Secondary endpoints: details revised at 8 of 11 entries
MinorRe-verified, no change to tracked fieldsv14
Show 4 earlier versionsHide 4 earlier versions
MinorStudy sites: 20 to 21v13
MinorStudy sites: 19 to 20v12
MinorStudy sites: 18 to 19v11
MinorRe-verified, no change to tracked fieldsv10
MinorTrial sites expanded: 12 → 18 locationsv9
MinorStudy sites: 11 to 12v8
MinorStudy sites: 9 to 11v7
MinorTrial sites expanded: 5 → 9 locationsv6
MinorStudy sites: 3 to 5v5
NotablePrimary completion pushed from Feb 10, 2029 to Oct 18, 2033
Study completion pushed from Oct 2, 2029 to Oct 18, 2033
Eligibility criteria expanded, about 28 words
Secondary endpoints: details revised at 8 of 11 entries
v4
MinorStudy sites: 1 to 3
Start date changed from estimate of May 22, 2026 to May 18, 2026
v3
NotableRecruitment opened
Study sites: 0 to 1
Start date: May 8, 2026 to May 22, 2026
v2
MinorStudy First Submitted
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
Researchers are looking for new ways to treat people with relapsed or refractory B-cell acute lymphoblastic leukemia (R/R B-ALL) that is CD19 positive using a medicine called MK-1045. MK-1045 is an immunotherapy, which is a treatment that helps the immune system fight cancer. This trial will compare MK-1045 to a standard immunotherapy called blinatumomab. The goals of this trial are to learn if more people who receive MK-1045 have no cancer cells in their bone marrow compared to people who receive blinatumomab and if people who receive MK-1045 live longer compared to people who receive blinatumomab.