Clinical trials

This study consists of a randomized, double-blind, placebo-controlled Phase Ia part and an open-label Phase Ib part. The Phase Ia part is a single ascending-dose study of subcutaneous QLS2404 Injection in healthy participants, designed to evaluate the safety and tolerability of QLS2404 Injection in healthy participants. The Phase Ib part is a multiple ascending-dose study of subcutaneous QLS2404 Injection in participants with systemic lupus erythematosus and primary Sjögren's syndrome, designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of QLS2404 Injection.

Study To Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Preliminary Efficacy of QLS2319 in Healthy Subjects and Cancer Cachexia

QLS7305 injection is a chemically synthesized double-stranded small interfering RNA (siRNA) targeting complement C3, covalently linked to a ligand containing N-acetylgalactosamine (GalNAc) residues. After subcutaneous (SC) administration, it can inhibit C3 synthesis through the RNA interference (RNAi) mechanism, reduce circulating C3 protein levels, decrease the generation of complement-activated C5 convertase, and inhibit complement pathway activation. It is expected to become an effective treatment for complement-mediated kidney diseases and hematological disorders.

QLC2519 (Mai Li Sheng®) is a new protein drug created by fusing the N-terminal of highly active modified G-CSF with the C-terminal of HSA. The modified G-CSF retained high activity while reducing affinity for the G-CSF receptor, which can significantly inhibit the the G-CSF receptor-mediated (RMC) pathway. The aim of this study is to evaluate the PK/PD characteristics of QLC2519 in preventing chemotherapy-induced neutropenia (CIN) in children with sarcoma.

This study is a randomized, open, multicenter phase III clinical study designed to compare the efficacy and safety of QLS31905 injection combined with CAPOX versus sintilimab combined with CAPOX in the first-line treatment of CLDN18.2 positive, PD-L1 CPS \< 5 unresectable locally advanced or metastatic gastric or gastroesophageal junction adenocarcinoma.

The purpose of the study is to compare the efficacy of QLS32105 (SC) in combination with Pomalidomide, and QLS32105 (SC) in combination with QL2109 or Daratumumab, and QLS32105 (SC) in combination with QL2109 or Daratumumab and Pomalidomide, and QLS32105(SC) in combination with Bortezomib and Lenalidomide.

This is an open-label, dose-escalation and expansion Phase I clinical trial designed to evaluate the safety, tolerability, pharmacokinetic (PK) profile, immunogenicity, and preliminary antitumor activity of QLF4113 monotherapy in participants with metastatic prostate cancer. The Phase I trial consists of two parts: Phase Ia and Phase Ib. Phase Ia is a dose-escalation study of QLF4113 monotherapy to determine the recommended phase two dose and assess safety and PK. Then the study will proceed to Phase Ib, a dose-expansion study to further evaluate the preliminary efficacy and safety of QLF4113 monotherapy under the selected doses.

It is a multicenter randomized, double-blinded, parallel, positive-controlled, Phase 3 comparative study to evaluate the efficacy and safety of QL2106 injection to Tremfya® in Patients with Moderate to Severe Plaque Psoriasis. A total of 318 subjects are planned to be included and randomized at a ratio of 1:1 to receive QL2106 injection orTremfya®

This is a randomized, open-label, active-controlled, multicenter Phase III trial evaluating QLC5508 versus docetaxel in participants with metastatic castration-resistant prostate cancer (mCRPC) who have progressed after prior treatment with novel hormonal agents (NHAs). Participants are randomized to receive either QLC5508 monotherapy (experimental arm) or docetaxel (control arm). The primary objective is to compare the efficacy of QLC5508 versus docetaxel, as measured by radiographic progression-free survival (rPFS) assessed by an Independent Radiological Review Committee (IRC).

This study is an open-label, multicenter Phase Ib/II clinical trial designed to evaluate the safety, tolerability, pharmacokinetics, and preliminary anti-tumor activity of QLC5508 in combination with NHA (abiraterone or enzalutamide), QLC5508 in combination with QLH12016, QLC5508 in combination with QLH12016 and NHA (abiraterone or enzalutamide), and QLH12016 in combination with NHA (abiraterone or enzalutamide) in subjects with advanced prostate cancer. The study consists of two stages: Phase Ib: is the combination dose-escalation stage, during which the recommended Phase II dose (RP2D) will be determined. Phase II is the efficacy exploration stage, in which, based on the RP2D established in Phase Ib, the therapeutic efficacy will be further evaluated in the target indication.

A clinical trial of QLC5508 for advanced solid tumors The goal of this clinical trial is to learn if QLC5508 can be given safely to adults with advanced solid tumors. It will also learn how two different formulations of QLC5508 compare in the body, and whether other drugs affect QLC5508. The main questions it aims to answer are: Does a single injection of QLC5508 change the heart's electrical activity (QTc interval)? How do the test formulation and the reference formulation of QLC5508 compare in the body (pharmacokinetics)? Do other drugs (itraconazole, darolutamide, or rifampicin) change how the body processes QLC5508? Investigators will compare the test formulation to the reference formulation, and will also give QLC5508 together with itraconazole, darolutamide, or rifampicin to look for drug-drug interactions. Participants will: Receive QLC5508 by injection into a vein; Join one of three groups: two groups will receive both formulations of QLC5508 at different times (crossover) and also take rifampicin or itraconazole; the third group will take darolutamide with QLC5508; Have heart monitoring (Holter) during the first dose; Undergo regular blood tests, safety checks, and immunogenicity testing (to see if the body develops antibodies against QLC5508).

