Actively Recruiting

Phase 3
Age: 18Years +
All Genders
NCT06937905

Tarlatamab vs Standard of Care Chemotherapy in Patients With Pre-treated Advanced, Pulmonary or Gastroenteropancreatic Poorly Differentiated Neuroendocrine Carcinomas (NECs)

Led by Intergroupe Francophone de Cancerologie Thoracique · Updated on 2026-02-11

129

Participants Needed

40

Research Sites

233 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Based on the efficacy of tarlatamab in patients with small-cell lung cancer, we aim to assess the efficacy of tarlatamab in patients with Advanced, pulmonary (large-cell only) or gastroenteropancreatic neuroendocrine carcinoma.

CONDITIONS

Official Title

Tarlatamab vs Standard of Care Chemotherapy in Patients With Pre-treated Advanced, Pulmonary or Gastroenteropancreatic Poorly Differentiated Neuroendocrine Carcinomas (NECs)

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Signed informed consent before any study procedures
  • Age 18 years or older
  • WHO performance status 0 or 1
  • Life expectancy greater than 12 weeks
  • Histologically confirmed poorly differentiated neuroendocrine carcinoma (large cell lung or gastroenteropancreatic)
  • DLL3 expression in at least 1% of tumor cells
  • Tumor progression after one platinum-based therapy
  • Unresectable locally advanced or metastatic disease
  • At least one measurable tumor lesion
  • Adequate organ function including kidney, blood counts, liver enzymes, and bilirubin
  • Full recovery from prior treatment toxicities to baseline or grade 0-1 (except non-safety risks)
  • Availability of tumor material for central review and research
  • No unstable systemic disease or conditions interfering with study compliance
  • Females of childbearing potential must use effective contraception starting 28 days before and continuing 7 months after treatment
  • Men sexually active with women of childbearing potential must use contraception for 6 months after last dose
  • Patient covered by national health insurance
Not Eligible

You will not qualify if you...

  • Well-differentiated neuroendocrine tumors (NET G1, G2, G3) or typical/atypical carcinoid tumors
  • Prior treatment targeting DLL3
  • More than one prior systemic therapy in metastatic setting
  • Small cell lung NEC except minor (<30%) component in mixed tumors
  • Known EGFR, ALK, or ROS1 mutations in lung NEC
  • Untreated or symptomatic brain metastases; treated brain metastases must meet stability criteria
  • Leptomeningeal metastasis
  • Recent other malignancies except certain treated cancers or skin cancers
  • Major surgery within 28 days before study treatment
  • Recent myocardial infarction or symptomatic heart failure within 12 months
  • Recent arterial thrombosis within 12 months
  • Active systemic infection requiring intravenous antibiotics
  • Known allergy to study treatments
  • History of primary immunodeficiency or recent immunosuppressive therapy
  • Immune-related severe adverse events or active immune disorders under immuno-oncology treatment
  • Presence of indwelling catheters or drains
  • Known acute or chronic hepatitis B or C infection
  • Known HIV infection
  • Pregnant or breastfeeding women or planning pregnancy during study and 7 months after last dose
  • Males unwilling to avoid sperm donation during study and 6 months after last dose
  • Recent vaccination with live or attenuated vaccines
  • Active autoimmune disease requiring systemic therapy in last 2 years
  • Other severe uncontrolled medical conditions interfering with study participation

AI-Screening

AI-Powered Screening

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Trial Site Locations

Total: 40 locations

1

Angers - CHU

Angers, France

Actively Recruiting

2

Avignon - CH

Avignon, France

Actively Recruiting

3

Besançon - CHU

Besançon, France

Actively Recruiting

4

Boulogne - Ambroise Paré

Boulogne, France

Actively Recruiting

5

Caen - CHU

Caen, France

Actively Recruiting

6

Caen - CHU

Caen, France

Actively Recruiting

7

Tours - CHU

Chambray-lès-Tours, France

Actively Recruiting

8

Dijon - Centre Georges-François Leclerc

Dijon, France

Actively Recruiting

9

Dijon - CHU Bocage

Dijon, France

Actively Recruiting

10

Grenoble - CHU

Grenoble, France

Actively Recruiting

11

Le Mans - CHG

Le Mans, France

Actively Recruiting

12

Lille - Centre Oscar Lambret

Lille, France

Actively Recruiting

13

Limoges - CHU

Limoges, France

Actively Recruiting

14

Limoges - CHU

Limoges, France

Actively Recruiting

15

Lyon - Centre Léon Bérard

Lyon, France

Actively Recruiting

16

Lyon - Hôpital Edouard Herriot

Lyon, France

Actively Recruiting

17

Lyon - Hôpital Privé Jean Mermoz

Lyon, France

Actively Recruiting

18

Marseille - APHM

Marseille, France

Actively Recruiting

19

Marseille - Institut Paoli-Calmettes

Marseille, France

Actively Recruiting

20

Montpellier - CHU

Montpellier, France

Actively Recruiting

21

Nice - Centre Antoine Lacassagne

Nice, France

Actively Recruiting

22

Paris - Curie

Paris, France

Actively Recruiting

23

Paris - Hôpital Cochin

Paris, France

Actively Recruiting

24

Paris - Saint-Antoine

Paris, France

Actively Recruiting

25

Paris - Tenon

Paris, France

Actively Recruiting

26

Bordeaux - CHU

Pessac, France

Actively Recruiting

27

Bordeaux - CHU

Pessac, France

Actively Recruiting

28

Lyon - HCL

Pierre-Bénite, France

Actively Recruiting

29

Poitiers - CHU

Poitiers, France

Actively Recruiting

30

Reims - CHU

Reims, France

Actively Recruiting

31

Rennes - CHU

Rennes, France

Actively Recruiting

32

Rouen - CHU

Rouen, France

Actively Recruiting

33

Nantes - Hôpital Laennec

Saint-Herblain, France

Actively Recruiting

34

Nantes - Institut de Cancérologie de l'Ouest

Saint-Herblain, France

Actively Recruiting

35

Strasbourg - Nouvel Hôpital Civil

Strasbourg, France

Actively Recruiting

36

Toulon - CHI

Toulon, France

Actively Recruiting

37

Toulouse - CHU

Toulouse, France

Actively Recruiting

38

Tours - CHU

Tours, France

Actively Recruiting

39

Vandoeuvre-lès-Nancy - Institut de Cancérologie de Lorraine

Vandœuvre-lès-Nancy, France

Actively Recruiting

40

Villefranche sur Saône - CH

Villefranche-sur-Saône, France

Actively Recruiting

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Research Team

C

Contact IFCT

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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