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Poly ICLC

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Immunologic Factors

Enrolled patients will receive two cycles of Poly-ICLC treatment. Each priming (intratumoral injections - IT) and boosting (intramuscular injections - IM) treatment course will constitute one cycle.

Cycle 1-Weeks 1 and 2: 1mg Poly-ICLC intratumoral (IT) injections (t=6) into same lesion over 2 weeks.

Weeks 3-9: 1mg Poly-ICLC 2x/week intramuscularly (IM) into thighs or upper arms.

Week 10: No treatment. CT scan of chest, abdomen, pelvis and extremities or neck; possible MRI brain scan.

Cycle 2-Weeks 11 and 12: 1mg Poly-ICLC IT injections (t=6) into same lesion over 2 weeks.

Weeks 13-19 - 1mg Poly-ICLC 2x/weekly IM in thighs or upper arms.

Weeks 20-26: no treatment. Week 26, evaluate response in absence of inflammation.

Maintenance - Weeks 27-36: For patients with stable disease or response; IM poly-ICLC injections; evaluation of clinical and immune response. Week 38 repeat tumor assessment, optional biopsy

Follow Up via phone every 3 months for 30months, after completion of treatments.

Poly-ICLC

Nina Bhardwaj, MD, PhD

The purpose of this study is to test the safety of a course of injections containing Poly-ICLC in patients with advanced solid tumors that can be easily and safely reached with a needle.

Poly-ICLC is a compound that has been used to help the body in its fight against cancer.

We hypothesize that this therapeutic in-situ autovaccination strategy is comprised of three immunomodulatory steps. The first is the innate immune local tumor killing induced by intratumoral Hiltonol (via NK, TNF, etc). A very close second step is optimal Th1-weighted priming through the in-situ combination of the poly-ICLC danger signal with the tumor antigens released in step 1 and further processed and cross-presented by poly-ICLC activated mDC, etc. The repeated administration of the Hiltonol danger signal IT in the context of the patient's own tumor antigens and in a way that mimics a natural viral infection may be critical to this step. Once the system is optimally primed, the third step is targeting and maintenance of the immune response and its facilitation at remote tumor sites with IM poly-ICLC through chemokine release, inflammasome activation and other costimulatory factors.

Treatment of Solid Tumors With Intratumoral Hiltonol® (Poly-ICLC)

Treatment of Solid Tumors With Intratumoral Hiltonol® (Poly-ICLC): A Phase II Clinical Study

Patients who are alive on the date of closing follow-up, or 30 months after completing all study treatments, will be censored on that date

Progression-free survival defined as the time in weeks from study entry until tumor progression defined using the Wolchok criteria or death. Patients who are alive and free from progression on the date of closing follow-up will be censored on that date.

In order to minimize the potential for misdiagnosis of pseudoprogression, related to early inflammation, tumor measurement for determination of progression will be made at the earliest at 26 weeks.

Induction of innate and/or an adaptive, specific anti-tumor T cell immune response in the injected tumor lesion and also systemically.

Oncovir, Inc.

Nina Bhardwaj

Director, Immunotherapy Program

Enrolled patients received two cycles of Poly-ICLC treatment. Each priming (intratumoral injections - IT) and boosting (intramuscular injections - IM) treatment course will constitute one cycle.

Poly-ICLC: Cycle 1-Weeks 1 and 2: 1mg Poly-ICLC intratumoral (IT) injections (t=6) into same lesion over 2 weeks.

Weeks 3-9: 1mg Poly-ICLC 2x/week intramuscularly (IM) into thighs or upper arms.

Week 10: No treatment. CT scan of chest, abdomen, pelvis and extremities or neck; possible MRI brain scan.

Cycle 2-Weeks 11 and 12: 1mg Poly-ICLC IT injections (t=6) into same lesion over 2 weeks.

Weeks 13-19 - 1mg Poly-ICLC 2x/weekly IM in thighs or upper arms. Weeks 20-26: no treatment. Week 26, evaluate response in absence of inflammation.

Maintenance - Weeks 27-36: For patients with stable disease or response; IM poly-ICLC injections; evaluation of clinical and immune response. Week 38 repeat tumor assessment, optional biopsy

Participants With Stage 4 Cancer

Age, Continuous

Sex: Female, Male

Dr. Nina Bhardwaj

Progression-free Survival

study terminated early, data not collected. study terminated before all study visits completed. this 24 month visit was not done.

Therapeutic Effect in Treated Patients

Overall Survival in Treated Patients

IT and IM Injections Poly-ICLC

Overall Study

Spots Global Cancer Trial Database for intramuscular injections