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Trial · NCT05142696

Registered outcomes14

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPhase 1b: Frequency of dose limiting toxicities (DLTs), Adverse Events (AEs), Serious Adverse Events (SAEs) and AEs leading to treatment discontinuationWithin the first six weeks of [177Lu]Lu-DOTA-TATE treatment]
A dose-limiting toxicity (DLT) is defined as an AE or abnormal laboratory value assessed as unrelated to disease, disease progression, intercurrent illness, or concomitant medications with an onset within the first cycle of initiation of \[177Lu\]Lu-DOTA-TATE treatment. The National Cancer Institute Common Terminology Criteria for Adverse events (NCI CTCAE) version 5.0 will be used for AE grading.
PrimaryPhase ll: Overall survival (OS)In the phase II part: From date of randomization until date of death from any cause, assessed up to 3 years (estimated final Overall Survival (OS) analysis)
To assess efficacy of \[177Lu\]Lu-DOTA-TATE in combination with atezolizumab, carboplatin, and etoposide (experimental arm) versus standard of care consisting of carboplatin, etoposide, and atezolizumab (control arm) in terms of overall survival
SecondaryPhase lb: Objective Response Rate (ORR) based on Investigator assessmentFrom date of randomization until date of progression or date of death from any cause, whichever come first, assessed for up to 3 years (estimated final Overall Survival (OS) analysis)
Objective Response Rate (ORR) defined as the proportion of participants with a best overall confirmed complete response (CR) or partial response (PR) as assessed per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 by Investigator assessment
SecondaryPhase lb: Duration of Response (DOR)From date of randomization until date of progression or date of death from any cause, whichever come first, assessed for up to 3 years (estimated final Overall Survival (OS) analysis)
Duration of Response (DOR), calculated as the time from the date of the first documented CR or PR to the first documented progression or death due to underlying cancer. Participants continuing without progression or death due to underlying cancer will be censored at the date of their last adequate tumor assessment. DOR will be listed and summarized by dose level combination and checkpoint inhibitor in Phase Ib and by treatment group in Phase II part for all participants in the FAS with confirmed BOR of CR or PR.
SecondaryPhase lb: Progression Free Survival (PFS) based on Investigator assessmentFrom date of randomization until date of progression or date of death from any cause, whichever come first, assessed for up to 3 years (estimated final OS analysis)
Progression Free Survival (PFS) is defined as the time from the date of first dose to the date of the first documented progression or death due to any cause. PFS will be assessed via local review according to RECIST 1.1. If no PFS event is observed, PFS will be censored at the date of the late adequate tumor assessment prior to data cut-off date and start of new anti-neoplastic therapy, whichever comes first. PFS will be analyzed in the FAS population according to the assigned dose level combination and checkpoint inhibitor in Phase Ib and by treatment group in Phase II part. The PFS distribution will be estimated using the Kaplan-Meier method, and the Kaplan-Meier curves, medians and 95% confidence intervals of the medians will be presented for each dose level combination and checkpoint inhibitor in Phase Ib and by treatment group in Phase II part.
SecondaryPhase lb: Overall Survival (OS)From date of randomization until date of death from any cause, assessed up to 3 years (estimated final Overall Survival (OS) analysis)
OS is defined as the time from date of first dose to date of death due to any cause in Phase Ib. If a participant is not known to have died, then OS will be censored at the latest date the participant was known to be alive (on or before the cut-off date). OS will be analyzed in the FAS population according to the assigned dose cohort and checkpoint inhibitor in Phase Ib. The OS distribution will be estimated using the Kaplan-Meier method, and the Kaplan-Meier curves, medians and 95% confidence intervals of the medians will be presented for each dose level combination and checkpoint inhibitor in Phase Ib Kaplan-Meier estimates with 95% confidence intervals every 6 months will be summarized as well by dose level combination, checkpoint inhibitor in Phase Ib and treatment group in Phase II part.
SecondaryPhase ll: Progression free survival (PFS) by investigator assessmentFrom date of randomization until date of progression or date of death from any cause, whichever come first, assessed for up to 3 years (estimated final OS analysis)
Progression Free Survival (PFS) is defined as the time from the date of first dose to the date of the first documented progression or death due to any cause. PFS will be assessed via local review according to RECIST 1.1. If no PFS event is observed, PFS will be censored at the date of the late adequate tumor assessment prior to data cut-off date and start of new anti-neoplastic therapy, whichever comes first.
