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Clinical-trials landscape

TL;DR

  • The LUSC trial landscape has moved from unselected cytotoxic comparisons to perioperative immunotherapy, biomarker-defined metabolism, antibody–drug conjugates (ADCs), personalized vaccines, ctDNA-guided treatment, and duration/de-escalation questions.
  • The most important negative lesson is structural: a recurrent genomic alteration, cell-surface protein, or encouraging response rate is not enough. LUSC repeatedly defeats programs through intratumour heterogeneity, non-oncogene dependence, toxicity, or failure to improve survival.
  • Trial eligibility is a clinical decision. Histology, TNM edition, measurable disease, prior checkpoint therapy, molecular alteration, brain-metastasis status, organ function, autoimmune history, bleeding risk, and washout periods all matter.
  • “Recruiting” is registry status, not a promise that a nearby site has an open slot. Contact information, cohort availability, geography, and last update must be rechecked on the day of referral.
  • Completed landmark trials belong in the landscape because they explain current standards; active studies belong because they expose unresolved questions. They should never be mixed in one undifferentiated list.
  • All registry identifiers and statuses below were fetched live from the ClinicalTrials.gov API v2 on 31 August 2026.

How this landscape was built

The registry was searched using squamous NSCLC, lung squamous carcinoma, Lung-MAP, NFE2L2/KEAP1, FGFR, and TROP2 concepts. Candidate records were then fetched individually by identifier. Registry fields can be sponsor-entered, delayed, incomplete, or changed after the access date. Published efficacy claims are linked to PubMed separately; a registry result posting is not assumed to equal peer-reviewed validation.

Field Interpretation rule
Overall status Snapshot on access date; verify before referral
Phase Development intent, not evidence quality by itself
Estimated enrollment Planning number unless registry says actual
Primary outcome Determines what the trial is powered or designed to answer
Histology Read inclusion criteria; an “NSCLC” title may contain a dedicated squamous cohort or exclude it
Biomarker Exact alteration, assay, expression threshold, and central confirmation matter
Intervention name Mechanism hypothesis, not evidence of benefit
Country/site list A listed site may not currently be open

Standards established by completed or maturing phase III trials

Trial Registry state on 2026-08-31 Question answered Practice consequence
CheckMate 017 ([NCT01642004](https://clinicaltrials.gov/study/NCT01642004){target="_blank" rel="noopener"}) Completed Nivolumab vs docetaxel after platinum in advanced squamous NSCLC Established checkpoint blockade in previously treated LUSC; OS HR 0.59 and grade 3–4 treatment-related toxicity 7% vs 55% ([PMID 26028407](https://pubmed.ncbi.nlm.nih.gov/26028407/){target="_blank" rel="noopener"})
KEYNOTE-407 ([NCT02775435](https://clinicaltrials.gov/study/NCT02775435){target="_blank" rel="noopener"}) Completed Pembrolizumab plus carboplatin/taxane vs chemotherapy in first-line metastatic squamous NSCLC Direct histology-specific standard across PD-L1 strata; five-year OS 18.4% vs 9.7% ([PMID 30280635](https://pubmed.ncbi.nlm.nih.gov/30280635/){target="_blank" rel="noopener"}; [PMID 36735893](https://pubmed.ncbi.nlm.nih.gov/36735893/){target="_blank" rel="noopener"})
CheckMate 816 ([NCT02998528](https://clinicaltrials.gov/study/NCT02998528){target="_blank" rel="noopener"}) Completed Neoadjuvant nivolumab plus chemotherapy vs chemotherapy Improved EFS and pCR without an adjuvant immune component ([PMID 35403841](https://pubmed.ncbi.nlm.nih.gov/35403841/){target="_blank" rel="noopener"})
KEYNOTE-671 ([NCT03425643](https://clinicaltrials.gov/study/NCT03425643){target="_blank" rel="noopener"}) Active, not recruiting Perioperative pembrolizumab plus chemotherapy vs placebo pathway Improved EFS and OS; cannot isolate postoperative contribution ([PMID 39288781](https://pubmed.ncbi.nlm.nih.gov/39288781/){target="_blank" rel="noopener"})
AEGEAN ([NCT03800134](https://clinicaltrials.gov/study/NCT03800134){target="_blank" rel="noopener"}) Active, not recruiting Perioperative durvalumab plus chemotherapy Improved EFS and pCR; efficacy analysis excluded known EGFR/ALK disease ([PMID 37870974](https://pubmed.ncbi.nlm.nih.gov/37870974/){target="_blank" rel="noopener"})
CheckMate 77T ([NCT04025879](https://clinicaltrials.gov/study/NCT04025879){target="_blank" rel="noopener"}) Active, not recruiting Perioperative nivolumab plus chemotherapy Improved EFS and pathological response; registry updated 26 August 2026 ([PMID 38749033](https://pubmed.ncbi.nlm.nih.gov/38749033/){target="_blank" rel="noopener"})
PACIFIC ([NCT02125461](https://clinicaltrials.gov/study/NCT02125461){target="_blank" rel="noopener"}) Completed Durvalumab after concurrent chemoradiation for unresectable stage III NSCLC Defined consolidation immunotherapy; five-year OS 42.9% vs 33.4% ([PMID 35108059](https://pubmed.ncbi.nlm.nih.gov/35108059/){target="_blank" rel="noopener"})
IMpower010 ([NCT02486718](https://clinicaltrials.gov/study/NCT02486718){target="_blank" rel="noopener"}) Active, not recruiting Adjuvant atezolizumab after resection and platinum chemotherapy DFS benefit greatest in stage II–IIIA PD-L1-positive disease; biomarker/jurisdiction conditions matter ([PMID 34555333](https://pubmed.ncbi.nlm.nih.gov/34555333/){target="_blank" rel="noopener"})
PEARLS/KEYNOTE-091 ([NCT02504372](https://clinicaltrials.gov/study/NCT02504372){target="_blank" rel="noopener"}) Completed Adjuvant pembrolizumab vs placebo after complete resection DFS benefit overall, not significant in the prespecified PD-L1 ≥50% analysis at interim report ([PMID 36108662](https://pubmed.ncbi.nlm.nih.gov/36108662/){target="_blank" rel="noopener"})

