ClinicalTrials.gg
RecruitingNCT06251310Updated Oct 30, 2026

SW-682 in Advanced Solid Tumors

A Phase 1 interventional study of SW-682 and Combination Therapy in Advanced Solid Tumor and Mesothelioma, Malignant, sponsored by SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany. Recruiting at 8 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-10-30.

Sponsored by SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany (part of Merck KGaA, Darmstadt, Germany) · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Started Jul 2024; still recruiting 2 years 3 months later.

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Phase
Phase 1
Study type
Interventional
Enrollment
186
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-14

Among 164 studies in Mesothelioma, Malignant with a site in United States — 22 open to participants now, 37 under way, 1 of them phase 3. Mesothelioma, Malignant · United States.

Planned enrollment
14th of 144
186 · median 33
Started
2024
with 7 others
Phase 1
62 of 164
7 open now
Primary completion
2027-01
later than 9 of 35 live
Registered
154th of 164
by date

Among the 164 studies in Mesothelioma, Malignant with a site in United States, this one is the 14th largest by planned enrollment of the 144 interventional ones that give a count, is one of 8 that started in 2024, is one of 62 in phase 1, reaches primary completion later than 9 of the 35 other live ones, and was the 154th registered.

Mesothelioma, Malignant

339 studies on the registry are indexed under Mesothelioma, Malignant; 64 are open to participants now.

Browse Mesothelioma, Malignant studies →

Open to participants now

22 of the 164 studies in Mesothelioma, Malignant with a site in United States are open now. Recruiting first, the newest first:

16 more — sign in →

All 22 open studies →

A study can be open while its sites in United States have not opened yet or have stopped. Only those recruiting at a site in United States →

Who these studies take

Of the 55 Mesothelioma, Malignant studies recruiting now, 43 (78%) set no upper age limit and 5 (9%) stop at 75 or younger; 2 take children under 18; 3 take healthy volunteers.

This study: 18 Years and older · all sexes · no healthy volunteers.

The full table on the hub →

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02

Study summary

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.

03

Conditions studied

  • Advanced Solid Tumor
  • Mesothelioma, Malignant
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Eligibility criteria

Key Inclusion Criteria:

  • confirmed, , 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 or agree to a fresh tumor biopsy at screening
  • per 1.1
  • (ECOG) performance status of ≤1
  • Adequate bone marrow, kidney, hepatic, and coagulation function

Key Exclusion Criteria:

  • Evidence of symptomatic , , or untreated spinal cord compression
  • 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
  • Concomitant medicines that are known strong/moderate inhibitors or inducers of cytochrome P450 3A4 () 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)
Terms in these criteria, in plain language(11)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Histologically or cytologically confirmed

The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).

Your pathology report is the document that shows this.

Metastases

Cancer that has spread from where it began to other parts of the body. “Metastatic” cancer is cancer that has spread this way.

Biopsy and archival tissue

A biopsy takes a small piece of tissue to examine. “Archival tissue” is a sample already taken, for example at diagnosis, and kept by the hospital.

Whether a stored sample will do depends on when it was taken, how much there is and what the study needs. Ask whether the study accepts your stored sample or needs a new biopsy.

Measurable disease

The amount of disease can be tracked with a defined measurement, so the study can see whether it shrinks or grows. It might be a tumour measured on a scan or, in some blood cancers such as myeloma, a marker measured in blood or urine.

The criteria or the study team say which measurement counts — having no tumour visible on a scan does not by itself rule you out.

RECIST

The standard rules for measuring tumours on CT or MRI scans, to tell whether a cancer is shrinking, stable or growing during treatment.

“Measurable disease per RECIST 1.1” usually means at least one tumour 10 mm or more at its longest on a CT scan, or a lymph node 15 mm or more across its short axis.

ECOG performance status

A scale of how much an illness limits everyday activity. For people being assessed to join a study, scores run from 0 (fully active) to 4; lower is more active.

0
Fully active, no restrictions.
1
Limited in strenuous activity, but walking and able to do light work, such as housework or office work.
2
Walking and able to look after yourself, but unable to work; up and about more than half of waking hours.
3
Able to look after yourself only in part; in bed or a chair more than half of waking hours.
4
Unable to look after yourself at all; in bed or a chair all day.

Studies most often ask for 0–1 or 0–2. Your doctor gives the score; the WHO scale uses the same steps. The full scale also has 5, which records death.

Brain metastases

Cancer deposits in the brain from a cancer that started elsewhere in the body (CNS metastases include the spinal cord).

Studies differ: some leave out any brain metastases, some accept ones treated and stable for some weeks. Check what this study allows.

Leptomeningeal disease

Cancer that has spread to the leptomeninges, the thin layers covering the brain and spinal cord, and the fluid between them. It is not the same as brain metastases.

