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NCT02536755: EXOSKEL

Phase 3b Study to Evaluate Skeletal Response to Eliglustat in Adult Patients Who Completed Phase 2 or Phase 3 Studies

Completed Phase 3 Results posted Last updated 15 July 2022
What this trial tests

Phase 3 trial testing Eliglustat, GZ385660 in Gaucher Disease in 31 participants. Completed in 24 June 2021.

Timeline
27 October 2015
Primary endpoint
24 June 2021
24 June 2021

Quick facts

Lead sponsorGenzyme, a Sanofi Company
PhasePhase 3
StatusCompleted
Study typeINTERVENTIONAL
Allocationna
Designsingle group
Maskingnone
Primary purposetreatment
Enrollment31
Start date27 October 2015
Primary completion24 June 2021
Estimated completion24 June 2021
Sites4 locations across Tunisia, Canada, Russia

Drugs / interventions tested

Conditions studied

Sponsor

Genzyme, a Sanofi Company — full company profile →

Who can join

18 and older, any sex, with Gaucher Disease. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Number of Participants With Mobility Status Assessments at Study Baseline, Weeks 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

Mobility, i.e., ability to walk was assessed as a part of Gaucher disease assessment in participants. In this outcome measure, number of participants with their different mobility status along with the use of mobility aids (unrestricted mobility, walks with difficulty, walks with orthopaedic aid, requires wheelchair, bedridden) at specified time points were reported. Baseline refers to the current study baseline, which was defined as status at this study (EFC13781) entry.

Unrestricted mobility: Study Baseline
GroupValue95% CI
Eliglustat31
Walks with difficulty: Study Baseline
GroupValue95% CI
Eliglustat0
Walks with orthopedic aid: Study Baseline
GroupValue95% CI
Eliglustat0
Requires wheelchair: Study Baseline
GroupValue95% CI
Eliglustat0
Bedridden: Study Baseline
GroupValue95% CI
Eliglustat0
Unrestricted mobility: Week 52
GroupValue95% CI
Eliglustat31
Walks with difficulty: Week 52
GroupValue95% CI
Eliglustat0
Walks with orthopedic aid: Week 52
GroupValue95% CI
Eliglustat0
Number of Participants With Bone Pain Levels During the Past 4 Weeks at Study Baseline, Weeks 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

Bone pain was assessed as a part of Gaucher disease assessment in participants. Participants were categorized as none (no bone pain), very mild bone pain, mild bone pain, moderate bone pain, severe bone pain and extreme bone pain during the past 4 weeks at each specified visit. In this outcome measure, number of participants with different level of bone pain during the past 4 weeks at specified time points were reported. Baseline refers to the current study baseline, which was defined as status at this study (EFC13781) entry.

None: Study Baseline
GroupValue95% CI
Eliglustat28
Very Mild: Study Baseline
GroupValue95% CI
Eliglustat1
Mild: Study Baseline
GroupValue95% CI
Eliglustat1
Moderate: Study Baseline
GroupValue95% CI
Eliglustat1
Severe: Study Baseline
GroupValue95% CI
Eliglustat0
Extreme: Study Baseline
GroupValue95% CI
Eliglustat0
None: Week 52
GroupValue95% CI
Eliglustat29
Very Mild: Week 52
GroupValue95% CI
Eliglustat1
Number of Participants With Bone Crisis at Study Baseline, Weeks 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

Bone crisis was assessed as a part of Gaucher disease assessment in participants. Acute, excruciating episodic bone pain is characteristic of Gaucher bone crisis, which typically causes periosteal elevation, elevated white blood cell count, fever, or debilitation lasting several days or longer and requires treatment with immobilization of the affected area, and opioid analgesics. Participants were categorized as 0= no bone crisis, 1= 1 bone crisis, 2= 2 bone crisis and \>=3 = more than 3 bone crisis during the assessment period. In this outcome measure, number of participants with different bo