These trials enrolled NSCLC except where the squamous population is explicit. LUSC subgroup consistency may support treatment, but subgroup absolute benefit and toxicity are not always fully reported.

The platform-trial lesson

The original Lung-MAP master protocol was created specifically for previously treated advanced squamous lung cancer ([NCT02154490](https://clinicaltrials.gov/study/NCT02154490){target="_blank" rel="noopener"}); its registry status is completed. It matched patients to biomarker-defined substudies and allowed a non-match pathway. The platform demonstrated that nationwide molecular screening and modular substudies are feasible, while also documenting how often plausible targets fail to generate practice-changing efficacy ([PMID 25680375](https://pubmed.ncbi.nlm.nih.gov/25680375/){target="_blank" rel="noopener"}; [PMID 26408303](https://pubmed.ncbi.nlm.nih.gov/26408303/){target="_blank" rel="noopener"}).

Platform advantage Remaining problem
One screening architecture for multiple hypotheses Screen-positive prevalence can be too low for timely accrual
Arms can open and close without rebuilding the whole network Control standards change during the platform's life
Tissue and outcome data become reusable infrastructure Tissue exhaustion and assay turnaround still exclude patients
Negative substudies are informative Publication and interpretation can overemphasize small response signals
Histology focus exposes LUSC biology Later expansion to all NSCLC can dilute histology-specific learning

A search hit is not eligibility. Although [NCT04310007](https://clinicaltrials.gov/study/NCT04310007){target="_blank" rel="noopener"} has a generic NSCLC brief title and is Lung-MAP-related, its current record restricts eligibility to non-squamous NSCLC. It is therefore not an active LUSC option as of 31 August 2026.

Active LUSC-relevant studies by scientific question

Can maintenance be improved or shortened?

Trial Status; planned enrollment Design signal Primary question Interpretation boundary
Cabozantinib + pembrolizumab maintenance ([NCT05613413](https://clinicaltrials.gov/study/NCT05613413){target="_blank" rel="noopener"}) Recruiting; 36 estimated Phase II pilot after platinum/taxane/pembrolizumab induction in metastatic squamous NSCLC Median PFS Small single-arm signal-seeking study; antiangiogenic bleeding and fistula risks matter in central LUSC
DIAL de-escalation ([NCT05255302](https://clinicaltrials.gov/study/NCT05255302){target="_blank" rel="noopener"}) Recruiting; 1,360 estimated Phase II/III duration study after disease control with chemo-immunotherapy 18-month OS then OS Lung-cancer-wide; asks whether maintenance exposure can be reduced, a patient-important toxicity/time question

Duration trials are unusually valuable because indefinite-treatment conventions can persist without randomized evidence. Overall survival, quality of life, immune toxicity, retreatment, cost, and time off treatment all belong in the endpoint set.