Criteria often treat it separately, and many studies leave it out even where treated brain metastases are allowed.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

QT and QTc

On an ECG, the QT interval is the time the heart’s lower chambers take to activate electrically and recover in each beat. QTc is that time adjusted for heart rate (QTcF by Fridericia’s formula, QTcB by Bazett’s). Some medicines lengthen it, and a long QTc can raise the risk of a dangerous heart rhythm.

The study may name a correction formula and a limit in milliseconds, often around 450–480.

CYP3A (CYP3A4) inhibitors and inducers

CYP3A is a group of enzymes, mainly CYP3A4, in the liver and gut that break down many medicines. Some medicines, supplements and foods (grapefruit, St John’s wort) slow them down or speed them up, which changes how much of a study drug stays in the body.

Studies list them so they can be avoided or switched; bring a list of everything you take, including supplements.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Sequential assignment
Masking
None (open label)
Enrollment
186 participants (estimated)

Study arms

  • Experimental
    Phase 1 Dose Escalation Cohorts Ranging in Dose

    Participants with advanced solid tumors with or without Hippo pathway mutations will receive SW-682 tablets administered orally in continuous 28-day cycles. SW-682 dosage and frequency of administration will vary by cohort.

    Drug: SW-682

  • Experimental
    Part 2 Dose Expansion Cohort 1

    Participants with mesothelioma with or without NF2 mutations will receive SW-682 tablets administered orally in continuous 28-day cycles at the recommended dose for expansion, based on Part 1 data.

    Drug: SW-682

  • Experimental
    Part 2 Dose Expansion Cohort 2

    Participants with advanced solid tumors with NF2 mutations will receive SW-682 tablets administered orally in continuous 28-day cycles at the recommended dose for expansion, based on Part 1 data.

    Drug: SW-682

  • Experimental
    Part 2 Dose Expansion Cohort 3

    Participants with advanced solid tumors with other Hippo pathway mutations identified during Part 1 (Phase 1a) dose escalation will receive SW-682 tablets administered orally in continuous 28-day cycles at the recommended dose for expansion, based on Part 1 data.

    Drug: SW-682

  • Experimental
    Part 2 Dose Expansion Cohort 4

    Participants will receive SW-682 tablets administered orally in continuous 28-day cycles at the recommended dose for expansion, based on Part 1 data, with appropriate combination therapy, identified based on Part 1 data.

    Drug: SW-682 · Drug: Combination Therapy

Interventions

  • DrugSW-682

    SW-682 tablet administered orally

  • DrugCombination Therapy

    Appropriate combination therapy

06

What researchers measure

Primary outcomes

  1. Incidence of Adverse Events (Part 1 Only)

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

    Time frame: Up to 24 months

  2. Maximum Tolerated Dose (Part 1 Only)

    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.

    Time frame: Up to 24 months

  3. Recommended Dose for Expansion (Part 1 Only)

    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.

    Time frame: Up to 24 months

  4. Objective Response Rate (Part 2 Only)

    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.

    Time frame: Up to 24 months

Secondary outcomes

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

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

    Time frame: Up to 24 months

  2. Objective Response Rate (Part 1 Only)

    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.

    Time frame: Up to 24 months

  3. Disease Control Rate

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

    Time frame: Up to 24 months

  4. Duration of Response

    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.

    Time frame: Up to 24 months

  5. Progression-Free Survival

    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.

    Time frame: Up to 24 months

07

Study locations

8 of 8 sites recruiting
08

References and documents

Individual participant data

Plan to share: No — IPD will not be shared for Phase I interventional or observational studies. Further information on how to request data can be found on our website bit.ly/IPD21.

09

Timeline

1 registry update since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Started Jul 2024 (actual). Primary completion is estimated for Jan 2027, 29 months after the start.

Of 40 phase 1 interventional studies under Mesothelioma, Malignant, half reached primary completion within 63 months of starting (the median), counting those still running; a quarter within 39 and three quarters within 89. This study's planned 29 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Feb 1, 2024
First posted
Feb 9, 2024
StartActual
Jul 31, 2024
Primary completionEst.
Jan 18, 2027
CompletionEst.
Jan 18, 2027
Last update
Oct 30, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
Minor edits
Nothing that changes what the study is or who can join. Edited: verification date
1 update, last Oct 30, 2026
Show all 1 update
  1. Oct 30, 2026
    Minor edits only
    + 1 other change: verification date

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT06251310
Responsible party
Sponsor
First posted
Feb 9, 2024
Start date
Jul 31, 2024
Primary completion
Jan 18, 2027 (estimated)
Completion
Jan 18, 2027 (estimated)
Last update
Oct 30, 2026

Study contacts

US Medical Information
Contact
eMediUSA@emdserono.com
888-275-7376
Medical Responsible
study director · SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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