Clinical Trial Finder

Use of Exome Sequence Analysis and Circulating Tumour in Assessing Tumour Heterogeneity in BRAF Mutant Melanoma

Study Purpose

Despite recent advances in cancer treatment, little impact has been made on curing as opposed to controlling cancers over the last several decades. Part of the problem is that investigators have an incomplete understanding of how tumours behave as they evolve and in response to treatment. In this trial, the investigators hope to better understand the evolution of BRAF melanoma in response to drugs a patient may have received such as vemurafenib or dabrafenib. Importantly, the investigators want to understand how the tumours evolve resistance to these drugs and whether this can be predicted through blood tests, in particular of the circulating tumour DNA.

Recruitment Criteria

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

Accepts Healthy Volunteers

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.

An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.

Searching Both is inclusive of interventional and observational studies.

Study Type
Observational [Patient Registry]
Eligible Ages 18 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

UHN adult patient with BRAF mutant melanoma

Exclusion Criteria:

Non BRAF mutant melanoma patient Pediatric patient Non-UHN patient

Trial Details

This trial id was obtained from, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

Trial ID:

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.


The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Lead Sponsor
University Health Network, Toronto

The person who is responsible for the scientific and technical direction of the entire clinical study.

Principal Investigator
Anthony Joshua, Dr.
Principal Investigator Affiliation Princess Margaret Cancer Centre

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Agency Class
Overall Status Recruiting
Countries Canada

The disease, disorder, syndrome, illness, or injury that is being studied.

Additional Details

Study population: BRAF mutant melanoma patients Pre-mortem bloods will be taken from the patient on three occasions at one to thirty days apart from each other, with the first blood draw taking place on the patient's first clinic visit. Six 7 ml EDTA and one 6 ml SST vacutainers of blood (a total of approx. 50 ml of blood) will be taken from the patient. When death is expected within the next 48-72 hours, the Medical Oncologist/ Radiation Oncologist/ Hematologist OR delegate will revisit the RAP process with the patient and/or family/substitute decision maker to ensure that they are still in agreement. The patient and the families will also be provided with an additional consent form for participation including blood sampling.

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

International Sites

Princess Margaret Cancer Centre, Toronto, Ontario, Canada




Princess Margaret Cancer Centre

Toronto, Ontario, M5G 2M9

Site Contact

Madura Siva, M.Sc.


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