A Study of KRN23 in X-linked Hypophosphatemia
This study has been completed.
Sponsor:
Kyowa Hakko Kirin Pharma, Inc.
Information provided by (Responsible Party):
Kyowa Hakko Kirin Pharma, Inc.
ClinicalTrials.gov Identifier:
NCT00830674
First received: January 27, 2009
Last updated: December 6, 2011
Last verified: December 2011
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Purpose
The primary objective of this study is to assess the safety and tolerability of KRN23 after a single intravenous (IV) and subcutaneous (SC) administration in XLH patients.
Condition | Intervention | Phase |
---|---|---|
X-Linked Hypophosphatemia (XLH) |
Drug: Placebo Drug: KRN23 |
Phase 1 |
Study Type: | Interventional |
Study Design: | Allocation: Randomized Endpoint Classification: Safety Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Caregiver, Investigator) Primary Purpose: Treatment |
Official Title: | A Phase I, Double-blind, Randomized, Placebo-controlled, Single-dose, Dose-escalation Study of KRN23 in X-linked Hypophosphatemia |
Resource links provided by NLM:
Genetics Home Reference related topics:
carbamoyl phosphate synthetase I deficiency
hereditary hypophosphatemic rickets
U.S. FDA Resources
Further study details as provided by Kyowa Hakko Kirin Pharma, Inc.:
Primary Outcome Measures:
- Safety and tolerability [ Time Frame: Up to 7 weeks after dosing (maximally 11 weeks) ] [ Designated as safety issue: Yes ]AEs, etc
Secondary Outcome Measures:
- Effect to pharmacodynamic parameter [ Time Frame: Up to 7 weeks after dosing (maximally 11 weeks) ] [ Designated as safety issue: No ]Change in Serum Phosphate
Enrollment: | 42 |
Study Start Date: | December 2008 |
Study Completion Date: | December 2011 |
Primary Completion Date: | December 2011 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
---|---|
Experimental: KRN23
Single IV or SC administration on day 1
|
Drug: KRN23
Single IV administration on day 1: 0.003, 0.01, 0.03, 0.1 and 0.3 mg/kg and Single SC administration on day 1: 0.1, 0.3, 0.6 and 1.0 mg/kg
|
Placebo Comparator: Placebo
Single IV or SC administration on day 1
|
Drug: Placebo
single dose IV or SC administration
|
Eligibility
Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Criteria
Inclusion Criteria:
- 18 years or older
- Clinical diagnosis of XLH
- TmP/GFR is less than 2.0 mg/dL
- GFR is 60 mL/min or above
Exclusion Criteria:
- Have any sign of active infectious disease or have had an infection requiring treatment with antibiotics within three weeks prior to screening
- History of known immunodeficiency
- Lactating females, female patients who are pregnant or planning to become pregnant during the study
- Use of a pharmacologic vitamin D metabolite or its analog, phosphate, calcimimetics, and ingestion of aluminum hydroxide antacids within 10 days prior to screening and dosing
- Use of any supplement contained phosphate, calcium and/or vitamin D within 10 days prior to screening and dosing
- Receipt of live (attenuated) vaccine within 3-months prior to screening
- Have any condition which, in the opinion of the Investigator, could present a concern for either patient safety or difficulty with data interpretation
Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00830674
Locations
United States, Connecticut | |
Yale University School of Medicine | |
New Haven, Connecticut, United States, 06510 | |
United States, Indiana | |
General Clinical Research Center, Indiana University School of Medicine | |
Indianapolis, Indiana, United States, 46202-5250 | |
United States, North Carolina | |
Duke Clinical Research Unit | |
Durham, North Carolina, United States, 27710 | |
United States, Texas | |
University of Texas Health Science Center at Houston | |
Houston, Texas, United States, 77030 |
Sponsors and Collaborators
Kyowa Hakko Kirin Pharma, Inc.
Investigators
Principal Investigator: | Thomas O. Carpenter, M.D. | Yale University |
More Information
No publications provided
Keywords provided by Kyowa Hakko Kirin Pharma, Inc.:
Additional relevant MeSH terms:
ClinicalTrials.gov processed this record on October 18, 2012
No publications provided
Responsible Party: | Kyowa Hakko Kirin Pharma, Inc. |
ClinicalTrials.gov Identifier: | NCT00830674 History of Changes |
Other Study ID Numbers: | KRN23-US-02 |
Study First Received: | January 27, 2009 |
Last Updated: | December 6, 2011 |
Health Authority: | United States: Food and Drug Administration |
Keywords provided by Kyowa Hakko Kirin Pharma, Inc.:
XLH |
Additional relevant MeSH terms:
Hypophosphatemia Hypophosphatemic Rickets, X-Linked Dominant Phosphorus Metabolism Disorders Metabolic Diseases Rickets Bone Diseases, Metabolic Bone Diseases Musculoskeletal Diseases Hypophosphatemia, Familial Renal Tubular Transport, Inborn Errors Kidney Diseases |
Urologic Diseases Genetic Diseases, X-Linked Genetic Diseases, Inborn Metal Metabolism, Inborn Errors Metabolism, Inborn Errors Calcium Metabolism Disorders Vitamin D Deficiency Avitaminosis Deficiency Diseases Malnutrition Nutrition Disorders |
ClinicalTrials.gov processed this record on October 18, 2012