Kynurenine
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Kynurenine is an amino acid that is produced in the body by the metabolism of the essential amino acid tryptophan.[1][2]
ME/CFS[edit | edit source]
The Open Medicine Foundation's ME/CFS Severely Ill, Big Data Study found that patients in the study group with severe ME had one of several defects involving the IDO2 gene, which affected tryptophan - kynurenine metabolism.[3] This lead to the Metabolic Trap theory.[3]
Uppsala trial, Sweden[edit | edit source]
In May 2020, the Open Medicine Foundation announced a pilot treatment trial of kynurenine for ME/CFS.[4] Dr Jonas Bergquist will be running the trial.[5]
Trial type:[edit | edit source]
Pilot trial, with cross-over at 3 months. Patients receiving the kynurenine will change to the placebo after 3 months, and patients receiving the placebo will switch to the kynurenine. No control group.[4][5]
Aims:[edit | edit source]
To see whether kynurenine improves cognitive impairment (brain fog), headaches and memory in ME/CFS patients.[5]
Patients:[edit | edit source]
Only 20 out of a group of 100 ME/CFS patients. Patients will be those identified as having a low level of kynurenine in blood serum and ME/CFS.[5]
Outcomes:[edit | edit source]
Measurements will be taken from wearable sensors.[5]
Learn more[edit | edit source]
- Kynurenine - PubChem
- L-Kynurenine - PubChem
- Kynurenine clinical trial - Open Medicine Foundation
See also[edit | edit source]
References[edit | edit source]
- ↑ "Medical Definition of KYNURENINE". www.merriam-webster.com. Retrieved November 30, 2019.
- ↑ National Center for Biotechnology Information. "Kynurenine". PubChem Database. Retrieved January 19, 2020. Cite has empty unknown parameter:
|dead-url=(help) - ↑ 3.0 3.1 Phair, Robert D.; Davis, Ronald W.; Kashi, Alex A. (2019). "The IDO Metabolic Trap Hypothesis for the Etiology of ME/CFS". Diagnostics. 9 (3): 82. doi:10.3390/diagnostics9030082.
- ↑ 4.0 4.1 Open Medicine Foundation. "#May Momentum 2020". Open Medicine Foundation. Retrieved May 1, 2020. Cite has empty unknown parameter:
|dead-url=(help) - ↑ 5.0 5.1 5.2 5.3 5.4 Open Medicine Foundation (April 26, 2020). "Kynurenine Clinical Trial for ME / CFS". Open Medicine Foundation. Retrieved May 5, 2020. Cite has empty unknown parameter:
|dead-url=(help)