Bone Crisis (0): Study Baseline
GroupValue95% CI
Eliglustat31
Bone Crisis (1): Study Baseline
GroupValue95% CI
Eliglustat0
Bone Crisis (2): Study Baseline
GroupValue95% CI
Eliglustat0
Bone Crisis (>=3): Study Baseline
GroupValue95% CI
Eliglustat0
Bone Crisis (0): Week 52
GroupValue95% CI
Eliglustat31
Bone Crisis (1): Week 52
GroupValue95% CI
Eliglustat0
Bone Crisis (2): Week 52
GroupValue95% CI
Eliglustat0
Bone Crisis (>=3): Week 52
GroupValue95% CI
Eliglustat0
Change From Current Study Baseline in Total Bone Marrow Burden (BMB) Scores at Weeks 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

Bone marrow burden (BMB) scores indicate the degree of bone marrow infiltration. BMB score was measured using MRI (magnetic resonance imaging (MRI), ranged from 0 (no abnormalities) to 8 points (severe disease) for the lumbar spine and from 0 (no abnormalities) to 8 points (severe disease) for the femurs. The total BMB score was calculated as the sum of scores for femur and lumbar spine regions which ranged from 0 (no abnormalities) to 16 (severe disease) points. A higher BMB score signified more severe bone marrow involvement. For this outcome measure, baseline refers to the current study bas

Total BMB Score: Study Baseline
GroupValue95% CI
Eliglustat8.6667± 3.3860
Total BMB Score: Week 52
GroupValue95% CI
Eliglustat8.5057± 2.6482
Total BMB Score: Change at Week 52
GroupValue95% CI
Eliglustat-0.0256± 1.6969
Total BMB Score: Week 104
GroupValue95% CI
Eliglustat9.1111± 2.9627
Total BMB Score: Change at Week 104
GroupValue95% CI
Eliglustat1.2639± 2.0897
Total BMB Score: Week 156
GroupValue95% CI
Eliglustat8.7821± 2.6178
Total BMB Score: Change at Week 156
GroupValue95% CI
Eliglustat0.7101± 1.8404
Total BMB Score: Week 208
GroupValue95% CI
Eliglustat8.9067± 2.8844
Change From Eliglustat Baseline in Total Bone Marrow Burden (BMB) Scores at Weeks 52, 104, 156 and 208 Primary · Eliglustat Baseline, Weeks 52, 104, 156 and 208 of the current study

Bone marrow burden (BMB) scores indicate the degree of bone marrow infiltration was measured using MRI, ranged from 0 (no abnormalities) to 8 points (severe disease) for the lumbar spine and from 0 (no abnormalities) to 8 points (severe disease) for the femurs. The total BMB score was calculated as the sum of scores for femur and lumbar spine regions which ranged from 0 (no abnormalities) to 16 (severe disease) points. A higher BMB score signified more severe bone marrow involvement. For this outcome measure, baseline refers to the eliglustat baseline, which was defined as participant's status

Total BMB Score: Eliglustat Baseline
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE10.4286± 2.8146
Eliglustat: Participants From ENCORE6.8333± 2.4114
Total BMB Score: Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE8.4533± 2.7502
Eliglustat: Participants From ENCORE8.8333± 2.1858
Total BMB Score: Change at Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-1.7179± 2.0765
Eliglustat: Participants From ENCORE2.0000± 1.2472
Total BMB Score: Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE8.9420± 3.1537
Eliglustat: Participants From ENCORE10.0833± 1.2874
Total BMB Score: Change at Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.1818± 2.0459
Eliglustat: Participants From ENCORE3.2500± 2.6580
Total BMB Score: Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE8.6250± 2.6600
Eliglustat: Participants From ENCORE10.6667± 0.9428
Total BMB Score: Change at Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-1.2424± 2.3098
Eliglustat: Participants From ENCORE3.3333± 2.3570
Total BMB Score: Week 208
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE8.7879± 3.0334
Eliglustat: Participants From ENCORE9.7778± 1.3878
Change From Current Study Baseline in Total Spine and Femur Bone Mineral Density (BMD) at Weeks 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

Bone Mineral Density (BMD) measurements of the spine and bilateral femur were acquired by dual energy X-Ray absorptiometry (DXA) scan. Worst total femur at Baseline refers to the "worst" diseased left or right femur at Baseline. For this outcome measure, baseline refers to the current study baseline, which was defined as status at this study (EFC13781) entry.

