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Investigator-initiated phase 1 study of nucleic acid medicine targeting PRDM14 in patients with breast cancer

Investigator-initiated phase 1 study of nucleic acid medicine targeting PRDM14 in patients with breast cancer

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031190181
Enrollment
12
Registered
2020-01-09
Start date
2020-09-02
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

breast cancer

Interventions

SRN-14/GL2-800 mixture administered weekly.

Sponsors

Takahashi Shunji
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Patients with breast cancer who: *Pathologically diagnosed as breast cancer. *Recurrent breast cancer unresectable or with distant metastases that is indicated for systemic chemotherapy. *ECOG PS: 0-1. *Female between the ages 20 and 75 at the time of consent. *History of 2 or more types of chemotherapy including anthracyclines and taxanes, as adjuvant therapy, neoadjuvant therapy or chemotherapy for metastasis or recurrence. 2. Meet specified values of laboratory tests for major organ function. 3. Expect to survive for at least 3 months from the date of enrollment. 4. Have an evaluable lesion by RECIST 1.1. 5. Written consent to participate in the trial.

Exclusion criteria

Exclusion criteria: 1. HER2 positive 2. Major surgery or the last intervention of other clinical trial completed within 4 weeks of enrollment, chemotherapy or endocrine therapy completed within 3 weeks of enrollment, or the last irradiation of radiation therapy completed within 2 weeks of enrollment, 3. Double cancer. 4. Complication or other general condition that is not appropriate to participate in the trial (e.g., infection, immunodeficiency, neurologic disease). 5. Pulmonary fibrosis or respiratory failure requiring oxygen. 6. HBV, HCV, or HIV infection. 7. Serious cardiovascular disease. 8. Metastases brain or spinal cord. 9. Diabetes mellitus that is poorly controlled by drug administration. 10. Allergy related to a substance contained in the investigational drug or a substance involved in the manufacture. 11. Pregnancy, breast-feeding, or disagreement with appropriate contraception. 12. Other case that is not appropriate to participate in the trial by the investigator.

Design outcomes

Primary

MeasureTime frame
safety

Secondary

MeasureTime frame
1.Efficacy by tumor shrinkage, 2.Pharmacokinetics

Contacts

Public ContactTatsushi Goto

FiveRings Co., Ltd.

gotou@fiverings.co.jp+81-6-6358-7110

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026