Study of SYN818 With Olaparib for the Treatment of Locally Advanced or Metastatic Solid Tumors

NCT ID: NCT07156253

Last Updated: 2025-09-05

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

110 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-08-26

Study Completion Date

2029-02-25

Brief Summary

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This interventional study will evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics and preliminary efficacy of SYN818 with Olaparib in adult patients with locally advanced or metastatic solid tumors

Detailed Description

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This study is a Phase Ib, open-label, multicentre study of SYN818 with Olaparib administered orally in patients with locally advanced or metastatic solid tumors harboring mutations in BRCA and/or defects in the homologous recombination repair (HRR) pathway

Conditions

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Metastatic Solid Tumor Ovarian Cancer Breast Cancer BRCA 1 /2 and / or HRD Advanced Solid Tumors

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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SYN818 combination with Olaparib

Group Type EXPERIMENTAL

SYN818 and Olaparib will be administered

Intervention Type DRUG

Patients will orally receive SYN818 and Olaparib

Interventions

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SYN818 and Olaparib will be administered

Patients will orally receive SYN818 and Olaparib

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Having signed the written Informed Consent Form (ICF);
* Male or female aged ≥18 years;
* Life expectancy ≥12 weeks;
* Eastern Cooperative Oncology Group (ECOG) Performance Score 0 or 1;
* Participant has a histologically confirmed diagnosis of advanced or metastatic solid tumor and has exhausted all standard-of-care treatment options, with documented BRCA mutations and/or homologous recombination repair deficiency (Part 1).
* Participant has histologically or cytologically confirmed locally advanced or metastatic epithelial ovarian cancer or HER2-negative breast cancer, with documented BRCA mutations and/or homologous recombination repair deficiency (Part 2).
* At least one measurable lesion according to Response Evaluation Criteria in Solid Tumors (RECIST) v1.1;
* No serious hematological, cardiopulmonary, or liver or kidney diseases other than the primary disease;
* Adequate organ function and bone marrow function.

Exclusion Criteria

* Previous or current use of DNA Polymerase Theta (POLQ) inhibitors;
* Current or previous other malignancy unless treated radically and with no evidence of recurrence or metastasis within the past 5 years;
* Central nervous system (CNS) metastasis or meningeal metastasis with clinical symptoms, or other evidence indicating that CNS metastasis or meningeal metastasis has not been adequately controlled;
* Patients with Myelodysplastic syndrome (MDS)/Acute myeloid leukemia (AML) or with features suggestive of MDS/AML;
* Dysphagia or refractory nausea and vomiting, malabsorption, extracorporeal biliary shunts, or gastrointestinal disorders that affect drug absorption, e.g., Crohn's disease, ulcerative colitis, or short bowel syndrome, or other malabsorption conditions;
* Treatment with an anti-cancer small molecule within 5 half-lives (t1/2), or 2 weeks, whichever is shorter;
* History of use within 2 weeks prior to the first dose of the study treatment and need to use protocol-prohibited potent inhibitors or potent inducers of cytochrome P450 (CYP) 3A4/BCRP/P-gp during the study;
* Serious systemic diseases or laboratory abnormalities or other conditions that, at the Investigator's discretion, will make it unsuitable for the patient to participate in this clinical trial.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hangzhou SynRx Therapeutics Biomedical Technology Co., Ltd

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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FuDan University Shanghai Cancer Center

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

FuDan University Shanghai Cancer Center

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Duo Wu

Role: CONTACT

+86-571-86360796

Facility Contacts

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Hongxia Wang

Role: primary

+86-13524491606

Xiaohua Wu

Role: primary

+86-21-64175590

Other Identifiers

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SYN-818-102

Identifier Type: -

Identifier Source: org_study_id

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