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Molecular Profiling and Matched Targeted Therapy for Patients With Metastatic Melanoma

PHASE2RECRUITING

This is a patient oriented translational research project aiming to improve clinical outcomes for patients with BRAF and NRAS wild-type unresectable Stage III or Stage IV metastatic melanoma who have progressed on, or are unable to receive standard therapy (in general, immunotherapy). Consecutive patients seen at three major clinics and fitting the broad eligibility criteria will be invited to participate. The approach is designed to test the impact of different targeted drugs on different mutations in a single type of cancer.

In this project, patients will have tumour tissue genetically profiled to determine which mutation(s) are present, and will then be assigned to receive a matched drug expected to target the mutation(s) in the tumour. Where multiple targets are identified in one patient, or where multiple potential therapies would be appropriate for a single tumour mutation, the treating clinician may determine the appropriate therapeutic approach after consultation with the study team, using the latest version of library of matched therapies.

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Study details:

Current standard of care testing covers mutations in the BRAF and NRAS genes. The comprehensive gene testing platform to be used in this project is designed to interrogate the entire coding sequence of 315 cancer-related genes plus introns from 28 genes often rearranged or altered in cancer. These genes are known to be somatically altered in solid cancers based on recent scientific and clinical literature.

The test panel will be used on melanoma tissue from patients pre-screened as having BRAF and NRAS wild-type melanoma. The extent of testing will be updated to reflect new discoveries in melanoma tumourigenesis and availability of new therapies as the project proceeds. Testing will be performed on formalin-fixed and paraffin-embedded samples of metastatic tissue.

Archival tissue from primary or regional recurrent melanoma may be considered if no recent sample is available or possible. All new patients with unresectable Stage III or IV melanoma seen at each participating site will be invited to participate. Following written consent, all patients will undergo the standard testing for BRAF and NRAS mutations.

Patients found to have mutations in either gene will receive standard treatment with dabrafenib and / or trametinib and no further molecular testing. Patients with wild type versions of BRAF and NRAS genes will have tumour tissue sent for the extended gene testing platform. These patients will first receive standard of care therapy for wild type BRAF / NRAS melanoma, where possible.

Once standard therapies have been exhausted (because of disease progression or intolerable adverse events), patients will then receive a targeted therapy matched for their genetic result, if applicable. The selection of targeted therapy will be based on clinical evidence of activity in other solid tumours harbouring similar mutations and / or in at least Phase I testing in melanoma. The table of matched therapies will be modified and extended as new findings from clinical research become available.

Patients may be included in specific clinical trials of targeted therapies if available, e. g. a MEK inhibitor combined with an MDM2 inhibitor (AMG232) for BRAF and TP53 wild-type melanoma or a MEK inhibitor combined with a CDK4/6 inhibitor for BRAF wild-type melanoma.

The extensive molecular profiling platform is fully validated and will be conducted by an external provider accredited by an authority with the responsibility to award Laboratory Accreditation at private and public facilities.

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Eligibility criteria

Researchers look for people who fit a certain description, called eligibility criteria. See if you qualify.

Inclusion criteria

Newly diagnosed and treatment naïve unresectable Stage IIIB, IIIC or Stage IV melanoma (including sub types: cutaneous, mucosal, acral, ungual, uveal and unknown primary).

Archival metastatic tumour tissue available for genetic testing. Archival tissue from primary melanoma may be considered if no recent sample is available.

Male or female patients aged 18 or over.

Written informed consent for molecular genetic testing of tumour tissue (for both standard and research tests).

Received available standard therapies for metastatic melanoma and progressed, unable to tolerate standard therapy, or standard therapy contraindicated.

Written informed consent to receive targeted therapy (if applicable) and clinical follow up.

Patient has an 'actionable' genetic aberration and matched targeted therapy is available. Patients with no genetic aberration or where no matched targeted therapy is available, patients will be offered trametinib.

ECOG status 0 - 2.

Adequate haematological, hepatic and renal organ function as defined by: 1. White cell count ≥ 2.0 × 109/L 2. Neutrophil count ≥ 1.5 × 109/L 3. Haemoglobin ≥ 90 g/L 4. Platelet count ≥ 100 x 109/L 5. Total bilirubin ≤ 3.0 x ULN 6. Alanine transaminase ≤ 3.0 x ULN 7. Aspartate aminotransferase ≤ 3.0 x ULN 8. Serum creatinine ≤ 1.5 x the upper limit of normal (ULN).

