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A First-in-Human Study of SON-DP in Participants With Relapsed/Refractory Intolerant to Standard of Care Therapies for Advanced/Metastatic Solid Tumors

Q

Qurgen

Status and phase

Enrolling
Phase 1

Conditions

Solid Tumor
Breast Cancer
Ovarian Cancer
Colorectal Cancer
Pancreatic Cancer

Treatments

Drug: SON-DP

Study type

Interventional

Funder types

Industry

Identifiers

NCT05989724
SON-DP-A001-ST

Details and patient eligibility

About

This proposed Phase I clinical trial of SON-DP is an FIH, open-label, Phase Ia/Ib dose escalation and expansion study to evaluate the safety, tolerability, PK, and PD of SON-DP in participants with relapsed/refractory/intolerant to standard of care therapies, for advanced/ metastatic solid tumors.

Full description

In an effort to overcome the major challenges of the conventional cancer cell-killing therapy for high side effect, drug resistance, cancer recurrence and tumor heterogenicity, Qurgen Inc. is developing a novel transcription factor (TF) protein anticancer drug, named SON-DP, to treat the Participants with relapsed and advanced metastatic solid tumors. Proposed as an effective therapeutic drug product for a cell-converting cancer therapy, SON-DP is expected to transform cancer cells in situ into normal tissue cells via a SON-DP induced cancer cell reprogramming and re-differentiation process as an innovative rationale. SON-DP is developed based on the rationale of cancer cell conversion into normal tissue cells as the primary mechanism of actions of a new cancer therapy, not by cancer cell-killing, the traditional goals of chemotherapy, radiation therapy, targeted therapy and immune therapy. Cancer cell conversion is achieved by the SON-DP induced pluripotent re-programming in situ inside tumor tissue into transient iPSCs (tiPSCs) that quickly re-differentiate into normal tissue cells induced by the differentiating resident tissue environment. The in situ generated tiPSCs either secrete exosomes, providing the embryonic stem cells (ESC)-like microenvironments to transform the surrounding cancer cells into normal tissue cells for an overall malignant phenotype reversion (OMPR) (an effect named as a bystander effect), or display a targeting effect that enables the in situ generated tiPSCs to track down the distant metastatic cancer cells for OMPR (an effect named as a tropism effect). The SON-DP-induced cell reprogramming also restored the mutation-caused and compromised p53 checkpoint in cancer cells to re-establish cell quality control system that ensures the downstream re-differentiation of the in situ generated tiPSCs into normal tissue cells. Overall, this SON-DP-induced re-programming and re-differentiation process is capable of transforming both primary and metastatic cancer cells into normal tissue cells. Preclinical studies demonstrated that treatment of tumors with SON-DP resulted in eradication of late-stage cancers and long term (over 3 years) survival without teratoma formation and cancer recurrence in multiple tumor-bearing mouse/rat (syngeneic) or human xenograft rodent models, providing high treatment efficacy of this cell-converting cancer therapy. Thus, the cell-converting cancer therapy rationale represents a new cancer therapeutic strategy. SON-DP was tolerated in tumor-bearing rodents, as well as in naïve rats, dogs, and monkeys as demonstrated by GLP-enabled (rats and dogs) and non-GLP (monkey) toxicity study and after repeated IV administrations at higher doses compared with the planned clinical dose range. Therefore, the current nonclinical studies, including pharmacodynamics (PD), pharmacokinetics (PK) and toxicology studies, support the safety and efficacy of SON-DP TF protein drug product to be used in clinical studies of human participants. This first-in-human (FIH) clinical study will be conducted in selected types of relapsed/refractory advanced/metastatic solid tumors as a step in demonstrating the utility of this anticancer agent. In this SON-DP-A001-ST clinical trial, SON-DP is given to the participants with late stage solid tumors through 90-minutes IV infusion either once a week or twice a week at first 4 dose levels during the first Phase I dose escalation stage with the purpose to identify the final schedule (either once a week or twice a week) for the last 3 higher dose levels and the recommended phase II dose (RP2D) for the second Phase Ib does expansion stage that will focus on 4 cancer types including breast cancer, pancreatic cancer, ovarian cancer and colorectal cancer. During Phase Ia dose escalation stage, an accelerated 3+3 design will be followed. A Safety Monitoring Committee (SMC) will be formed to evaluate all the safety, efficacy, pharmacokinetic and pharmacodynamic data of each dose level cohort to decide if the SON-DP dose level should be either escalated to the next dose level or de-escalated to one level below or determination of maximum tolerated dose (MTD) or RP2D confirmation or others. Phase Ia will enroll the participants with various types of solid tumors that metastasized and not response to standard treatment. During Phase Ib dose expansion stage, SON-DP will be used, at RP2D dose level, to treat the participants with 4 specific cancer types including breast cancer, pancreatic cancer, ovary cancer or colorectal cancer. Four groups of cancer cohorts will be opened with eligible participants who have relapsed/refractory/intolerant to standard of care therapies of these four advanced/metastatic solid tumors. Participants will be followed for safety, confirmation of the RP2D, PK, PD, and anti-tumor activity as measured by standard assessment tools.

