A Study to Evaluate Efficacy and Safety of AVTX-803 in Patients with Leukocyte Adhesion Deficiency Type II

NCT ID: NCT05462587

Last Updated: 2024-11-01

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

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

4 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-07-28

Study Completion Date

2024-11-30

Brief Summary

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The primary objective of this study is to evaluate the efficacy and safety of AVTX-803 compared to withdrawal in patients with Leukocyte Adhesion Deficiency, Type II (LAD II).

Detailed Description

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Conditions

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Leukocyte Adhesion Deficiency

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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AVTX-803

Approximately 4 subjects will receive AVTX-803 at a dose specified by the investigator up to 5 times a day not to exceed 1700 mg/kg/day for 8 weeks.

Group Type EXPERIMENTAL

AVTX-803 (L-Fucose)

Intervention Type DRUG

L-fucose crystalline powder

Withdrawal

Subject will be in withdrawal for 8 weeks.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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AVTX-803 (L-Fucose)

L-fucose crystalline powder

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Subject must be between 6 months and 75 years old
* Subject has biochemically and genetically proven LAD II (SLC35C1-CDG)
* Subject has a documented history of Lewis antigen deficiency
* Subject has a history of recurrent infections, opportunistic infections or infections that did not respond well to standard of care treatment
* Subject or parent (for subjects under legal age for consent) has provided written informed consent for this study. Additionally, written informed assent has been provided, as appropriate, for minors of older age, per local institutional review board (IRB)/ethics committee (EC) policy and requirements
* Subject is willing and able to comply with the protocol
* Women of childbearing potential (WOCBP) meeting the criteria below:

1. Non-lactating and has a negative pregnancy test at screening -AND-
2. Uses an acceptable double-barrier method of contraception as determined by the investigator or sub-investigator for the duration of the study and 30 days following the last dose of study drug.
* Male subjects must agree to use an acceptable double-barrier method of contraception with their partner as determined by the investigator or sub-investigator for the duration of the study and 30 days following the last dose of study drug.

Exclusion Criteria

* Subject has severe anemia defined as hemoglobin \<8.0 g/dL (\<4.9 mmol/L)
* Subject has impaired renal function as defined by an eGFR \<90 mL/min
* Subject has a total absence of fucosylation on red blood cells and the presence of anti-H antigen
* Subject has known or suspected intolerance or hypersensitivity to fucose or any ingredients of the investigational product
* In the investigator's opinion, subject has a history of failure to respond to fucose at adequate dosing
* In the investigator's opinion, subject is not able or not willing to comply with the study requirements.
* Subject is pregnant
Minimum Eligible Age

6 Months

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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AUG Therapeutics

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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David Deyle, MD

Role: PRINCIPAL_INVESTIGATOR

Mayo Clinic

Locations

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Mayo Clinic

Rochester, Minnesota, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Jennifer Lin

Role: CONTACT

3052833827

Facility Contacts

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Eva Morava-Kozicz, MD PhD

Role: primary

Other Identifiers

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AVTX-803-LAD-301

Identifier Type: -

Identifier Source: org_study_id

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