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OncoMatch/Clinical Trials/NCT06663007

RC48 Monotherapy or Combination With Envafolimab for CDK12 Alterations mCRPC With Standard Treatment Failure

Is NCT06663007 recruiting? Yes, currently enrolling (May 2026). This Phase 1/2 trial studies multiple treatments including RC48 and Envafolimab for prostate cancer.

Phase 1/2RecruitingTianjin Medical University Second HospitalNCT06663007Data as of May 2026

Treatment: RC48 · EnvafolimabThe aim of this study is to evaluate the efficacy and safety of vediximab monotherapy or in combination with enrolizumab for second-line treatment of CDK12 alterations mCRPC that has failed standard therapy. The research results are expected to provide new insights and breakthroughs for the treatment of advanced prostate cancer.

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Extracted eligibility criteria

Cancer type

Prostate Cancer

Biomarker criteria

Required: CDK12 mutation

Carrying CDK12 mutation combined with ERBB amplification (NGS or FISH) or HER2 IHC (1+, 2+, 3+)

Required: HER2 (ERBB2) amplification

Carrying CDK12 mutation combined with ERBB amplification (NGS or FISH) or HER2 IHC (1+, 2+, 3+)

Required: HER2 (ERBB2) IHC 1+ (IHC 1+)

HER2 IHC (1+, 2+, 3+)

Required: HER2 (ERBB2) IHC 2+ (IHC 2+)

HER2 IHC (1+, 2+, 3+)

Required: HER2 (ERBB2) IHC 3+ (IHC 3+)

HER2 IHC (1+, 2+, 3+)

Disease stage

Metastatic disease required

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Prior therapy

Min 1 prior line

Must have received: novel endocrine therapy (abiraterone, enzalutamide, darotamine, apatamide, rivalutamide)

Prior exposure to at least one novel endocrine therapy (including abiraterone, enzalutamide, darotamine, apatamide, and rivalutamide)

Must have received: PARP inhibitor

depletion of PARPi treatment

Cannot have received: HER2-targeted therapy

Have not used HER2 targeted drugs (including antibodies, small molecule TKIs, and antibody drug conjugates)

Lab requirements

Blood counts

Hb ≥ 90g/L (no blood transfusion or blood products within 14 days, no correction with G-CSF or other hematopoietic stimulating factors); ANC≥1.5×10^9/L; PLT≥90×10^9/L

Kidney function

BUN and Cr ≤ 1.5 × ULN

Liver function

TBiL≤1×ULN; ALT and AST ≤ 1.5 × ULN; ALP≤2.5×ULN

Cardiac function

Left ventricular ejection fraction (LVEF) ≥ 50%

The main organ functions are normal, which meets the following criteria: ... blood routine ... biochemical tests ... cardiac ultrasound

Structured fields extracted by AI. May contain errors — verify against the official protocol.

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