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ClinicalTrials.gov 9 recruiting now early-phase tilt small index

Extensive Stage Lung Small Cell Carcinoma: early-phase trial registry

9 of 17 indexed Extensive Stage Lung Small Cell Carcinoma trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,004 of 28,707 conditions by registered trial count.

17 US clinical trials · 9 currently recruiting · #1,004 of 28,707 conditions by registered trial count

Extensive Stage Lung Small Cell Carcinoma: 17 US clinical trials tracked, 9 recruiting.

Extensive Stage Lung Small Cell Carcinoma is the subject of 17 registered US clinical trials on ClinicalTrials.gov, 9 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 16 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 7 of these trials.

Enrollment posture brief

Registry condition extensive-stage-lung-small-cell-carcinoma

OPEN 9 | RECR 53% | LATE 1 | EARLY 16 | RANK #1004 | SPON 7

Nearest open-share peer: Adenoid Cystic Carcinoma (53% recruiting · 17 trials)

Acute Myeloid Leukemia, in R70.6%Extensive Stage Lung Sma (th…53%Abdominal Aortic Aneurysm52.9%Acute Lymphoblastic Leukemia23.5%Actinic Keratosis11.8%
Open-enrollment share among volume-matched conditions near Extensive Stage Lung Small Cell Carcinoma

Extensive Stage Lung Small Cell Carcinoma lists 9 open slots (53% of 17 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Extensive Stage Lung Small Cell Carcinoma on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Extensive Stage Lung Small Cell Carcinoma is recruiting above its size-band peers.

    9 of 17 indexed trials (52.9%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Extensive Stage Lung Small Cell Carcinoma research.

    National Cancer Institute (NCI) accounts for 7 of 17 trials (41.2%). 10 distinct sponsors appear on at least one study for this condition label.

  3. Most Extensive Stage Lung Small Cell Carcinoma trials plan to enrol fewer than 100 people.

    Median target enrolment is 56 among the 17 trials that report a genuine target (sentinel values excluded). 11 of those (64.7%) plan for fewer than 100 participants.

  4. Extensive Stage Lung Small Cell Carcinoma research is mostly interventional.

    17 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 18Phase 28Phase 31

Open and recent trials

17 total, page 1 of 1

RECRUITING Phase 2 900 participants

Using Biomarker Tests to Select and Test New, Personalized Treatments for Extensive Stage Small Cell Lung Cancer, PRISM Study

SWOG Cancer Research Network

NCT06769126

RECRUITING Phase 3 668 participants

S1827 (MAVERICK) Testing Whether the Use of Brain Scans Alone Instead of Brain Scans Plus Preventive Brain Radiation Affects Lifespan in Patients With Small Cell Lung Cancer

SWOG Cancer Research Network

NCT04155034

RECRUITING Phase 2 138 participants

Testing the Addition of Radiation Therapy to the Usual Immune Therapy Treatment (Atezolizumab) for Extensive Stage Small Cell Lung Cancer, The RAPTOR Trial

National Cancer Institute (NCI)

NCT04402788

RECRUITING Phase 2 56 participants

Temozolomide and Atezolizumab for Subsequent Line for the Treatment of Metastatic or Recurrent Small Cell Lung Cancer

Dwight Owen

NCT04919382

RECRUITING Phase 1 45 participants

Testing the Combination of an Anti-cancer Drug, Iadademstat, With Other Anti-cancer Drugs (Atezolizumab or Durvalumab) at Improving Outcomes for Small Cell Lung Cancer

National Cancer Institute (NCI)

NCT06287775

RECRUITING Phase 2 39 participants

Tarlatamab for the Treatment of Extensive Stage Small-cell Lung Cancer

Asrar Alahmadi

NCT07423585

RECRUITING Phase 2 28 participants

Lamivudine in Combination With Chemoimmunotherapy for the Treatment of Extensive Stage Small Cell Lung Cancer

Roswell Park Cancer Institute

NCT04696575

RECRUITING Phase 1 22 participants

Palliative Radiotherapy With Lurbinectedin in Patients With Extensive Stage Small Cell Lung Cancer

