OncoMatch

OncoMatch/Clinical Trials/NCT06439225

Platinum and Taxane Chemo in Met Castration Resistant Prostate Cancer Patients With Alterations in DNA Damage Response Genes

Is NCT06439225 recruiting? Yes, currently enrolling (Sep 2026). This Phase 3 trial studies multiple treatments including Docetaxel and Carboplatin for metastatic castration-resistant prostate cancer.

Phase 3RecruitingCanadian Cancer Trials GroupNCT06439225Data as of Sep 2026Location: Canada

Treatment: Docetaxel · CarboplatinThe usual approach for most patients who are not in a study is treatment with docetaxel. This study is being done to answer the following question: Can the chance of prostate cancer growing or spreading be lowered by adding a drug to the usual approach? This study is being done to find out if this approach is better or worse than the usual approach for prostate cancer. The usual approach is defined as the care most people get for prostate cancer.

Check if I qualify

Extracted eligibility criteria

Treatments studied

Chemotherapy

DocetaxelCarboplatin

Cancer type

Prostate Cancer

Biomarker criteria

Required: BRCA1 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: BRCA2 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: ATM tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: ATR tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: BRIP1 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: BARD1 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: CDK12 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: CHEK1 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: CHEK2 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: ERCC2 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: FANCA tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: FANCC tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: FANCD2 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: FANCL tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: PALB2 tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: RAD51B tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: RAD51C tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: RAD51D tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Required: RAD54L tier i or tier ii germline or somatic alteration

Qualifying Tier I or Tier II (clinically significant/likely clinically significant or pathogenic / likely pathogenic) germline or somatic alterations involving one or more of the following DDR genes: BRCA1, BRCA2, ATM, ATR, BRIP1, BARD1, CDK12, CHEK1, CHEK2, ERCC2, FANCA, FANCC, FANCD2, FANCL, PALB2, RAD51B, RAD51C, RAD51D, RAD54L. Monoallelic gene deletions in isolation will not be eligible.

Disease stage

Metastatic disease required

Performance status

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

Demographics

Male only

Prior therapy

Must have received: androgen receptor pathway inhibitor (abiraterone, enzalutamide, apalutamide, darolutamide)

Prior treatment with any ARPI, such as abiraterone, enzalutamide, apalutamide, or darotlutamide, is required. Disease progression after ARPI therapy as assessed by the investigator

Cannot have received: platinum-based chemotherapy for prostate cancer (carboplatin, cisplatin, oxaliplatin, satraplatin)

Received prior platinum chemotherapy (i.e. carboplatin, cisplatin, oxaliplatin, satraplatin) at any time for the treatment of prostate cancer

Cannot have received: taxane chemotherapy for prostate cancer (docetaxel, paclitaxel, cabazitaxel)

Exception: docetaxel for mCSPC or adjuvant therapy after curative intent treatment for localized prostate cancer, as long as it was no more than 6 cycles and at least 12 months have elapsed from their last treatment to the date of enrollment

prior taxane chemotherapy (docetaxel, paclitaxel, cabazitaxel) at any time for the treatment of prostate cancer with the exception of docetaxel for mCSPC or adjuvant therapy after curative intent treatment for localized prostate cancer, as long as it was no more than 6 cycles and at least 12 months have elapsed from their last treatment to the date of enrollment

Lab requirements

Blood counts

Participants must have adequate organ and marrow function measured within 14 days prior to enrolment

Kidney function

Participants must have adequate organ and marrow function measured within 14 days prior to enrolment

Liver function

Participants must have adequate organ and marrow function measured within 14 days prior to enrolment

Participants must have adequate organ and marrow function measured within 14 days prior to enrolment

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

Frequently asked questions

Is NCT06439225 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior platinum-based chemotherapy for prostate cancer, taxane chemotherapy for prostate cancer disqualifies patients from enrollment.

Does this trial require BRCA1?

Yes, BRCA1 tier i or tier ii germline or somatic alteration is a required biomarker for enrollment.

Does this trial require BRCA2?

Yes, BRCA2 tier i or tier ii germline or somatic alteration is a required biomarker for enrollment.

Does this trial require ATM?

Yes, ATM tier i or tier ii germline or somatic alteration is a required biomarker for enrollment.

Is this trial open to female patients?

No. This trial enrolls male patients only.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

Check if I qualify