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NCT04718584CompletedPhase 2

the Efficacy and Safety of LDP in Patients With Urinary and Male Genital Tumors

A Single-arm, Open, Multicenter, Phase II Clinical Study of the Efficacy and Safety of Human Anti-PD-L1 Monoclonal Antibody Injection (LDP) in the Treatment of Urinary and Male Genital Tumors

Source: ClinicalTrials.gov · Last updated 6 Jul 2026

Brief summary (registry, in English)

This is a single-arm,open, multicenter, phase II clinical study of the efficacy and safety of human anti-PD-L1 monoclonal antibody Injection (LDP) in the treatment of urinary and male genital tumors.

Status (registry)
Completed
Phase (registry)
Phase 2
Study type
Interventional
Enrollment
27 (actual)
First submitted
13 Jan 2021
Start date
11 Sept 2020
Primary completion date
27 Feb 2024
Lead sponsor
Dragonboat Biopharmaceutical Company Limited
NCT number
NCT04718584

What you commit to

  • Study type: Interventional · Phase 2
  • Participants enrolled: 27
  • From 11 Sept 2020 to the primary completion date, 27 Feb 2024
  • 1 site in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Received radiotherapy, chemotherapy, targeted therapy, endocrine therapy or immunotherapy within 4 weeks before the first administration, or other unlisted clinical trial drug therapy (mitomycin and nitrosourea are 6 weeks from the last administration, oral fluorouracil drugs such as Tegiol and Capecitabine are at least 2 weeks from the last administration, small molecule targeted drugs are at least 2 weeks or at least interval 5 half-life (Subject to the longer time) from the last administration, and traditional Chinese medicine with antitumor indications are at least 2 weeks from the last administration.
  • Major organ surgery (excluding puncture biopsy) or significant trauma occurred within 4 weeks prior to the first administration.
  • The adverse effects of previous antitumor therapy have not recovered to CTCAE 5.0 ≤grade1 (except for alopecia)
  • Patients who had previously received PD-1 or PD-L1 inhibitors;
  • Immunorelated adverse events ≥ Grade 3 were observed in previous immunotherapy except for PD-1 or PD-L1 inhibitors;
  • Patients who received systemic corticosteroid (prednisone \> 10mg/ day or equivalent) or other immunosuppressive therapy within 14 days prior to initial dosing; Exceptions include: topical, ocular, intraarticular, intranasal, and inhaled corticosteroids;Short-term use of corticosteroids for preventive treatment, such as before the use of contrast agents;
  • Malignancies that were active within the last 2 years prior to initial administration (except for the tumors targeted in this study);
  • Known alcohol or drug dependence;
  • Have received live attenuated vaccine within 4 weeks before the first administration or scheduled to receive during the study period.

Other illness

  • Patients have any active autoimmune diseases or a history of autoimmune diseases (e.g., but not limited to: systemic lupus erythematosus, autoimmune hepatitis, interstitial pneumonia, uveitis, enteritis, hypophysitis, vasculitis, nephritis, hyperthyroidism, vitiligo, etc.); Complete remission of asthma in childhood can be included if in adults without any intervention;Asthma patients requiring bronchodilators for medical intervention were excluded);
  • Uncontrolled active hepatitis B (HBsAg positive with HBV DNA copy number \> 103/ mL or HBV DNA titer \>200 IU/ mL); Hepatitis C;
  • Syphilis infection (syphilis antibody positive) and HIV positive patients.
  • Patients with a history of other serious systemic diseases who have been determined by the investigator to be unsuitable for participation in clinical trials;
  • Mental disorder or poor compliance;

Lab values

  • A history of serious cardiovascular disease, including ventricular arrhythmias requiring clinical intervention;Acute coronary syndrome, congestive heart failure, stroke, or other grade 3 or higher cardiovascular events within 6 months;New York Heart Association (NYHA) cardiac function grade ≥II or left ventricular ejection fraction (LVEF) \< 50%;Patients with clinically uncontrolled hypertension who are not suitable for the trial as determined by the investigator;
  • The Investigator considers that the subject is unsuitable to participate in this study because of any clinical or laboratory test abnormalities or other reasons.

Other

  • Patients with clinical symptoms of brain metastases, spinal cord compression, cancerous meningitis, or other evidence of uncontrolled brain or spinal cord metastases are not suitable for inclusion as judged by the investigator
  • Women who are pregnant or lactating;

Who the study is looking for

  • Age ≥ 18 (inclusive), ≤18 (inclusive)
  • Patients with muscular-infiltrating bladder cancer suitable for surgery; advanced opaque cell renal carcinoma; advanced penile carcinoma
  • The estimated survival time is more than 3 months.
  • At least one assessable tumor lesion according to RECIST1.1 (in cohort 1, evaluate lesion is accept);
  • ECOG physical strength score 0-1;
  • Enough organ function: Blood routine (no blood transfusion or colony stimulating factor (G-CSF) treatment within 14 days):ANC≥1.5×109 / L, PLT≥75×109 / L, Hb≥80g/L; Liver function: TBIL≤1.5×ULN, ALT≤2.5×ULN, AST≤2.5×ULN (ALT,AST≤5×ULN for liver metastasis patients); Renal function: Cr ≤ 1.5 × ULN, and creatinine clearance \> 50 ml /min(according to Croft Gault formula) ; Coagulation function: APTT≤ 1.5 ×ULN, PT ≤ 1.5 × ULN, INR ≤ 1.5 × ULN;
  • Eligible patients (male and female) with fertility must agree to use reliable methods of contraception (hormone or barrier or abstinence) during the trial period and at least 6 months after the last dose; The blood or urine pregnancy test within 7 day before being selected must be negative for the female patients of childbearing age;
  • Subjects must give informed consent to this study before the study, and voluntarily sign a written informed consent;

Age in the registry: 18 years to 75 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Dragonboat Biopharmaceutical,Co.,Ltd
Coordinator of this site? Confirm its status
ShanghaiChinaUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.