ClinicalTrials.gg
Not yet recruitingNCT07692048SYS6010Updated Jul 9, 2026

A Phase Ib Study of Tislelizumab Plus SYS6010 in Immunotherapy-Pretreated Locally Advanced or Metastatic NSCLC

A Phase 1 interventional study of SYS6010 in NSCLC, sponsored by Sichuan University. Not yet recruiting at 1 site in China. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2026-07-09.

Sponsored by Sichuan University · Phase 1, Interventional, and Treatment

Phase
Phase 1
Study type
Interventional
Enrollment
21
Allocation
Not applicable
Ages
18 Years to 75 Years
Sex
All
01

Study summary

Introduction: Patients with driver gene-negative non-small cell lung cancer (NSCLC) who experience treatment failure following immune checkpoint inhibitor (ICI) therapy have limited subsequent treatment options, representing an unmet clinical need. EGFR is commonly expressed in EGFR wild-type NSCLC and represents a potential target for therapeutic intervention. Antibody-drug conjugates (ADCs) combine the high targeting specificity of antibodies with the potent cytotoxic effects of payloads. SYS6010 is an EGFR-targeting ADC conjugated to a topoisomerase I inhibitor. Preclinical and clinical studies suggest that the combination of ADCs and ICIs can synergistically enhance anti-tumor efficacy through multiple immunomodulatory mechanisms. Tislelizumab is an approved PD-1 inhibitor for advanced NSCLC. This study aims to evaluate the safety and efficacy of SYS6010 in combination with tislelizumab in patients with driver gene-negative NSCLC who have failed prior PD-1/PD-L1 inhibitor therapy.

Methods: This is an exploratory clinical trial enrolling patients with driver gene-negative NSCLC who have failed prior PD-1 or PD-L1 inhibitor therapy. The primary objective is to evaluate the safety of the combination therapy, with primary endpoints including the incidence, severity, and type of adverse events (AEs) according to NCI-CTCAE v6.0 criteria. Secondary objectives include assessing efficacy (objective response rate [ORR], disease control rate [DCR], duration of response [DOR], progression-free survival [PFS], overall survival [OS]) and exploring the association of potential predictive or prognostic biomarkers (e.g., EGFR and PD-L1 expression levels) with response to study treatment.

02

Conditions studied

  • NSCLC
03

In context

Lead sponsor

Sichuan University is the lead sponsor of 107 studies on the registry; 66 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 75 Years
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Inclusion Criteria:

  • Subjects must meet all of the following inclusion criteria to be eligible for enrollment in this study:

Have or cytologically confirmed locally advanced or NSCLC that is not amenable to curative surgery or radiotherapy.

Have no known EGFR mutations, ALK rearrangements, or ROS1 rearrangements.

Have experienced radiographic disease progression per v1.1 after prior treatment with an anti-PD-(L)1 antibody for locally advanced or metastatic NSCLC, with prior therapy including:

Progression on anti-PD-(L)1 antibody combined with platinum-based chemotherapy (); or

Progression on platinum-based chemotherapy following prior anti-PD-(L)1 monotherapy (third-line); or

Progression on anti-PD-(L)1 monotherapy and considered unfit for platinum-based chemotherapy (second-line); or

Progression on anti-PD-(L)1-containing therapy following prior platinum-based chemotherapy (third-line).

a. or neoadjuvant therapy is counted as one prior line of therapy if the time between the last dose of chemotherapy and tumour recurrence is ≤ 6 months.

Have at least one evaluable tumour lesion per RECIST v1.1 (see Appendix 1).

Have an (ECOG) performance status of 0 or 1 (see Appendix 2).

Have a of ≥ 3 months as assessed by the investigator.

Agree to undergo tumour tissue before the first study treatment and during the treatment period, whenever clinically feasible.

Have adequate bone marrow, hepatic, renal, and coagulation function confirmed by laboratory tests obtained within 7 days before the first dose (transfusion or growth factor support is not permitted within 2 weeks prior to the screening assessment):

Bone marrow function: ≥ 1.5 × 10⁹/L; count ≥ 100 × 10⁹/L; ≥ 90 g/L.

Hepatic function: Total ≤ 1.5 × (ULN) (or ≤ 3 × ULN in the presence of liver metastases); (AST) and alanine aminotransferase (ALT) ≤ 2.5 × ULN (or ≤ 5.0 × ULN in the presence of liver metastases); albumin ≥ 28 g/L.

Renal function: Serum creatinine ≤ 1.5 × ULN or ≥ 50 mL/min (calculated using the Cockcroft-Gault formula; see Appendix 3).

Coagulation function: (INR) and activated partial thromboplastin time (APTT) ≤ 1.5 × ULN.

