PKUDOS: Phenylketonuria (PKU) Demographic, Outcomes, and Safety Registry (PKUDOS)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00778206 |
Recruitment Status :
Completed
First Posted : October 23, 2008
Last Update Posted : October 12, 2022
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Condition or disease | Intervention/treatment |
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Phenylketonuria Hyperphenylalaninaemia | Drug: Kuvan |
Study Type : | Observational |
Actual Enrollment : | 1887 participants |
Observational Model: | Case-Only |
Time Perspective: | Prospective |
Official Title: | PKUDOS: Phenylketonuria (PKU) Demographic, Outcomes, and Safety Registry |
Study Start Date : | September 2008 |
Actual Primary Completion Date : | January 29, 2021 |
Actual Study Completion Date : | January 29, 2021 |

Group/Cohort | Intervention/treatment |
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1. PKUDOS Registry
Patients with a confirmed diagnosis of Phenylketonuria (PKU) with hyperphenylalaninemia who have either received Kuvan therapy, or currently receive Kuvan therapy, or intend to begin receiving Kuvan therapy within 90 days of entering the registry.
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2. PKU MOMS Subregistry
Patients with PKU who are pregnant at enrollment in the registry or who become pregnant while participating in the registry.
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Drug: Kuvan
-Recommended post-partum Assessments include: collection of baby's plasma at Birth, 1 Month and 6 months, and collection of mother's plasma and expressed breast milk sample at 1 Month.
Other Name: sapropterin dihydrochloride |
- Observational Data Only [ Time Frame: 15 years ]Registry data including demographic and baseline characteristics

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Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
PKUDOS Registry
Inclusion Criteria:
- Patient has confirmed diagnosis of PKU with hyperphenylalaninemia documented by a Phenylalanine level of greater than or equal to 360 umol/L (6 mg/dL)
- Patient has previously received Kuvan
- Patient is currently receiving Kuvan
- Patient intends to receive Kuvan therapy within 90 days of enrollment into the registry
- The Patient is being followed at a PKUDOS participating center
- Willing and able to provide written authorization or, if under the age of 18 years, provide written assent (if required) and written patient authorization by a parent or legal guardian
- Willing to provide personal health information
Exclusion Criteria:
- Patients are not eligible to participate in PKUDOS if they are participating in a BioMarin-sponsored clinical study of Kuvan
- Patients not previously treated with Kuvan and patients that are unwilling to begin Kuvan therapy within 90 days of entry into the registry
PKU MOMS Subregistry
Inclusion Criteria:
- Willing to enroll in (or are already enrolled in) PKUDOS
- Agree to follow the standard of care for pregnant women with PKU in the United States (NIH, 200, NIH Consensus Statement)
- Agree to be followed by a hospital or PKU clinic offering the standard of care for maternal PKU
- Are within 10 weeks of their last menstrual period
Exclusion Criteria:
- Patients who have not adhered to the standard of care for pregnant women with PKU in the United States are not eligible to participate in PKU MOMS

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00778206

Study Director: | Kristin Lindstrom, MD | BioMarin Pharmaceutical |
Responsible Party: | BioMarin Pharmaceutical |
ClinicalTrials.gov Identifier: | NCT00778206 |
Other Study ID Numbers: |
PKUDOS-01 PKUDOS Registry ( Registry Identifier: PKUDOS ) |
First Posted: | October 23, 2008 Key Record Dates |
Last Update Posted: | October 12, 2022 |
Last Verified: | September 2022 |
Phenylketonuria Hyperphenylalaninemia PKU Phenylalanine |
Phenylketonurias Brain Diseases, Metabolic, Inborn Brain Diseases, Metabolic Brain Diseases Central Nervous System Diseases |
Nervous System Diseases Amino Acid Metabolism, Inborn Errors Metabolism, Inborn Errors Genetic Diseases, Inborn Metabolic Diseases |