Non Small Cell Lung CancerPhase 2NCT06364917
DISCERN: Dual Versus Single ICB in PDL-1 Negative NSCLC
A Phase 2 study testing Pembrolizumab, Carboplatin and Paclitaxel in people with Non Small Cell Lung Cancer, run by University of Alabama at Birmingham at 1 site in United States.
Trial summary
The purpose of this study, known as DISCERN, is to compare two different treatments for a type of lung cancer called non-small cell lung cancer (NSCLC) that does not show a marker known as PD-L1. Read more about this study
- Who is it for?
- Ages 18 to 89 years
- Conditions the study is for
- Non Small Cell Lung Cancer
- What is being tested?
- Pembrolizumab, Carboplatin and Paclitaxel
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 24 participants
- Where
- 1 siteUnited States
- Study dates
- 30 May 2025to Sep 2027
- Phase
- Phase 2
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 89 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Provision of signed and dated informed consent form.
- Stated willingness to comply with all study procedures and availability for the duration of the study.
- Male or female aged 18 years or older.
- Participants must have histologically or cytologically confirmed non-small cell lung cancer which is stage IV
- Participants should not have a known sensitizing mutation for which an FDA-approved.
- targeted therapy for NSCLC exists in first line (e.g., EGFR, ALK, ROS1, BRAF, RET, NTRK, and MET sensitizing mutations
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- Participants should not have received prior systemic anticancer therapy for advanced or metastatic disease. For patients who are recently diagnosed and received one cycle of chemotherapy while awaiting NGS/PDL-1 testing are allowed on study after discussion with medical monitor.
- Participants should have measurable disease based on RECIST 1.1 as determined by the local site investigator/radiology assessment. Target lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions.
- Participants should have a life expectancy of at least 3 months.
- Participants should have a performance status of 0, 1 or 2 on the Eastern Cooperative Oncology Group (ECOG) Performance Status
- Participants should have provided tumor tissue from locations not radiated prior to biopsy; fresh formalin fixed specimens or archival samples which have been determined as PD-L1 status <1% or negative prior to randomization.
- Participants should have been evaluated for circulating tumor DNA at baseline which has been determined to be detected, present or positive.
- Participants with CNS metastases are eligible if all metastases have been treated and have remained stable without growth for at least 2 weeks post-treatment, the participant's neurological status has returned to baseline or remained stable for at least 2 weeks, and any use of corticosteroids for CNS metastases is at a dose of ≤10 mg daily prednisone (or an equivalent dose of another corticosteroid) and has been stable for at least 2 weeks before enrollment.
- Participants should have adequate organ function to be able to safely receive the approved standard of care regimens per the current FDA approved package insert, treating investigators discretion and institutional guidelines.
- For females of reproductive potential: Negative urine and serum pregnancy test within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, serum pregnancy test will be required. Participants should be willing to use an adequate method of contraception for the course of the study through 120 days after last dose of study medication or through 180 days after last dose of chemotherapeutic agents. Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
- For males of reproductive potential: use of condoms or other methods to ensure effective contraception with partner. Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
Who cannot join
- Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy within 4 weeks prior to administration of study regimen.
- Has received a live-virus vaccination within 30 days of planned treatment start. Seasonal flu vaccines that do not contain live virus are permitted.
- Has clinically active diverticulitis, intra-abdominal abscess, GI obstruction, abdominal carcinomatosis.
- Prior treatment or history of allergy/hypersensitivity with anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA-4, or other specific T-cell co-stimulation or checkpoint targeting drugs.
- Has a known sensitivity to any component of cisplatin, carboplatin, paclitaxel or pemetrexed
- Participants with carcinomatous meningitis
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- Participants with active or suspected autoimmune diseases are excluded, with the following exceptions allowed: vitiligo, well-controlled type I diabetes mellitus, residual hypothyroidism due to autoimmune condition requiring hormone replacement, psoriasis not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger.