Enrollment

150 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Signed written informed consent;
  2. Male or female participants aged ≥ 18 years;
  3. For Phase Ia: Participants with histologic diagnosis and confirmed solid tumor; For Phase Ib: Participants with one of the four tumor types: breast cancer, pancreatic cancer, ovarian cancer or colorectal cancer;
  4. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 at study entry and an estimated life expectancy of at least 3 months;
  5. Agree to the placement of drug infusion venous access;
  6. For high dose group, agree for two biopsies, one at screening and one at 1st week of cycle 3;
  7. Adequate hematological function;
  8. Adequate hepatic/renal function;
  9. Acceptable coagulation function;
  10. Recovered from prior treatment Adverse Effect;
  11. Effective contraception for female participant with child bearing potential participants and sexually active male participants.

Exclusion criteria

  1. Participation in investigational study within 2 weeks or 5 half-lives, whichever is shorter of the first dose of study treatment.
  2. Impaired cardiac function or clinically significant cardiac disease.
  3. History of stroke or clinically significant intracranial hemorrhage within 6 months before first dose of study drug.
  4. Malignant disease, other than that being treated in this study.
  5. Anticancer therapy within 5 half-lives or 2 weeks (whichever is shorter) prior to study entry.
  6. Active infection requiring intravenous systemic antibiotic or antiviral therapy within 14 days prior to the first dose of study drug.
  7. Major surgery within 4 weeks of the first dose of study treatment.
  8. Any medical condition that would, in the Investigator's judgment, prevent the participant's participation in the clinical study due to safety concerns, compliance with clinical study procedures, or interpretation of study results.
  9. Active pneumonitis, the suspected pneumonitis that cannot be ruled out based on the imaging at Screening or based on the Investigator's judgement and a history of the (non-infectious) pneumonitis that required steroids within the past 12 months

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

150 participants in 15 patient groups

Dose escalation, Cohort 1
Experimental group
Description:
Drug: SON-DP 1 participant or 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 1 at dose level 1 once per week in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 2
Experimental group
Description:
Drug: SON-DP 1 participant or 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 2 at dose level 2 once per week in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 3
Experimental group
Description:
Drug: SON-DP 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 3 at dose level 3 once per week in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 4
Experimental group
Description:
Drug: SON-DP 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 4 at dose level 4 once per week in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 5
Experimental group
Description:
Drug: SON-DP 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 5 at dose level 3 twice per week in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 6
Experimental group
Description:
Drug: SON-DP 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 6 at dose level 4 twice per week in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 7
Experimental group
Description:
Drug: SON-DP 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 7 at dose level 5 either once per week or twice per week (FINAL SCHEDULE) in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 8
Experimental group
Description:
Drug: SON-DP 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 8 at dose level 6 either once per week or twice per week (FINAL SCHEDULE) in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 9
Experimental group
Description:
Drug: SON-DP 3 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion in the cohort 9 at dose level 7 either once per week or twice per week (FINAL SCHEDULE) in 28-day cycle, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 10
Experimental group
Description:
Drug: SON-DP Up to 12 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion at the RP2D-1 dose level using either once per week or twice per week (FINAL SCHEDULE), for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose escalation, Cohort 11
Experimental group
Description:
Drug: SON-DP Up to 12 participants with solid tumor will be treated with SON-DP by 90-minute IV infusion at the RP2D dose level using either once per week or twice per week (FINAL SCHEDULE), for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose expansion, Arm 1
Experimental group
Description:
Drug: SON-DP Up to 18 participants with breast cancer will be treated with SON-DP by 90-minute IV infusion at the RP2D dose level using the Final Schedule, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose expansion, Arm 2
Experimental group
Description:
Drug: SON-DP Up to 18 participants with pancreatic cancer will be treated with SON-DP by 90-minute IV infusion at the RP2D dose level, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose expansion, Arm 3
Experimental group
Description:
Drug: SON-DP Up to 18 participants with ovarian cancer will be treated with SON-DP by 90-minute IV infusion at the RP2D dose level, for up to 6 cycles.
Treatment:
Drug: SON-DP
Dose expansion, Arm 4
Experimental group
Description:
Drug: SON-DP Up to 18 participants with colorectal cancer will be treated with SON-DP by 90-minute IV infusion at the RP2D dose level, for up to 6 cycles.
Treatment:
Drug: SON-DP

Trial contacts and locations

5

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Central trial contact

Jianjun Wang; Yingyi zhang

Data sourced from clinicaltrials.gov

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