Phase II doubleblind exploratory study of GSK2402968 in ambulant subjects with Duchenne muscular dystrophy
Trial overview
Mean change from Baseline in muscle function using 6 Minute Walking Distance (6MWD) test assessed at Week 25
Timeframe: Baseline and at Week 25
Mean change from Baseline in Rise from Floor Time
Timeframe: Baseline and up to Week 49
Number of participants with shift from Baseline between grade 3 to 6 with Respect to Grading for Rise from Floor
Timeframe: Up to Week 49
Mean change from Baseline in 10 Meter Walk/Run Test
Timeframe: Baseline and up to Week 49
Number of participants with shifts from Baseline with Respect to Grading for 10 Meter Walk/Run Grading
Timeframe: Up to Week 49
Mean change from Baseline in 4 Stair Climb - Ascent and Descent Time
Timeframe: Baseline and up to Week 49
Number of participants with shifts from Baseline with Respect to Grading for 4 Stair Climb - Ascent and Descend Grading
Timeframe: Up to Week 49
Mean change from Baseline in Muscle Strength Total Score
Timeframe: Baseline and up to Week 49
Mean change from Baseline in North Star Ambulatory Assessment (NSAA) Total Score
Timeframe: Baseline and up to Week 49
Mean change from Baseline in Creatine Kinase (CK) Serum Concentration
Timeframe: Baseline and up to Week 49
Mean change from Baseline in forced vital capacity (FVC) and forced expiratory volume in the first second of exhalation (FEV1)
Timeframe: Baseline and up to Week 49
Mean change from Baseline in predicted normal FVC and predicted normal FEV1
Timeframe: Baseline and up to Week 49
Mean change from Baseline in maximum expiratory pressure (MEP) and maximum inspiratory pressure (MIP)
Timeframe: Baseline and up to Week 49
Mean change from Baseline in peak expiratory flow (PEF) rate and peak cough flow (PCF)
Timeframe: Baseline and up to Week 49
Median time to loss of ambulation
Timeframe: Up to Week 49
Number of Participants with Change in Dystrophin Expression
Timeframe: Up to week 25
Number of Accidental Falls during 6MWD Assessment
Timeframe: Up to Week 49
Number of participants with adverse events (AEs) and Serious AEs (SAEs)
Timeframe: Up to Week 69
Number of participants with AEs by maximum intensity
Timeframe: Up to Week 69
Mean change from Baseline in height at Week 49
Timeframe: Baseline and Week 49
Mean change from Baseline in weight at Week 49
Timeframe: Baseline and Week 49
Mean change from Baseline in body mass index (BMI) at Week 49
Timeframe: Baseline and Week 49
Mean reaction size of participant's maximum injection site
Timeframe: Up to Week 49
Number of participants with Systolic and diastolic blood pressure (BP) of potential clinical concern (PCC) at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with change from Baseline values of systolic and diastolic BP of PCC at any visit post Baseline.
Timeframe: Up to Week 49
Number of participants with heart rate of PCC at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with change from Baseline values of PCC for heart rate at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with abnormal clinically significant electrocardiogram (ECG) findings at Week 49
Timeframe: Week 49
Number of participants with PCC hematology data outside the reference range at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with PCC clinical chemistry data outside the reference range at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with PCC activated partial thromboplastin time (aPTT) time outside the reference range at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with abnormal cystatin C at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with abnormal Complement component 3 at any visit post Baseline
Timeframe: Up to Week 49
Number of participants with abnormal haptoglobulin
Timeframe: Up to Week 49
Number of participants with abnormal fibrinogen
Timeframe: Up to Week 49
Number of participants with abnormal C-reactive protein (CRP)
Timeframe: Up to Week 49
Number of participants with abnormal quantitative urinalysis data at any visit post-Baseline
Timeframe: Up to Week 49
Change from Baseline in urine cystatin C value at Week 49
Timeframe: Baseline and Week 49
Change from Baseline in Urine Kidney Injury Molecule 1 (KIM 1) at Week 49
Timeframe: Baseline and Week 49
Number of participants with abnormal echocardiogram values at any visit post Baseline
Timeframe: Baseline and up to Week 49
Area under concentration-time curve from time zero (pre-dose) to last time of quantifiable concentration [AUC (0-t)] and 24 hours post dose [AUC (0-24)] at Week 29
Timeframe: Pre-dose, 0.5, 2, 4, 9, 12 and 24 hours postdose at Week 29 and between 48 and 60 hours post-dose
The observed maximum plasma concentration (Cmax) at Week 29
Timeframe: Pre-dose, 0.5, 2, 4, 9, 12 and 24 hours postdose at Week 49 and between 48 and 60 hours post-dose
Time of the observed maximum plasma concentration (tmax) at Week 29
Timeframe: Pre-dose, 0.5, 2, 4, 9, 12 and 24 hours postdose at Week 29 and between 48 and 60 hours post-dose
Number of participants with pharmacogenetic analysis.
Timeframe: Day 1
- Ambulant subjects with Duchenne muscular dystrophy resulting from a mutation
- in the DMD gene, confirmed by a state-of-the-art DNA diagnostic technique
- any additional missing exon for DMD
- Current of history of liver or renal disease or impairment
- Ambulant subjects with Duchenne muscular dystrophy resulting from a mutation in the DMD gene, confirmed by a state-of-the-art DNA diagnostic technique covering all DMD gene exons, including but not limited to MLPA (Multiplex Ligation-dependent Probe Amplification), CGH (Comparative Genomic Hybridisation) or H-RMCA (High-Resolution Melting Curve Analysis), and correctable by GSK2402968-induced DMD exon 51 skipping,
- Males, at least 5 years of age and with a life expectancy of at least 1 year
- Able to rise from floor in ≤7 seconds (without aids/orthoses),
- Able to complete the 6MWD test with a distance of at least 75m
- Receiving glucocorticoids for a minimum of 6 months immediately prior to screening, with no significant change in total daily dosage or dosing regimen for a minimum of 3 months immediately prior to screening and a reasonable expectation that total daily dosage and dosing regimen will not change significantly for the duration of the study
- QTc <450msec
- On adequate contraception
- Able to comply with and complete all protocol requirements
- any additional missing exon for DMD
- Current of history of liver or renal disease or impairment
- Acute illness within 4 weeks of the first dose
- Use of prohibited meds within 6 months of fist dose
- Current participation in any other investigational clinical trial
- Positive hepatitis B surface antigen, hepatitis C antibody test, or human immunodeficiency virus (HIV) test at screening
- Symptomatic cardiomyopathy
- Children in Care
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.