Participant flow

A Study Evaluating the Safety and Efficacy of Brexucabtagene Autoleucel (KTE-X19) in Adult Subjects With Relapsed/Refractory B-precursor Acute Lymphoblastic Leukemia (ZUMA-3) · Source last updated 2024-11-19

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

groups

1. description

   Participants with relapsed or refractory B-precursor acute lymphoblastic leukemia (r/r B-ALL) received conditioning chemotherapy (fludarabine 25 mg/m\^2 intravenously \[IV\] over 30 minutes on Day -4, Day -3, and Day -2 and cyclophosphamide 900 mg/m\^2 IV over 60 minutes on Day -2) followed by a single infusion of brexucabtagene autoleucel (KTE-X19) chimeric antigen receptor (CAR) transduced autologous T cells administered IV at a target dose of 2 x 10\^6 anti-CD19 CAR T cells/kg of body weight on Day 0. For participants weighing \> 100 kg, a maximum flat dose of 2 x 10\^8 anti-CD19 CAR T cells/kg of body weight was administered.

   id

   FG000

   title

   Phase 1: 2 x 10^6 Anti-CD19 CAR T Cells/kg

2. description

   Participants with r/r B-ALL received conditioning chemotherapy (fludarabine 25 mg/m\^2 IV over 30 minutes on Day -4, Day -3, and Day -2 and cyclophosphamide 900 mg/m\^2 IV over 60 minutes on Day -2) followed by a single infusion of brexucabtagene autoleucel CAR transduced autologous T cells administered IV at a target dose of 1 x 10\^6 anti-CD19 CAR T cells/kg of body weight on Day 0. For participants weighing \> 100 kg, a maximum flat dose of 1 x 10\^8 anti-CD19 CAR T cells/kg of body weight was administered.

   id

   FG001

   title

   Phase 1: 1 x 10^6 Anti-CD19 CAR T Cells/kg

3. description

   Participants with r/r B-ALL received conditioning chemotherapy (fludarabine 25 mg/m\^2 IV over 30 minutes on Day -4, Day -3, and Day -2 and cyclophosphamide 900 mg/m\^2 IV over 60 minutes on Day -2) followed by a single infusion of brexucabtagene autoleucel CAR transduced autologous T cells administered IV at a target dose of 0.5 x 10\^6 anti-CD19 CAR T cells/kg of body weight on Day 0. For participants weighing \> 100 kg, a maximum flat dose of 0.5 x 10\^8 anti-CD19 CAR T cells/kg of body weight was administered.

   id

   FG002

   title

   Phase 1: 0.5 x 10^6 Anti-CD19 CAR T Cells/kg

4. description

   Participants with r/r B-ALL received conditioning chemotherapy (fludarabine 25 mg/m\^2 IV over 30 minutes on Day -4, Day -3, and Day -2 and cyclophosphamide 900 mg/m\^2 IV over 60 minutes on Day -2) followed by a single infusion of brexucabtagene autoleucel CAR transduced autologous T cells administered IV at a target dose of 1 x 10\^6 anti-CD19 CAR T cells/kg of body weight on Day 0. For participants weighing \> 100 kg, a maximum flat dose of 1 x 10\^8 anti-CD19 CAR T cells/kg of body weight was administered.

   id

   FG003

   title

   Phase 2: 1 x 10^6 Anti-CD19 CAR T Cells/kg

periods

1. drop Withdraws

   1. reasons

      1. group Id

         FG000

         num Subjects

         6

      2. group Id

         FG001

         num Subjects

         14

      3. group Id

         FG002

         num Subjects

         11

      4. group Id

         FG003

         num Subjects

         29

      type

      Death

   2. reasons

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         1

      3. group Id

         FG002

         num Subjects

         0

      4. group Id

         FG003

         num Subjects

         8

      type

      Full consent withdrawn

   3. reasons

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         2

      3. group Id

         FG002

         num Subjects

         2

      4. group Id

         FG003

         num Subjects

         2

      type

      Lost to Follow-up

   4. reasons

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         5

      3. group Id

         FG002

         num Subjects

         4

      4. group Id

         FG003

         num Subjects

         16

      type

      Enrolled but did not Initiate KTE-X19

   5. reasons

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         4

      3. group Id

         FG002

         num Subjects

         2

      4. group Id

         FG003

         num Subjects

         15

      type

      Rolled over or consented to a long term follow-up (LFTU) study

   6. reasons

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         2

      3. group Id

         FG002

         num Subjects

         1

      4. group Id

         FG003

         num Subjects

         1

      type

      Reason not specified

   milestones

   1. achievements

      1. group Id

         FG000

         num Subjects

         6

      2. group Id

         FG001

         num Subjects

         28

      3. group Id

         FG002

         num Subjects

         20

      4. group Id

         FG003

         num Subjects

         71

      type

      STARTED

   2. achievements

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         0

      3. group Id

         FG002

         num Subjects

         0

      4. group Id

         FG003

         num Subjects

         0

      type

      COMPLETED

   3. achievements

      1. group Id

         FG000

         num Subjects

         6

      2. group Id

         FG001

         num Subjects

         28

      3. group Id

         FG002

         num Subjects

         20

      4. group Id

         FG003

         num Subjects

         71

      type

      NOT COMPLETED

   title

   Overall Study

pre Assignment Details

173 participants were screened. Bridging therapy was recommended for all participants particularly those participants with high disease burden at baseline (M3 marrow \[\> 25% leukemic blasts\] or ≥ 1,000 blasts/mm\^3 in the peripheral circulation) to control participant's disease post apheresis/enrollment and prior to conditioning chemotherapy.

recruitment Details

Participants were enrolled at study sites in France, Germany, the Netherlands, and the United States.

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Preserved source evidence · Not medical advice