This is a Phase II, multicenter, randomized, double-blind, placebo-controlled, parallel-design clinical trial to evaluate efficacy and safety of QL2401 in patients with metabolic dysfunction-associated steatohepatitis and liver fibrosis (F2-F3).

This study is a multi-center, open label, phase Ib/II clinical trial aimed at evaluating the safety, preliminary efficacy characteristic and PK characteristics of QLS1304 in combined with endocrine therapy in ER+/HER2- breast cancer patients. This study was divided into two stages: combo dose escalation and dose expansion.

The purpose of this study is to compare the safety and efficacy of QLS32015 with Pd/Sd for the treatment of relapsed or refractory multiple myeloma.

This is a Phase 1, open-label, multi-center, first-in-human, dose escalation and cohort expansion study evaluating multiple doses and schedules of intravenously administered QLS5212 in participants with unresectable locally, advanced or metastatic cancer.

This is a multicenter, randomized, double-blind, placebo-controlled, parallel-group, phase 2 study. A total of 276 eligible Parkinson's disease participants with motor fluctuations will be enrolled and assigned to one of three cohorts. Within each cohort, participants will be randomized in a 3:1 ratio to receive either GM1 or matching placebo, resulting in six groups: Cohort 1 GM1 (n=69), Cohort 1 Placebo (n=23); Cohort 2 GM1 (n=69), Cohort 2 Placebo (n=23); Cohort 3 GM1 (n=69), Cohort 3 Placebo (n=23). All participants will continue their pre-enrollment anti-Parkinson's medication regimen as background therapy, which should remain as stable as possible during the study. The study consists of a 28-day screening period and an 85-day double-blind treatment period.

The purpose of the study is to compare the efficacy of QLS4131(SC) in combination with QL2109, with or without pomalidomide or lenalidomide, and QLS4131 (SC) in combination with QL2109, and QLS4131 (SC) in combination with Pomalidomide, and QLS4131(SC) in combination with QL2109 and Lenalidomide.

This study is to evaluate the efficacy and safety of QLG1091 vs Rybelsus as add-on to Metformin in Subjects With Type 2 Diabetes. The primary objective is to demonstrate equivalence of QLG1091 and Rybelsus. This study is a randomized, open-label, active-controlled, parallel-group, multi-center Study. The total duration of the study will be approximately 33 weeks including screening and follow-up.

This study is designed to assess the efficacy and safety of QLC5508 in patients with unresectable advanced or metastatic esophageal squamous cell carcinoma (ESCC) who have experienced disease progression following treatment with a platinum-based systemic therapy and an immune checkpoint inhibitor (ICI) compared with investigator's choice of chemotherapy (ICC).

This is a Phase II, multicenter, randomized, double-blind, placebo-controlled, parallel-group study to evaluate the safety, tolerability, and efficacy of QLS1410 versus placebo, on the reduction of Seated Blood Pressure (SBP) in participants ≥ 18 years of age with Primary Aldosteronism (PA) with or without prior treatment with Mineralocorticoid Receptor Antagonists (MRAs) or potassium-sparing diuretics. QLS1410 (or placebo) will be administered once daily, up-titrated after 2 weeks or 4 weeks based on clinical response and tolerability.

The goal of this clinical trial is to evaluate the safety and efficacy of QLP2117 in combination with QL2107 in Advanced Solid Tumor Patients.

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of QLH2405 injection in healthy participants and participants with mild cognitive impairment (MCI) due to Alzheimer's disease (AD) and mild Alzheimer's disease.

The goal of this clinical trial is to evaluate the efficacy and safety of QL1207H injection versus aflibercept 8 mg in patients with neovascular age-related macular degeneration. The main question it aims to answer is: • Whether the efficacy and safety of QL1207H and aflibercept 8 mg are similar. Participants will receive injection once every 4 weeks for 3 consecutive doses, followed by injection once every 16 weeks at maximum. Researchers will compare QL1207H group and aflibercept 8 mg group to see if they are similar in improving best corrected visual acuity.

The goal of this Phase I study is to evaluate the safety, tolerability, pharmacokinetics, and preliminary efficacy of QLS5308 monotherapy in participants with Advanced Solid Tumors. This study is divided into two phases: Phase Ia is the dose escalation phase, where dose escalation of QLS5308 conducted and RP2D is explored; In the Phase Ib tumor type expansion study stage, the primary objective is to evaluate the objective response rate (ORR) of QLS5308 with advanced solid tumors.

The goal of this clinical trial is to evaluate the safety, tolerability, pharmacokinetics (PK), and effectiveness of the investigational drug QLS5132 (injectable) in combination with other therapies for participants with advanced solid tumors. This is a multicenter, open-label study consisting of two parts: dose escalation and tumor-specific expansion. The main questions it aims to answer are: * In the dose-escalation part: What is the safety, tolerability, PK profile, and preliminary efficacy of QLS5132 combination therapy, and what are the recommended dose(s) for expansion? * In the expansion part: What is the anti-tumor efficacy and further safety profile of QLS5132 combination therapy at the selected dose(s) in participants with specific tumor types? Participants will: * Be enrolled in sequential cohorts to receive QLS5132 in combination with other anticancer agents. * Undergo regular assessments for safety, drug concentration levels (PK), and tumor response.