • Up to 56 weeks
Gastrointestinal disorders
Colitis
0.13%
2/1485 • Number of events 2 • Up to 56 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Uterine leiomyoma
0.13%
2/1485 • Number of events 2 • Up to 56 weeks
Cardiac disorders
Myocardial infarction
0.13%
2/1485 • Number of events 2 • Up to 56 weeks
Blood and lymphatic system disorders
Anaemia
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Cardiac disorders
Atrial fibrillation
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Cardiac disorders
Cardiac failure congestive
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Cardiac disorders
Sinus tachycardia
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Gastrointestinal disorders
Duodenal ulcer
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Gastrointestinal disorders
Gastric ulcer haemorrhage
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Gastrointestinal disorders
Pancreatitis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Gastrointestinal disorders
Small intestinal obstruction
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
General disorders
Asthenia
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
General disorders
Chest pain
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
General disorders
Pyrexia
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Hepatobiliary disorders
Cholelithiasis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Infections and infestations
Appendicitis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Infections and infestations
Cellulitis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Infections and infestations
Meningitis viral
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Infections and infestations
Osteomyelitis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Infections and infestations
Otitis media
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Infections and infestations
Pyelonephritis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Injury, poisoning and procedural complications
Alcohol poisoning
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Injury, poisoning and procedural complications
Ankle fracture
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Injury, poisoning and procedural complications
Ligament sprain
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Injury, poisoning and procedural complications
Post procedural complication
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Injury, poisoning and procedural complications
Wrist fracture
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Metabolism and nutrition disorders
Diabetic ketoacidosis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Metabolism and nutrition disorders
Malnutrition
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Musculoskeletal and connective tissue disorders
Lumbar spinal stenosis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Breast cancer
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Oesophageal adenocarcinoma
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Seminoma
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Nervous system disorders
Cerebral Haemorrhage
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Pregnancy, puerperium and perinatal conditions
Abortion spontaneous
0.13%
2/1485 • Number of events 2 • Up to 56 weeks
Pregnancy, puerperium and perinatal conditions
Abortion missed
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Pregnancy, puerperium and perinatal conditions
Ectopic pregnancy
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Psychiatric disorders
Major depression
0.13%
2/1485 • Number of events 2 • Up to 56 weeks
Psychiatric disorders
Conversion disorder
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Psychiatric disorders
Mental status changes
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Psychiatric disorders
Psychotic disorder
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Psychiatric disorders
Suicide attempt
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Renal and urinary disorders
Tubulointerstitial nephritis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Reproductive system and breast disorders
Endometriosis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Reproductive system and breast disorders
Menometrorrhagia
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Reproductive system and breast disorders
Menorrhagia
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Reproductive system and breast disorders
Uterine prolapse
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Reproductive system and breast disorders
Vaginal prolapse
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Respiratory, thoracic and mediastinal disorders
Asthma
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Respiratory, thoracic and mediastinal disorders
Pulmonary oedema
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Respiratory, thoracic and mediastinal disorders
Respiratory arrest
0.07%
1/1485 • Number of events 1 • Up to 56 weeks
Vascular disorders
Phlebitis
0.07%
1/1485 • Number of events 1 • Up to 56 weeks

Other adverse events

Other adverse events
Measure
ALKS 5461
n=1485 participants at risk
ALKS 5461 adjunctive treatment
Gastrointestinal disorders
Nausea
21.7%
322/1485 • Number of events 409 • Up to 56 weeks
Gastrointestinal disorders
Constipation
10.2%
151/1485 • Number of events 173 • Up to 56 weeks
Gastrointestinal disorders
Vomiting
7.8%
116/1485 • Number of events 134 • Up to 56 weeks
Gastrointestinal disorders
Dry mouth
5.9%
87/1485 • Number of events 95 • Up to 56 weeks
Nervous system disorders
Headache
10.5%
156/1485 • Number of events 198 • Up to 56 weeks
Nervous system disorders
Dizziness
10.1%
150/1485 • Number of events 179 • Up to 56 weeks
Nervous system disorders
Somnolence
8.4%
124/1485 • Number of events 142 • Up to 56 weeks
Infections and infestations
Upper respiratory tract infection
5.6%
83/1485 • Number of events 98 • Up to 56 weeks
Infections and infestations
Nasopharyngitis
5.4%
80/1485 • Number of events 88 • Up to 56 weeks
Psychiatric disorders
Insomnia
5.5%
81/1485 • Number of events 90 • Up to 56 weeks
General disorders
Fatigue
5.7%
85/1485 • Number of events 91 • Up to 56 weeks

Additional Information

Eva Stroynowski

Alkermes

Phone: 781-609-7000

Results disclosure agreements

  • Principal investigator is a sponsor employee Should an Investigator desire to disclose study results, Sponsor will review the results disclosure prior to public release and can embargo the disclosure for a period of at least 60 days. Revisions to the disclosure will be negotiated in good faith. For a multicenter study the Investigators agree to publish/publicly present the results together with the other sites for the 12 month period after study results are available unless Sponsor grants written permission in advance.
  • Publication restrictions are in place

Restriction type: OTHER