- Individuals who have received systemic corticosteroids or other immunosuppressive medications within the last 14 days prior to enrollment are excluded. Exceptions are made for topical, inhaled, nasal, ophthalmic steroids, or systemic corticosteroids at physiological doses not to exceed 10 mg/day of prednisone or an equivalent corticosteroid.
- Participants with a history of ILD, or those who are suspected of having symptomatic ILD, or those with pneumonitis.
- Individuals with a positive test for HIV, Hep B or Hep C are excluded unless it is well-controlled with no increased risk of immunosuppression and with no potential drug interactions with current antiviral therapy.
- Participants with a history of other malignancies are excluded, except for those with basal cell carcinoma of the skin, squamous cell carcinoma of the skin, carcinoma in situ of the cervix, carcinoma in situ of the breast, or any cancer in situ that has been treated curatively, and the participant has been in complete remission for more than two years with any cancer prior to the start of the study.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Margaret Thomas, MPH contact
United States1 site, 1 recruiting
- Recruiting
University of Alabama at Birmingham
Birmingham, Alabama, 35294
Margaret Thomas, MPH, margaretannthomas@uabmc.edu
Aakash Desai, MD
About this study
Official title: DISCERN: Dual Immune Strategy Versus Single Checkpoint Inhibition Efficacy Response in PDL-1 Negative Non-Small Cell Lung Cancer (NSCLC)
The purpose of this study, known as DISCERN, is to compare two different treatments for a type of lung cancer called non-small cell lung cancer (NSCLC) that does not show a marker known as PD-L1. This study will help us understand if using two types of immune therapy together with chemotherapy is better than using one type of immune therapy with chemotherapy. We're doing this by looking at changes in the subject's cancer's DNA in the blood after starting treatment.
- Conditions
- Non Small Cell Lung Cancer
- Being tested
- Pembrolizumab, Carboplatin, Paclitaxel, Pemetrexed, Nivolumab
- Medical subject headings
- Carcinoma, Non-Small-Cell Lung
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PembrolizumabDrug
The dosing regimens for Pembrolizumab (200 mg Q3W), are based on established FDA-approved dosages for the treatment of NSCLC, ensuring a balance between efficacy and tolerability. These doses are selected based on extensive clinical experience indicating optimal response rates with manageable safety profiles in the target population. The route of administration (intravenous) is chosen for its direct delivery into the bloodstream, ensuring maximum bioavailability and consistency of dosing.
CarboplatinDrug
The combination therapy dosages for Carboplatin are aligned with standard chemotherapy protocols for NSCLC, tailored to minimize toxicity while maintaining therapeutic efficacy. This dosing strategy is justified by previous phase 3 trials demonstrating the effectiveness and safety of these regimens in advanced NSCLC patients.
PaclitaxelDrug
The combination therapy dosages for Paclitaxel are aligned with standard chemotherapy protocols for NSCLC, tailored to minimize toxicity while maintaining therapeutic efficacy. This dosing strategy is justified by previous phase 3 trials demonstrating the effectiveness and safety of these regimens in advanced NSCLC patients.
PemetrexedDrug
The combination therapy dosages for Pemetrexed are aligned with standard chemotherapy protocols for NSCLC, tailored to minimize toxicity while maintaining therapeutic efficacy. This dosing strategy is justified by previous phase 3 trials demonstrating the effectiveness and safety of these regimens in advanced NSCLC patients.
NivolumabDrug
The dosing regimens for Nivolumab (360 mg Q3W) are based on established FDA-approved dosages for the treatment of NSCLC, ensuring a balance between efficacy and tolerability. These doses are selected based on extensive clinical experience indicating optimal response rates with manageable safety profiles in the target population. The route of administration (intravenous) is chosen for its direct delivery into the bloodstream, ensuring maximum bioavailability and consistency of dosing.
IpilimumabDrug
The dosing regimens for Ipilimumab (1 mg/kg Q6W) are based on established FDA-approved dosages for the treatment of NSCLC, ensuring a balance between efficacy and tolerability. These doses are selected based on extensive clinical experience indicating optimal response rates with manageable safety profiles in the target population. The route of administration (intravenous) is chosen for its direct delivery into the bloodstream, ensuring maximum bioavailability and consistency of dosing.
| Study group | Role | What they receive |
|---|---|---|
| single agent immune checkpoint blockade (ICB) + chemotherapy (CT) | Experimental | 200 mg of Pembrolizumab will be administered intravenously (IV) every 3 weeks (Q3W) for 4 cycles.
