Phase 2 Melanoma Trial, Recruiting NCT05655312 Sponsor: Perspective Therapeutics Condition: Melanoma
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Phase 2 Melanoma Trial, Recruiting

NCT05655312
Recruiting Phase 2

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People aged 18 or older
  • People who have been diagnosed with melanoma that cannot be surgically removed and has either spread to other parts of the body or come back after previous treatment (Stage III or Stage IV)
  • People whose melanoma continued to grow or spread despite having at least one previous approved treatment for advanced melanoma
  • People whose scans (PET or SPECT imaging) show that the study's imaging agents ([68Ga]VMT02 or [203Pb]VMT01) are taken up by at least one melanoma tumour site
  • People who have had previous intravenous treatments (such as chemotherapy or immunotherapy) or oral targeted therapies, and who test positive for a specific protein marker (MC1R) during screening — provided a waiting period of 21 days (for intravenous treatments) or 7 days (for oral treatments) has passed before starting the study treatment
  • People who have measurable disease confirmed by a standard imaging assessment within 45 days before the first dose of study treatment
  • People who are able to lie flat and still for up to two hours for imaging scans (mild sedation may be allowed if needed)
  • People whose doctors consider their organs (kidneys, liver, etc.) to be functioning well enough, based on blood tests
  • People whose general physical condition is rated as largely functional (an activity score below 2 on a standard medical scale)
  • People whose life expectancy is at least 3 months from the start of treatment
  • Women who could become pregnant must agree to use highly effective contraception and not donate eggs from screening, throughout treatment, and for at least 6 months after the last dose of study treatment
  • Men who could father a child must agree to use condoms or other effective contraception and not donate sperm from screening, throughout treatment, and for at least 6 months after the last dose of study treatment

Who may not be able to join:

  • People who currently have another active cancer
  • People who have previously received a systemic (whole-body) treatment using radioactive substances (note: people who have had localised radioactive treatment or routine radioactive imaging scans may still be considered)
  • People who are pregnant or breastfeeding
  • People who have had a serious infection requiring intravenous antibiotics within 2 weeks before the first dose of study treatment
  • People who have a fever within 48 hours of any scheduled study treatment or imaging appointment
  • People who have taken part in another clinical drug trial within the 45 days before the first dose of study treatment
  • People who currently misuse alcohol or illicit drugs
  • People with medical or personal circumstances that are likely to interfere with safely following the study's requirements, including radiation safety precautions

Additional reasons that may prevent joining for people receiving the combination treatment with nivolumab:

  • People with untreated cancer spread to the brain or spinal cord, or brain/spinal metastases currently requiring active treatment
  • People with an active, known, or suspected condition where the immune system attacks the body (autoimmune disease)
  • People currently taking steroid medications or other medicines that suppress the immune system
  • People with active hepatitis B, hepatitis C, or HIV with AIDS
  • People currently using complementary medicines such as herbal supplements or traditional Chinese medicines
  • People with abnormal blood test results relating to blood cell counts, liver function, or kidney function
  • People who have received a live or weakened live vaccine within 30 days before the first dose of study treatment
  • People who still have significant side effects from previous immunotherapy treatment
  • People with a known allergy or previous reaction to nivolumab or any of its ingredients

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 14 July 2026
Phase 2: approximately ~30% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Phone: 206-676-0900

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

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Trial details

Status
Recruiting
Phase
Phase 2
Sponsor
Perspective Therapeutics
Registry
ClinicalTrials.gov
Start date
1 June 2023
Est. completion
31 December 2027

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Number of subjects with dose-limiting toxicities (DLTs) after the first administration of [212Pb]VMT01 as a monotherapy or in combination with nivolumab.; Objective response rate (ORR) per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1; Incidence and severity of adverse events (AEs) and serious adverse events (SAEs) following administration of [212Pb]VMT01 as a monotherapy or in combination with nivolumab

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 14 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov