Characterization of the Inflammatory Profile of Patients With Macrophage Activation Syndrome Secondary to Bacterial Sepsis

Inclusion Criteria: Patient hospitalized in intensive care for macrophage activation syndrome secondary to sepsis / bacterial septic shock with a strong clinical probability score (defined by a HScore\> 80% cf appendix 4) (experimental population) or Patient hospitalized in intensive care for sepsis or septic shock (control population) * Age ≥ 18 years * Person affiliated with a social security scheme or beneficiary of such a scheme * Trusted person or informed patient who has signed the consent to participate in the research. (If the patient is unable to sign his / her consent (emergencies) the consent will be signed by the person of trust, and consent to further study will be requested from the patient). * Effective contraception in women of childbearing potential (negative pregnancy test). For postmenopausal women, a confirmation diagnosis should be obtained (amenorrhea for at least 12 months before the inclusion visit). Exclusion Criteria: * Pregnant or breastfeeding woman * Person deprived of liberty by an administrative or judicial decision * Protected major subject, under tutorship or curatorship * Patient participating in another interventional clinical trial with the same primary objective