BL-M24D1 treatment for advanced gastrointestinal and other solid tumors

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This open-label, non-randomized Phase I trial gives BL-M24D1 by injection to adults with locally advanced or metastatic gastrointestinal tumors and other solid tumors. It includes a Phase Ia dose-escalation to determine safe dosing and pharmacokinetics, followed by a Phase Ib cohort expansion to look for preliminary signs of efficacy and further safety data. Key entry requirements include measurable disease by RECIST v1.1, ECOG performance status 0–1, adequate organ and coagulation function, and provision of tumor tissue. Primary goals are safety and tolerability, with secondary assessment of drug levels and early anti-tumor activity.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Voluntarily sign the informed consent form and comply with the protocol requirements;
2. No gender restrictions;
3. Age: ≥18 years and ≤75 years (Phase Ia); ≥18 years (Phase Ib);
4. Expected survival time ≥3 months;
5. Locally advanced or metastatic digestive tract tumors and other solid tumors;
6. Agree to provide archived tumor tissue specimens or fresh tissue samples from primary or metastatic lesions within the past 3 years;
7. Must have at least one measurable lesion meeting the RECIST v1.1 criteria;
8. ECOG performance status score of 0 or 1;
9. Toxicities from prior antitumor treatments have recovered to ≤ Grade 1 as defined by NCI-CTCAE v5.0;
10. No severe cardiac dysfunction, left ventricular ejection fraction ≥50%;
11. Organ function levels must meet the requirements;
12. Coagulation function: International Normalized Ratio (INR) ≤1.5, and activated partial thromboplastin time (APTT) ≤1.5 × ULN;
13. Urine protein ≤2+ or ≤1000mg/24h;
14. For premenopausal women with childbearing potential, a pregnancy test must be conducted within 7 days before starting treatment, serum pregnancy must be negative, and they must not be breastfeeding; all enrolled patients (regardless of gender) should adopt adequate barrier contraception throughout the treatment cycle and for 6 months after treatment ends.

Exclusion Criteria:

1. Use of chemotherapy, biological therapy, or immunotherapy within 4 weeks prior to the first dose or within 5 half-lives;
2. History of severe heart disease;
3. QT interval prolongation, complete left bundle branch block, or third-degree atrioventricular block;
4. Active autoimmune or inflammatory diseases;
5. Diagnosis of other malignancies within 5 years prior to the first dose;
6. Hypertension poorly controlled by two antihypertensive medications;
7. Patients with poorly controlled blood glucose;
8. Unstable thrombotic events requiring therapeutic intervention within 6 months prior to the first dose;
9. Lung diseases graded ≥3 according to CTCAE v5.0;
10. Symptoms of active central nervous system metastases;
11. History of allergy to recombinant humanized antibodies or human-mouse chimeric antibodies, or allergy to any excipient component of BL-M24D1;
12. Previous organ transplantation or allogeneic hematopoietic stem cell transplantation (Allo-HSCT);
13. Cumulative dose of anthracyclines \>360 mg/m² in previous (neo)adjuvant anthracycline therapy;
14. Human immunodeficiency virus antibody positivity, active tuberculosis, active hepatitis B virus infection, or active hepatitis C virus infection;
15. History of interstitial lung disease (ILD) requiring steroid treatment, or current ILD;
16. Active infection requiring systemic treatment within 4 weeks prior to the first investigational drug dose;
17. Pleural, abdominal, pelvic, or pericardial effusion requiring drainage and/or accompanied by symptoms within 4 weeks prior to the first investigational drug dose;
18. Subjects with clinically significant bleeding or obvious bleeding tendency within 4 weeks prior to the first investigational drug dose;
19. Participation in another clinical trial within 4 weeks prior to the first dose;
20. Pregnant or lactating women;
21. Other conditions deemed by the investigator as unsuitable for participation in this clinical trial.

Where it's running

• Beijing Cancer Hospital
  Beijing, Beijing Municipality, China Recruiting

Study contacts

• Study coordinator: Sa Xiao, PHD
• Email: xiaosa@baili-pharm.com
• Phone: 15013238943

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.