Table of Contents
- What is CYC140?
- How CYC140 Works
- Medical Conditions Treated
- Clinical Trial Overview
- Eligibility Criteria
- Potential Benefits
- Safety and Side Effects
What is CYC140?
CYC140 is a new medication being studied for the treatment of advanced solid tumors and lymphoma. Its full name is CYC140 MONOHYDROCHLORIDE MONOHYDRATE, and it’s being developed by Cyclacel Limited[1]. This drug is currently in clinical trials, which means it’s being tested to see how well it works and how safe it is for patients.
How CYC140 Works
CYC140 is what’s known as an oral PLK1 inhibitor[1]. To understand what this means:
- Oral: The medication is taken by mouth, usually in the form of a capsule.
- PLK1: This stands for Polo-Like Kinase 1, which is a protein that plays a crucial role in cell division. In many types of cancer, there’s too much PLK1, which leads to uncontrolled cell growth.
- Inhibitor: This means the drug works by blocking or reducing the activity of PLK1.
By inhibiting PLK1, CYC140 aims to slow down or stop the growth of cancer cells[1].
Medical Conditions Treated
CYC140 is being studied for the treatment of various types of advanced cancers, including[1]:
- Metastatic colorectal cancer: Cancer of the colon or rectum that has spread to other parts of the body
- Cholangiocarcinoma: Cancer of the bile ducts (both inside and outside the liver)
- Hepatocellular carcinoma: The most common type of liver cancer
- Non-small cell lung cancer: A common type of lung cancer
- Small cell lung cancer: A less common, but often more aggressive type of lung cancer
- Gallbladder carcinoma: Cancer of the gallbladder
- Lymphoma: Cancer that begins in cells of the lymph system
Clinical Trial Overview
The clinical trial for CYC140 is a Phase 1/2 study, which means it combines two stages of testing[1]:
- Phase 1: This part of the study aims to determine the safest and most effective dose of CYC140. Researchers will be looking at how the drug is processed by the body (pharmacokinetics) and any side effects it may cause.
- Phase 2: This part of the study will evaluate how well CYC140 works in treating various types of advanced cancers. Researchers will measure the overall response rate, which means how many patients see their tumors shrink or disappear after treatment.
The study is described as “open-label,” which means both the patients and the doctors know which treatment is being given. It’s also “multicenter,” indicating that the study is being conducted at multiple hospitals or clinics[1].
Eligibility Criteria
To participate in this clinical trial, patients must meet certain criteria. Some key points include[1]:
- Be at least 18 years old
- Have a confirmed diagnosis of advanced cancer that has either progressed after standard treatment or for which no standard treatment exists
- Have at least one measurable tumor
- Be in relatively good overall health (ECOG performance status of 0-2)
There are also several factors that would exclude a person from participating, such as having untreated brain metastases, certain active infections, or having received other cancer treatments very recently[1].
Potential Benefits
While it’s important to remember that CYC140 is still in the testing phase, researchers hope it may offer several potential benefits[1]:
- Shrinking tumors or slowing their growth
- Improving overall survival rates
- Providing a new treatment option for patients who have not responded to other therapies
The study will measure these outcomes through various means, including tracking how long patients live without their disease getting worse (progression-free survival) and how long they live overall (overall survival)[1].
Safety and Side Effects
A major goal of this clinical trial is to assess the safety of CYC140. Researchers will be closely monitoring participants for any side effects or adverse reactions[1]. These will be categorized according to their type, frequency, and severity.
It’s important to note that all medications can have side effects, and since CYC140 is still in the testing phase, not all potential side effects may be known. Patients in the trial will be closely monitored and should report any unusual symptoms to their healthcare team immediately.