Can treatment be molecularly assigned or adapted?

Trial Status; planned enrollment Strategy What would make it important
ctDNA-directed perioperative therapy ([NCT04966663](https://clinicaltrials.gov/study/NCT04966663){target="_blank" rel="noopener"}) Recruiting; 66 estimated Phase II uses ctDNA to assign therapy in lung cancer Demonstrating that acting on molecular residual disease improves relapse-free survival, not merely predicts it
DRP-104 in NFE2L2/KEAP1-altered NSCLC ([NCT07249372](https://clinicaltrials.gov/study/NCT07249372){target="_blank" rel="noopener"}) Recruiting; 37 estimated Phase II glutamine-antagonist strategy; ORR primary Directly targets an adverse, metabolically rewired genotype enriched in LUSC; needs durability and safety beyond response
Afatinib + prednisone ([NCT04497584](https://clinicaltrials.gov/study/NCT04497584){target="_blank" rel="noopener"}) Active, not recruiting; 12 actual Phase II in previously treated advanced squamous NSCLC Tests whether toxicity modulation can widen an older ErbB strategy; sample size makes estimates imprecise

ctDNA is already prognostic after resection, but treatment-predictive validation is the missing link ([PMID 37055640](https://pubmed.ncbi.nlm.nih.gov/37055640/){target="_blank" rel="noopener"}). NFE2L2/KEAP1 targeting is similarly rational but remains experimental; the alteration should qualify a patient for a trial, not for an unproven off-label metabolic therapy.

Can new antigen/payload combinations work in LUSC?

Trial Status; planned enrollment Agent class Key LUSC issue
PANKU-Lung05 ([NCT07739199](https://clinicaltrials.gov/study/NCT07739199){target="_blank" rel="noopener"}) Not yet recruiting; 200 estimated Phase II/III izalontamab brengitecan plus a PD-1/VEGF bispecific antibody vs carboplatin/paclitaxel plus the same bispecific antibody Direct first-line advanced squamous population; the phase III primary endpoint is PFS, and the shared experimental bispecific in both arms means the comparison isolates the ADC-containing backbone rather than the entire regimen
HLX43 ± HLX07 vs docetaxel ([NCT07459751](https://clinicaltrials.gov/study/NCT07459751){target="_blank" rel="noopener"}) Recruiting; 706 estimated Phase II/III ADC alone or with EGFR antibody Direct advanced/metastatic squamous population; OS and PFS primary outcomes are stronger than response alone
HDM2020 ([NCT07638891](https://clinicaltrials.gov/study/NCT07638891){target="_blank" rel="noopener"}) Recruiting; 150 estimated Phase I FGFR2b-directed ADC Requires reproducible FGFR2b selection, therapeutic window, and proof that expression is sufficiently homogeneous
Enfortumab vedotin EV-202 ([NCT04225117](https://clinicaltrials.gov/study/NCT04225117){target="_blank" rel="noopener"}) Active, not recruiting; 329 actual across cohorts Nectin-4-directed ADC, with a pembrolizumab combination in a later cohort Basket structure means lung-histology cohort data must be separated from pan-tumour totals

ADC development cannot assume that a surface target is uniform or that payload sensitivity is histology-agnostic. TROPION-Lung01 is a warning: datopotamab deruxtecan improved PFS overall, but the squamous subgroup numerically favoured docetaxel for both PFS and OS ([PMID 39250535](https://pubmed.ncbi.nlm.nih.gov/39250535/){target="_blank" rel="noopener"}).

Can immunity be personalized or rebuilt?

Trial Status; planned enrollment Strategy Central uncertainty
V940-013 ([NCT07221474](https://clinicaltrials.gov/study/NCT07221474){target="_blank" rel="noopener"}) Recruiting; 180 estimated across 11 countries listed Personalized neoantigen vaccine intismeran autogene/placebo plus pembrolizumab and carboplatin/taxane Manufacturing time, neoantigen quality, added benefit over a strong control, and accessibility
Cancer-specific CD8+ TIL therapy ([NCT05902520](https://clinicaltrials.gov/study/NCT05902520){target="_blank" rel="noopener"}) Active, not recruiting; 18 estimated Phase I selected tumour-infiltrating lymphocytes with low-dose IL-2 Feasibility, lymphodepletion/IL-2 burden, antigen escape, and scalable manufacturing
PF-08634404 in early/locally advanced NSCLC ([NCT07489066](https://clinicaltrials.gov/study/NCT07489066){target="_blank" rel="noopener"}) Recruiting; 120 estimated across five countries listed Phase II monotherapy/combination development; surgical feasibility and pCR endpoints Mechanism must improve cure without delaying or preventing surgery

Personalization adds logistical endpoints that conventional drug trials can ignore: proportion successfully manufactured, time from biopsy to dose, dropout before infusion, representativeness of included patients, and cost per treated—not merely enrolled—participant.

