Unlocking the genetic roots of fibromyalgia's pain puzzle

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Patient Inclusion criteria : * Patient between 18 and 65 years old (included), * Patient with fibromyalgia according to the criteria of the 2016 ACR, * Patient weighing more than 45kg * Cooperation and understanding sufficient to comply with the requirements of the study, * Acceptance to give written consent, * Affiliation to the French Social Security system, Patient exclusion criteria : * treated with antibiotics in the three months prior to inclusion, * who has reported gastroenteritis in the two months prior to inclusion, * having a medical and / or surgical history judged by the investigator or his representative to be incompatible with the test * of childbearing age not using an effective contraceptive method, pregnant or breastfeeding woman. * participating in another clinical trial, or being in the exclusion period, or having received a total amount of benefits exceeding EUR 4500 over the 12 months preceding the start of the trial, * benefiting from a measure of legal protection (guardianship, guardianship, deprivation of liberty, safeguard of justice), Subject inclusion criteria: * Aged of more than 18 years, * weighing more than 45kg * non-painful subjects matched by age (+/- 5 years), by sex, and by menopausal status for women, * Cooperation and understanding sufficient to comply with the requirements of the study, * Acceptance of written consent, * Affiliation to the French Social Security system, * Registration or acceptance of registration in the National Register of Volunteers participating in research. Subject exclusion criteria : * treated with antibiotics in the three months prior to inclusion, * who has reported gastroenteritis in the two months prior to inclusion, * Medical and / or surgical history judged by the investigator or his representative to be incompatible with the test, * Intake of any drugs in the 7 days before inclusion, * Pregnant or nursing woman * Participating in another clinical trial, or within the exclusion period, or having received a total amount of compensation in excess of EUR 4500 over the 12 months preceding the start of the trial, * Benefiting from a measure of legal protection (curatorship, guardianship, safeguard of justice ...)