Combination chemotherapy:
For squamous NSCLC: Carboplatin (dose according to area under the curve (AUC) 6) + paclitaxel 200 mg/m².
For non-squamous NSCLC: Carboplatin (AUC 5) + pemetrexed 500 mg/m². Maintenance Therapy for Non-Squamous NSCLC: Pembrolizumab 200 mg + pemetrexed 500 mg/m² Q3W for up to 2 years. Receives: Drug: Pembrolizumab; Drug: Carboplatin; Drug: Paclitaxel; Drug: Pemetrexed |
| dual agent immune checkpoint blockade (ICB) + chemotherapy (CT) | Experimental | Drug 1: 360 mg of Nivolumab will be administered intravenously (IV) every 3 weeks (Q3W).
Drug 2: 1 mg/kg of Ipilimumab will be administered intravenously (IV) every 6 weeks (Q6W) for 2 cycles.
Combination Chemotherapy:
For squamous NSCLC: Carboplatin (AUC 6) + paclitaxel 200 mg/m². For non-squamous NSCLC: Carboplatin (AUC 5) + pemetrexed 500 mg/m². Maintenance Therapy for Non-Squamous NSCLC: Nivolumab 360 mg Q3W + Ipilimumab 1mg/kg Q6W for up to 2 years. Receives: Drug: Carboplatin; Drug: Paclitaxel; Drug: Pemetrexed; Drug: Nivolumab; Drug: Ipilimumab |
What is being measured
The primary outcome is the main question the study is designed to answer.
Rate of Molecular Response in Patients with PD-L1 Negative Advanced NSCLC Treated with Dual vs. Single ICB Plus CT Regimens
To assess and quantify the rate of molecular response, defined as the complete disappearance of circulating tumor DNA (ctDNA) from baseline levels, by Cycle 4 Day 1 (C4D1). This study compares patients with PD-L1 negative advanced non-small cell lung cancer (NSCLC) who are treated with a dual immune checkpoint blockade (ICB) plus chemotherapy (CT) strategy against those receiving a single ICB plus CT regimen. The objective explores whether the addition of a second ICB enhances the molecular response when integrated into standard chemoimmunotherapy protocols in this specific patient population.
Measured: Baseline to 64 days (C4D1)
Secondary outcomes (2)
Efficacy Evaluation
To determine the Overall Response Rate (ORR) in patients receiving dual immune checkpoint blockade (ICB) plus chemotherapy (CT) and those receiving single ICB plus CT. The ORR will be assessed using the Response Evaluation Criteria in Solid Tumors (RECIST) v1.1.
Measured: Baseline up to 24 months
Correlation Analysis
To investigate the correlation between ctDNA responses at Cycle 4 Day 1 (C4D1) and traditional RECIST v1.1 criteria in patients receiving dual versus single ICB plus CT. The analysis aims to validate ctDNA as a predictive biomarker for treatment response.
Measured: Baseline up to 24 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted15 Apr 2024
- Study start30 May 2025
- Primary completion27 Apr 2027 (estimated)
- Study completionSep 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Non Small Cell Lung CancerStudies of the same condition, open and under way.
