A Phase 1 interventional study of Polysiloxane Gd-Chelates based nanoparticles (AGuIX) and External beam radiotherapy (EBRT) in Gynecologic Cancer, sponsored by Gustave Roussy, Cancer Campus, Grand Paris. Status unknown at 2 sites in France. Open to female participants aged 18 Years to 70 Years. Per ClinicalTrials.gov, last updated 2021-07-07.
Sponsored by Gustave Roussy, Cancer Campus, Grand Paris · Phase 1, Interventional, and Treatment
This is a phase 1 clinical trial evaluating the safety, tolerability of escalating doses of AGuIX-NP in combination with radiation and cisplatin in patients with locally advanced cervical cancer. Dose escalation will be conducted using the modified toxicity probability interval (mTPI) method.
Three dose levels of intravenous AGuIX nanoparticles will be explored: 20mg/kg (level -1), 30 mg/kg (level 1) and 50 mg/kg (level 2).
Exclusion Criteria:
Drug: Polysiloxane Gd-Chelates based nanoparticles (AGuIX) · Radiation: External beam radiotherapy (EBRT) · Radiation: Uterovaginal brachytherapy · Drug: Chemotherapy (cisplatin)
Three intravenous injections of AGuIX will be delivered. The first injection of AGuIX will be delivered intravenously the 1st day and the 11th day of EBRT. The first injection will be preceded with an MRI (unenhanced T1 and T2 sequences) then followed with another MRI performed 4 hours later, to monitor tumor uptake. Irradiation will be performed after the second MRI. The second injection will be followed by an MRI 4 hours later. The third injection will be delivered intravenously the day of the brachytherapy procedure. Intravenous hydration will be performed during all brachytherapy courses to ensure AGuIX clearance. Up to three dose levels may be explored: 20mg/kg (level -1), 30 mg/kg (level 1) and 50 mg/kg (level 2). The starting dose level will be 30mg/kg.
to the pelvis, with intensity modulated technique: 45 Gy in 5 weeks, with integrated boost to 55 - 57.5 Gy in case of macroscopic lymph node metastases
15 Gy (maximal interval between EBRT and brachytherapy: 14 days).
Concomitant weekly intravenous cisplatin 40 mg/m2 will be delivered (total 5 cycles).
Maximum Tolerated Dose (MTD)
Time frame: Day 84 after inclusion
Recommended Phase 2 Dose (RP2D)
Time frame: Day 84 after inclusion
Plan to share: Undecided
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Gustave Roussy, Cancer Campus, Grand Paris