Total Spine BMD: Study Baseline
GroupValue95% CI
Eliglustat1.1449± 0.1236
Total Spine BMD: Week 52
GroupValue95% CI
Eliglustat1.1476± 0.1255
Total Spine BMD: Change at Week 52
GroupValue95% CI
Eliglustat-0.0029± 0.0282
Total Spine BMD: Week 104
GroupValue95% CI
Eliglustat1.1326± 0.1217
Total Spine BMD: Change at Week 104
GroupValue95% CI
Eliglustat-0.0055± 0.0333
Total Spine BMD: Week 156
GroupValue95% CI
Eliglustat1.1373± 0.1173
Total Spine BMD: Change at Week 156
GroupValue95% CI
Eliglustat-0.0007± 0.0484
Total Spine BMD: Week 208
GroupValue95% CI
Eliglustat1.1236± 0.1146
Change From Eliglustat Baseline in Total Spine and Femur Bone Mineral Density (BMD) at Weeks 52, 104, 156 and 208 Primary · Eliglustat Baseline, Weeks 52, 104, 156 and 208 of the current study

BMD measurements of the spine and bilateral femur were acquired by DXA scan. Worst total femur at Baseline refers to the "worst" diseased left or right femur at baseline. For this outcome measure, baseline refers to the eliglustat baseline, which was defined as participant's status at the time of first dose of eliglustat in the previous Phase 2 or Phase 3 study.

Total Spine BMD: Eliglustat Baseline
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE1.0757± 0.1322
Eliglustat: Participants From ENCORE1.1350± 0.0896
Total Spine BMD: Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE1.1495± 0.1307
Eliglustat: Participants From ENCORE1.1245± 0.0035
Total Spine BMD: Change at Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.0582± 0.0656
Eliglustat: Participants From ENCORE0.0195± 0.0530
Total Spine BMD: Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE1.1280± 0.1216
Eliglustat: Participants From ENCORE1.1615± 0.1371
Total Spine BMD: Change at Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.0600± 0.0633
Eliglustat: Participants From ENCORE0.0265± 0.0617
Total Spine BMD: Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE1.1354± 0.1153
Eliglustat: Participants From ENCORE1.1498± 0.1480
Total Spine BMD: Change at Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.0712± 0.0718
Eliglustat: Participants From ENCORE0.0148± 0.0692
Total Spine BMD: Week 208
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE1.1168± 0.1120
Eliglustat: Participants From ENCORE1.1757± 0.1466
Change From Current Study Baseline in Spine and Femur Total T-Scores for BMD at Weeks 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

BMD measurements of the spine and bilateral femur were acquired by DXA scan. The T-score bone density categories were: normal (score \>-1), osteopenia (score -2.5 to \<=-1), and osteoporosis (score \<= -2.5). Worst total femur at Baseline refers to the "worst" diseased left or right femur at baseline. For this outcome measure, baseline refers to the current study baseline, which was defined as status at this study (EFC13781) entry.

Total Spine T-score: Study Baseline
GroupValue95% CI
Eliglustat-0.4413± 0.9782
Total Spine T-score: Week 52
GroupValue95% CI
Eliglustat-0.4362± 1.0155
Total Spine T-score: Change at Week 52
GroupValue95% CI
Eliglustat-0.0250± 0.2356
Total Spine T-score: Week 104
GroupValue95% CI
Eliglustat-0.5566± 0.9522
Total Spine T-score: Change at Week 104
GroupValue95% CI
Eliglustat-0.0479± 0.2751
Total Spine T-score: Week 156
GroupValue95% CI
Eliglustat-0.5152± 0.9075
Total Spine T-score: Change at Week 156
GroupValue95% CI
Eliglustat-0.0066± 0.4013
Total Spine T-score: Week 208
GroupValue95% CI
Eliglustat-0.6238± 0.9015
Change From Eliglustat Baseline in Spine and Femur Total T-Scores for BMD at Weeks 52, 104, 156 and 208 Primary · Eliglustat Baseline, Weeks 52, 104, 156 and 208 of the current study

BMD measurements of the spine and bilateral femur were acquired by DXA scan. The T-score bone density categories were: normal (score \>-1), osteopenia (score -2.5 to \<=-1), and osteoporosis (score \<= -2.5). Worst total femur at Baseline refers to the "worst" diseased left or right femur at baseline. For this outcome measure, baseline refers to the eliglustat baseline, which was defined as participant's status at the time of first dose of eliglustat in the previous Phase 2 or Phase 3 study.

