Study Stopped
Sponsor decision. Not related to safety concern.
Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of SAR442501 in Pediatric Participants With Achondroplasia
upreACH-2
A Phase 2, Open-label, Multi-center, 2-stage Sequential Cohort, Dose Escalation Study to Assess the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of Subcutaneous SAR442501 in Pediatric Participants With Achondroplasia
3 other identifiers
interventional
16
5 countries
9
Brief Summary
This is a Phase 2, open-label, multicenter, study to evaluate safety, tolerability and efficacy of SAR442501 in children from birth up to 12 years of age with Achondroplasia.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Oct 2023
Shorter than P25 for phase_2
9 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 20, 2023
CompletedFirst Posted
Study publicly available on registry
October 4, 2023
CompletedStudy Start
First participant enrolled
October 10, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 12, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
February 12, 2025
CompletedFebruary 25, 2025
February 1, 2025
1.3 years
September 20, 2023
February 21, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Number of participants with adverse events (AE), serious adverse events (SAE), and adverse events of special interest (AESI) during the treatment-emergent period
Baseline to Week 52
Secondary Outcomes (31)
Change in annualized growth velocity (AGV) Zscore
Baseline to Week 26 and Week 52
Change in AGV (cm/year)
Baseline to Week 26 and Week 52
Change in height Z score
Baseline to Week 26 and Week 52
Change in upper-to-lower body segment ratio
Baseline to Week 26 and Week 52
Change in upper to lower extremity ratio
Baseline to Week 26 and Week 52
- +26 more secondary outcomes
Study Arms (3)
Cohort 1
EXPERIMENTALCohort 2
EXPERIMENTALCohort 3
EXPERIMENTALInterventions
Eligibility Criteria
You may qualify if:
- Participants must have ACH with a confirmed mutation in the FGFR3 gene
- Participants and/or parent(s) or legal representative(s) must be willing and able to perform all the study procedures to the best of their physical ability.
- Parent(s) or legal representative(s) capable of giving signed informed consent and participants capable of giving assent when applicable.
You may not qualify if:
- Have hypochondroplasia (or the N540K mutation) or short stature condition other than ACH (eg, trisomy 21, pseudochondroplasia)
- Participants have received any dose of medications or investigational product, including human growth hormone, IGF-1, intended to affect participants' stature or body proportions between the completion of OBS16647 and enrollment (Week 0/Day 1/Visit 2).
- Have a history of growth plate closure.
- Long bone fracture within 3 months of enrollment (Week 0/Day 1/Visit 2)
- Current evidence of corneal or retinal disorder/keratopathy.
- Participants have had a previous surgical intervention involving the foramen magnum (Stage 2 only).
- Hyperphosphatemia.
- The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Sanofilead
Study Sites (9)
Investigational Site Number : 0360001
Parkville, Victoria, 3052, Australia
Investigational Site Number : 1560002
Shanghai, 200120, China
Investigational Site Number : 1560001
Wuhan, 430030, China
Investigational Site Number : 3800002
Milan, Lombardy, 20122, Italy
Investigational Site Number : 3800001
Rome, Roma, 00168, Italy
Investigational Site Number : 4100001
Seoul, Seoul-teukbyeolsi, 03080, South Korea
Investigational Site Number : 4100002
Seoul, Seoul-teukbyeolsi, 06351, South Korea
Investigational Site Number : 7240002
Vitoria-Gasteiz, Basque Country, 01008, Spain
Investigational Site Number : 7240001
Esplugues de Llobregat, Catalunya [Cataluña], 08950, Spain
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Clinical Sciences & Operations
Sanofi
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 20, 2023
First Posted
October 4, 2023
Study Start
October 10, 2023
Primary Completion
February 12, 2025
Study Completion
February 12, 2025
Last Updated
February 25, 2025
Record last verified: 2025-02
Data Sharing
- IPD Sharing
- Will share
Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org