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Closed (no longer recruiting)Last updated: 5 February 2024

This phase I/II trial will begin to understand how safe and tolerable a new type of targeted therapy is for patients with advanced solid cancers, given as a monotherapy (alone) or in combination with another targeted cancer therapyA Phase 1/2, First-in-Human, Open-Label, Dose-Escalation Study of MGC018 (Anti-B7-H3 Antibody Drug Conjugate) Alone and in Combination With MGA012 (Anti-PD-1 Antibody) in Patients With Advanced Solid Tumors

Clinical summary

Summary

This study will characterise safety, dose-limiting toxicities (DLTs), maximum tolerated/administered dose (MTD/MAD) and anti-tumour activity for MGC018 as monotherapy (Module A) or in combination with MGA012 (Module B). Each module consists of a Dose Escalation Phase, followed by a Cohort Expansion Phase. Patients with solid tumours will be enrolled in the Dose Escalation Phase; Cohort Expansion will include patients with metastatic castrate-resistant prostate cancer (mCRPC), non-small cell lung cancer (NSCLC), and triple-negative breast cancer (TNBC). Patients who do not experience unacceptable toxicity or meet criteria for permanent discontinuation may undergo additional cycles for up to two years. Patients in Cohort Expansion will be followed for survival every 3 months for 2 years following last dose.

Conditions

This trial is treating patients with advanced solid cancers, including metastatic castrate resistant prostate cancer, non-small cell lung cancer or triple negative breast cacer.

Cancer

Multi-Cancer Multi-Cancer

Age

People18+

Phase

I/II

More information

Trial Identifiers

Use the hyperlinks, where available to access additional clinical trial information.

Trial sponsor

MacroGenics

Scientific Title

A Phase 1/2, First-in-Human, Open-Label, Dose-Escalation Study of MGC018 (Anti-B7-H3 Antibody Drug Conjugate) Alone and in Combination With MGA012 (Anti-PD-1 Antibody) in Patients With Advanced Solid Tumors

Eligibility

Inclusion

  • Tissue specimen available for retrospective analysis of B7-H3 and PD-L1 expression.
  • Eastern Cooperative Oncology Group performance status of ≤2
  • Life expectancy ≥ 12 weeks for dose escalation phase and ≥ 24 weeks for cohort expansion phase
  • Measurable disease. Prostate cancer patients with bone only disease are eligible.
  • Acceptable laboratory parameters and adequate organ reserve.
  • Dose Escalation Phase: Patients with histologically proven, unresectable, locally advanced or metastatic solid tumors for whom no therapy with demonstrated clinical benefit is available.

Module A Cohort Expansion:

  • mCRPC that has progressed with one prior line of chemotherapy for metastatic disease and no more than two prior lines of anti-hormonal therapy.
  • NSCLC: metastatic disease after standard cytotoxic, targeted, and biologic or checkpoint inhibitor therapy. No more than 2 prior lines of chemotherapy.
  • TNBC: Locally advance or metastatic disease that has progressed following at least one systemic therapy.
  • SCCHN that has progressed during or following at least one systemic therapy for metastatic or recurrent unresectable disease. No more than 2 prior lines of chemotherapy.
  • Melanoma that has progressed during or following at least one systemic treatment for unresectable locally advanced or metastatic disease. Patients who are intolerant of or refused standard therapy are eligible.

Exclusion

  • Patients with history of prior central nervous system (CNS) metastasis must have been treated, be asymptomatic, and not have concurrent treatment for CNS disease, progression of CNS metastases on MRI, CT or PET within 6 months, or history of leptomeningeal disease or cord compression at the time of enrollment.
  • Prior treatment with B7-H3 targeted agents for cancer.
  • Treatment with systemic cancer therapy, biologic agents, or anti-hormonal therapy (mCRPC) within 4 weeks, prior small molecule targeted or kinase inhibitors within 14 days or 5 half-lives, prior radioligand within 6 months
  • Clinically significant cardiovascular disease.
  • Clinically significant pulmonary compromise or requirement for supplemental oxygen.
  • History of clinically-significant cardiovascular disease, including but not limited to pericarditis or pericardial effusion.
  • Active viral (including confirmed or presumed COVID-19), bacterial, or systemic fungal infection requiring parenteral treatment within 7 days of first study drug administration.
  • Known history of hepatitis B or C infection or known positive test for hepatitis B surface antigen or core antigen, or hepatitis C polymerase chain reaction.
  • Known positive testing for human immunodeficiency virus or history of acquired immune deficiency syndrome.
  • Major trauma or major surgery within 4 weeks of first study drug administration.
  • Clinically significant venous insufficiency.
  • > Grade 1 peripheral neuropathy.
  • Evidence of pleural effusion.
  • Evidence of ascites.
  • Serum testosterone >50 ng/dl or >1.7 nmol/L in mCRPC in Module A Cohort Expansion Phase

Inclusion

  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.
  • Your cancer has spread to other parts of the body.

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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