New drug targets Sugar-Coated proteins on cancer cells
NCT ID NCT05495295
First seen Sep 15, 2026 · Last updated Sep 16, 2026 · Updated 1 time
Summary
Researchers are testing an experimental oral drug called PhOx430 in people with advanced solid tumors, including glioblastoma and triple-negative breast cancer. The trial has two parts: first, they give increasing doses to small groups to find a safe dose and watch for side effects. Then they give the chosen dose to more patients to see how well it is tolerated. The drug aims to block an enzyme that cancer cells may use to grow and spread.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- an experimental oral drug called PhOx430
- What this could lead to
- If PhOx430 proves safe and shows signs of activity, it could become a new option for hard-to-treat cancers such as glioblastoma and triple-negative breast cancer.
- What could go wrong
- This is a first-in-human Phase 1 trial, so the main goal is safety, not cure. Many experimental cancer drugs fail to shrink tumors or cause side effects that limit their use.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
About 149 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Jul 2022
- Expected to finish
-
Jul 2027
An estimate. End dates often move.
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 80 years
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Histologically or cytologically confirmed diagnosis of cancer. 1. Dose escalation phase: patients with any solid tumour type or histology. 2. Expansion cohort 1: Patients affected by GBM. 3. Expansion cohort 2: Patients with triple-negative breast cancer (TNBC), defined as estrogen receptor (ER) negative (\< 1% of nuclei reacting for ER in IHC), progesterone receptor (PgR) negative (\< 1% of nuclei reacting for PgR in IHC), HER2 negative (IHC score = 0 or 1 or ICH score = 2 with FISH negative for HER2 overexpression. If only FISH was performed, negative result for HER2 overexpression). 4. Expansion cohort 3: Patients affected by solid tumour types selected by the PSC, on the basis of preclinical pharmacological data and of the antitumour activity observed during the dose escalation phase if any. 2. Radiologically documented progressive disease after at least one prior treatment for metastatic/advanced disease. 3. Lack of standard effective treatment options. 4. Female or male patients of ≥ 18 years and ≤ 80 years 5. Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1. For GBM patients: Karnofsky Performance Status ≥ 50%. 6. Recovery from acute reversible toxicities of previous treatment to Grade ≤ 1. 7. Tumour tissue accessible for repeated biopsies (except GBM patients). 8. For GBM patients: stable dose of corticosteroids for \> 5 days before the baseline MRI scan. 9. For non-GBM patients: Measurable disease as defined by Response Evaluation Criteria in Solid Tumours (RECIST) guideline V1.1 (specifically, no ascites, pleural or pericardial effusions, osteoblastic bone metastases, or carcinomatous lymphangitis of the lung as the only lesion). For GBM patients: Measurable disease as defined by RANO criteria. 10. Adequate bone marrow function defined as: 1. absolute neutrophil count ≥ 1.5 x 109/L (being \> 2 weeks off hematopoietic growth factors), 2. platelet count ≥ 100 x 109/L, 3. hemoglobin ≥ 9 g/dl without transfusions in the last 2 weeks. 11. Adequate hepatic function defined as: 1. total bilirubin \< 1.5 x the upper limit of normal (ULN), 2. ALT /AST (SGPT/SGOT) \< 3 x ULN (\< 5 x ULN in the presence of known hepatic metastases), 12. Adequate renal function defined as estimated glomerular filtration rate (eGFR) of \> 50 ml/min/1.73 m2 according to the CKD-EPI formula. 13. Adequate coagulation, defined as INR \< 1.5 and aPTT \< 1.5 × ULN. This applies only to patients who are not receiving therapeutic anticoagulation; patients receiving therapeutic anticoagulation should be on a stable dose. 14. Written informed consent obtained prior to any trial-specific screening procedures. 15. Life expectancy of at least 3 months 16. Women of childbearing potential must have a negative serum pregnancy test obtained within 28 days prior to treatment start; in addition, the negative result is to be confirmed by a repeat urine or serum pregnancy test within 72 hours before study treatment start if the screening test was performed earlier. 