Inupadenant

Inupadenant, also known as EOS100850, is an investigational drug currently being studied in clinical trials for the treatment of advanced solid tumors and non-small cell lung cancer (NSCLC). This article explores the ongoing research on Inupadenant, its potential benefits, and its role in combination therapies for cancer treatment.

Table of Contents

What is Inupadenant?

Inupadenant, also known by its former name EOS100850, is a new drug being developed for cancer treatment[1]. It belongs to a class of medications called adenosine 2A receptor antagonists[2]. This means it works by blocking a specific receptor in the body that cancer cells often use to evade the immune system.

How Does Inupadenant Work?

To understand how inupadenant works, it’s important to know about a substance called adenosine. Adenosine is a molecule that can suppress the immune system’s ability to fight cancer. Cancer cells often produce high levels of adenosine to protect themselves from immune attack. Inupadenant blocks the adenosine 2A receptor, which is one of the ways adenosine communicates with immune cells. By doing this, inupadenant helps to “unmask” cancer cells, making them more visible and vulnerable to the body’s immune system[2].

What Conditions Does Inupadenant Treat?

Inupadenant is being studied for the treatment of various types of cancer, particularly:

  • Advanced solid tumors: These are cancers that form solid masses in the body, such as in the lungs, breast, or colon[1].
  • Non-small cell lung cancer (NSCLC): This is the most common type of lung cancer. Inupadenant is being tested specifically in patients with nonsquamous NSCLC, a subtype of this cancer[2].

Clinical Trials and Research

Inupadenant is currently being studied in several clinical trials to determine its effectiveness and safety. These trials are crucial steps in the drug development process. Here are some key studies:

  1. Phase I Study (NCT05117177): This study is looking at the safety, tolerability, and how the body processes different formulations of inupadenant in patients with advanced solid tumors[1].
  2. Phase II Study (NCT05403385): This trial is testing inupadenant in combination with standard chemotherapy drugs (carboplatin and pemetrexed) for patients with nonsquamous non-small cell lung cancer who have progressed after initial immunotherapy[2].
  3. Combination Study (NCT05060432): This study is exploring how inupadenant works in combination with other cancer drugs, including immunotherapies like dostarlimab[3].

Administration and Dosage

Inupadenant is administered orally, meaning it’s taken by mouth[1]. The exact dosage is still being determined through clinical trials. Researchers are studying different dose levels to find the most effective and safe amount for patients. They’re also investigating how food might affect how the body processes the drug[1].

Side Effects and Safety

As with all medications, inupadenant may cause side effects. The ongoing clinical trials are carefully monitoring patients for any adverse reactions. Some of the things researchers are watching for include:

  • Dose-limiting toxicities (DLTs): These are side effects severe enough to prevent increasing the dose of the drug[1].
  • Adverse events (AEs): Any unfavorable and unintended sign, symptom, or disease associated with the use of the drug[2].
  • Serious adverse events (SAEs): AEs that result in hospitalization, disability, or are life-threatening[2].
  • Changes in laboratory test results or electrocardiogram (ECG) readings[1].

It’s important to note that the full safety profile of inupadenant is still being established through these clinical trials.

Combination Therapies

Researchers are exploring how inupadenant works when combined with other cancer treatments. Some combinations being studied include:

  • Inupadenant with carboplatin and pemetrexed (chemotherapy drugs) for non-small cell lung cancer[2].
  • Inupadenant with immunotherapy drugs like pembrolizumab or dostarlimab[3].
  • Inupadenant as part of a triple combination with dostarlimab and standard chemotherapies for lung cancer[3].

These combination approaches aim to enhance the overall effectiveness of cancer treatment by attacking cancer cells through multiple mechanisms.

Future Prospects

While inupadenant is still in the research phase, it shows promise as a potential new tool in cancer treatment. The ongoing clinical trials will provide crucial information about its effectiveness, safety, and best use in cancer therapy. If successful, inupadenant could offer new hope for patients with advanced solid tumors and lung cancer, particularly those who have not responded well to other treatments[2][3].

As research continues, more information will become available about this promising new drug. Patients interested in learning more about inupadenant or participating in clinical trials should discuss this with their oncologist or healthcare provider.

Aspect Details
Drug Name Inupadenant (EOS100850)
Drug Type Adenosine A2A receptor antagonist
Administration Oral
Targeted Conditions Advanced solid tumors, Non-small cell lung cancer (NSCLC)
Clinical Trial Phases Phase I, Phase II
Combination Therapies Carboplatin, Pemetrexed, Dostarlimab, EOS-448
Primary Outcomes Safety, tolerability, pharmacokinetics, efficacy
Secondary Outcomes Overall response rate, duration of response, progression-free survival

Ongoing Clinical Trials on Inupadenant

  • Study of EOS884448, Dostarlimab, and Inupadenant for Patients with Advanced Solid Tumors

    Not recruiting

    1 1 1
    Investigated diseases:
    Belgium France Italy Spain

Glossary

  • Adenosine A2A receptor antagonist: A type of drug that blocks the action of adenosine on the A2A receptor, which may help enhance the immune system's ability to fight cancer cells.
  • Advanced solid tumors: Cancers that have spread from where they started to other parts of the body and are usually difficult to treat.
  • Non-small cell lung cancer (NSCLC): A type of lung cancer that is the most common form, accounting for about 80-85% of all lung cancers.
  • Metastatic cancer: Cancer that has spread from its original site to other parts of the body.
  • Pharmacokinetics (PK): The study of how a drug moves through the body, including how it is absorbed, distributed, metabolized, and eliminated.
  • Maximum tolerated dose (MTD): The highest dose of a drug that does not cause unacceptable side effects.
  • Recommended phase 2 dose (RP2D): The dose of a drug determined to be safe and effective for further testing in larger clinical trials.
  • Dose-limiting toxicity (DLT): Side effects that are severe enough to prevent an increase in the dose of a drug being tested.
  • RECIST v1.1: Response Evaluation Criteria In Solid Tumors version 1.1, a standard way to measure how well a cancer patient responds to treatment.
  • Progression-free survival (PFS): The length of time during and after treatment that a patient lives with cancer without it getting worse.
  • Overall response rate (ORR): The percentage of patients whose cancer shrinks or disappears after treatment.
  • Duration of response (DOR): The length of time that a tumor continues to respond to treatment without growing or spreading.

References