Testing KK2260 in patients with advanced or metastatic solid tumors
Official title: A Phase 1, Uncontrolled, Open-label, Non-randomized, Dose-escalation Study of KK2260 in Patients With Advanced or Metastatic Solid Tumors, Followed by an Uncontrolled, Non-randomized Study and an Uncontrolled, Randomized Study in Patients With Esophageal Squamous Cell Carcinoma or Head and Neck Squamous Cell Carcinoma
Run by Kyowa Kirin Co., Ltd. · NCT06248411 · Data updated 2026-11-12
This study is testing a new drug called KK2260 to see if it is safe and effective for people with advanced or metastatic solid tumors.
Quick facts
| Phase | Phase 1 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 189 (estimated) |
| Sponsor | Kyowa Kirin Co., Ltd. Industry-sponsored |
| Locations | 14 sites (Nagoya, Aichi-ken and 13 other locations) |
| Status | Recruiting |
| Started | November 1, 2023 |
| Main results expected | October 31, 2029 |
| Study ends | April 30, 2030 |
| Registry record updated | May 27, 2026 |
| Trial ID | NCT06248411 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include adults aged 18 and older with advanced or metastatic solid tumors who are refractory to or intolerant of standard treatments.
✕Probably not a fit
Patients with early-stage tumors or those who have not exhausted standard treatment options may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical study evaluates the safety and tolerability of KK2260 in patients with advanced or metastatic solid tumors. The study is divided into two parts: Part 1a focuses on determining the maximum tolerated dose (MTD) of KK2260, while Parts 1b and 2 will assess various dosing regimens and their efficacy based on cancer type. Patients will be monitored for safety and treatment response throughout the study.
Why it matters
Potential benefit: If successful, this study could provide a new treatment option for patients with advanced or metastatic solid tumors who have limited alternatives.
How similar studies have gone: Other studies involving novel treatments for advanced solid tumors have shown promise, but the specific approach with KK2260 is novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: \<Common Inclusion Criteria for Part 1a, Part 1b, and Part 2 1. Patients who have given informed written consent. 2. Male or female subjects ≥18 years of age, at time of signing informed consent. 3. Subjects who are refractory to standard treatment, intolerant of standard treatment, for whom standard treatment does not exist, or who have refused standard treatment. 4. Patients with measurable disease according to RECIST version 1.1 5. Patients who have had the certaion periods between the date of completion of prior therapy and the date of enrollment 6. Subjects who agree to have a tumor biopsy as part of the baseline examination. Patients who have difficulty in performing a tumour biopsy and have agreed to submit a previously collected stored specimen. 7. Patients with an ECOG PS of 0 or 1 at baseline. 8. Patients with haematopoietic, hepatic, renal, cardiac and respiratory functions that meet certain criteria in a baseline test. \<Additional Inclusion Criteria for Part 1a 1\) Patients with pathologically diagnosed advanced or metastatic solid tumors. \<Additional Inclusion Criteria for Part 1b 1. Patients with pathologically diagnosed with advanced or metastatic esophageal cancer, or advanced or metastatic head and neck cancer whose primary site of origin is the oral cavity, oropharynx, hypopharynx, larynx, nasal cavity, or paranasal sinuses. 2. Patients with pathologically diagnosed squamous cell carcinoma. 3. Patients who agree to undergo tumor biopsy after administration. \<Additional Inclusion Criteria for Part 2a 1. Patients with pathologically diagnosed with advanced or metastatic esophageal cancer. 2. Patients with pathologically diagnosed squamous cell carcinoma. 3. Patients who agree to undergo tumor biopsy after administration. \<Additional Inclusion Criteria for Part 2b 1. Patients with advanced or metastatic head and neck cancer whose primary site of origin is the oral cavity, oropharynx, hypopharynx, larynx, nasal cavity, or paranasal sinuses. 2. Patients with pathologically diagnosed squamous cell carcinoma. 3. Patients who agree to undergo tumor biopsy after administration. Exclusion Criteria: \<Common Exclusion Criteria to Part 1 and Part 2\> 1. Patients with central or brain pia mater metastases that are untreated and symptomatic or that require treatment. 2. Patients with concurrent multiple or synchronous cancers, or with iatrogenic multiple or synchronous cancers with a disease-free interval of 5 years or less. 3. Patients receiving continuous systemic administration of steroids or other immunosuppressive drugs. 4. Patients who have had a Grade 3 or higher allergic reaction to an antibody agent or an additive of the study drug. 5. Patients who have not recovered to Grade 1 or below from adverse events caused by previously administered anticancer therapy. 6. Patients with active interstitial lung disease or a history of active interstitial lung disease. 7. Patients with infectious diseases requiring systemic treatment. 8. Patients with a fever of 38.0°C or higher at the time of registration. 9. Patients who test positive for Hepatitis B virus antigen or antibody, Hepatitis C virus antibody, or HIV antibody in a baseline test.
Where it's running
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Aichi Cancer Center Hospital
Nagoya, Aichi-ken, Japan Recruiting -
National Cancer Center Hospital East
Kashiwa, Chiba, Japan Recruiting -
Shikoku Cancer Center
Matsuyama, Ehime, Japan Recruiting -
Hiroshima University Hospital
Hiroshima, Hiroshima, Japan Recruiting -
Kobe University Hospital
Kobe, Hyōgo, Japan Recruiting -
Kanagawa Cancer Center
Yokohama, Kanagawa, Japan Recruiting
Show 8 more locations
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Kumamoto University Hospital
Kumamoto, Kumamoto, Japan Recruiting -
Tohoku University Hospital
Sendai, Miyagi, Japan Recruiting -
Saitama Cancer Center
Shinden, Saitama, Japan Recruiting -
Shizuoka Cancer Center
Nagaizumi-cho, Shizuoka, Japan Recruiting -
National Cancer Center Hospital
Chuo-ku, Tokyo, Japan Recruiting -
The Cancer Institute Hospital of JFCR
Koto-ku, Tokyo, Japan Recruiting -
Kyushu Cancer Center
Fukuoka, Japan Recruiting -
Osaka International Cancer Institute
Osaka, Japan Recruiting
Study contacts
- Study coordinator: Kyowa Kirin Co., Ltd.
- Email: clinical.info.jp@kyowakirin.com
- Phone: +81-3-5205-7200
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.