- More trials run by University of Alabama at BirminghamThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 24 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Alabama at Birmingham
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Aakash Desai, MD, University of Alabama at Birmingham
- Investigators
- Aakash Desai, MD, Principal investigator, University of Alabama at Birmingham
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06364917
- Sponsor's protocol ID
- IRB-300012781 (UAB2432)
- Other IDs
- Robert Award
- Status last verified
- Jun 2026
- First submitted
- 10 Apr 2024
- Last updated
- 15 Jun 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 15 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- DISCERN: Dual Immune Strategy Versus Single Checkpoint Inhibition Efficacy Response in PDL-1 Negative Non-Small Cell Lung Cancer (NSCLC)
- ClinicalTrials.gov ID
- NCT06364917
- Acronym / sponsor ID
- IRB-300012781 (UAB2432)
- Conditions
- Non Small Cell Lung Cancer
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 24 participants (estimated)
- Lead sponsor
- University of Alabama at BirminghamUniversity, hospital or other
- Study start
- 30 May 2025 (actual)
- Primary completion
- 27 Apr 2027 (estimated)
- Study completion
- Sep 2027 (estimated)
- First posted
- 15 Apr 2024 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study, known as DISCERN, is to compare two different treatments for a type of lung cancer called non-small cell lung cancer (NSCLC) that does not show a marker known as PD-L1. This study will help us understand if using two types of immune therapy together with chemotherapy is better than using one type of immune therapy with chemotherapy. We're doing this by looking at changes in the subject's cancer's DNA in the blood after starting treatment.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| single agent immune checkpoint blockade (ICB) + chemotherapy (CT) | Experimental | Drug: Pembrolizumab, Drug: Carboplatin, Drug: Paclitaxel, Drug: Pemetrexed200 mg of Pembrolizumab will be administered intravenously (IV) every 3 weeks (Q3W) for 4 cycles. Combination chemotherapy: For squamous NSCLC: Carboplatin (dose according to area under the curve (AUC) 6) + paclitaxel 200 mg/m². For non-squamous NSCLC: Carboplatin (AUC 5) + pemetrexed 500 mg/m². Maintenance Therapy for Non-Squamous NSCLC: Pembrolizumab 200 mg + pemetrexed 500 mg/m² Q3W for up to 2 years. |
| dual agent immune checkpoint blockade (ICB) + chemotherapy (CT) | Experimental | Drug: Carboplatin, Drug: Paclitaxel, Drug: Pemetrexed, Drug: Nivolumab, Drug: IpilimumabDrug 1: 360 mg of Nivolumab will be administered intravenously (IV) every 3 weeks (Q3W). Drug 2: 1 mg/kg of Ipilimumab will be administered intravenously (IV) every 6 weeks (Q6W) for 2 cycles. Combination Chemotherapy: For squamous NSCLC: Carboplatin (AUC 6) + paclitaxel 200 mg/m². For non-squamous NSCLC: Carboplatin (AUC 5) + pemetrexed 500 mg/m². Maintenance Therapy for Non-Squamous NSCLC: Nivolumab 360 mg Q3W + Ipilimumab 1mg/kg Q6W for up to 2 years. |
Who may qualify
- Ages
- 18 to 89 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (16 listed)
- Provision of signed and dated informed consent form.
- Stated willingness to comply with all study procedures and availability for the duration of the study.
- Male or female aged 18 years or older.
- Participants must have histologically or cytologically confirmed non-small cell lung cancer which is stage IV
- Participants should not have a known sensitizing mutation for which an FDA-approved.
Key exclusion criteria (11 listed)
- Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy within 4 weeks prior to administration of study regimen.
- Has received a live-virus vaccination within 30 days of planned treatment start. Seasonal flu vaccines that do not contain live virus are permitted.
- Has clinically active diverticulitis, intra-abdominal abscess, GI obstruction, abdominal carcinomatosis.
- Prior treatment or history of allergy/hypersensitivity with anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA-4, or other specific T-cell co-stimulation or checkpoint targeting drugs.