Subjects with chronic virus (HBV) infection must have HBV-DNA \< 1000 IU/mL and be willing to receive antiviral therapy throughout the study period.

Toxicities from prior therapy must have recovered to ≤ Grade 1 ( v5.0) or to a stable condition per investigator assessment at the time of the first study dose (alopecia and pigmentation excepted).

Subjects of must agree to use highly effective methods (including vasectomy, abstinence, etc.; see Appendix 4) throughout the study period (from signing the ICF until 6 months after the last dose of product).

Subjects must be able to communicate well with the investigator and comply with protocol-required follow-up.

Exclusion Criteria:

  • Inclusion Criteria

Subjects must meet all of the following inclusion criteria to be eligible for enrollment in this study:

Have histologically or cytologically confirmed locally advanced or metastatic NSCLC that is not amenable to curative surgery or radiotherapy.

Have no known EGFR mutations, ALK rearrangements, or ROS1 rearrangements.

Have experienced radiographic disease progression per RECIST v1.1 after prior treatment with an anti-PD-(L)1 antibody for locally advanced or metastatic NSCLC, with prior therapy including:

Progression on anti-PD-(L)1 antibody combined with platinum-based chemotherapy (second-line); or

Progression on platinum-based chemotherapy following prior anti-PD-(L)1 monotherapy (third-line); or

Progression on anti-PD-(L)1 monotherapy and considered unfit for platinum-based chemotherapy (second-line); or

Progression on anti-PD-(L)1-containing therapy following prior platinum-based chemotherapy (third-line).

a. Adjuvant or neoadjuvant therapy is counted as one prior line of therapy if the time between the last dose of chemotherapy and tumour recurrence is ≤ 6 months.

Have at least one evaluable tumour lesion per RECIST v1.1 (see Appendix 1).

Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 (see Appendix 2).

Have a life expectancy of ≥ 3 months as assessed by the investigator.

Agree to undergo tumour tissue biopsy before the first study treatment and during the treatment period, whenever clinically feasible.

Have adequate bone marrow, hepatic, renal, and coagulation function confirmed by laboratory tests obtained within 7 days before the first dose (transfusion or growth factor support is not permitted within 2 weeks prior to the screening assessment):

Bone marrow function: Absolute neutrophil count ≥ 1.5 × 10⁹/L; platelet count ≥ 100 × 10⁹/L; haemoglobin ≥ 90 g/L.

Hepatic function: Total bilirubin ≤ 1.5 × upper limit of normal (ULN) (or ≤ 3 × ULN in the presence of liver metastases); aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 × ULN (or ≤ 5.0 × ULN in the presence of liver metastases); albumin ≥ 28 g/L.

Renal function: Serum creatinine ≤ 1.5 × ULN or creatinine clearance ≥ 50 mL/min (calculated using the Cockcroft-Gault formula; see Appendix 3).

Coagulation function: International normalised ratio (INR) and activated partial thromboplastin time (APTT) ≤ 1.5 × ULN.

Subjects with chronic hepatitis B virus (HBV) infection must have HBV-DNA \< 1000 IU/mL and be willing to receive antiviral therapy throughout the study period.

Toxicities from prior therapy must have recovered to ≤ Grade 1 (CTCAE v5.0) or to a stable condition per investigator assessment at the time of the first study dose (alopecia and pigmentation excepted).

Subjects of childbearing potential must agree to use highly effective contraceptive methods (including vasectomy, abstinence, etc.; see Appendix 4) throughout the study period (from signing the ICF until 6 months after the last dose of investigational product).

Subjects must be able to communicate well with the investigator and comply with protocol-required follow-up.

Terms in these criteria, in plain language(21)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Histologically or cytologically confirmed

The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).

Your pathology report is the document that shows this.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

RECIST

The standard rules for measuring tumours on CT or MRI scans, to tell whether a cancer is shrinking, stable or growing during treatment.

“Measurable disease per RECIST 1.1” usually means at least one tumour 10 mm or more at its longest on a CT scan, or a lymph node 15 mm or more across its short axis.

Line of therapy

A line of therapy is one course of treatment, which may combine several drugs. First-line is the first course given; second-line follows when that stops working or is not tolerated.

“Two prior lines” means two courses that count separately under the study’s rules — not simply two drugs. Ask the study team if you are unsure how yours are counted.

Adjuvant and neoadjuvant

Neoadjuvant treatment is given before the main treatment (usually surgery), often to shrink a tumour. Adjuvant treatment is given after it, to lower the chance of the cancer coming back.

ECOG performance status

A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.

