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EOS100850 + Immunotherapy/Chemotherapy for Cancer (IO-001 Trial)

Phase 1
Waitlist Available
Research Sponsored by iTeos Therapeutics
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Women and men ≥18 years of age with Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
Subject with histologically or cytologically confirmed advanced solid tumor for whom no standard treatment is further available.
Timeline
Screening 3 weeks
Treatment Varies
Follow Up up to 30 months
Awards & highlights
No Placebo-Only Group

Summary

This trial is testing a new drug called EOS100850, along with Pembrolizumab and Chemotherapy, in patients with advanced cancers. The goal is to see if these treatments can work alone or together to better fight cancer by stopping its growth, helping the immune system attack it, and killing cancer cells.

Who is the study for?
Adults over 18 with advanced solid tumors, no standard treatment options left, and a performance status showing they're still fairly active. They must have finished any previous cancer treatments at least 4 weeks ago and agree to tumor biopsies before and during the trial. Their organs and bone marrow should work well.
What is being tested?
This study is testing EOS100850 alone or combined with Pembrolizumab (an immunotherapy drug) or Chemotherapy in people with advanced cancers. It's an early-phase trial to find out the safest dose, how the body processes it, its effects on tumors, and side effects.
What are the potential side effects?
Possible side effects include reactions related to immune system activation by EOS100850 or Pembrolizumab such as fatigue, skin issues, inflammation of organs; chemotherapy may cause nausea, hair loss, blood cell count changes.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I am 18 or older and can care for myself with minimal assistance.
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My advanced cancer has no standard treatments left.
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My organs and bone marrow are working well.
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I agree to have tumor biopsies before and during treatment.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~up to 30 months
This trial's timeline: 3 weeks for screening, Varies for treatment, and up to 30 months for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Incidence and severity of AEs in patients receiving EOS100850
Incidence of Dose-Limiting Toxicities (DLTs) in patients with advanced solid tumors receiving EOS100850
Secondary study objectives
Area under the concentration-time curve in 1 dosing interval [AUC(TAU)]
Maximum observed serum concentration (Cmax)
Overall response rate per Response Evaluation Criteria In Solid Tumors (RECIST) v1.1
+3 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

6Treatment groups
Experimental Treatment
Group I: 3 EOS100850 in BMK-H participantsExperimental Treatment1 Intervention
Dose expansion - EOS100850 Monotherapy : to evaluate the safety, PD, and antitumor activity of inupadenant as monotherapy at the mono-RP2D in BMK-H participants in 4 disease-specific cohorts: NSCLC; HNSCC; EC; and other forms of cancer
Group II: 2D Dose expansion - EOS100850 and Chemotherapy in TNBCExperimental Treatment2 Interventions
Dose expansion - EOS100850 and Chemotherapy Combination: to explore safety, PK, PD, and antitumor activity of inupadenant in combination with chemotherapy SOC carboplatin and paclitaxel in patients with TNBC
Group III: 2B Dose Expansion - EOS100850 and PembrolizumabExperimental Treatment2 Interventions
Dose Expansion - EOS100850 and Pembrolizumab Combination Therapy: to explore safety, PK, PD, and antitumor activity of inupadenant in combination with pembrolizumab in melanoma and CRPC patients
Group IV: 2A Dose Expansion- EOS100850Experimental Treatment1 Intervention
Dose Expansion - EOS100850 Monotherapy: to explore safety, PK, PD, and antitumor activity of inupadenant as monotherapy
Group V: 1B Dose escalation EOS100850 and PembrolizumabExperimental Treatment2 Interventions
EOS100850 and Pembrolizumab Combination Therapy: to confirm RP2D as combination
Group VI: 1A Dose escalation EOS100850Experimental Treatment1 Intervention
Dose Escalation- EOS100850 Monotherapy: to confirm RP2D
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Chemotherapy
2003
Completed Phase 4
~3050
Pembrolizumab
2017
Completed Phase 3
~2810
EOS100850
2019
Completed Phase 1
~120

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 can also affect healthy cells, leading to side effects. Immunotherapy, such as immune checkpoint inhibitors, enhances the body's immune response against cancer cells by targeting proteins like PD-1/PD-L1 or CTLA-4, which tumors use to evade immune detection. Targeted therapies focus on specific molecular targets associated with cancer growth and survival, such as HER2 in breast cancer or EGFR in lung cancer. Understanding these mechanisms is crucial for patients as it helps in selecting the most appropriate treatment, managing expectations regarding efficacy and side effects, and exploring potential participation in clinical trials for novel therapies like EOS100850.
Towards pathway-centric cancer therapies via pharmacogenomic profiling analysis of ERK signalling pathway.Promising novel therapies for the treatment of endometrial cancer.Neoadjuvant therapy before radical prostatectomy in high-risk localized prostate cancer: defining appropriate endpoints.

Find a Location

Who is running the clinical trial?

iTeos Belgium SAIndustry Sponsor
7 Previous Clinical Trials
742 Total Patients Enrolled
Merck Sharp & Dohme LLCIndustry Sponsor
4,007 Previous Clinical Trials
5,184,981 Total Patients Enrolled
iTeos TherapeuticsLead Sponsor
10 Previous Clinical Trials
2,480 Total Patients Enrolled

Media Library

Chemotherapy (Other) Clinical Trial Eligibility Overview. Trial Name: NCT03873883 — Phase 1
Solid Tumors Clinical Trial 2023: Chemotherapy Highlights & Side Effects. Trial Name: NCT03873883 — Phase 1
Chemotherapy (Other) 2023 Treatment Timeline for Medical Study. Trial Name: NCT03873883 — Phase 1
~18 spots leftby Nov 2025