Life expectancy > 30 days.

Women of child bearing potential (WOCBP) to use contraception to avoid pregnancy.

Non sterile men with female partners of CBP to use contraception to avoid pregnancy.

Drug specific inclusions.

Exclusion criteria

An expectation for the need for concurrent radiotherapy (unless safety has been established with the matched drug regimen and is directed at one anatomical region for symptom control).

Any investigational drug or other systemic drug therapy for melanoma within 14 days or 5 half-lives from baseline, whichever is shorter.

Pregnant or breast feeding females.

Drug specific exclusions.

Any clinically significant gastrointestinal abnormalities which may impair intake or absorption of the study drug.

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Eligibility

Age eligible for study : 18 and older

Healthy volunteers accepted : No

Gender eligible for study: All

Things to know

Study dates

Study start: 2021-11-22

Primary completion: 2027-07-01

Study completion finish: 2028-12-01

Study type

TREATMENT

Phase

PHASE2

Trial ID

NCT02645149

Intervention or treatment

DRUG: Standard therapy or clinical trial

DRUG: Matched targeted therapy

DRUG: Trametinib and / or supportive care

DRUG: CDK4/6 and MEK inhibitor

DRUG: Compassionate Access Targeted Therapy

Conditions

• Melanoma

Condition: Melanoma
DRUG: Standard therapy or clinical trial and other drugs
Westmead, New South Wales, Australia and more
Sponsor: Melanoma Institute Australia

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Find a site

Closest Location:

Westmead Hospital

Research sites nearby

Select from list below to view details:

Westmead Hospital
Westmead, New South Wales, Australia
Melanoma Institute Australia
Wollstonecraft, New South Wales, Australia

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Participant Group/Arm	Intervention/Treatment
EXPERIMENTAL: A1. Non-V600 BRAF, BRAF wildtype, NRAS wildtype. Actionable gene mutation, matched drug available Patients will receive targeted drug matched to the actionable gene mutation detected on NGS testing. If a patient cannot receive the matched targeted therapy because of the existence of one or more drug specific exclusion criteria, an alternative matched therapy may be assigned, or trametinib, or clinical trials if available.	DRUG: Matched targeted therapy Patients with tumour found to be non-V600 BRAF, BRAF wildtype and NRAS wildtype melanoma will have tumour tested further using the extended molecular testing platform designed for this project. Patients will first receive standard therapy(ies) for non-V600 BRAF, wildtype and NRAS wildtype melanoma until disease progression or intolerable drug toxicities. Followed by a targeted therapy matched to the genetic aberration detected in their tumour on NGS testing.
EXPERIMENTAL: A2. Non-V600 BRAF, BRAF wildtype, NRAS wildtype. Actionable gene mutation, no matched drug available Patients may have an actionable aberration for which there is no current study-specific drug supply available. In this scenario, access will be sought for compassionate use of the relevant approved targeted therapy.	DRUG: Compassionate Access Targeted Therapy Patients with non-V600 BRAF, BRAF wildtype and NRAS wildtype melanoma may have an actionable aberration(s) for which there is no current study-specific drug supply. In this scenario, access will be sought for compassionate use of the off label use of the relevant regulatory approved targeted therapy
EXPERIMENTAL: A3. Non-V600 BRAF, BRAF wild type and NRAS wild type melanoma - no actionable genetic aberration Patients for whom there is no actionable genetic aberration will receive trametinib, based upon the known MAPK excess activity in the majority of melanomas that may be inhibited by a MEK inhibitor	DRUG: Trametinib and / or supportive care Patients with non-V600 BRAF, BRAF wildtype and NRAS wildtype melanoma for whom there is no actionable genetic aberration found on extended molecular testing, may receive trametinib (if not already administered as part of standard care) and/or supportive care.
EXPERIMENTAL: B. Mucosal melanoma Patients will receive combined trametinib and ribociclib based on evidence to suggest that combined MEK inhibition and CDK4/6 inhibition may be effective. After failure of trametinib and ribociclib, actionable genetic aberrations from the NGS testing will be reviewed for the opportunity to use a further targeted therapy off label.	DRUG: CDK4/6 and MEK inhibitor Patients mucosal melanoma and any genetic aberration on NGS testing may receive ribociclib + trametinib initially. After failure of trametinib and ribociclib, actionable genetic aberrations from the NGS testing will be reviewed for the opportunity to use a further targeted therapy off label. Patients with an NRAS mutation on standard of care tumour testing will also receive ribociclib + trametinib.
EXPERIMENTAL: C. NRAS mutant melanoma Patients with an NRAS mutation detected on standard gene testing only will receive combined trametinib and ribociclib based on evidence that combining MEK inhibition and CDK4/6 inhibition is a viable treatment option.	DRUG: CDK4/6 and MEK inhibitor Patients mucosal melanoma and any genetic aberration on NGS testing may receive ribociclib + trametinib initially. After failure of trametinib and ribociclib, actionable genetic aberrations from the NGS testing will be reviewed for the opportunity to use a further targeted therapy off label. Patients with an NRAS mutation on standard of care tumour testing will also receive ribociclib + trametinib.
OTHER: D. BRAF V600 mutant melanoma Patients will receive standard of care treatment only.	DRUG: Standard therapy or clinical trial Patients with BRAF V600 mutations detected by standard of care tumour testing will be treated with standard approved therapies or on clinical trials.

