New combo immunotherapy drug enters human trials for 18 cancers
NCT ID NCT05858736
First seen Jun 25, 2026 · Last updated Sep 15, 2026 · Updated 3 times
Summary
This early-phase trial tests a new drug called AI-061, which combines two immune-boosting antibodies (anti-PD-1 and anti-CTLA-4) into one treatment. The study will enroll 18 adults with advanced solid tumors that have spread or cannot be removed. The main goals are to find a safe dose and check for side effects, not yet to prove the drug works against cancer.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- AI-061 (a combination of two immunotherapy antibodies: anti-PD-1 and anti-CTLA-4)
- What this could lead to
- If this trial succeeds, it could point toward a new treatment option for several advanced solid tumors by boosting the immune system to fight cancer.
- What could go wrong
- This is a very early, small Phase 1 study with only 18 participants, focused on safety and dosing. It is not designed to prove the drug works, and side effects from immune activation can be serious.
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
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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18 people
The number who actually took part.
- Started
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Jul 2023
- Finished
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Jul 2026
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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. Patient is greater or 18 years of age on the day of signing the informed consent. 2. All genders. Female subject with pregnancy potential must have a negative pregnancy test. 3. Patient must have a performance status of less than or equal to 1 on the ECOG Performance Scale. 4. Patients must have a histological or cytological diagnosis of solid tumors and have progressive locally advanced or metastatic disease. 5. Measurable disease as determined by RECIST v1.1 (either tumor lesion or lymph node lesion or both): Tumor mass: Must be accurately measurable in at least 1 dimension (longest diameter to be recorded) with a minimum size of: 10 mm by computed tomography (CT) scan (CT scan slide thickness must be less than 5 mm). Or: 20 mm by chest X-ray (if clearly defined and surrounded by aerated lung). Malignant lymph nodes: greater than or equal to 15 mm in short axis when assessed by CT scan (CT scan slice thickness must be \<5 mm). The measurement should be two dimensions at axial plane. The short axis should be in perpendicular to long diameter. 6. Patient must have adequate organ function as indicated by the laboratory values. LDH less than or equal to ULN. 7. Voluntary agreement to participate as evidenced by written informed consent. 8. Female patient: agreement on contraceptive methods. 9. Male patient: agreement on contraceptive methods. 10. Life expectancy greater than or equal to 12 weeks. Exclusion Criteria: Patients who have not recovered to NCI CTCAE v5.0 less than or equal toGrade 1 from an adverse event (AE) due to cancer therapeutics except endocrinopathy or the chemotherapy-associated peripheral neuropathy (motor or sensory) that has recovered to CTCAE v5.0 less than or equal to Grade 2 will be allowed. The washout period for cancer therapeutic drugs should be 21 days prior to the first AI-061 dose for chemotherapy, radiation, or targeted therapy or 28 days prior to the first AI-061 administration for monoclonal antibody therapy. Best supportive care, such as thyroxine, insulin, steroid replacement treatment, blood transfusion, and therapy for non-cancer conditions are allowed. 2\. Patients who are currently enrolled in any other clinical trial testing an investigational agent or device, or with concurrent other systemic cancer therapeutics. 3\. Patients who are on chronic systemic steroid therapy at doses higher than 10 mg/day prednisone or equivalent within 7 days before the first treatment. 4\. Patients who have active brain metastases or leptomeningeal metastases. 5. Patients who have an active infection requiring systemic IV antibiotics within 14 days prior to administration of AI-061. Regular treatment of urinary tract infection (UTI) and/or topical treatment are allowed. 6\. Patients who, in the opinion of the treating Investigator, have a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the patient's participation for the full duration of the study or make study participation not in the best interest of the patient. The investigator should discuss this with the Sponsor. 7\. Patients with known psychiatric or substance abuse disorders that in the opinion of the investigator, would interfere with cooperation with the requirements of the trial. 8\. Patients who are pregnant or breastfeeding. 9\. Patients with active autoimmune diseases that require immunosuppressant treatment other than 10 mg per day or lower prednisone. Patients with inflammatory bowel disease or myasthenia gravis will be excluded.
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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
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Cancer Research SA
Adelaide, South Australia, 5000, Australia
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Mater Misericordiae Ltd.
Brisbane, Queensland, 4006, Australia
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Southern Oncology Clinical Research Unit
Bedford Park, South Australia, 5042, Australia
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St. Vincent's Private Hospital
Darlinghurst, New South Wales, 2010, Australia
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Tasman Oncology Research
Southport, Queensland, 4120, Australia
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