Total Spine T-score: Eliglustat Baseline
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.9381± 1.0443
Eliglustat: Participants From ENCORE-0.3000± 0.8485
Total Spine T-score: Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.4063± 1.0530
Eliglustat: Participants From ENCORE-0.7950± 0.0354
Total Spine T-score: Change at Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.5126± 0.5622
Total Spine T-score: Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.5808± 0.9512
Eliglustat: Participants From ENCORE-0.4050± 1.0898
Total Spine T-score: Change at Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.5215± 0.5229
Eliglustat: Participants From ENCORE0.5200± 0.5657
Total Spine T-score: Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.5172± 0.8875
Eliglustat: Participants From ENCORE-0.5025± 1.1771
Total Spine T-score: Change at Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.6150± 0.6000
Eliglustat: Participants From ENCORE0.4300± 0.7495
Total Spine T-score: Week 208
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.6570± 0.8823
Eliglustat: Participants From ENCORE-0.3700± 1.2194
Change From Current Study Baseline in Spine and Femur Total Z-Scores for BMD at Weeks 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

BMD measurements of the spine and bilateral femur were acquired by DXA scan. The Z-score bone density categories were: normal (score \>-2) and below normal (score \<=-2). Worst total femur at Baseline refers to the "worst" diseased left or right femur at baseline. For this outcome measure, baseline refers to the current study baseline, which was defined as status at this study (EFC13781) entry.

Total Spine Z-score: Study Baseline
GroupValue95% CI
Eliglustat-0.3687± 0.8529
Total Spine Z-score: Week 52
GroupValue95% CI
Eliglustat-0.3338± 0.8597
Total Spine Z-score: Change at Week 52
GroupValue95% CI
Eliglustat-0.0092± 0.2405
Total Spine Z-score: Week 104
GroupValue95% CI
Eliglustat-0.4555± 0.8522
Total Spine Z-score: Change at Week 104
GroupValue95% CI
Eliglustat-0.0245± 0.2945
Total Spine Z-score: Week 156
GroupValue95% CI
Eliglustat-0.4034± 0.8464
Total Spine Z-score: Change at Week 156
GroupValue95% CI
Eliglustat0.0276± 0.4275
Total Spine Z-score: Week 208
GroupValue95% CI
Eliglustat-0.5035± 0.8289
Change From Eliglustat Baseline in Spine and Femur Total Z-Scores for BMD at Weeks 52, 104, 156 and 208 Primary · Eliglustat Baseline, Weeks 52, 104, 156 and 208 of the current study

BMD measurements of the spine and bilateral femur were acquired by DXA scan. The Z-score bone density categories are: normal (score \>-2) and below normal (score \<=-2). Worst total femur at Baseline refers to the "worst" diseased left or right femur at baseline. For this outcome measure, baseline refers to the eliglustat baseline, which was defined as participant's status at the time of first dose of eliglustat in the previous Phase 2 or Phase 3 study.

