Long-Chain Fatty Acid Oxidation Disorders In-Clinic Disease Monitoring Program
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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. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04632953 |
Recruitment Status :
Recruiting
First Posted : November 17, 2020
Last Update Posted : May 26, 2023
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Condition or disease | Intervention/treatment |
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Long-chain Fatty Acid Oxidation Disorders (LC-FAOD) | Other: No Intervention |
The LC-FAOD DMP is a global observational long-term prospective outcomes study aiming to collect information for up to 10 years from adult and pediatric patients with LC-FAOD, regardless of disease management, including treatment with triheptanoin, and those who have previously participated in triheptanoin clinical trials or Expanded Access Program (EAP).
Patients enrolling in the LC-FAOD DMP will be managed at the discretion of their physicians and may or may not be treated with triheptanoin during the course of the study. Patients will only have access to triheptanoin through authorized commercial use (if approved in their country) or available EAP but not from the LC-FAOD DMP itself.
Study Type : | Observational |
Estimated Enrollment : | 300 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Long-Chain Fatty Acid Oxidation Disorders In-Clinic Disease Monitoring Program (LC-FAOD DMP) |
Actual Study Start Date : | November 30, 2021 |
Estimated Primary Completion Date : | March 2031 |
Estimated Study Completion Date : | March 2031 |

Group/Cohort | Intervention/treatment |
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Previously Treated with Triheptanoin
Patients who have been previously treated with triheptanoin in clinical studies: UX007-CL201 (NCT01886378), UX007-CL202 (NCT02214160), Investigator Sponsored Trials (ISTs), or UX007-EAP (NCT03773770).
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Other: No Intervention
No Intervention |
Currently Treated with Triheptanoin
New patients enrolling into the DMP currently being treated with triheptanoin (excluding those in the previously treated with triheptanoin cohort).
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Other: No Intervention
No Intervention |
Triheptanoin Naïve
New patients enrolling into the DMP with no exposure to triheptanoin.
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Other: No Intervention
No Intervention |
Triheptanoin Naïve Transitioned toTriheptanoin
Patients already enrolled into the triheptanoin naïve cohort but transition to triheptanoin during the DMP after enrollment.
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Other: No Intervention
No Intervention |
- Long-Term Safety of Patients with LC-FAOD as Assessed by Incidence of Serious Adverse Events (SAEs) and Adverse Events (AEs) During Pregnancy for all Patients with LC-FAOD [ Time Frame: 10 years ]
- Long-Term Safety of Patients with LC-FAOD as Assessed by Neonate and Infant Outcomes from Pregnancy Throughout the First Year of Life [ Time Frame: 10 years ]
- Long-Term Safety of Patients with LC-FAOD as Assessed by Incidence of SAEs Assessed as Related to Triheptanoin Treatment by Study Investigator [ Time Frame: 10 years ]
- Long-Term Safety of Patients with LC-FAOD as Assessed by Incidence of all Colon Cancer or Gastrointestinal (GI) Cancer, GI Dysplasia, and GI Neoplasia, SAE's and AEs Reported for all Patients with LC-FAOD [ Time Frame: 10 years ]
- Long-Term Safety of Patients with LC-FAOD as Assessed by Incidence of all SAEs and AEs in Nursing Mothers and Their Breast-Milk-Fed Infants [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Major Clinical Events (MCEs) [ Time Frame: 10 years ]Number and duration of MCEs, including rhabdomyolysis, cardiomyopathy, liver damage, and hypoglycemia
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Hospitalizations [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Mortality [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Cardiac Biomarkers [ Time Frame: 10 years ]Cardiac biomarker assessments include B-type natriuretic peptide (BNP), Serum Troponin (Total &TP-1)
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by 12-Minute Walk Test (12MWT) [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Time to First MCE in Newborns and Pediatrics [ Time Frame: 10 Years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Height/Recumbent Length [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Weight [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Head Circumference [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Abdominal Circumference [ Time Frame: 10 years ]
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Health-Related Quality of Life [ Time Frame: 10 years ]As measured by the Infant and Toddler Quality of Life (ITQOL)
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Health-Related Quality of Life [ Time Frame: 10 years ]As measured by the Medical Outcomes Study 10-Item Short Form (SF-10)
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Health-Related Quality of Life [ Time Frame: 10 years ]As measured by the Medical Outcomes Study 12-Item Short Form (SF-12) assessments
- Long-term Effectiveness of Triheptanoin in Patients with LC-FAOD as Assessed by Health-Related Quality of Life [ Time Frame: 10 years ]As measured by the EuroQoL Eq-5D-5L instrument
- Long-term Effectiveness of Triheptanoin in Patient with LC-FAOD as Assessed by Health-Related Quality of Life [ Time Frame: 10 years ]As measured by the clinical global impression of severity (CGI-S) assessment

