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CLR 1900 series
- Development stage
- Preclinical
- Lead developer
- Cellectar Biosciences
- Modality
- Nucleic Acid-Directed Small Molecules → Small Molecules, Metabolically Activated Prodrugs → Prodrugs/Conditional Activator Small Molecules → Small Molecules, Covalent Small Molecules → Small Molecules, Classical Binding Small Molecules → Small Molecules
- Administration
- Systemic (preclinical; Specific Route Not Yet Disclosed)
01
Overview
CLR 1900 series is a preclinical chemotherapeutic program developed by Cellectar Biosciences. It consists of proprietary phospholipid drug conjugates (PDCs) that leverage a novel class of small molecule cytotoxic compounds as payloads. These molecules are designed to inhibit mitosis (cell division), targeting validated pathways essential for the proliferation of cancer cells and inducing apoptosis. The PDC platform enables targeted delivery to tumor cells, potentially improving efficacy while reducing off-target toxicity by minimizing exposure to healthy tissues. The primary indication under investigation is solid tumors[1][5][7].
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