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Long-term Efficacy and Safety of Lamazym for the Treatment of Patients With Alpha-Mannosidosis

Phase 2
Completed
Conditions
Alpha-Mannosidosis
Interventions
Registration Number
NCT01681940
Lead Sponsor
Zymenex A/S
Brief Summary

The overall objective is to evaluate the long-term efficacy, safety and tolerability of repeated Lamazym i.v. treatment in patients 5-21 years of age with alpha-Mannosidosis

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
10
Inclusion Criteria
  • The subject must have participated in the phase 1 trial (EudraCT number: 2010-022084-36) and phase 2a trial (EudraCT number: 2010-022085-26)
  • Subject or subjects legally authorized guardian(s) must provide signed, informed consent prior to performing any trial-related activities (trial-related activities are any procedures that would not have been performed during normal management of the subject)
  • The subject and his/her guardian(s) must have the ability to comply with the protocol
Exclusion Criteria
  • The subject cannot walk without support
  • Presence of known chromosomal abnormality and syndromes affecting psychomotor development, other than alpha-Mannosidosis
  • History of bone marrow transplantation
  • Presence of known clinically significant cardiovascular, hepatic, pulmonary or renal disease or other medical conditions that, in the opinion of the Investigator, would preclude participation in the trial
  • Any other medical condition or serious intercurrent illness, or extenuating circumstance that, in the opinion of the investigator, would preclude participation in the trial.
  • Pregnancy: Before the start of the treatment the investigators will decide whether or not there is a need for contraception. This assessment will be done through interviews with the patient and parents. The evaluation will be done continuously during the study
  • Psychosis within the last 3 months
  • Planned major surgery that, in the opinion of the investigator, would preclude participation in the trial
  • Participation in other interventional trials testing IMP except for studies with Lamazym

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
LamazymLamazym1 mg/kg body weight
Primary Outcome Measures
NameTimeMethod
Reduction of Oligosaccharides in blood serum6 months

Efficacy endpoint evaluation as change from baseline

Secondary Outcome Measures
NameTimeMethod
Reduction of Oligosaccharides in CSF6 months

Efficacy endpoint evaluation as change from baseline

Adverse events1 week

Safety endpoint assesed weekly throughout the trial

Development of clinically significant changes in the clinical laboratory parameters (hematology, biochemistry and urinalysis)1 week

Safety endpoint assesed weekly throughout the trial

The number of steps climbed in 3 minutes (3-minute stair climb)6 months

Efficacy endpoint evaluation as change from baseline

The distance walked in 6 minutes (6-minute walk test)6 months

Efficacy endpoint evaluation as change from baseline

Development of clinically significant changes in vital signs and change in physical examination1 week

Safety endpoint assesed weekly throughout the trial

Pulmonary function6 months

Efficacy endpoint evaluation as change from baseline

Development of rhLAMAN antibodies and neutralizing/inhibitory antibodies1 week

Safety endpoint assesed weekly throughout the trial

Trial Locations

Locations (4)

Center for Metabolic Diseases, Department of Clinical Genetics, Juliane Marie Centre, Copenhagen University Hospital, Blegdamsvej 9

🇩🇰

Copenhagen, Denmark

Kinderneurologie Metabole Ziekten, UZ Brussel, Laarbeeklaan 101

🇧🇪

Brussel, Belgium

Servicio de Pediatría, Hospital Materno Infantil, Reina Sofía, Avda Menéndez Pidal sn

🇪🇸

Córdoba, Spain

Genetic Medicine, 6th floor, St Mary's Hospital, Oxford Road,

🇬🇧

Manchester, United Kingdom

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