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Eliglustat GZ385660

Phase 3

Gaucher's Disease Type I | Small molecule | Rare Disease |Sanofi|Last Updated: Jun 16, 2026

Success Probability

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Trial Design

CONTROLLEDDMC
Total Trials1
Total Enrollment57

FDA Designations

No designations recorded

Clinical trial landscape

Eliglustat GZ385660 · 1 trial · 2 indications

Phase 3 1
NCT03485677Safety and Efficacy of Eliglustat With or Without Imiglucerase in Pediatric Patients With Gaucher Disease (GD) Type 1 and Type 3Gaucher's Disease Type I
COMPLETED57 Analytics
PHASE3COMPLETED
Safety and Efficacy of Eliglustat With or Without Imiglucerase in Pediatric Patients With Gaucher Disease (GD) Type 1 and Type 3
Gaucher's Disease Type IUnlock trial analytics

Study Endpoints

Primary Endpoints

Assessment of pharmacokinetic (PK) parameter of eliglustat: Cmax
Weeks 2, 13, 26 and 52

Maximum concentration (Cmax) of eliglustat in plasma

Assessment of PK parameter of eliglustat: AUC
Weeks 2 and 52

Area under the plasma eliglustat concentration-time curve (AUC)

Adverse Events
Up to Week 364

Number of adverse events in pediatric patients

Secondary Endpoints

Change in hemoglobin level
Baseline and Week 52
Change in platelet count
Baseline and Week 52
Change in liver volume
Baseline and Week 52
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Cohort 1: Eliglustat monotherapyEXPERIMENTALEliglustat for at least two years. Cohort 1 patients that experience significant clinical decline will receive rescue treatment. Rescue Treatment Step 1: Switch from eliglustat to imiglucerase monotherapy. Rescue Treatment Step 2: Patients who after 6 months of rescue therapy with imiglucerase monotherapy do not show improvement in the parameter(s) that led to the switch from eliglustat to imiglucerase, will then receive combination therapy with eliglustat + imiglucerase.
Cohort 2: Eliglustat plus imigluceraseEXPERIMENTALEliglustat plus imiglucerase for three years, at the dose of enzyme replacement therapy received before enrollment. After Week 52, Cohort 2 patients will switch to eliglustat monotherapy for the remainder of the study if the desired clinical response has been achieved.

Interventions

NameTypeDescription
Eliglustat GZ385660DRUGPharmaceutical form: Capsule, Liquid Route of administration: Oral
Imiglucerase GZ437843DRUGPharmaceutical form: Powder for solution for infusion Route of administration: Intravenous
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Eligibility Criteria

Age Range2 Years to 17 Years
SexALL
Healthy VolunteersNo
Study Sites21

Inclusion criteria : * The participant were 2 to \<18 years old at the time of informed consent. * Male and female participants with a clinical diagnosis of Gaucher disease (GD) type 1 or type 3 with documented deficiency of acid beta-glucosidase activity by enzyme assay and glucocerebrosidase (GBA...

Countries:ArgentinaCanadaFranceItalyJapanRussiaSpainSwedenTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)

MEDIUMJul 17, 2026NCT03485677TRIAL_REMOVED: changed
MEDIUMJul 17, 2026NCT03485677TRIAL_REMOVED: changed
MEDIUMJul 17, 2026NCT03485677TRIAL_REMOVED: changed

Frequently asked questions about Eliglustat GZ385660

What is Eliglustat GZ385660 used for?

Eliglustat GZ385660 is an investigational small molecule being studied for the treatment of Gaucher's Disease Type I, a rare genetic disorder. It is currently in Phase 3 clinical development and has not been approved by regulatory authorities.

Who makes Eliglustat GZ385660?

Eliglustat GZ385660 is being developed by Sanofi, a multinational pharmaceutical company listed on the stock exchange under the ticker SNY. The drug is in Phase 3 clinical development for Gaucher's Disease Type I.

What phase is Eliglustat GZ385660 in?

Eliglustat GZ385660 is in Phase 3 clinical development. It is an investigational drug and has not been approved for marketing. One Phase 3 clinical trial has been completed, with no active trials currently ongoing.

What clinical trials is Eliglustat GZ385660 in?

Eliglustat GZ385660 has been studied in one completed Phase 3 clinical trial, identified as NCT03485677. This trial evaluated the safety and efficacy of eliglustat with or without imiglucerase in pediatric patients with Gaucher Disease Type 1 and Type 3, enrolling 57 participants.

Is Eliglustat GZ385660 the same as eliglustat?

Eliglustat GZ385660 is a specific designation of eliglustat, a small molecule drug being developed by Sanofi. It is being studied for Gaucher's Disease Type I and is currently in Phase 3 clinical development.