Status is not evidence

Registry label What it means What it does not mean
Recruiting Sponsor reports at least one recruiting site/cohort Every listed site has capacity, the LUSC cohort is open, or the therapy works
Active, not recruiting Intervention/follow-up continues without new enrollment Results are mature or publicly available
Completed Protocol-defined participation ended Results are posted, peer reviewed, positive, or practice changing
Terminated Study stopped early The drug necessarily lacked efficacy; inspect reason, exposure, and data
Unknown Status not recently verified under registry rules Trial is definitely closed
Withdrawn Stopped before enrollment Biological hypothesis was disproven

Trial matching checklist

  1. Confirm pathology and whether mixed/adenosquamous histology is allowed.
  2. Record TNM descriptors, edition, resectability, measurable disease, and all metastatic sites.
  3. Complete the molecular assay required by the trial, including exact variant and central confirmation rules.
  4. Build a line-by-line treatment history: agents, dates, best response, progression pattern, and grade ≥3 toxicity.
  5. Review brain metastases, steroids, autoimmune disease, transplant, interstitial lung disease, infection, and anticoagulation.
  6. Check haemoptysis, cavitation, major-vessel invasion, and fistula risk for antiangiogenic or some ADC programs.
  7. Verify ECOG status, renal/hepatic/marrow function, ECG, pulmonary function, and washout intervals.
  8. Ask whether the control arm is a reasonable current option for this individual.
  9. Verify cohort status and slot with the site; do not rely only on overall registry status.
  10. Discuss travel, biopsies, blood draws, hospitalization, contraception, caregiver burden, and financial toxicity.

Endpoint literacy

Endpoint Useful for Vulnerability
ORR Early antitumour activity Can be brief; ignores stable disease, toxicity, and survival
PFS Delaying progression/death Scan timing, censoring, and pseudoprogression can influence it
EFS Curative-intent multimodality sequence Definitions include different pre/postoperative events across trials
pCR/MPR Rapid perioperative signal Surrogacy for OS is not perfect; pathology processing must be standardized
OS Patient-important and hard to dispute Requires time and is diluted by crossover/subsequent therapy
ctDNA clearance Sensitive biological response Assay- and shedding-dependent; treatment-guided utility unproven
PRO/QoL Function and lived net benefit Missing data are often informative rather than random
Feasibility Surgery/manufacturing/delivery success Must count all enrolled or intended patients, not only treated completers

Portfolio gaps

  • LUSC-specific trials for older, frail, ECOG 2–3, COPD, autoimmune, and transplant populations remain sparse.
  • Central-airway obstruction, cavitation, and bleeding risk are usually exclusions or safety variables, not primary research questions.
  • Few trials randomize ctDNA-guided escalation or de-escalation.
  • The marginal value of adjuvant checkpoint blockade after neoadjuvant pCR remains unisolated.
  • ADC programs need prospective histology interaction and target-heterogeneity studies.
  • Patient-reported breathlessness, cough, haemoptysis fear, cognition, caregiver burden, and treatment time are inconsistently prioritized.
  • Global participation does not guarantee representative access within countries or among rural and lower-income patients.

Open questions

  1. Can NFE2L2/KEAP1-directed metabolic therapy convert an immune-resistant state without prohibitive systemic toxicity?
  2. Which surface antigen is sufficiently homogeneous and tumour-selective for a durable LUSC ADC?
  3. Can MRD-guided treatment reduce recurrence and spare MRD-negative patients unnecessary therapy?
  4. What is the minimum effective duration of maintenance immunotherapy after chemo-immunotherapy response?
  5. Can platform trials report completed negative hypotheses as visibly as positive substudies?

