24-Week Study to Assess the PD, Safety, Tolerability, and PK of GLM101 in Participants With PMM2-CDG (NCT05549219) | Clinical Trial Compass
CompletedPhase 2
24-Week Study to Assess the PD, Safety, Tolerability, and PK of GLM101 in Participants With PMM2-CDG
United States, Spain, United Kingdom27 participantsStarted 2022-11-29
Plain-language summary
This is a Phase 2, randomized, open-label, 24-week treatment study to evaluate the potential pharmacodynamic (PD) activity, safety, tolerability, and pharmacokinetics (PK) of GLM101 in adult, adolescent, and pediatric, patients with a confirmed diagnosis of PMM2-CDG. The planned doses of GLM101 to be investigated are 10, 20, and 30 mg/kg. The study will consist of a Screening Period, a 24-week (6-month) Treatment Period, and a 30-day (1-month) Follow-Up Period.
Who can participate
Age range2 Years – 65 Years
SexALL
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Inclusion Criteria:
* Is male or female, 18 to 65 years of age, inclusive, at Screening (Cohorts 1-3, 7), 12-17 years of age, inclusive, at Screening (Cohort 4) or 2-11 years of age, inclusive, at Screening (Cohorts 5 and 6);
* Molecularly confirmed diagnosis of PMM2-CDG. Diagnosis is defined as biallelic pathogenic and/or likely pathogenic variants, or, in the case of variants of uncertain pathogenicity, demonstration of bi-allelic variants AND phosphomannomutase-2 (PMM2) enzyme activity consistent with a diagnosis of PMM2-CDG. Historical diagnosis with lab report(s) on file is permitted;
* If the participant is a female of childbearing potential (i.e. fertile, following menarche and until becoming post-menopausal unless permanently sterile (permanent sterilization methods include hysterectomy, bilateral salpingectomy and bilateral oophorectomy)) she must not be pregnant (confirmed by a negative serum pregnancy test), is using a medically accepted method of contraception (abstinence, a hormonal contraceptive associated with inhibition of ovulation in conjunction with a barrier method, or use of an intrauterine device), and must agree to continue using this method for 50 days after the last infusion of GLM101; Note: sexual abstinence is considered a highly effective method only if defined as refraining from heterosexual intercourse during the entire period of risk associated with the study treatments. The reliability of sexual abstinence needs to be evaluated in relation to …