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NCT Number: NCT06251310

SW-682 in Advanced Solid Tumors

This is a first-in-human (FIH), Phase 1a/1b open-label, multicenter, dose escalation and dose expansion study of SW-682 in adult participants with metastatic or unresectable advanced solid tumors with or without Hippo pathway alterations that are refractory to, or have progressed, during or after appropriate prior systemic anticancer therapy, including chemotherapy, immunotherapy, radiation therapy or targeted therapy, or for which no treatment is available, or prior standard of care (SOC) therapy was not tolerated and for which there is no further SOC treatment available. The study includes a Part 1 (Phase 1a) dose escalation phase and a Part 2 (Phase 1b) dose expansion to optimize the dose to be used for further development. All participants will self-administer SW-682 by mouth in 28-day cycles.

Recruiting

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

HonorHealth Research Institute, Scottsdale, Arizona, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Key Inclusion Criteria:

  • Histologically confirmed, metastatic, or unresectable solid cancer that has either not responded to or progressed during or after appropriate prior systemic anticancer therapy including chemotherapy, immunotherapy, radiation therapy, or appropriate targeted therapy, or for which there is no treatment available or prior SOC therapy was not tolerated and for which there is no further SOC treatment available
  • Part 1: must have one of the following:
  • Mesothelioma with or without NF2 mutations
  • Advanced solid tumors with NF2 mutations
  • Advanced solid tumors with other Hippo pathway mutations or fusions (e.g., FAT1, LATS1/2, YAP fusions; WWTR1-CAMTA1 in EHE).
  • Part 2: must have the tumor histology and oncogenic mutation or genomic aberration specific to each dose expansion cohort defined below:
  • Cohort 1: Participants with mesothelioma with or without NF2 mutations
  • Cohort 2: Participants with advanced solid tumors with NF2 mutations
  • Cohort 3: Participants with advanced solid tumors with other Hippo pathway mutations identified during Part 1 (Phase 1a) dose escalation
  • Cohort 4: SW-682 with appropriate combination therapy.
  • In both parts, participants should have known oncogenic mutation identified by Next Generation Sequencing or local assay
  • Must have archival tumor tissue or agree to a fresh tumor biopsy at screening
  • Measurable disease per RECIST 1.1
  • Eastern Cooperative Oncology Group (ECOG) performance status of ≤1
  • Adequate bone marrow, kidney, hepatic, and coagulation function

Key Exclusion Criteria:

  • Evidence of symptomatic CNS metastases, leptomeningeal carcinomatosis, or untreated spinal cord compression
  • Clinically significant cardiac disease or abnormal cardiac parameters
  • Preexistence or inheritance of a familial renal syndrome
  • Concomitant non-anti-arrhythmic medications that are known to prolong the QTc interval
  • Concomitant medicines that are known strong/moderate inhibitors or inducers of cytochrome P450 3A4 (CYP3A4) and/or CYP1A2 within 14 days or 5 half-lives before the first dose of study treatment
  • Concomitant medicines that are known sensitive substrates of CYP3A4, CYP2C19, CYP2D6, CYP1A2, and/or CYP2B6 within 14 days or 5 half-lives before the first dose of study treatment
  • Concomitant medicines that are known sensitive substrates of PGP, BCRP, OATP1B1, OATP1B3, OAT1, OAT3, MATE1, MATE2-K, OCT2
  • Clinically significant active infection (bacterial, fungal, or viral)

Treatment and study plan

SW-682

Drug

SW-682 tablet administered orally

Combination therapy

Drug

Appropriate combination therapy

Primary outcomes

  1. Incidence of Adverse Events (Part 1 Only)

    Time frame: Up to 24 months

    Safety and tolerability endpoint evaluation via incidence of dose limiting toxicities (DLTs), serious adverse events (SAEs), treatment emergent adverse events (TEAE)

  2. Maximum Tolerated Dose (Part 1 Only)

    Time frame: Up to 24 months

    The maximum tolerated dose (MTD) for SW-682, if any, will be based on safety and tolerability during the first 28 days of treatment in Cycle 1.

  3. Recommended Dose for Expansion (Part 1 Only)

    Time frame: Up to 24 months

    The recommended dose for expansion (RDE) will be determined based on all safety, tolerability, pharmacokinetics (PK), preliminary antitumor efficacy, and other available data from Part 1 of the study.

  4. Objective Response Rate (Part 2 Only)

    Time frame: Up to 24 months

    Objective response rate (ORR), defined as the proportion of participants with confirmed CR or PR using RECIST v1.1, mRECIST for mesothelioma, and/or GCIG CA-125 for ovarian cancer, as applicable, assessed by the investigator.

Secondary outcomes

  1. Change in plasma and urine concentrations of SW-682

    Time frame: Up to 24 months

    Plasma and urine concentrations of SW-682 and any relevant metabolite(s) will be measured to evaluate systemic exposures and renal elimination.

  2. Objective Response Rate (Part 1 Only)

    Time frame: Up to 24 months

    Objective response rate (ORR), defined as the proportion of participants with confirmed CR or PR using RECIST v1.1, mRECIST for mesothelioma, and/or GCIG CA-125 for ovarian cancer, as applicable, assessed by the investigator.

  3. Disease Control Rate

    Time frame: Up to 24 months

    Disease control rate (DCR), defined as the percentage of participants with CR, PR, or stable disease (SD) after starting study treatment.

  4. Duration of Response

    Time frame: Up to 24 months

    Duration of response (DoR), defined as the time from response (CR + PR using RECIST v1.1, mRECIST and/or (GCIG) criteria for CA-125 response in ovarian cancer, as applicable) to disease progression and/or death, whichever occurs first.

  5. Progression-Free Survival

    Time frame: Up to 24 months

    Progression-free survival (PFS), defined as the time from the date of the first administration of study treatment to the first documented disease progression per RECIST v1.1, mRECIST, and/or GCIG CA-125, as applicable, or death due to any cause, whichever occurs first.

Study contacts

Contact information is provided by the study sponsor or research team.

US Medical Information

CONTACT

[email protected]

888-275-7376

Sponsors and collaborators

Lead sponsor

SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany

Industry

Registry information

Official study title

A Phase 1a/1b Dose Escalation, Dose Expansion Study of SW-682 in Participants With Advanced Solid Tumors Enriched for Those With Hippo Pathway Mutations

Important dates

Study start
2024
Primary completion
2027
Study completion
2027
First posted
Feb 9, 2024
Registry last updated
Jul 17, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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