Total Spine Z-score: Eliglustat Baseline
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.8826± 0.9824
Eliglustat: Participants From ENCORE-0.5750± 0.6185
Total Spine Z-score: Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.2954± 0.8851
Eliglustat: Participants From ENCORE-0.7950± 0.0354
Total Spine Z-score: Change at Week 52
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.5030± 0.4230
Eliglustat: Participants From ENCORE0.0550± 0.3889
Total Spine Z-score: Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.4636± 0.8357
Eliglustat: Participants From ENCORE-0.4050± 1.0898
Total Spine Z-score: Change at Week 104
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.5186± 0.4578
Eliglustat: Participants From ENCORE0.1700± 0.5553
Total Spine Z-score: Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.3876± 0.8129
Eliglustat: Participants From ENCORE-0.5025± 1.1771
Total Spine Z-score: Change at Week 156
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE0.6276± 0.5671
Eliglustat: Participants From ENCORE0.0725± 0.6233
Total Spine Z-score: Week 208
GroupValue95% CI
Eliglustat: Participants From Phase 2, ENGAGE and EDGE-0.5209± 0.8017
Eliglustat: Participants From ENCORE-0.3700± 1.2194
Total Number of New or Worsening Osteonecrosis Events for Spine and Femur at Study Baseline, Week 52, 104, 156 and 208 Primary · Study Baseline, Weeks 52, 104, 156 and 208

Osteonecrosis was assessed by bone MRI and X-Ray for spine and by MRI for femur. Total number of new or worsening osteonecrosis events among all the participants with corresponding assessment at specified time points were reported in this outcome measure. For this outcome measure, baseline refers to the current study baseline, which was defined as status at this study (EFC13781) entry.

Spine Osteonecrosis (MRI): Study Baseline
GroupValue95% CI
Eliglustat0.00000.000 – 0.000
Spine Osteonecrosis (MRI): Week 52
GroupValue95% CI
Eliglustat0.00000.000 – 0.000
Spine Osteonecrosis (MRI): Week 104
GroupValue95% CI
Eliglustat0.00000.000 – 0.000
Spine Osteonecrosis (MRI): Week 156
GroupValue95% CI
Eliglustat0.00000.000 – 0.000
Spine Osteonecrosis (MRI): Week 208
GroupValue95% CI
Eliglustat0.00000.000 – 0.000
Spine Osteonecrosis (X-ray): Study Baseline
GroupValue95% CI
Eliglustat0.00000.000 – 0.000
Spine Osteonecrosis (X-ray): Week 104
GroupValue95% CI
Eliglustat0.00000.000 – 0.000
Spine Osteonecrosis (X-ray): Week 208
GroupValue95% CI
Eliglustat0.00000.000 – 0.000

Adverse events — posted to ClinicalTrials.gov

Time frame: Time from the first administration of the IMP to the last administration of the IMP + 5 days (up to 4 years, or until commercial eliglustat was available to participants through reimbursement or through the compassionate use [expanded access] program). Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Eliglustat
Serious: 4/31 (13%)
Deaths: 0/31

Serious adverse events (5 terms)

ReactionSystemEliglustat
Pulmonary TuberculosisInfections and infestations
Meniscus InjuryInjury, poisoning and procedural complications
Bone PainMusculoskeletal and connective tissue disorders
Ovarian CystReproductive system and breast disorders
Uterine PolypReproductive system and breast disorders
Other adverse events (8 terms — click to expand)

ReactionSystemEliglustat
PregnancyPregnancy, puerperium and perinatal conditions
Iron Deficiency AnaemiaBlood and lymphatic system disorders
ToothacheGastrointestinal disorders
Human Chorionic Gonadotropin IncreasedInvestigations
ArthralgiaMusculoskeletal and connective tissue disorders
Intervertebral Disc ProtrusionMusculoskeletal and connective tissue disorders
OsteopeniaMusculoskeletal and connective tissue disorders
Spinal PainMusculoskeletal and connective tissue disorders

Most-reported serious reactions: Pulmonary Tuberculosis, Meniscus Injury, Bone Pain, Ovarian Cyst, Uterine Polyp.

Data from ClinicalTrials.gov NCT02536755 adverse events section.

Sponsor's own description

Primary Objective: Evaluate long term skeletal response to eliglustat in adult participants who successfully completed one of the Phase 2 or Phase 3 eliglustat studies. Secondary Objective: Evaluate the safety of eliglustat (by serious adverse event continuous monitoring), the quality of life (Short Form-36 Health Survey \[SF-36\]) and biomarkers of Gaucher disease type 1 (GD1) (chitotriosidase, plasma glucosylceramide \[GL-1\] and lyso glucosylceramide \[lyso-GL-1\]) in adult participants who successfully completed one of the Phase 2 or Phase 3 studies.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

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