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March20 podcast Dr Hazen
anti-TMA pill in a year or 2 ? (scroll 12 mins)

Additional info: https://youtu.be/811v7RLXP9M
MEBO Karen
at UK Findacure conf 2020

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MEBO TMAU TESTING DISCONTINUED
(2012-2017)

MEBO Map Testing & Meetups


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want listed ? contact info@meboresearch.org

MEBO - UBIOME study 2018

'PRESS RELEASE'

NCT03582826
ClinicalTrials.gov

MEBO Gut Microbiome Study
"Microbial Basis of Systemic Malodor and PATM Conditions (PATM)"
Funded by uBiome Research Grant

"Microbial Basis of Systemic Malodor and PATM Conditions (PATM)"

Dynamics of the Gut Microbiota in
Idiopathic Malodor Production
& PATM

Started May 2018 - Ongoing

Current people sent kits : 100/100
3 kits per person

NO LONGER RECRUITING

Participation info : LINK English

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BO Sufferers Podcasts

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TMAU Petition world
TMAU UK end total:262
TMAU UK ends 23/01/20
TMAU Petition USA end total 204
USA : Moveon open
TMAU (Dominican)
Metabolomic Profiling Study
NCT02683876

Start : Aug 2016
Stage 1 : 27 Canadian volunteers to test
Latest click here (26 oct) :
17 samples returned


Note : Stage 1 is Canada only.
Return cut-off date : passed
Analysis can take 6/8 weeks
Analysis start in/before Nov
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Denver TMAU Test Lab survey click here
click to Read more/less

USA survey for anyone who wants to improve Denver TMAU test

begun : Dec22
end : no ending for now

A trainee genetic counselor is working at the Denver TMAU test lab. Probably as part of her training. As a project she wishes feedback on any aspect of the Denver TMAU test and process. You can fill in the survey and/or email her (email address is in survey). It's meant for USA people, but perhaps others can give their view too (as we have so few opportunities).

quote from her rareconnect post

"Hello all! I wanted to make you aware of a research study being conducted to better understand the experience and needs of individuals with trimethylaminuria with a goal of being able to create improved patient and healthcare provider education materials. Any participation is completely voluntary and all responses remain confidential. Feel free to use the contact information within the link with any questions or share the survey with others with TMAU."

see this post for more details

https://www.meboblog.com/2023/01/denver-tmau-test-survey-tbc-who-it-is.html

Monday, August 11, 2008

1989 Trimethylaminuria Pubmed paper: the detection of carriers using a trimethylamine load test.

1989: http://www.ncbi.nlm.nih.gov/pubmed/2501587
A method potentially of value for investigating putative heterozygotes or carriers of trimethylaminuria by using a single oral dose of trimethylamine (TMA) is described.

This paper from nearly 20 years ago involves 2 well known British experts; Mitchell and Smith. They devised a TMAU test for 'carriers', and what they describe as 'putative heterozygotes'. They are making the carrier urine test a straight 'trimethylamine' challenge test, using TMA at doses of 300mg (for suspected classic TMAU cases), 600mg (they set this as the carrier test), and 900mg (they expect most people to fail this amount).

They found that carriers were around the 77.3% mark with a 600mg TMA capsule, and set this as the phenotype 'carrier' test (this was before the DNA test).


If someone fails the choline-challenge urine test but still suspects they have TMAU, an option could be to try the TMA-capsule carrier test, since this is a straight test of how the enzyme copes with a pure TMA load. The choline test relies on the bacteria to produce the TMA. This would only seem worth considering if not enough TMA/TMAO was produced in a choline challenge test, since if there was enough TMA/TMAO present in the urine, the enzyme got a good 'workout'.

al-Waiz M, Ayesh R, Mitchell SC, Idle JR, Smith RL.

Department of Pharmacology, St. Mary's Hospital, Medical School, London.

A method potentially of value for investigating putative heterozygotes or carriers of trimethylaminuria by using a single oral dose of trimethylamine (TMA) is described. For healthy volunteers under normal dietary condition and following oral challenge with 300 mg and 600 mg TMA-base, over 90% of the urinary TMA was excreted in the form of TMA (93.6 +/- 1.6%). However, at a dose level of 900 mg TMA-base, there was clear evidence of saturation of the N-oxidation reaction as urinary TMA excretion declined to 77.2% (range 74.8-78.9) of the total dose of TMA...

http://www.ncbi.nlm.nih.gov/pubmed/2501587

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