Safety and Efficacy of Asfotase Alfa in Patients With Hypophosphatasia (HPP)

NCT ID: NCT02456038

Last Updated: 2016-03-31

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

13 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-08-31

Study Completion Date

2015-07-31

Brief Summary

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The aim of this study is to assess safety and efficacy of Asfotase Alfa (ALXN1215) in patients with hypophosphatasia

Detailed Description

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Conditions

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Hypophosphatasia

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Asfotase Alfa (ALXN1215)

Asfotase Alfa (ALXN1215) is administered 6mg/kg in total per week, divided into 3 times.

Group Type EXPERIMENTAL

Asfotase Alfa (ALXN1215)

Intervention Type DRUG

Interventions

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Asfotase Alfa (ALXN1215)

Intervention Type DRUG

Other Intervention Names

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ALXN1215

Eligibility Criteria

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Inclusion Criteria

Patients must meet one selection criteria of following "1", "2", and "3", and must meet the selection criteria of "4."

1. Patient who has been already treated with Asfotae Alfa (ALXN1215) out of this clinical trial
2. Patient who has been diagnosed as HPP
3. Documented diagnosis of HPP as indicated by:

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1. Total serum alkaline phosphatase below the lower limit of normal for age
2. Ultrasonographic features of prenatal, characterized by:

1\) severe short extremities (femur length \<-4SD in second and third trimesters) 2) extending into the metaphysis (femur metaphysis length or femur length \>0.33) 3) craniotabes 4) Hypoplastic thorax (Thoracic or abdominal circumference \<0.6) (3) Computed tomographic findings of prenatal, characterized by:

1. Generalized decreased ossification
2. Extreme shortening of tubular bones
3. Hypoplastic thorax (4) Radiographic evidence of HPP, characterized by:

1\) Flared and frayed metaphyses 2) Severe, generalized osteopenia 3) Widened growth plates 4) Areas of radiolucency or sclerosis (5) Two or more of the following HPP-related findings:

1. History or presence of:

\- Nontraumatic post-natal fracture

\- Delayed fracture healing
2. Nephrocalcinosis or history of elevated serum calcium
3. Functional craniosynostosis
4. Respiratory compromise or rachitic chest deformity
5. Vitamin B6 dependent seizures
6. Failure to thrive
7. Premature tooth loss (6) Patient who have the mutation of tissue non-specific ALP gene 4. Parent or legal guardian(s) must provide written informed consent prior to any study procedures being performed and must be willing to comply with all study-required procedures

Exclusion Criteria

1. Current evidence of treatable form of rickets
2. Serum calcium or phosphate levels below the normal range
3. Pregnant women and nursing mothers
4. Patient who cannot enforce suitable contraceptive measures during the clinical trial
5. Prior treatment with bisphosphonates
6. Treatment with an investigational drug within 1 month prior to the start of asfotase alfa treatment
7. Current enrollment in any other study involving an investigational new drug, device or treatment for HPP (e.g., bone marrow transplantation)
8. Clinically significant disease that precludes study participation, in the opinion of the Investigator
Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Osaka University Graduate School of Medicine

UNKNOWN

Sponsor Role collaborator

Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Keiichi Ozono

Role: PRINCIPAL_INVESTIGATOR

Osaka University Hospital

Locations

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Kurume University Hospital

Kurume, Fukuoka, Japan

Site Status

National Hospital Organization Nagara Medical Center

Gifu, Gifu, Japan

Site Status

Hiroshima University Hospital

Hiroshima, Hiroshima, Japan

Site Status

Hokkaido University Hospital

Sapporo, Hokkaido-prefecture, Japan

Site Status

Tohoku University Hospital

Sendai, Miyagi, Japan

Site Status

Niigata University Medical & Dental Hospital

Niigata, Niigata, Japan

Site Status

Osaka Medical Center and Research Institute for Maternal and Child Health

Izumi, Osaka, Japan

Site Status

Osaka University Hospital

Suita, Osaka, Japan

Site Status

Saitama Children's Medical Center

Saitama, Saitama, Japan

Site Status

Hamamatsu University Hospital

Hamamatsu, Shizuoka, Japan

Site Status

Nippon Medical School Hospital

Bunkyo-ku, Tokyo, Japan

Site Status

Showa General Hospital

Kodaira, Tokyo, Japan

Site Status

Countries

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Japan

Other Identifiers

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UMIN000014816

Identifier Type: OTHER

Identifier Source: secondary_id

HPPJEAP-01

Identifier Type: -

Identifier Source: org_study_id