Emory University

NCT05244239

RECRUITING Phase 1 18 participants

Phase I/II Trial in ES-SCLC to Enhance Response to Atezolizumab Plus Chemotherapy With Total Body Irradiation

Vanderbilt-Ingram Cancer Center

NCT06110572

ACTIVE NOT RECRUITING Phase 2 104 participants

Randomized Trial of Topotecan With M6620, an ATR Kinase Inhibitor, in Small Cell Lung Cancers and Small Cell Cancers Outside of the Lungs

National Cancer Institute (NCI)

NCT03896503

ACTIVE NOT RECRUITING Phase 2 103 participants

Testing Maintenance Therapy for Small Cell Lung Cancer in Patients With SLFN11 Positive Biomarker

National Cancer Institute (NCI)

NCT04334941

ACTIVE NOT RECRUITING Phase 1 63 participants

Olaparib and Durvalumab With Carboplatin, Etoposide, and/or Radiation Therapy for the Treatment of Extensive-Stage Small Cell Lung Cancer, PRIO Trial

M.D. Anderson Cancer Center

NCT04728230

ACTIVE NOT RECRUITING Phase 1 59 participants

Niraparib, Temozolomide and Atezolizumab in Treating Patients With Advanced Solid Tumors and Extensive-Stage Small Cell Lung Cancer With a Complete or Partial Response to Platinum-Based First-Line Chemotherapy

Jonsson Comprehensive Cancer Center

NCT03830918

ACTIVE NOT RECRUITING Phase 1 18 participants

Testing of Tazemetostat in Combination With Topotecan and Pembrolizumab in Patients With Recurrent Small Cell Lung Cancer

National Cancer Institute (NCI)

NCT05353439

ACTIVE NOT RECRUITING Phase 1 3 participants

LB-100, Carboplatin, Etoposide, and Atezolizumab for the Treatment of Untreated Extensive-Stage Small Cell Lung Cancer

City of Hope Medical Center

NCT04560972

COMPLETED Phase 2 160 participants

Cisplatin/Carboplatin and Etoposide With or Without Nivolumab in Treating Patients With Extensive Stage Small Cell Lung Cancer

National Cancer Institute (NCI)

NCT03382561

COMPLETED Phase 1 3 participants

Testing the Addition of an Anti-cancer Drug, Entinostat, to the Usual Chemotherapy and Immunotherapy Treatment (Atezolizumab, Carboplatin and Etoposide) for Previously Untreated Aggressive Lung Cancer That Has Spread

National Cancer Institute (NCI)

NCT04631029

Phase Distribution

PhaseTrial count
Phase 1 8
Phase 2 8
Phase 3 1

Named interventions

Most-linked intervention names on Extensive Stage Lung Small Cell Carcinoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Etoposide Drug
7 trials
Computed Tomography Procedure
7 trials
Biospecimen Collection Procedure
7 trials
Atezolizumab Biological
6 trials
Carboplatin Drug
6 trials
Biopsy Procedure Procedure
5 trials
Durvalumab Biological
3 trials
Magnetic Resonance Imaging Procedure
3 trials

US sites by state

Facility locations filed on Extensive Stage Lung Small Cell Carcinoma trials. A trial with sites in several states counts in each.

California 9 trials
Illinois 4 trials
Alaska 4 trials
New York 3 trials
Colorado 3 trials
Arizona 3 trials
Arkansas 3 trials
Wisconsin 2 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Extensive Stage Lung Small Cell Carcinoma page

17 registered trials, 9 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 9 Extensive Stage Lung Small Cell Carcinoma trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • National Cancer Institute (NCI) sponsors the most Extensive Stage Lung Small Cell Carcinoma trials on record, review their full trial history before evaluating a specific study. See National Cancer Institute (NCI)'s trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Extensive Stage Lung Small Cell Carcinoma condition card totals 17 registered trials; most-linked intervention Etoposide; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.