Trial Outcomes & Findings for Halt cardiomyOPathy progrEssion in Duchenne (HOPE-OLE) (NCT NCT06304064)

Halt cardiomyOPathy progrEssion in Duchenne (HOPE-OLE)

Acute respiratory decompensation is defined as an unexplained rapid deterioration of the participant's condition with increasing shortness of breath requiring oxygen supplementation. Acute respiratory decompensation within 2 hours following investigational product (IP) administration will be reported.

Hypersensitivity reaction is defined as a clinical syndrome including, but not limited to, fever, leukocytosis, or rash with onset \<= 2 hours post-infusion and lasting \< 24 hours, in the absence of clinical signs of concomitant infection.

Number of deaths due to any cause will be reported.

An adverse events (AEs) is any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related. TEAEs are defined as AEs occurring after the initiation of the IV catheter placement for the initial dose of IP. TEAEs related to investigational product or administration are reported for this outcome measure. A SAE is defined as an AE that results in any of the following outcomes: Death; life-threatening adverse event; Inpatient hospitalization or prolongation of existing hospitalization; persistent or significant incapacity or substantial disruption of the ability to conduct normal life functions; congenital anomaly/birth defect.

Immune sensitization syndrome shall be defined as: (a) clinical signs and symptoms consistent with systemic inflammation (e.g., fever, leukocytosis, rash, or arthralgia) with onset \>= 24 hours post infusion and the absence of clinical signs of concomitant infection, and (b) elevation of anti-human leukocyte antigen (HLA) antibodies against the donor cells (i.e., DSAs), detected \<= 30 days following onset of syndrome, of (i) \>= 2000 mean fluorescent intensity (MFI) if baseline MFI \<= 1000, or (ii) \>= 2 times baseline otherwise.