References

  1. ClinicalTrials.gov. CheckMate 017. [NCT01642004](https://clinicaltrials.gov/study/NCT01642004){target="_blank" rel="noopener"}
  2. ClinicalTrials.gov. KEYNOTE-407. [NCT02775435](https://clinicaltrials.gov/study/NCT02775435){target="_blank" rel="noopener"}
  3. ClinicalTrials.gov. CheckMate 816. [NCT02998528](https://clinicaltrials.gov/study/NCT02998528){target="_blank" rel="noopener"}
  4. ClinicalTrials.gov. KEYNOTE-671. [NCT03425643](https://clinicaltrials.gov/study/NCT03425643){target="_blank" rel="noopener"}
  5. ClinicalTrials.gov. AEGEAN. [NCT03800134](https://clinicaltrials.gov/study/NCT03800134){target="_blank" rel="noopener"}
  6. ClinicalTrials.gov. CheckMate 77T. [NCT04025879](https://clinicaltrials.gov/study/NCT04025879){target="_blank" rel="noopener"}
  7. ClinicalTrials.gov. PACIFIC. [NCT02125461](https://clinicaltrials.gov/study/NCT02125461){target="_blank" rel="noopener"}
  8. ClinicalTrials.gov. IMpower010. [NCT02486718](https://clinicaltrials.gov/study/NCT02486718){target="_blank" rel="noopener"}
  9. ClinicalTrials.gov. PEARLS/KEYNOTE-091. [NCT02504372](https://clinicaltrials.gov/study/NCT02504372){target="_blank" rel="noopener"}
  10. ClinicalTrials.gov. Lung-MAP master protocol. [NCT02154490](https://clinicaltrials.gov/study/NCT02154490){target="_blank" rel="noopener"}
  11. ClinicalTrials.gov. Cabozantinib/nivolumab Lung-MAP-related study. [NCT04310007](https://clinicaltrials.gov/study/NCT04310007){target="_blank" rel="noopener"}
  12. ClinicalTrials.gov. ctDNA-directed lung-cancer therapy. [NCT04966663](https://clinicaltrials.gov/study/NCT04966663){target="_blank" rel="noopener"}
  13. ClinicalTrials.gov. Cabozantinib plus pembrolizumab maintenance. [NCT05613413](https://clinicaltrials.gov/study/NCT05613413){target="_blank" rel="noopener"}
  14. ClinicalTrials.gov. V940-013 personalized vaccine study. [NCT07221474](https://clinicaltrials.gov/study/NCT07221474){target="_blank" rel="noopener"}
  15. ClinicalTrials.gov. DRP-104 in NFE2L2/KEAP1-altered NSCLC. [NCT07249372](https://clinicaltrials.gov/study/NCT07249372){target="_blank" rel="noopener"}
  16. ClinicalTrials.gov. HLX43 ± HLX07 in advanced squamous NSCLC. [NCT07459751](https://clinicaltrials.gov/study/NCT07459751){target="_blank" rel="noopener"}
  17. ClinicalTrials.gov. PANKU-Lung05. [NCT07739199](https://clinicaltrials.gov/study/NCT07739199){target="_blank" rel="noopener"}
  18. ClinicalTrials.gov. HDM2020 FGFR2b ADC. [NCT07638891](https://clinicaltrials.gov/study/NCT07638891){target="_blank" rel="noopener"}
  19. ClinicalTrials.gov. DIAL maintenance-duration trial. [NCT05255302](https://clinicaltrials.gov/study/NCT05255302){target="_blank" rel="noopener"}
  20. ClinicalTrials.gov. Cancer-specific CD8+ TIL therapy. [NCT05902520](https://clinicaltrials.gov/study/NCT05902520){target="_blank" rel="noopener"}
  21. ClinicalTrials.gov. EV-202 enfortumab vedotin basket study. [NCT04225117](https://clinicaltrials.gov/study/NCT04225117){target="_blank" rel="noopener"}
  22. ClinicalTrials.gov. Afatinib plus prednisone in squamous NSCLC. [NCT04497584](https://clinicaltrials.gov/study/NCT04497584){target="_blank" rel="noopener"}
  23. ClinicalTrials.gov. Symbiotic-Lung-10. [NCT07489066](https://clinicaltrials.gov/study/NCT07489066){target="_blank" rel="noopener"}
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  25. Ferrarotto R, Redman MW, Gandara DR, Herbst RS, Papadimitrakopoulou VA. Lung-MAP--framework, overview, and design principles. Chin Clin Oncol. 2015;4(3):36. PMID 26408303
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