SecondaryPhase ll: Objective Response Rate (ORR) by investigator assessmentFrom date of randomization until date of progression or date of death from any cause, whichever come first, assessed for up to 3 years (estimated final Overall Survival (OS) analysis)
Objective response rate (ORR) is defined as the percentage of participants with confirmed best overall confirmed complete response (CR) or partial response (PR), as per local review and according to RECIST 1.1 by Investigator assessment.
SecondaryPhase ll: Duration of Response (DOR) by investigator assessmentFrom date of randomization until date of progression or date of death from any cause, whichever come first, assessed for up to 3 years (estimated final Overall Survival (OS) analysis)
Duration of Response (DOR), calculated as the time from the date of the first documented CR or PR to the first documented progression or death due to underlying cancer. Participants continuing without progression or death due to underlying cancer will be censored at the date of their last adequate tumor assessment. DOR will be listed and summarized by dose level combination and checkpoint inhibitor in Phase Ib and by treatment group in Phase II part for all participants in the FAS with confirmed BOR of CR or PR.
SecondaryIncidence and severity of adverse events (AEs), serious AEs (SAEs), changes in hematology and chemistry values, vital signs, and ECGs; dose interruptions, discontinuations, and reductionsFrom date of randomisation until date of progression or date of death from any cause, whichever comes first, assessed for up to 3 years
To characterize the safety and tolerability of \[177Lu\]Lu-DOTA-TATE in combination with carboplatin, etoposide, and atezolizumab in induction treatment and with atezolizumab in maintenance treatment in newly diagnosed participants with ES-SCLC
SecondaryIncidence and severity of Adverse Events (AEs) and serious Adverse Events (SAEs) within 48 hours after [68Ga]Ga-DOTA-TATE infusionup to 48 hours following the start of [68Ga]Ga-DOTA-TATE administration]To assess the safety and tolerability of \[68Ga\]Ga-DOTA-TATE in participants with newly diagnosed ES-SCLC
SecondaryPhase lb and II: Absorbed radiation doses of [177Lu]Lu-DOTA-TATEWeek 7 Day 3To characterize the pharmacokinetics (PK) and dosimetry of \[177Lu\]Lu-DOTA-TATE in participants with newly diagnosed ES-SCLC
SecondaryPhase lb: PK parameters of [177Lu]Lu-DOTA-TATE in bloodWeek 7 Day 3 (pre-dose, before the end of infusion, 2 hours post-dose, 6 hours post-dose), Week 7 Day 4 (24 hours post-dose), Week 7 Day 5 (48 hours post-dose), Week 8 Day 3 (168 hours post-dose)
Blood samples for radioactivity measurement will be collected in all participants who undergo dosimetry assessments (i.e. first 3 participants at dose levels 1, 2a or 2b, 3a or 3b, and 4). For the rest of participants , blood samples will be taken before the start of \[177Lu\]Lu-DOTA-TATE infusion, at the end of infusion, and then at 2h, 6h after the end of \[177Lu\]Lu-DOTA-TATE infusion. Blood samples will be drawn in heparinized tubes. Radioactivity measurements on blood will be performed locally on site, using a gamma-counter.
SecondaryPhase II: PK parameters of [177Lu]Lu-DOTA-TATE in blood
Week 1 Day 3, Week 7 Day 3 (pre-dose, before the end of infusion, post-dose: 2 hours, 6 hours, 24 hours, 48 hours, 168 hours), Week 13 Day 1 (pre-dose, before the end of infusion, post-dose: 2 hours, 6 hours, 24 hours, 48 hours post-dose)
Blood samples for radioactivity measurement will be collected in approximately 10 participants who undergo dosimetry assesments. In the participants that will undergo dosimetry assessments, an additional whole body planar transmission scan with the participant needs to be performed for the qualification of the dosimetry setup before the first infusion of \[177Lu\]Lu-DOTA-TATE. A SPECT/CT scan will be acquired after the 1st, 2nd, and 4th administration of \[177Lu\]Lu-DOTA-TATE.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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