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Clinical Outcomes and Effectiveness of CRLX101 for Solid Tumors: A Systematic Review and Meta-analysis


Nahal Shamaeizadeh, Erfan Sadeghi and Jaleh Varshosaz*   Pages 1 - 11 ( 11 )


Background: While it has been demonstrated that delivery of cytotoxic chemotherapy using nanoparticles greatly improves patient drug tolerance and reduces toxicity when compared to the standard formulation, the crucial question of whether they also increase anticancer efficacy remains. The CRLX101 is a nanoparticle composed of cyclodextrin and 20(S)-camptothecin cytotoxic chemotherapy.

Objective: In order to compare the efficacy of the CRLX101 to its corresponding traditional formulation, we carried out this systematic literature search for randomized clinical and non-randomized trials.

Methods: Multiple electronic databases, including PubMed, Scopus, Embase, Web of Science, the Cochrane Library, and, were used to conduct a thorough literature search. By employing a technique akin to a random-effects model, the median of the study-specific was taken into account as the pooled median estimate with a 95% confidence interval.

Results: Finally, nine clinical studies were chosen for the meta-analysis. The treatment and control groups' overall survival were examined in five and three trials, respectively. Additionally, six out of nine trials and two out of nine trials, respectively, examined the treatment and control groups for progression-free survival (PFS). Meta-analysis revealed that the treatment group had a lower median overall survival (OS) but a greater median progression-free survival than the control group.

Conclusion: Our meta-analysis shows that CRLX101 outperforms camptothecin in PFS despite its inferior OS. Unresolved pharmacology limits carrier-mediated drug therapeutic application. Carrier-mediated dosages may differ from normal formulations because they are rarely studied.


CRLX101,NLG207,IT-101,EP0057,Cancer,Neoplasm,Solid tumor


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