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

23 czerwca 2026 zaktualizowane przez: 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.

Przegląd badań

Typ studiów

Interwencyjne

Zapisy (Szacowany)

80

Faza

  • Faza 4

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Kontakt w sprawie studiów

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

  • Dorosły
  • Starszy dorosły

Akceptuje zdrowych ochotników

Tak

Opis

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.

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Nielosowe
  • Model interwencyjny: Zadanie dla jednej grupy
  • Maskowanie: Brak (otwarta etykieta)

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Inny: 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.
Inny: 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.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Objective response rate (ORR)
Ramy czasowe: 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

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Secondary endpoints include progression-free survival (PFS)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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
Ramy czasowe: 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.

Współpracownicy i badacze

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Sponsor

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Szacowany)

1 lipca 2026

Zakończenie podstawowe (Szacowany)

31 grudnia 2028

Ukończenie studiów (Szacowany)

31 grudnia 2028

Daty rejestracji na studia

Pierwszy przesłany

2 czerwca 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

23 czerwca 2026

Pierwszy wysłany (Rzeczywisty)

26 czerwca 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

26 czerwca 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

23 czerwca 2026

Ostatnia weryfikacja

1 czerwca 2026

Więcej informacji

Terminy związane z tym badaniem

Plan dla danych uczestnika indywidualnego (IPD)

Planujesz udostępniać dane poszczególnych uczestników (IPD)?

NIE

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

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