Trial Outcomes & Findings for Safety and Efficacy Study of Antisense Oligonucleotides in Duchenne Muscular Dystrophy (NCT NCT00159250)

NCT ID: NCT00159250

Last Updated: 2019-12-05

Results Overview

Number of Subjects with Treatment Emergent Adverse Events (TEAEs) and Serious TEAEs

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

7 participants

Primary outcome timeframe

Baseline up to Day 120

Results posted on

2019-12-05

Participant Flow

Participant milestones

Participant milestones
Measure
Low Dose AVI-4658
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Overall Study
STARTED
2
5
Overall Study
COMPLETED
2
5
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Low Dose AVI-4658
n=2 Participants
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 Participants
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Total
n=7 Participants
Total of all reporting groups
Age, Categorical
<=18 years
2 Participants
n=2 Participants
5 Participants
n=5 Participants
7 Participants
n=7 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=2 Participants
0 Participants
n=5 Participants
0 Participants
n=7 Participants
Age, Categorical
>=65 years
0 Participants
n=2 Participants
0 Participants
n=5 Participants
0 Participants
n=7 Participants
Age, Continuous
14.5 years
n=2 Participants
11.8 years
n=5 Participants
13.1 years
n=7 Participants
Sex: Female, Male
Female
0 Participants
n=2 Participants
0 Participants
n=5 Participants
0 Participants
n=7 Participants
Sex: Female, Male
Male
2 Participants
n=2 Participants
5 Participants
n=5 Participants
7 Participants
n=7 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United Kingdom
2 participants
n=2 Participants
5 participants
n=5 Participants
7 participants
n=7 Participants
Mobility
Wheelchair for 11 years
1 Participants
n=2 Participants
0 Participants
n=5 Participants
1 Participants
n=7 Participants
Mobility
Wheelchair for 10 years; rides static bike for 10
1 Participants
n=2 Participants
0 Participants
n=5 Participants
1 Participants
n=7 Participants
Mobility
Wheelchair for 10 years
0 Participants
n=2 Participants
1 Participants
n=5 Participants
1 Participants
n=7 Participants
Mobility
Walks indoors
0 Participants
n=2 Participants
1 Participants
n=5 Participants
1 Participants
n=7 Participants
Mobility
Walks unaided
0 Participants
n=2 Participants
3 Participants
n=5 Participants
3 Participants
n=7 Participants

PRIMARY outcome

Timeframe: Baseline up to Day 120

Number of Subjects with Treatment Emergent Adverse Events (TEAEs) and Serious TEAEs

Outcome measures

Outcome measures
Measure
Low Dose AVI-4658
n=2 Participants
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 Participants
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Number of Participants With Adverse Events Related to AVI-4568
0 Participants
0 Participants

PRIMARY outcome

Timeframe: From the Day of Screening to Day 3

Outcome measures

Outcome measures
Measure
Low Dose AVI-4658
n=2 Participants
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 Participants
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Number of Participants With Injection Site Reactions
2 Participants
4 Participants

PRIMARY outcome

Timeframe: From the Day of Screening up to Day 28

Assessed by light microscopy and immunocytochemistry to detect the differences in inflammatory infiltrates between the AVI-4568 and placebo-treated EDB muscles

Outcome measures

Outcome measures
Measure
Low Dose AVI-4658
n=2 Participants
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 Participants
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Number of Subjects With Clinically Significant Change From Baseline in Laboratory Values
0 Participants
0 Participants

SECONDARY outcome

Timeframe: Day 14 to Day 28

Induced Skipping of Exon 51 in the Treated Extensor Digitorum Brevis (EDB) Muscle Determined by Reverse Transcription Polymerase Chain Reaction was assessed by Sequencing of the RT-PCR products

Outcome measures

Outcome measures
Measure
Low Dose AVI-4658
n=2 Participants
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 Participants
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Number of Participants With Induced Skipping of Exon 51 in the Treated Extensor Digitorum Brevis (EDB) Muscle Determined by Reverse Transcription Polymerase Chain Reaction
2 Participants
5 Participants

SECONDARY outcome

Timeframe: Day 14 to Day 28

Outcome measures

Outcome measures
Measure
Low Dose AVI-4658
n=2 Participants
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 Participants
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Number of Participants With Restoration of Dystrophin Protein Expression Measured by Immunocytochemistry
0 Participants
5 Participants

SECONDARY outcome

Timeframe: Day 14 to Day 28

Outcome measures

Outcome measures
Measure
Low Dose AVI-4658
n=2 Participants
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 Participants
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Number of Participants With Restoration of Dystrophin Protein Expression Measured by Western Blot Analysis
0 Participants
5 Participants

Adverse Events

Low Dose AVI-4658

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

High Dose AVI-4658

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Low Dose AVI-4658
n=2 participants at risk
Low dose of AVI-4658 0.09 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
High Dose AVI-4658
n=5 participants at risk
High dose of AVI-4658 0.9 mg doses were diluted in 900 μL normal saline (0·9%) and injected to the extensor digitorum brevis (EDB) muscle
Skin and subcutaneous tissue disorders
Bilateral erythema
100.0%
2/2 • Number of events 2 • 120 days
20.0%
1/5 • Number of events 1 • 120 days
Skin and subcutaneous tissue disorders
Ecchymosis
50.0%
1/2 • Number of events 1 • 120 days
60.0%
3/5 • Number of events 4 • 120 days
Immune system disorders
Myoglobinuria
0.00%
0/2 • 120 days
60.0%
3/5 • Number of events 3 • 120 days
Skin and subcutaneous tissue disorders
Bilateral oedema
50.0%
1/2 • Number of events 1 • 120 days
0.00%
0/5 • 120 days
Cardiac disorders
Decline in cardiac function
50.0%
1/2 • Number of events 1 • 120 days
0.00%
0/5 • 120 days

Additional Information

Francesco Muntoni

Imperial College London

Phone: +44 02075941872

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place