Clinical trial Recruiting at 1 site Interventional Ages 12 and up

Home Ammonia Monitoring for People with Metabolic Ammonia Disorders

Official title: Pilot Study of At Home Ammonia Monitoring in Patients With an Inborn Error of Ammonia Metabolism

Run by Sequitur Health Corp. · NCT06953505 · Data updated 2026-11-12

This study tests whether people with certain ammonia metabolism disorders can successfully measure their ammonia levels at home every day.

More Metabolic Disorder trials

Quick facts

Study typeInterventional
Ages12 Years and up
SexAll
Enrollment30 (estimated)
SponsorSequitur Health Corp.
Industry-sponsored
Locations1 site (Portland, Oregon)
StatusRecruiting
StartedSeptember 23, 2025
Main results expectedJuly 2027
Study endsAugust 2027
Registry record updatedMay 27, 2026
Trial IDNCT06953505 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are English-speaking individuals with a confirmed ammonia metabolism disorder and the ability to read in English.

Probably not a fit

Patients without access to at-home monitoring devices or those unable to perform daily measurements may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This interventional study aims to determine if patients with inherited ammonia metabolism disorders can perform daily home ammonia monitoring. Participants will visit the clinic twice and use a device to measure daily ammonia, along with daily vital signs and a short survey. The study will also collect information on how feasible and acceptable home monitoring is for these patients. The approach relies on at-home measurements to understand real-world adherence and data quality in everyday settings. The study leverages collaboration between Sequitur Health, NICHD, and Oregon Health & Science University.

Why it matters

Potential benefit: If successful, patients could benefit from easier, near-real-time monitoring of ammonia levels that may inform treatment decisions.

How similar studies have gone: Previous efforts in home biomonitoring for metabolic conditions have shown mixed feasibility, with ongoing evaluation of adherence and data reliability.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Confirmed ammonia disorder such as

  * Ornithine transcarbamylase deficiency
  * Systemic primary carnitine deficiency
  * Type I citrullinemia
  * Argininosuccinic aciduria
  * Isolated methylmalonic acidemia
  * Type II citrullinemia
  * Propionic acidemia
  * Isovaleric acidemia
  * Multiple acyl-CoA dehydrogenase deficiency
  * Pyruvate carboxylase deficiency
  * Argininemia (arginase deficiency)
  * Carbamoyl phosphate synthase I deficiency
  * Dihydrolipoamide dehydrogenase deficiency
  * Lysinuric protein intolerance
  * Hyperornithinemia-hyperammonemia-homocitrullinuria
  * Carnitine-acylcarnitine translocase deficiency
  * Carbonic anhydrase VA deficiency
  * N-acetyl glutamate synthetase deficiency
* English Literacy

Exclusion Criteria:

* Incarcerated
* Presence of a non-inborn error of metabolism medical condition associated with abnormal ammonia metabolism (e.g., end stage liver disease).
* Unable to read in English

Where it's running

  • Oregon Health & Science University
    Portland, Oregon, United States
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.