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Confirmed diagnosis of any LC-FAOD sub-type. Diagnosis must be confirmed by results of acylcarnitine profiles, and/or mutation analysis obtained from medical records or equivalent documentation.
- Willing and able to comply with all study procedures.
- Willing and able to provide written informed consent after the nature of the study has been explained, and prior to any research-related procedures. For minors (<16 or<18 years of age, as defined by region) willing and able (if possible) to provide written assent and have a legally authorized representative willing and able to provide written informed consent after the nature of the study has been explained, and prior to any research-related procedures.
- Female of child-bearing potential who become pregnant during the study will be invited to remain in the study. Pregnant females with LC-FAOD will be informed of the study and invited to enroll.
- Pregnant females carrying affected fetus(es) with confirmed pre-natal diagnosis of LC-FAOD, will also be informed of the study and invited to enroll.
Exclusion Criteria:
- Presence of a concurrent disease or condition that would interfere with study participation or affect patient's safety in the opinion of the Investigator.
- Presence or history of any condition that, in the view of the Investigator, places the patient at high risk of not completing the study or would affect the interpretation of study results.

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): NCT04632953
Contact: Patients Contact: Trial Recruitment | 1-888-756-8657 | trialrecruitment@ultragenyx.com | |
Contact: HCPs Contact: Medical Information | 1-888-756-8657 | medinfo@ultragenyx.com |
United States, California | |
University of California San Francisco | Recruiting |
San Francisco, California, United States, 94158 | |
United States, Florida | |
University of South Florida | Recruiting |
Tampa, Florida, United States, 33606 | |
United States, Georgia | |
The Emory Clinic | Recruiting |
Atlanta, Georgia, United States, 30322 | |
United States, Illinois | |
Ann & Robert H. Lurie Children's Hospital | Recruiting |
Chicago, Illinois, United States, 60611 | |
United States, Minnesota | |
University of Minnesota | Recruiting |
Minneapolis, Minnesota, United States, 55454 | |
United States, Pennsylvania | |
Children's Hospital of Pittsburgh of UPMC | Recruiting |
Pittsburgh, Pennsylvania, United States, 15224 | |
Canada, Ontario | |
The Hospital for Sick Children | Recruiting |
Toronto, Ontario, Canada, M5G1X8 |
Study Director: | Medical Director | Ultragenyx Pharmaceutical Inc |
Responsible Party: | Ultragenyx Pharmaceutical Inc |
ClinicalTrials.gov Identifier: | NCT04632953 |
Other Study ID Numbers: |
UX007-CL401 |
First Posted: | November 17, 2020 Key Record Dates |
Last Update Posted: | May 26, 2023 |
Last Verified: | May 2023 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
CACT Deficiency Carnitine Acylcarnitine Translocase Deficiency CPT1 CPT2 Carnitine Palmitoyltransferase Deficiencies VLCAD |
Very Long Chain Acyl Coa Dehydrogenase Deficiency LCHAD Deficiency Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency TFP Deficiency Trifunctional Protein Deficiency |
Disease Pathologic Processes |