BRiTE - Bispecific T Cell Engager for Patients With Glioblastoma

Trial statusNot yet recruiting
Trial phasePhase 1
Trial typeInterventional
Biological sexAll
Age18+
SponsorMustafa Khasraw, MBChB, MD, FRCP, FRACP

About this trial

This Phase 1 study will assess the safety of a novel brain Bispecific T cell engager (BRiTE) in patients with newly diagnosed or recurrent World Health Organization (WHO) Grade 4 glioblastoma (GBM). Owing to its short half-life, the study drug, BRiTE, will be continuously infused intravenously (IV) for 4 days (96 hours) in a 28-day cycle. Given that BRiTE specifically exerts its effects on tumor cells expressing the Epidermal Growth Factor Receptor variant III (EGFRvIII) mutation, we will only enroll patients with EGFRvIII-positive tumors in this study.

The primary objective is to evaluate the safety and tolerability of continually infused BRiTE in ndGBM and rGBM patients and determine the maximum tolerated dose (MTD) for continuously infused BRiTE.

Eligibility criteria

Qualifiers

Age ≥ 18 years old at the time of entry into the study

For both newly diagnosed and recurrent patients, pathologically documented supratentorial WHO grade 4 GBM with a confirmed EGFRvIII mutation at the most recent diagnosis, with radiographic contrast enhancing disease that is ≤ 4 cm in maximal diameter in any plane before resection.

Patients with methylated MGMT promoter status should have received standard of care concomitant RT and TMZ, followed by 6 cycles of adjuvant TMZ, before they can participate in this study

Patients with an unmethylated MGMT promoter status should have received standard of care RT, but need not have received concomitant TMZ or 6 cycles of adjuvant TMZ and can be enrolled after 4 weeks from completion of standard of care RT

Disqualifiers

Patients who are pregnant or breastfeeding/chestfeeding

Patients with baseline corrected QT interval (QTc) > 480ms on screening electrocardiogram (ECG).

Known hypersensitivity to immunoglobulins or to any other component of BRiTE

Patients with an impending, life-threatening cerebral herniation syndrome, based on the assessment of the study neurosurgeons or their designate

Trial design

Treatments tested in this trial

  • hEGFRvIII-CD3 (BRiTE)

Treatment groups

18 Participants
are divided into 1 treatment group

Sponsors and collaborators

Mustafa Khasraw, MBChB, MD, FRCP, FRACP

Lead sponsor

Duke University

Sponsor institution

Adaptin Bio

Collaborator