TLD-1, a Novel Liposomal Doxorubicin, in Patients With Advanced Solid Tumors

  • STATUS
    Recruiting
  • End date
    Oct 31, 2023
  • participants needed
    30
  • sponsor
    Swiss Group for Clinical Cancer Research
Updated on 14 February 2022

Summary

TLD-1 is a novel liposomal formulation of doxorubicin (PEG surface) that compared favorably to conventional liposomal formulations of doxorubicin including Caelyx® in preclinical in vivo models. Particle features including size, charge distribution, lipid composition and drug release add up to a considerably altered particle behavior compared to Caelyx®, potentially explaining the lack of hand-foot-syndrome in respective animal models. Preclinical evaluation confirmed TLD-1 to be a promising new and innovative formulation of doxorubicin with promising activity and good tolerability.

Description

Despite impressive progress in the fields of surgical and immunological cancer therapies, most late-stage cancer treatments still heavily depend on conventional chemotherapeutics, which are often effective but also toxic, resulting in severe adverse effects limiting the dose and duration of therapy. Consequently, there remains a high unmet medical need for new innovative systemic treatments with an improved risk-benefit-profile.

Doxorubicin is a potent anthracycline used as a systemic treatment against several solid tumor including breast, ovarian and bladder cancer, small cell lung cancer and various types of sarcoma. However, Doxorubicin use is often limited due to hematological and non-hematological toxicity including cumulative cardiotoxicity with myocardial damage.

Cardiotoxicity has been substantially mitigated through the introduction of liposomal formulations such as Myocet and Caelyx/Doxil. Both products are associated with substantially lower rates of cardiac dysfunction during or post-treatment. Whereas Myocet's clinical use remains limited due to the intricate "bedside" reconstitution process, Caelyx has been associated with a high incidence of Palmar-Plantar Erythrodysesthesia (PPE) (also called hand-foot-syndrome), likely due to its long plasma half-life.

The development of TLD-1 (Talidox) aimed at combining the cardio-preserving properties of the liposomal delivery system with shorter blood circulation time in order to reduce the risk of PPE. Even though the pathophysiology of PPE is not yet fully understood, studies analyzing the correlation of dose and pharmacokinetic parameters with PLD toxic effects revealed that the severity of PPE correlated significantly with plasma half-life (t1/2).

Given its performance in preclinical trials, TLD-1 bears the potential for an improved benefit/risk profile compared to established liposomal doxorubicin formulations including Caelyx.

This first-in-human phase-I trial will evaluate the safety and will establish the maximal tolerated dose (MTD) and recommended phase II dose of TLD-1, and characterize specific dose limiting toxicities (DLT) of TLD-1. Moreover, the trial shall yield information on adverse events profile, pharmacokinetics and preliminary efficacy.

Details
Condition Advanced Solid Tumors
Treatment TLD-1, Caelyx, Caelyx
Clinical Study IdentifierNCT03387917
SponsorSwiss Group for Clinical Cancer Research
Last Modified on14 February 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Final protocol until amendment 2: Patients with either histologically or cytologically confirmed advanced or recurrent solid tumor who failed standard therapy or for whom no effective standard therapy is available
From Amendment 3 on: Patients with histologically or cytologically confirmed advanced malignant tumors of the breast, ovary, uterine or sarcoma who failed standard therapy or for whom no effective standard therapy is available
Patients may have received up to 3 prior lines of palliative systemic chemotherapy
Patients with brain metastases must have undergone definitive treatment (surgery and/or radiation) at least 1 month prior to starting study drug and be documented as having stable disease by imaging and are on stable doses of steroids for at least 2 weeks
Adequate bone marrow, renal and hepatic function
Key inclusion criteria for comparative PK part
Patients with either histologically or cytologically confirmed advanced or recurrent breast or ovarian cancer of all histologies
Histologically-confirmed ovarian, fallopian tube or primary peritoneal cancer (collectively referred to herein as 'ovarian cancer') that is either platinum-resistant (disease progression within 6 months of the last receipt of platinum-based chemotherapy) or refractory (lack of response or disease progression while receiving the most recent platinum-based therapy)
Patients with ovarian cancer may have received up to 3 lines of prior cytotoxic chemotherapy, but maximum 1 of them in the platinumresistant/ refractory setting. Confirmed high-grade serous, endometrioid, or carcinosarcoma histotypes are permitted
Patients with advanced or recurrent breast cancer may have received up to 2 prior lines of palliative cytotoxic chemotherapy
Patients with brain metastases must have undergone definitive treatment (surgery
Adequate bone marrow, renal and hepatic function
and/or radiation) at least 1 month prior to starting study drug and be
documented as having stable disease by imaging and be on stable doses of
steroids for at least 2 weeks

Exclusion Criteria

Significant cardiac disease or abnormality
Patients who have received prior anthracyclines at a cumulative dose that exceeds 250mg/m2 for non-liposomal doxorubicin, 300mg/m2 for liposomal doxorubicin or 400mg/m2 for epirubicin and/or are refractory (during 3 months) to anthracyclines or have experienced allergic reactions or severe toxicity (grade 3 or 4) under anthracyclines
Prior systemic chemotherapy/treatment for adjuvant/metastatic disease, radiotherapy, immunotherapy, or investigational agents within 28 days 5 half- life periods of previous therapy before registration
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