No treatment, just data: new study tracks rare metabolic disease
NCT ID NCT05769621
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is not testing any new drug or treatment. Instead, researchers will look back at medical records of 60 people with propionic acidemia, a rare genetic disorder that affects how the body breaks down certain proteins and fats. The goal is to better understand the disease, including how often patients have serious metabolic episodes and need hospital care. This information could help design future studies and improve care.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2023
- Expected to finish
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Sep 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Individuals of a minimum age of 2 years with confirmed diagnosis of PA.
- Ages
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2 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Participants' medical records are eligible for abstraction only if all of the following criteria apply: * Confirmed diagnosis of PA based on diagnosis by molecular genetic testing (propionyl-CoA carboxylase subunitα\[PCCA\] and/or propionyl-CoA carboxylase subunitβ\[PCCB\] mutations). * Participant provided informed consent (and assent, as applicable). * Medical records with sufficient data to support medical encounter for CEC adjudication (MEA adjudication) must be available dating back to birth or 01 January 2015, whichever occurs later. Participants born prior to 2015 will require additional information to confirm eligibility. * Experienced at least one MDE in the 24 months preceding the Index Date or experienced at least 3 MDEs within any one 12-month retrospective review period (based on Index Date) dating back to birth or 01 January 2015, whichever occurs later. * Must have a confirmed age (months) of disease onset (early or late, where early is defined as the neonatal period). * Participants who meet any of the censoring criteria listed below may be enrolled into the study if they have a minimum of 2 years of data available for abstraction prior to meeting the censoring criteria and they meet all inclusion criteria based on the data available for abstraction. Censoring Criteria: Participants medical records meeting the following censoring criterion will not be abstracted: * Participation in a clinical study of any investigational agent. * Received gene therapy treatment * Confirmed organ transplantation * Investigator is no longer able to obtain relevant clinical information of the participant. * Death Exclusion Criteria: Participant's medical records will not be eligible for abstraction if the participant meets the following exclusion criteria: \- Participation (prior or ongoing) in clinical study mRNA-3927-P101 (NCT04159103) or mRNA-3927-P101-EXT (NCT05130437).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
19 sites in 7 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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ASST di Monza - Azienda Ospedaliera San Gerardo
ACTIVE_NOT_RECRUITINGMonza, Monza A Brianza, 20900, Italy
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Azienda Ospedaliera Universitaria Federico II
RECRUITINGNaples, Campania, 80131, Italy
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Azienda Ospedaliero Universitaria A Meyer - INCIPIT - PIN
RECRUITINGFlorence, Tuscany, 50139, Italy
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CHRU Nancy Hôpital des Enfants
WITHDRAWNVandœuvre-lès-Nancy, Meurthe-et-Moselle, 54511, France
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CHU Toulouse
RECRUITINGToulouse, Haute-Garonne, 31300, France
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CHU de Marseille - Hôpital de la Timone
RECRUITINGMarseille, 13386, France
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Children's Hospital of Philadelphia
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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Erasmus MC
NOT_YET_RECRUITINGRotterdam, South Holland, 3015 GD, Netherlands
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Fujita Health University Hospital
NOT_YET_RECRUITINGToyoake, Aichi-ken, 470-1192, Japan
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Great Ormond Street Hospital
ACTIVE_NOT_RECRUITINGCity of London, London, United Kingdom
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Hospital Sant Joan de Deu
RECRUITINGEsplugues de Llobregat, Barcelona, 8950, Spain
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Hospital Universitari I Politecnic La Fe de Valencia
RECRUITINGValencia, 46026, Spain
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Hospital Universitario 12 de Octubre
ACTIVE_NOT_RECRUITINGMadrid, 28041, Spain
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Hospital Universitario Cruces
RECRUITINGBarakaldo, 48903, Spain
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Hospital Universitario Marques de Valdecilla
RECRUITINGSantander, Cantabria, 39008, Spain
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Hospital Universitario Raymon y Cajal
RECRUITINGMadrid, 28034, Spain
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Hospital Universitario Virgen del Rocio - PPDS
RECRUITINGSeville, 41013, Spain
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Hôpital Necker - Enfants Malades
RECRUITINGParis, Paris, 75743, France
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Johns Hopkins University
RECRUITINGBaltimore, Maryland, 21287-0010, United States
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Royal Children's Hospital Melbourne
WITHDRAWNParkville, Victoria, 3052, Australia
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Seattle Children's Hospital
RECRUITINGSeattle, Washington, 98105-3901, United States
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St Mary's Hospital - PPDS
ACTIVE_NOT_RECRUITINGManchester, Lancashire, United Kingdom
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Stollery Children's Hospital University of Alberta
WITHDRAWNEdmonton, Alberta, T6G 2B7, Canada
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Texas Children's Hospital
TERMINATEDHouston, Texas, 77030-2614, United States
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The Jikei University School of Medicine
NOT_YET_RECRUITINGMinato, Tokyo, 105-8471, Japan
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University Hospital Birmingham
RECRUITINGBirmingham, B29 6JD, United Kingdom
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University of Michigan Hospital
ACTIVE_NOT_RECRUITINGAnn Arbor, Michigan, 48109-5000, United States
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University of Stanford Medical Center
NOT_YET_RECRUITINGStanford, California, 94305-2200, United States
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Victoria Hospital
WITHDRAWNKirkcaldy, Fife, KY2 5AH, United Kingdom
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Newborn screening study aims to catch rare diseases at birth
- Experimental gene therapy targets rare metabolic disease in toddlers
- Medical records reveal clues to rare genetic disease in amish and mennonite populations
- New mRNA treatment for rare metabolic disease moves to Long-Term safety check
- Scientists launch Largest-Ever study to unravel rare metabolic disease
- MRNA therapy takes on rare metabolic disease