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AMD 3100 for Treatment of Myelokathexis

NCT01058993 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 6

Last updated 2012-06-15

Study results available
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Summary

This is an initial study to determine if CXCR4 inhibitor AMD 3100 or plerixafor may be a potential treatment for neutropenia due to CXCR4 mutations, the myelokathexis or WHIM (warts, hypogammaglobulinemia, immunodeficiency and myelokathexis) syndrome. This is the initial study of this concept and will involve up to 6 patients to receive increasing doses of plerixafor administered subcutaneously or on an alternate day basis. It is unknown if these patients will be highly sensitive to a blockade of CXCR4 activity and release more white blood cells than normal volunteers or cancer patients given the same dose of this drug. Therefore doses will begin at a level 12 fold less than currently used to mobilize stem cells and will be increased stepwise to achieve an acceptable circulating level of neutrophils.

Conditions

Interventions

DRUG

AMD3100 or plerixafor

The study will examine the hematological effects/safety of plerixafor in patients with myelokathexis attributable to mutations of CXCR4. Plerixafor will be administered on days 1, 3, 5, 8, and 10. Five intrapatient escalating doses of AMD 3100, 20 micrograms per kilogram (mcg/kg), 40 micrograms per kilogram (mcg/kg), 80 micrograms per kilogram (mcg/kg), and 240 micrograms per kilogram (mcg/kg) will be examined in the patients at University of Washington General Clinical Research Center for up to 10 days, requiring subjects be available up to 14 days. Patients will be monitored for hematological effects of plerixafor and observed for adverse effects. If normal blood neutrophil count is achieved and maintained for at least 24 hours prior to highest dose, we will stop at that level.

Sponsors & Collaborators

Principal Investigators

  • David C Dale, MD · University of Washington

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2010-10-31
Primary Completion
2011-03-31
Completion
2011-04-30

Countries

  • United States

Study Locations

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Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01058993 on ClinicalTrials.gov