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An exploratory clinical trial to Investigate the efficacy and safety of Meclizine hydrochloride in Achondroplasia patients (pediatrics).

An exploratory clinical trial to Investigate the efficacy and safety of Meclizine hydrochloride in Achondroplasia patients (pediatrics). - MACH trial

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2041230001
Enrollment
9
Registered
2023-04-03
Start date
2023-05-15
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Achondroplasia FGFR3, Short stature

Interventions

Administered MECLIZIN oraly once a daily for 26 weeks.

Sponsors

Matsushita Masaki
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients who have been confirmed to Definite or Probable among the achondroplasia diagnostic criteria created by the Intractable Diseases Research Group of the Ministry of Health, Labor and Welfare more than one year before obtaining consent. 2) Patients whose age at the time of obtaining consent is 5 to 11 years old. 3)Patients with documented height data between 12 and 3 months prior to enrollment

Exclusion criteria

Exclusion criteria: 1) Patients who started treatment with a growth hormone preparation within 1.5 years (78 weeks) before obtaining informed consent 2) Patients who have been treated with drugs (CNP analogues, statins, etc.) for which basic or clinical data have been reported to suppress FGFR3 signals within 1 year before obtaining informed consent 3) Patients who have taken medicines such as motion sickness medicines containing meclizine hydrochloride continuously for more than 2 weeks within 1 year before obtaining informed consent, expecting bone lengthening effects. 4) Patients who have undergone bone lengthening surgery within 1 year or patients who are planning to perform bone lengthening surgery during the study drug administration period 5)Pregnant, lactating, or potentially pregnant female patients, or both male and female patients who cannot agree to use contraception during the study period under the guidance of the princepal investigator or subinvestigator.

Design outcomes

Primary

MeasureTime frame
Safety: Safety data for 7 months from the first treatment Efficacy: Growth rate

Contacts

Public ContactYuichi Kato

Nagoya University Hospital

kato.yuichi.y8@f.mail.nagoya-u.ac.jp+81-52-744-2942

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026