Mitochondrial complex I deficiency
MONDO:0100133A type of mitochondrial disease charcterized by macrocephaly (large head) with progressive leukodystrophy, encephalopathy, hypertrophic cardiomyopathy, myopathy, liver disease, Leigh syndrome, Leber hereditary optic neuropathy, and some forms of Parkinson disease. The disease is caused by mutations in any of many genes and the inheritance pattern depends on the responsible gene.
Also known as: NADH coenzyme Q reductase deficiency, complex 1 mitochondrial respiratory chain deficiency, isolated NADH-CoQ reductase deficiency, isolated NADH-coenzyme Q reductase deficiency, isolated NADH-ubiquinone reductase deficiency, isolated complex I deficiency, isolated mitochondrial respiratory chain complex I deficiency, mitochondrial respiratory chain complex I deficiency
14 clinical trials for this condition and its sub-types, 2 tagged with Mitochondrial complex I deficiency itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →Sub-types of Mitochondrial complex I deficiency
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1 sub-type
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37 sub-types
- Leber hereditary optic neuropathy, autosomal recessive 0 trials Sub-types →
- Mitochondrial complex I deficiency, nuclear type 1 0 trials
- Mitochondrial complex I deficiency, nuclear type 10 0 trials
- Mitochondrial complex I deficiency, nuclear type 11 0 trials
- Mitochondrial complex I deficiency, nuclear type 12 0 trials
- Mitochondrial complex I deficiency, nuclear type 13 0 trials
- Mitochondrial complex I deficiency, nuclear type 14 0 trials
- Mitochondrial complex I deficiency, nuclear type 15 0 trials
- Mitochondrial complex I deficiency, nuclear type 16 0 trials
- Mitochondrial complex I deficiency, nuclear type 17 0 trials
- Mitochondrial complex I deficiency, nuclear type 18 0 trials
- Mitochondrial complex I deficiency, nuclear type 19 0 trials
- Mitochondrial complex I deficiency, nuclear type 2 0 trials
- Mitochondrial complex I deficiency, nuclear type 21 0 trials
- Mitochondrial complex I deficiency, nuclear type 22 0 trials
- Mitochondrial complex I deficiency, nuclear type 23 0 trials
- Mitochondrial complex I deficiency, nuclear type 24 0 trials
- Mitochondrial complex I deficiency, nuclear type 25 0 trials
- Mitochondrial complex I deficiency, nuclear type 26 0 trials
- Mitochondrial complex I deficiency, nuclear type 27 0 trials
- Mitochondrial complex I deficiency, nuclear type 28 0 trials
- Mitochondrial complex I deficiency, nuclear type 29 0 trials
- Mitochondrial complex I deficiency, nuclear type 3 0 trials
- Mitochondrial complex I deficiency, nuclear type 30 0 trials
- Mitochondrial complex I deficiency, nuclear type 31 0 trials
- Mitochondrial complex I deficiency, nuclear type 32 0 trials
- Mitochondrial complex I deficiency, nuclear type 33 0 trials
- Mitochondrial complex I deficiency, nuclear type 34 0 trials
- Mitochondrial complex I deficiency, nuclear type 36 0 trials
- Mitochondrial complex I deficiency, nuclear type 37 0 trials
- Mitochondrial complex I deficiency, nuclear type 39 0 trials
- Mitochondrial complex I deficiency, nuclear type 4 0 trials
- Mitochondrial complex I deficiency, nuclear type 5 0 trials
- Mitochondrial complex I deficiency, nuclear type 6 0 trials
- Mitochondrial complex I deficiency, nuclear type 7 0 trials
- Mitochondrial complex I deficiency, nuclear type 8 0 trials
- Mitochondrial complex I deficiency, nuclear type 9 0 trials
Most studied deeper sub-types
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New drug aims to ease fatigue in mitochondrial disease
Symptom relief Recruiting nowThis Phase 2 trial tests whether KL1333 can reduce fatigue and improve leg strength in adults with primary mitochondrial disease, a genetic condition that affects energy production. About 180 participants will receive either KL1333 or a placebo twice daily for 48 weeks. The study…
Phase 2 • Sponsor: Pharming Technologies B.V. • Aim: Symptom relief
Last updated Jun 28, 2026 00:00 UTC
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NIH launches study to uncover link between infections and mitochondrial disease
Knowledge-focused Recruiting nowThis study at the National Institutes of Health looks at how infections can worsen symptoms in people with mitochondrial disease, a group of disorders that affect energy production in cells. Researchers will evaluate participants' immune systems through blood tests, physical exam…
Sponsor: National Human Genome Research Institute (NHGRI) • Aim: Knowledge-focused
Last updated Sep 18, 2026 00:00 UTC
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Worldwide data pool could pave the way for mitochondrial disease trials
Knowledge-focused Recruiting nowThis study creates a global registry for people with mitochondrial disorders—rare diseases that affect energy production in cells. By collecting health data from 6,000 participants worldwide, researchers aim to understand how these diseases progress and identify the best ways to …
Sponsor: LMU Klinikum • Aim: Knowledge-focused
Last updated Aug 09, 2026 00:00 UTC
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Scientists launch massive mitochondrial disease registry to unlock secrets of rare disorders
Knowledge-focused Recruiting nowThis study is creating a large registry and tissue bank for people with mitochondrial disorders. Researchers will collect medical information and samples from up to 1,000 participants, including those diagnosed with or suspected to have a mitochondrial disease. The goal is to gat…
Sponsor: Columbia University • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:01 UTC
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Blood and skin samples could unlock new mitochondrial disease treatments
Knowledge-focused Recruiting nowThis study collects blood and skin samples from 100 people with primary mitochondrial diseases and healthy volunteers aged 3 to 85. Researchers will study how different mitochondrial mutations affect cell function and look for biomarkers. The samples will also help test a new the…
Sponsor: Minovia Therapeutics Ltd. • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:52 UTC