Phase 1 Ovarian Cancer Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You have been diagnosed (confirmed by tissue testing) with an advanced form of high-grade ovarian, fallopian tube, or primary peritoneal cancer (specifically serous or endometrioid type), based on either a previous or new biopsy.
- Your cancer has stopped responding to platinum-based chemotherapy — either it came back or grew within 6 months of finishing treatment, or it continued to grow within the first 3 months of starting platinum treatment.
- Your doctors expect you to live for more than 6 months.
- You are generally well enough to carry out light activity and care for yourself (this is measured on a standard medical scale called ECOG, at level 0 or 1).
- Your cancer can be measured on scans using a standard method called RECIST v1.1.
- You have not had a bowel blockage in the past 3 months, and you have no current signs or symptoms of one.
Who may not be able to join:
- You have received any cancer treatment or experimental drug within the past 28 days (or within 5 half-lives of the drug), before starting this trial.
- You have previously been treated with a type of virus-based therapy called a group B adenovirus.
- You have had radiotherapy within the 4 weeks before starting the trial.
- You have cancer that has spread to the brain or nervous system, or you show signs of this; if you previously had brain metastases, there must be no sign of them worsening or bleeding after treatment.
- You have uncontrolled fluid build-up around the lungs or heart that needs draining at least once a month.
- You have previously had inflammation of the lungs (pneumonitis) or a chronic lung scarring condition (interstitial lung disease).
- You have a specific heart rhythm abnormality shown on a heart tracing (ECG), or a personal history of certain inherited or acquired heart rhythm conditions (confirm with trial site).
- You are currently taking medications known to affect heart rhythm in a way that could be dangerous (confirm with trial site).
- You currently have an active hepatitis C infection, or an active hepatitis B infection (people with past or resolved hepatitis B may still be eligible).
- You currently have an active tuberculosis (TB) infection.
- You currently have an active COVID-19 infection.
- You have an active HIV infection or a known history of HIV.
- You have had a serious infection requiring intravenous (IV) antibiotics within the past 2 weeks, or you are on long-term antibiotic tablets for an ongoing infection.
- You are known to be allergic or sensitive to any ingredients in the trial drug, THEO-260.
- You have an active autoimmune disease (where your immune system attacks your own body) that has needed treatment in the past 2 years.
- You have been diagnosed with moderate to severe heart failure (NYHA Class 2–4).
- You are known to be allergic or sensitive to paracetamol (acetaminophen).
- You regularly drink more than 2 units of alcohol per day.
- You have a weakened heart pump (below 45% efficiency), unstable chest pain, a serious uncontrolled heart rhythm problem, a heart attack within the past 6 months, or a history of heart muscle inflammation (myocarditis).
- Your blood oxygen level is below 92% while breathing normal room air before starting the trial.
- You have received any vaccine (approved or experimental) within the 30 days before the trial start date.
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Clinical Trials, Theolytics Ltd
Phone: +441865607020
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Safety and tolerability of THEO-260; Establish recommended Phase 2 dose (RP2D) for THEO-260
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.