Trastuzumab Rezetecan(SHR-A1811) Combined With Ivonescimab (AK112) in Locally Advanced or Metastatic Non-small Cell Lung Cancer Harboring HER2 Gene Abnormalities

Trial statusNot yet recruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-75
SponsorSun Yat-sen University

About this trial

This is a phase II trial in patients with locally advanced or metastatic non-small cell lung cancer harboring HER2 gene abnormalities (amplification or overexpression)with a performance status of 0 to1 who are planned to receive first-line treatment or who have falied the first-line treatment

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Absolute neutrophil count ≥ 1,500/mcL

Platelet count > 90,000/mcL 19

Hemoglobin ≥ 9 g/dL (allow for blood transfusion)

Creatinine ≤ 1.5 × ULN

Disqualifiers

1. Have previously received treatment with anti-HER2 drugs, including large molecule antibodies, TKIs, ADCs, etc.; 2. Have a history of interstitial lung disease, radiation pneumonitis, or immune-related pneumonitis after using steroids, or have active non-infectious pneumonia with interstitial lung changes during the screening period, active pulmonary tuberculosis, pneumoconiosis, or having ≥2 grade other types of pneumonia, or severe impairment of lung function (FEV1 or DLCO or DLCO/VA as a percentage of the predicted value is less than 40%) confirmed by lung function tests, etc.; 3. Have experienced arterial/deep vein thrombosis events within 6 months before treatment, such as cerebrovascular accidents (including transient ischemic attacks, cerebral hemorrhage, cerebral infarction), deep vein thrombosis, and pulmonary embolism, etc.; 4. Have ≥2 grade myocardial ischemia or myocardial infarction, arrhythmias (including QTcF ≥ 450ms (male), QTcF ≥ 470ms (female), and ≥2 grade congestive heart failure (New York Heart Association (NYHA) classification), left ventricular ejection fraction (LVEF) < 50%; angina pectoris requiring anti-myocardial ischemia drugs; clinically significant heart valve disease); 5. Have active autoimmune diseases or autoimmune disease history, including but not limited to Crohn's disease, ulcerative colitis, autoimmune hepatitis/enteritis/vasculitis/renalitis, etc., except for the following situations: ① Controllable type I diabetes; ② Hypothyroidism controlled by hormone replacement therapy; ③ Skin diseases that do not require systemic treatment (such as vitiligo, psoriasis); ④ Other diseases that are expected not to recur (such as asthma that has been cured in childhood); 6. Need systemic or local use of immunosuppressants to achieve the purpose of immunosuppression and still need to continue using them within 2 weeks before randomization; 7. Have pleural effusion (thoracic cavity, abdominal cavity or pericardial cavity) with repeated drainage to relieve clinical symptoms (judged by the investigator), or have received pleural effusion drainage for therapeutic purposes within 2 weeks before treatment; 8. Have symptomatic or progressive CNS metastasis or cancerous meningitis, with diffuse dissemination; Have a history of brain metastasis and if the subject is clinically stable, can be considered for inclusion.

Trial design

Design model

Single group

Treatments tested in this trial

  • Trastuzumab Rezetecan

    Drug

    4.8 mg/kg Intravenous injection until disease progression

  • ivonescimab

    Drug

    20 mg/kg Intravenous injection until disease progression

Treatment groups

30 Participants
are divided into 2 treatment groups
Group A: cohort 2Experimental treatment 2 interventions
Group B: cohort 1Experimental treatment 2 interventions

Trial outcomes

Primary outcomes

1

Progression free survival

The time from the first treatment to disease progression or death due to any cause (whichever occurs first)

Time frame
assessed up to 36 months

Secondary outcomes

1

Duration of Response

The time from the first assessment of the tumor as being in an objective remission (PR or CR) to the first assessment of disease progression (PD) or death due to any cause prior to PD;

Time frame
up to 36 months
2

Objective Response Rate

The proportion of patients with the best overall therapeutic effect of CR and PR

Time frame
up to 36 months
3

Overall survival

The time from the first trial treatment to death due to any cause

Time frame
up to 60 months
4

Incidence and severity of adverse events (AEs)

Overall incidence of AEs; the incidence of grade 3 or above AEs; the incidence of severe adverse events (SAE); the incidence of drug-related AEs; the incidence of AEs resulting in permanent withdrawal of drugs; the incidence of AEs leading to dose adjustment

Time frame
through study completion, an average of 60 months

Other outcomes

Sponsors and contacts

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