- Has a known sensitivity to any component of cisplatin, carboplatin, paclitaxel or pemetrexed
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| PembrolizumabThe dosing regimens for Pembrolizumab (200 mg Q3W), are based on established FDA-approved dosages for the treatment of NSCLC, ensuring a balance between efficacy and tolerability. These doses are selected based on extensive clinical experience indicating optimal response rates with manageable safety profiles in the target population. The route of administration (intravenous) is chosen for its direct delivery into the bloodstream, ensuring maximum bioavailability and consistency of dosing. | Drug | single agent immune checkpoint blockade (ICB) + chemotherapy (CT) |
| CarboplatinThe combination therapy dosages for Carboplatin are aligned with standard chemotherapy protocols for NSCLC, tailored to minimize toxicity while maintaining therapeutic efficacy. This dosing strategy is justified by previous phase 3 trials demonstrating the effectiveness and safety of these regimens in advanced NSCLC patients. | Drug | dual agent immune checkpoint blockade (ICB) + chemotherapy (CT), single agent immune checkpoint blockade (ICB) + chemotherapy (CT) |
| PaclitaxelThe combination therapy dosages for Paclitaxel are aligned with standard chemotherapy protocols for NSCLC, tailored to minimize toxicity while maintaining therapeutic efficacy. This dosing strategy is justified by previous phase 3 trials demonstrating the effectiveness and safety of these regimens in advanced NSCLC patients. | Drug | dual agent immune checkpoint blockade (ICB) + chemotherapy (CT), single agent immune checkpoint blockade (ICB) + chemotherapy (CT) |
| PemetrexedThe combination therapy dosages for Pemetrexed are aligned with standard chemotherapy protocols for NSCLC, tailored to minimize toxicity while maintaining therapeutic efficacy. This dosing strategy is justified by previous phase 3 trials demonstrating the effectiveness and safety of these regimens in advanced NSCLC patients. | Drug | dual agent immune checkpoint blockade (ICB) + chemotherapy (CT), single agent immune checkpoint blockade (ICB) + chemotherapy (CT) |
| NivolumabThe dosing regimens for Nivolumab (360 mg Q3W) are based on established FDA-approved dosages for the treatment of NSCLC, ensuring a balance between efficacy and tolerability. These doses are selected based on extensive clinical experience indicating optimal response rates with manageable safety profiles in the target population. The route of administration (intravenous) is chosen for its direct delivery into the bloodstream, ensuring maximum bioavailability and consistency of dosing. | Drug | dual agent immune checkpoint blockade (ICB) + chemotherapy (CT) |
| IpilimumabThe dosing regimens for Ipilimumab (1 mg/kg Q6W) are based on established FDA-approved dosages for the treatment of NSCLC, ensuring a balance between efficacy and tolerability. These doses are selected based on extensive clinical experience indicating optimal response rates with manageable safety profiles in the target population. The route of administration (intravenous) is chosen for its direct delivery into the bloodstream, ensuring maximum bioavailability and consistency of dosing. | Drug | dual agent immune checkpoint blockade (ICB) + chemotherapy (CT) |
Primary outcome
Rate of Molecular Response in Patients with PD-L1 Negative Advanced NSCLC Treated with Dual vs. Single ICB Plus CT Regimens
Time frame: Baseline to 64 days (C4D1)
To assess and quantify the rate of molecular response, defined as the complete disappearance of circulating tumor DNA (ctDNA) from baseline levels, by Cycle 4 Day 1 (C4D1). This study compares patients with PD-L1 negative advanced non-small cell lung cancer (NSCLC) who are treated with a dual immune checkpoint blockade (ICB) plus chemotherapy (CT) strategy against those receiving a single ICB plus CT regimen. The objective explores whether the addition of a second ICB enhances the molecular response when integrated into standard chemoimmunotherapy protocols in this specific patient population.
2 secondary outcomes
Efficacy Evaluation
Time frame: Baseline up to 24 months
Correlation Analysis
Time frame: Baseline up to 24 months
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 15 Jun 2026.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Margaret Thomas, MPH contact
Aakash Desai, MD principal investigator
University of Alabama at Birmingham
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing Pembrolizumab, Carboplatin and Paclitaxel in people with Non Small Cell Lung Cancer, run by University of Alabama at Birmingham at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 16 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 15 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Aakash Desai, MD, MPH ((205) 934-3411, aakashdesai@uabmc.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Rate of Molecular Response in Patients with PD-L1 Negative Advanced NSCLC Treated with Dual vs. Single ICB Plus CT Regimens (time frame: Baseline to 64 days (C4D1)). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Jun 2026.