drugset / Trial / NCT04638153

A Study Of Safety, Tolerability And Effectiveness Of Recifercept In Children With Achondroplasia

NCT04638153 ↗

Phase 2 Terminated 60 enrolled Pfizer
RandomizedParallel-groupSingle-blindPrevention

Summary

Approximately 63 participants will be randomized to one of three doses to receive Recifercept either * Low Dose * Medium Dose * High Dose Participants will will attend the clinic at baseline and at Day 1, 4, 8, 15, 29 \& then Month 2, 3 6, 9 \& 12. Assessments include safety, blood sampling, physical examination, vital signs, anthropometric body measurements \& patient/caregiver quality of life questionnaires Participants will received treatment with Recifercept for 12 months. All participants who complete the study and in the opinion of the investigator, continue to have a positive risk:benefit profile, will be offered to enroll into an open-label extension (OLE) study. A PK cohort will include 12 participants who will randomly receive a single dose of 3 mg/kg of Phase 2 study (process 1c) formulation and a single dose of 3 mg/kg of the proposed Phase 3 (process 2) study formulation in a cross over study. Dose of the cohort could be changed due to emerging safety and efficacy data in the study.

Timeline

Start
2020-12-02
Primary completion
2023-01-16
Completion
2023-03-27

Outcome

Outcome not reported

Stopped: “The study was terminated due to lack of efficacy at any of the tested doses on 18th November 2022. The decision to terminate the study is not related to a safety concern.”

Drugs

EvaluationDrugModalityDoseRoute
Subject Recifercept Protein / enzyme biologic 3 mg/kg —

Indications