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Efficacy and Safety of Ensartinib Combined With Anlotinib in Lorlatinib-Resistant ALK-Positive NSCLC

2026년 6월 23일 업데이트: Qiming Wang

Efficacy and Safety of Ensartinib Combined With Anlotinib in Lorlatinib-Resistant ALK-Positive Non-small Cell Lung Cancer(NSCLC): An Exploratory Analysis

ALK TKIs, particularly second- and third-generation ALK TKIs, have significantly improved progression-free survival (PFS) in patients with advanced ALK-positive non-small cell lung cancer (NSCLC). However, patients continue to face challenges related to drug resistance and disease progression; in the CROWN study, 40% of patients still experienced disease progression within five years. There are currently no standard treatment recommendations for this patient population. This study retrospectively evaluated the efficacy and safety of ensartinib combined with anlotinib as a second-line treatment in patients who had developed resistance to lorlatinib. The inclusion criteria for data collection were patients aged ≥18 years with histologically confirmed stage IIIB-IV ALK-positive NSCLC who had developed resistance to lorlatinib; prior to lorlatinib treatment, patients could have received up to two other ALK-TKIs, excluding ensartinib.

연구 개요

연구 유형

중재적

등록 (추정된)

80

단계

  • 4단계

연락처 및 위치

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연구 연락처

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

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  • 고령자

건강한 자원 봉사자를 받아들입니다

예

설명

Co-hort 1: Strict co-hort Inclusion criteria1:Histologically or cytologically confirmed stage IIIB-IV non-small cell lung cancer; Inclusion criteria2:Age ≥ 18 years at the time of signing the informed consent form; Inclusion criteria3:ALK-positive status confirmed by tissue samples or blood tests at each centre; Inclusion criteria4:History of resistance to lorlatinib treatment; prior use of ensartinib is not permitted; patients must have received a maximum of two other ALK-TKIs; prior receipt of ≤2 courses of chemotherapy is permitted; ECOG Performance Status (PS) score between 0 and 2, with no deterioration within 2 weeks prior to study entry;

Co-hort 2 (Compassionate Use Cohort):

Inclusion criteria1: Resistance to lorlatinib treatment; Inclusion criteria2: No restrictions on prior use of ensartinib or the number of prior lines of other ALK-TKIs and chemotherapy; Inclusion criteria3:Subjects with concomitant leptomeningeal metastases may be enrolled. For patients with leptomeningeal metastases (LM), diagnosis must be based on the three criteria outlined in the EANO-ESMO guidelines: clinical presentation, cranial imaging, and cerebrospinal fluid cytology. Tissue samples must not be derived from tumour sites that have previously undergone radiotherapy; however, new lesions arising after local treatment may be included; Inclusion criteria4:ECOG performance status of 0-4; Inclusion criteria5: Adequate organ system function, as determined by the investigator; Inclusion criteria6:All other inclusion criteria are consistent with items 1, 2 and 3 of Cohort 1.

Exclusion criteria1:Concurrent malignant tumours. Exclusion criteria2:Patients with leptomeningeal metastases (LM) who are unable to undergo contrast-enhanced MRI.

Exclusion criteria3:Patients who have undergone surgery within 4 weeks prior to treatment with the study drug, except for minor procedures deemed by the investigator not to preclude participation in the trial; or patients scheduled to undergo major surgery during the study period.

Exclusion criteria4:Patients who have experienced a marked deterioration in symptoms or signs within 2 weeks prior to screening and are deemed by the investigator to be unsuitable for participation in the trial.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위화되지 않음
  • 중재 모델: 단일 그룹 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
다른: Strict Queue
Patients with a performance status (ECOG) score of 0-2 and brain parenchymal metastases were enrolled in Cohort 1.
Ensatinib is administered at a dose of 225 mg once daily, either on an empty stomach or with food; anlotinib is administered at a dose of 10 mg once daily, in 21-day cycles; treatment continues until disease progression, the occurrence of intolerable toxicity, withdrawal at the discretion of the investigator or the subject, loss to follow-up, initiation of other anticancer therapy, or death.
다른: Compassionate Use Cohort
Patients with a performance status (ECOG) score of 0-4 and leptomeningeal metastases were enrolled in Cohort 2 (compassionate use cohort).
Ensatinib is administered at a dose of 225 mg once daily, either on an empty stomach or with food; anlotinib is administered at a dose of 10 mg once daily, in 21-day cycles; treatment continues until disease progression, the occurrence of intolerable toxicity, withdrawal at the discretion of the investigator or the subject, loss to follow-up, initiation of other anticancer therapy, or death.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Objective response rate (ORR)
기간: After the patients were enrolled according to the inclusion criteria, the tumor assessment will be conducted every 6 weeks, and the maximum duration of the assessment is 6 months until the patients have disease progression or cannot tolerate the treatmen
If the patient has available imaging results from within 28 days prior to the first dose (bone scans may be accepted if performed within 2 months prior to the first dose), repeat imaging is not required. Tumour assessment should be performed every 6 weeks (±4 days) until tumour progression.
After the patients were enrolled according to the inclusion criteria, the tumor assessment will be conducted every 6 weeks, and the maximum duration of the assessment is 6 months until the patients have disease progression or cannot tolerate the treatmen

2차 결과 측정

결과 측정
측정값 설명
기간
Secondary endpoints include progression-free survival (PFS)
기간: The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Progression-free survival (PFS): defined as the time from randomisation to the first occurrence of objective tumour progression or death, whichever comes first.
The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Overall survival (OS)
기간: The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Overall survival (OS): defined as the time from randomisation to the patient's death from any cause.
The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Duration of Response (DOR)
기간: The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Duration of Response (DOR): Defined as the time from the first assessment of complete response (CR) or partial response (PR) until the first assessment of disease progression (PD) or death from any cause.
The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Disease Control Rate (DCR)
기간: The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Disease Control Rate (DCR): Defined as the proportion of patients who achieve complete response (CR), partial response (PR) or stable disease (SD) following treatment and maintain this status for a certain period.
The assessment was conducted every 2 cycles (6 weeks and 24 days), and the maximum duration of the assessment was 6 months until the patient's condition progressed or could not tolerate the treatment. As of June 2028, the follow-up work has been complete
Safety assessment
기간: At the end of the first cycle (24 days in each cycle), a safety follow-up (telephone follow-up) was conducted within 28 days after the last administration.
Safety assessment: A summary of patients' physical examinations, electrocardiograms, ECOG scores, vital signs, adverse events and abnormal laboratory test results. All adverse events should be graded for severity in accordance with NCI CTCAE version 4.03.
At the end of the first cycle (24 days in each cycle), a safety follow-up (telephone follow-up) was conducted within 28 days after the last administration.

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연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 7월 1일

기본 완료 (추정된)

2028년 12월 31일

연구 완료 (추정된)

2028년 12월 31일

연구 등록 날짜

최초 제출

2026년 6월 2일

QC 기준을 충족하는 최초 제출

2026년 6월 23일

처음 게시됨 (실제)

2026년 6월 26일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 6월 26일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 6월 23일

마지막으로 확인됨

2026년 6월 1일

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