0
Fully active, no restrictions.
1
Limited in strenuous activity, but walking and able to do light work, such as housework or office work.
2
Walking and able to look after yourself, but unable to work; up and about more than half of waking hours.
3
Able to look after yourself only in part; in bed or a chair more than half of waking hours.
4
Unable to look after yourself at all; in bed or a chair all day.

Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.

Life expectancy

The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Absolute neutrophil count (ANC)

The number of neutrophils, white blood cells that help fight infection, in a given amount of blood. Too few raises the risk of infection.

It is a count, not a percentage of the white cells. Limits are written in units that mean the same: ≥ 1.5 × 10⁹/L is ≥ 1,500 per mm³ (µL). Each lab has its own reference range.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

Hemoglobin (Hb)

The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

Creatinine clearance (CrCl)

How quickly the kidneys clear creatinine, a waste product, from the blood. A study may estimate it from a blood test with age, weight and sex (often by the Cockcroft–Gault formula), or measure it using blood and urine collected over a set time. Given in mL/min; higher is better.

INR, PT and aPTT (clotting tests)

Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.

Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

CTCAE grade

The US National Cancer Institute’s scale of how severe an adverse event is — any unwanted medical event during a study, such as a symptom, an illness or an abnormal test result, whether or not a treatment caused it. Whether it did is judged separately.

1
Mild.
2
Moderate.
3
Severe.
4
Life-threatening.
5
Death due to the event.

“Side effects of earlier treatment resolved to grade 1 or less” means they have settled to mild or gone.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
21 participants (estimated)

Study arms

  • Experimental
    Tislelizumab plus SYS6010 in Immunotherapy-Pretreated Locally Advanced or Metastatic NSCLC

    Drug: SYS6010

Interventions

  • SYS6010 4.2mg/kg,Ivgtt,Q3W,plus Tislelizumab,200 mg,Ivgtt,Q3W

06

What researchers measure

Primary outcomes

  1. incidence of adverse effect

    Time frame: From date of first administration up to approximately 3.5 years after the last patient is administrated

Secondary outcomes

  1. Objective Response Rate(ORR)

    ORR is the proportion of subjects with CR or PR , based on RECIST v1.1.

    Time frame: Approximately 9-11 weeks after the first dose

  2. Disease Control Rate(DCR)

    It represents the total proportion of patients who achieved complete response (CR), partial response (PR), and disease stability (SD) after treatment, reflecting the overall control ability of the treatment on tumor growth.

    Time frame: From date of first administration up to approximately 3.5 years after the last patient is administrated

  3. Duration of Response(DOR)

    It refers to the period from when a patient starts receiving treatment until the tumor lesion shows an objective response (such as shrinking or disappearing) and then the disease progresses or recurs again.

    Time frame: From date of first administration up to approximately 3.5 years after the last patient is administrated

  4. Progression-Free Survival(PFS)

    Its definition is: the period from the start of randomization until tumor progression occurs objectively or until death due to any reason.

    Time frame: From date of first administration up to approximately 3.5 years after the last patient is administrated

  5. Overall Survival (OS)

    OS will be defined as the time from the date of first dosing until death due to any cause

    Time frame: From date of first administration up to approximately 5.5 years after the last patient is administrated

Other outcomes

  1. EGFR protein expression

    The correlation between EGFR protein expression and amplification level and the efficacy of ADC

    Time frame: From date of first administration up to approximately 5.5 years after the last patient is administrated

  2. PD-L1 protein expression

    The correlation between PD-L1 protein expression and the efficacy of combined treatment, etc.

    Time frame: From date of first administration up to approximately 5.5 years after the last patient is administrated

07

Study locations

1 site
08

References and documents

Individual participant data

Plan to share: Yes

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Start is estimated for Jun 2026; primary completion for Dec 2027, 18 months later.

How these figures are worked out, and which studies are left out of them.

Registered
Jul 2, 2026
First posted
Jul 9, 2026
StartEst.
Jun 30, 2026
Primary completionEst.
Dec 31, 2027
CompletionEst.
Dec 31, 2028
Last update
Jul 9, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jul 9, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07692048
Lead sponsor
Sichuan University
Responsible party
Yongsheng Wang (Professor, Sichuan University) — Principal investigator
First posted
Jul 9, 2026
Start date
Jun 30, 2026 (estimated)
Primary completion
Dec 31, 2027 (estimated)
Completion
Dec 31, 2028 (estimated)
Last update
Jul 9, 2026

Study contacts

Benxia Zhang, PhD
Contact
zhangbenxia1007@outlook.com
86(028)85421606

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Jun 2026. You cannot join it, but the record below documents what was studied.

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Studies of the drug tested here: Anti-EGFR Antibody-drug Conjugate CPO301

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