A Phase II Study to Evaluate the Safety, Efficacy, and Pharmacokinetics of YL201 in Patients With mCRPC

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexMale
Age18+
SponsorMediLink Therapeutics (Suzhou) Co., Ltd.

About this trial

This is a multicenter, open-label, phase II study of YL201 in China to evaluate the efficacy, safety, and PK characteristics of YL201 on mCRPC.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Subjects who understand relevant information of the study prior to initiation of the study and voluntarily sign and date on the ICF.

Age ≥ 18 years.

Histologically or cytologically confirmed prostate cancer. Note: The primary histological classification indicated by biopsy should be adenocarcinoma;

Subjects who understand relevant information of the study prior to initiation of the study and voluntarily sign and date on the ICF.

Disqualifiers

Previously treated with drugs targeting B7H3.

Currently participating in another clinical study, unless it is an observational (non-interventional) clinical study, or the patient is at the follow-up period of an interventional study.

Previously treated with topoisomerase I inhibitors or ADC therapy composed of topoisomerase I inhibitors.

The washout period of the previous anti-tumor therapy is considered insufficient.

Trial design

Design model

Single group

Treatments tested in this trial

  • YL201 for Injection

    Drug

    Patients will be treated with YL201 intravenous (IV) infusion once every 3 weeks on Day 1 or twice every 3 weeks on Day 1 and Day 8 during a 3-week (21-day) cycle.

Treatment groups

100 Participants
are divided into 2 treatment groups
Group A: Part 1Experimental treatment 1 intervention
Group B: Part2Experimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Objective response rate (ORR) by RECIST1.1 and PCWG3 criteria per investigators' review

defined as percentage of participants with confirmed best overall response of confirmed complete response (CR) or partial response (PR) to treatment

Time frame
Approximately within 36 months
2

Radiographic progression free survival (rPFS), and rPFS rate at 3/6 months by RECIST1.1 and PCWG3 criteria per investigators' review

defined as the time from the date of first administration to first documented progressive disease (PD) per RECIST1.1 and PCWG3 or death from any cause, whichever occurs first.

Time frame
Approximately within 36 months
3

Recommended dose of YL201 for the pivotal clinical trial.

Time frame
Approximately within 36 months

Secondary outcomes

1

disease control Rate (DCR) by RECIST1.1 and PCWG3 criteria per investigators' review

Disease control rate

Time frame
Approximately within 36 months
2

To evaluate DoR by RECIST1.1 and PCWG3 criteria per investigators' review of YL201 in the treatment of mCRPC

Duration of rasponse

Time frame
Approximately within 36 months
3

To evaluate TTR of YL201 in the treatment of mCRPC

Time to Objective response

Time frame
Approximately within 36 months
4

To evaluate DpR of YL201 in the treatment of mCRPC

deepness of response

Time frame
Approximately within 36 months

Other outcomes

Sponsors and contacts

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