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NL-201 + Pembrolizumab for Cancer

Phase 1
Waitlist Available
Research Sponsored by Neurogene Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Part 1 Only: Patients with relapsed or refractory advanced solid tumor, other than prostate cancer, who have progressed, not tolerated or are ineligible for all approved lines of therapy
Part 4 Only: Patients with diagnosed target disease OR previously received pembrolizumab
Must not have
Prior IL-2-based cancer therapy
Concurrent therapy with any other investigational agent, vaccine, or device
Timeline
Screening 3 weeks
Treatment Varies
Follow Up upto 36 months
Awards & highlights

Summary

This trial tests the safety and effectiveness of NL-201 alone and with pembrolizumab in patients with advanced cancer. NL-201 may directly affect cancer cells, and pembrolizumab helps the immune system attack cancer. The goal is to find a safe and effective dose and schedule for these treatments. Pembrolizumab has shown efficacy and safety in treating various cancers, including melanoma.

Who is the study for?
This trial is for adults with advanced solid tumors who have tried all approved treatments without success, or can't tolerate them. They must be at least 6 weeks out from certain cancer drugs and have a good performance status. People with prostate cancer, active COVID-19, recent transplants, ongoing immunosuppression, another progressing cancer within the last 2 years (except some skin cancers), or those on other investigational therapies are excluded.
What is being tested?
The study tests NL-201 alone (Parts 1 & 2) and combined with Pembrolizumab (Parts 3 & 4) in patients with relapsed or refractory cancer. It aims to find safe dosages and schedules by evaluating how well participants tolerate these drugs and observing any potential benefits.
What are the potential side effects?
Possible side effects of NL-201 and Pembrolizumab may include reactions at the infusion site, immune-related issues affecting organs like lungs or intestines, fatigue, skin conditions, changes in blood counts leading to increased infection risk or bleeding problems.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I have an advanced solid tumor (not prostate cancer) and no standard treatments work for me.
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I have the target disease or have been treated with pembrolizumab.
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It's been over 6 weeks since my last nitrosurea or mitomycin C therapy, 4 weeks since any chemotherapy or checkpoint inhibitor, and 2 weeks since any kinase inhibitor.
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I am fully active or can carry out light work.
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My cancer can be measured by tests.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I have previously received IL-2-based cancer treatment.
Select...
I am not currently using any experimental treatments or devices.
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I have previously received CAR-T or allogeneic cellular therapy.
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I am currently on medication to suppress my immune system.
Select...
I have had a solid organ or bone marrow transplant.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~upto 36 months
This trial's timeline: 3 weeks for screening, Varies for treatment, and upto 36 months for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Incidence of treatment-emergent adverse events
Recommended dose schedule for NL-201 (Parts 1 and 2)
Recommended dose schedule for NL-201 in combination with Pembrolizumab (Parts 3 and 4)
+3 more
Secondary outcome measures
Best Objective Response according to RECIST version 1.1
Duration of Response (DOR) according to RECIST version 1.1
Immunogenicity of NL-201
+7 more
Other outcome measures
Analysis of immune characteristics of the tumor microenvironment
Estimate additional measures of anti-tumor activity of NL- 201 per iRECIST criteria
Flow cytometry analysis of immune cells in blood
+1 more

Side effects data

From 2024 Phase 2 trial • 57 Patients • NCT03004183
21%
Fatigue
13%
Nausea
11%
Back pain
9%
Diarrhea
9%
Anemia
9%
Shortness of Breath
9%
Abdominal pain
7%
Kidney Injury and/or Infection
7%
Pneumonia
7%
Weight Loss
7%
Dyspnea
5%
Malnutrition, Hypercalcemia and Weakness
5%
Pneumothorax
5%
Intractable pain, back pain, hip pain
5%
Activated partial thromboplastin time prolonged
4%
Atrial fibrillation with rapid ventricular response
4%
Pleural effusion
2%
colitis
2%
Thrombocytopenia
2%
Respiratory failure
2%
Skin rash
100%
80%
60%
40%
20%
0%
Study treatment Arm
Single Arm

Trial Design

4Treatment groups
Experimental Treatment
Group I: Part 4: NL-201 in Combination with Pembrolizumab Expansion CohortsExperimental Treatment2 Interventions
NL-201 in combination with Pembrolizumab in indication specific cohorts at a dose and schedule determined in Part 3
Group II: Part 3: NL-201 in Combination with Pembrolizumab Dose EscalationExperimental Treatment2 Interventions
NL-201, in combination with a set Pembrolizumab dose, testing ascending doses and two different schedules
Group III: Part 2: NL201 Monotherapy Expansion CohortsExperimental Treatment1 Intervention
NL-201 given as monotherapy by intravenous administration in indication specific cohorts at a dose and schedule determined in Part 1.
Group IV: Part 1: NL-201 Monotherapy Dose EscalationExperimental Treatment1 Intervention
NL-201 given as monotherapy by intravenous administration testing ascending doses and two different schedules.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Pembrolizumab
FDA approved

Research Highlights

Information in this section is not a recommendation. We encourage patients to speak with their healthcare team when evaluating any treatment decision.
Mechanism Of Action
Side Effect Profile
Prior Approvals
Other Research
Common treatments for solid tumors include chemotherapy, immunotherapy, and targeted therapy. Chemotherapy works by killing rapidly dividing cells, which includes cancer cells, but also affects normal cells, leading to side effects. Immunotherapy, such as the combination of NL-201 and pembrolizumab, enhances the body's immune system to recognize and attack cancer cells. Targeted therapy involves drugs designed to target specific genetic mutations or proteins that are involved in tumor growth and progression. These treatments are crucial for solid tumor patients as they offer different mechanisms to control or eliminate cancer, potentially improving survival rates and quality of life.
Current trends and future directions in the genetic therapy of human neoplastic disease.

Find a Location

Who is running the clinical trial?

Neurogene Inc.Lead Sponsor
5 Previous Clinical Trials
81 Total Patients Enrolled
Neoleukin Therapeutics, Inc.Lead Sponsor
Merck Sharp & Dohme LLCIndustry Sponsor
3,919 Previous Clinical Trials
5,068,204 Total Patients Enrolled

Media Library

NL-201 (Other) Clinical Trial Eligibility Overview. Trial Name: NCT04659629 — Phase 1
NL-201 (Other) 2023 Treatment Timeline for Medical Study. Trial Name: NCT04659629 — Phase 1
Solid Tumors Clinical Trial 2023: NL-201 Highlights & Side Effects. Trial Name: NCT04659629 — Phase 1
Solid Tumors Research Study Groups: Part 1: NL-201 Monotherapy Dose Escalation, Part 2: NL201 Monotherapy Expansion Cohorts, Part 3: NL-201 in Combination with Pembrolizumab Dose Escalation, Part 4: NL-201 in Combination with Pembrolizumab Expansion Cohorts
~14 spots leftby Sep 2025