What is the study measuring?

Primary outcome

Primary Outcome Measure	Primary Outcome Description	Primary Outcome Time Frame
Type and frequency of genetic aberrations in BRAF/NRAS wild-type metastatic melanoma	Genetic aberrations detected by extended molecular profiling in patients with BRAF / NRAS wild type metastatic melanoma.	For the duration of the study, estimated at 5 years.
Proportion of patients with BRAS/NRAS wild-type melanoma receiving targeted therapy	Patients able to receive matched targeted therapy as a result of genetic aberrations detected with extended molecular profiling, from a pool of all BRAF / NRAS wild type patients.	For the duration of the study, estimated at 5 years.

Secondary outcome

Secondary Outcome Measure	Secondary Outcome Description	Secondary Outcome Time Frame
Proportion of patients who have BRAF/NRAS wild type melanoma	From consecutive patients with metastatic melanoma tested for common BRAF / NRAS mutations as part of standard care.	For the duration of the study, estimated at 5 years.
Proportion of patients with complete (CR) or partial (PR) response.	Proportion of patients who received matched targeted therapy as a result of genetic aberrations detected with extended molecular profiling who had a complete (CR) or partial (PR) response.	From date of targeted therapy commencement until the date of first documented objective partial or complete response per RECIST, assessed up to 60 months.
Duration of response	For patients experiencing a complete or partial response to study treatment, the amount of time from this outcome to the time that disease progression or death occurs	From date of first objective partial or complete response to disease progression or death, which ever is sooner, assessed up to 60 months.
Progression free survival	The period of time from study entry to progression of disease or death	From date of targeted therapy commencement to date of objective disease progression per RECIST, assessed up to 60 months.
Overall survival	The proportion of patients alive from the time of study entry	From date of targeted therapy commencement to date of death from any cause, assessed up to 60 months.
Correlation of genetic aberration detected in tumour tissue with clinical response and disease progression	Identify genetic predictors of response and progression using the extended molecular testing platform.	From date of targeted therapy commencement to date of to partial or complete response or disease progression, assessed up to 60 months.
Correlation of with genetic aberration detected in tumour tissue with age at diagnosis, site of primary tumour, chronic sun damaged skin.	Identify clinicopathological correlates (e.g. age at diagnosis, site of primary tumour, chronic sun damaged skin etc.) of molecular subtypes of melanoma at baseline.	At baseline
Correlation of genetic aberration detected in tumour tissue with site of metastases, nodular or superficial spreading disease.	Identify the differences in disease behaviour (e.g. site of metastases, nodular or superficial spreading disease) based on molecular subtypes of melanoma.	At baseline
Adverse events in patients receiving matched targeted therapy.	Characterisation of adverse events by type, frequency and severity using CTCAE version 5.0	From date of the start of targeted therapy to 30 days from discontinuation of targeted therapy

Frequently Asked Questions

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References

Clinical Trials Gov: Molecular Profiling and Matched Targeted Therapy for Patients With Metastatic Melanoma