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Talha Badar: Focusing on “chemo-free” regimen for “Ph-ve” B-cell ALL
Jan 22, 2025, 20:37

Talha Badar: Focusing on “chemo-free” regimen for “Ph-ve” B-cell ALL

Talha Badar, Hematology/Oncology specialist at Mayo Clinic, shared a post on X:

“Focusing on ‘chemo-free’ regimen for ‘Ph-ve’ B-cell ALL.

  1.  Blinatumomab is better induction or Inotuzumab ozogamicin?
  2.  Response rate with the chemo-free regimen in high-risk ALL?
  3.  Should we intensify CNS prophylaxis with a “chemo-free” regimen?

SWOG 1318: PII study of Blina (inductionà 3 consolidation cycles) followed by POMP (Advani et al JCO 2022):

  • Patients 65 years or older (N=29)
  • 34% poor risk CG, median BM blast 87%
  • 66% CR rate
  • 3 years DFS and OS 37%

Talha Badar

InO induction followed by age-adapted chemotherapy (INITIAL -1) (Stelljes et al. JCO 2023).

The GMALL group conducted a PII trial exploring InO (up to 2 cycles) + Dex induction followed by age-adapted chemotherapy in elderly ALL:

  • 43 patients, median age 64 years (R, 58-80)
  • 100% CR (71% MRD negative)
  • 3 years EFS and OS 55% and 73%

Talha Badar

Inotuzumab followed by Blinatumomab induction in elderly patients, Alliance A041703 (Wieduwilt et al. ASCO 2023):

  • 31 patients treatment, CR 85% after Inotuzumab, 97% after Blina
  • Median follow-up 22 months; 1 years EFS 75%, OS 84%

Talha Badar

Summary:

  1. Inotuzumab is a better induction/upfront strategy than blinatumomab.
  2. ‘Chemo-free’ regimen might not be as effective in high-risk ALL patients.
  3. May need to intensify CNS prophylaxis, using ‘chemo-free’ regimens.”

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