Phase 1a and Phase 2 Study for Safety, Preliminary Efficacy, PK and PD of ST-067

Trial statusRecruiting
Trial phasePhase 1, Phase 2
Trial typeInterventional
Biological sexAll
Age18+
SponsorSimcha IL-18, Inc.

About this trial

This is a multiphase, multicenter study, which includes a Phase 1a open-label, dose escalation monotherapy study of ST-067 given as an SC injection with or without obinutuzumab \[Gazyva®\] pre-treatment, by IV infusion, and in combination with pembrolizumab. A Phase 2 monotherapy arm is also planned; the exact design of the Phase 2 study elements with respect to formulation and pre-treatment will be determined after completion of the Phase 1 study portion of the trial.

Eligibility criteria

Qualifiers

Male and female patients aged ≥18 years

Must provide written informed consent and any authorizations required by local law

Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

Have histologically or cytologically confirmed diagnosis of advanced/metastatic solid tumor

Disqualifiers

History of another malignancy

Known symptomatic brain metastases requiring >10 mg/day of prednisolone or equivalent

Significant cardiovascular disease (MI, thrombotic events,) within 6 months prior to study treatmentSignificant ECG abnormalities (Phase 1a and 2 monotherapy only) including unstable cardiac arrhythmia requiring medication, second-degree atrioventricular block type II, third degree AV

Any degree of respiratory compromise (from either malignant or non-malignant disease)

Trial design

Treatments tested in this trial

  • ST-067
  • Obinutuzumab 25 MG/1 ML Intravenous Solution [GAZYVA]
  • pembrolizumab

Treatment groups

316 Participants
are divided into 4 treatment groups

Sponsors and collaborators

Simcha IL-18, Inc.

Lead sponsor

Merck Sharp & Dohme LLC

Collaborator