A Rollover Protocol to Allow for Continued Access to the LSD1 Inhibitor Seclidemstat (SP-2577)

Status unconfirmed · Phase 1/Phase 2

Conditions studied: Ewing Sarcoma, Myxoid Liposarcoma, Desmoplastic Small Round Cell Tumor, Extraskeletal Myxoid Chondrosarcoma, Angiomatoid Fibrous Histiocytoma, Clear Cell Sarcoma, Myoepithelial Tumor, Low Grade Fibromyxoid Sarcoma, Sclerosing Epithelioid Fibrosarcoma

In brief

This rollover protocol allows continued access to seclidemstat (SP-2577) for patients who are still receiving clinical benefit on completed or closed Salarius sponsored studies.

Key facts

Study ID

NCT05266196

Run by

Salarius Pharmaceuticals, LLC

People needed

10

Starts

2022-01-15

Expected to finish

2025-12-01

Last updated by the study team

2023-08-01

Who can join

Age: 12 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patient is currently enrolled in a Salarius-sponsored study that is approved to enroll into this rollover study, and are receiving seclidemstat as monotherapy or in combination with other study treatment per the parent protocol (i.e. topotecan and cyclophosphamide). The maximum time between discontinuing the parent protocol and starting this rollover protocol is 14 days.
• Patient is currently benefiting from the treatment with seclidemstat monotherapy or combination treatment, as determined by the investigator
• Patient has demonstrated compliance, as assessed by the investigator, with the parent study protocol requirements
• Willingness and ability to comply with scheduled visits, treatment plans and any other study procedures
• Ability to understand and the willingness to sign a written informed consent document.
• Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and 4 months after completion of seclidemstat administration.

You may not qualify if…

• Patient has been permanently discontinued from study treatment in the parent study due to any reason, except for the purpose of entering this open label rollover study.
• Pregnant and breastfeeding women are excluded from this study. The effects of seclidemstat on the developing human fetus have the potential for teratogenic or abortifacient effects. There is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with seclidemstat.
• Patient is receiving prohibited concomitant therapy as described in Section 5.4.2 of the rollover protocol, or therapy not allowed in the parent protocol.

Where it is running

• Sarcoma Oncology Center — Santa Monica, California, United States

Full record on ClinicalTrials.gov

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