17. Female patients who are not postmenopausal ("postmenopausal" defined as ≥ 12 months of non-therapy-induced amenorrhea) or surgically sterile (absence of ovaries and/or uterus) must agree to practice a highly effective method of contraception throughout the study for at least 6 months after the last dose of study drug. Highly effective methods of contraception are those that alone or in combination result in a failure rate of a Pearl Index of \< 1% per year when used consistently and correctly. Sexual abstinence is only acceptable if it is in line with the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or postovulation methods) and withdrawal are not acceptable methods of contraception. 18. Male patients must agree to remain sexually abstinent or use a condom during the treatment period and for at least 90 days after the last dose of study drug. 19. Patients must be able to take IMP at home and to properly use the provided dosing device. Exclusion Criteria: 1. Major surgery, chemotherapy, radical radiotherapy, investigational agents, or other anticancer therapy in the last 4 weeks before treatment start. 2. For all patients with the exception of GBM patients: active central nervous system (CNS) metastases, as indicated by clinical symptoms, cerebral edema, and/or progressive growth (subjects with a history of CNS metastases or cord compression are allowable if they have been definitively treated and have been clinically stable for at least 3 months, and off steroids or anticonvulsants, before day 1 treatment). 3. For GBM patients: disease progression within three months following last prior radiation therapy. 4. Inability or unwillingness to swallow. 5. Impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of the IMP (e.g., ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, or malabsorption syndrome) 6. Any other cancer within 3 years prior to enrolment, with the exception of adequately treated carcinoma in situ of the cervix uteri, or adequately treated basal or squamous cell carcinoma of the skin. 7. Significant liver disease, including active viral, alcoholic or other hepatitis and cirrhosis. 8. History of HIV infection, active hepatitis B (chronic or acute), or hepatitis C infection. Patients with past or resolved hepatitis B infection (defined as having a negative HBsAg test and positivity for antibodies for hepatitis B core antigen \[anti-HBc\]) are eligible. Patients positive for hepatitis C virus (HCV) antibody are eligible only if PCR is negative for HCV RNA 9. Severe infections within 4 weeks prior to enrolment. 10. Patients with a history of central nervous system disorders or psychiatric disability judged by the investigator to be clinically significant and precluding informed consent or adversely affecting compliance with study drug. 11. Baseline left ventricular ejection fraction (LVEF) \< 50% by echocardiography or multi-gated scintigraphic scan (MUGA) 12. Other current severe, uncontrolled systemic disease 13. Treatment with CYP3A4/5 inhibitors within 5 drug elimination half-lives before study treatment start and/or inability or unwillingness to avoid such medications during study treatment 14. Known hypersensitivity to any study drug components 15. Pregnant or lactating women 16. Patients deprived from liberty (for patients enrolled in France only) 17. Patients who are not affiliated to a social security scheme or are not beneficiaries of such a scheme (for patients enrolled in France only) 18. Adults under legal protection or unable to give their informed consent (for patients enrolled in France only)
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Advanced solid tumor are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Azienda Unità Sanitaria Locale - IRCCS di Reggio Emilia
Reggio Emilia, 42123, Italy
-
Fondazione IRCCS Istituto Nazionale dei Tumori
Milan, 20133, Italy
-
IRCCS Ospedale San Raffaele
Milan, 20132, Italy
-
Institut du Cancer de Montpellier
Montpellier, France, 34298, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a smaller dose of a white blood cell booster protect cancer patients just as well?
- Gut bacteria may hold clues to why some cancer treatments work better
- First-in-Human trial asks whether HG381 is safe and tolerable in advanced solid tumors
- Custom-Built immune cells take aim at a notorious cancer mutation
- Experimental injection SHR-7787 put to the test against advanced solid tumors
- Experimental biologic AWT020 put to the test in Hard-to-Treat cancers