Phase I/II, open-label, multicenter study of durvalumab in combination with tremelimumab in pediatric patients with advanced solid tumors - Scorecard - MDSpire

Phase I/II, open-label, multicenter study of durvalumab in combination with tremelimumab in pediatric patients with advanced solid tumors

  • By

  • Darren Hargrave

  • Lynley V. Marshall

  • Nicolas André

  • Julie Krystal

  • Brian H. Ladle

  • Karen A. Robbins

  • Stephan Hois

  • Jon Armstrong

  • Sarah Donegan

  • May 15, 2026

  • 0 min

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Clinical Scorecard: Multicenter, open-label Phase I/II trial assessing the efficacy of durvalumab combined with tremelimumab in children with advanced solid tumors

At a Glance

CategoryDetail
ConditionRelapsed/Refractory Solid Tumors in Pediatric Patients
Key MechanismsDurvalumab (anti-PD-L1) and Tremelimumab (anti-CTLA-4) enhance T cell activation and antitumor immunity.
Target PopulationPediatric patients with advanced solid tumors
Care SettingMulticenter, open-label clinical trial

Key Highlights

  • Durvalumab (30 mg/kg) + Tremelimumab (1 mg/kg) was evaluated for safety and efficacy.
  • Limited antitumor activity observed; one patient with chordoma had a partial response.
  • 76% of patients experienced treatment-related adverse events, with 19% as grade 3 or 4.
  • No treatment-related deaths reported.
  • Increased CD4+Ki67+ T cells noted post-treatment.

Guideline-Based Recommendations

Diagnosis

  • Assess relapsed/refractory solid tumors in pediatric patients.

Management

  • Consider durvalumab and tremelimumab combination therapy for eligible patients.

Monitoring & Follow-up

  • Monitor for treatment-related adverse events and immune cell activation.

Risks

  • Potential for significant adverse events, including grade 3 or 4 complications.

Patient & Prescribing Data

Children with relapsed/refractory solid tumors.

Combination therapy shows manageable safety profile but limited efficacy.

Clinical Best Practices

  • Utilize immune checkpoint inhibitors in pediatric oncology with caution.
  • Monitor immune response markers to assess treatment impact.

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