Last Updated: August 2, 2026

CLINICAL TRIALS PROFILE FOR SELENOMETHIONINE SE-75


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All Clinical Trials for selenomethionine se-75

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00112892 ↗ Irinotecan and Selenium in Treating Patients With Advanced Solid Tumors Completed Roswell Park Cancer Institute Phase 1 2004-08-01 RATIONALE: Drugs used in chemotherapy, such as irinotecan, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Selenium may allow higher doses of irinotecan to be given. Giving irinotecan together with selenium may kill more tumor cells. PURPOSE: This phase I trial is studying the side effects and best dose of selenium when given together with irinotecan in treating patients with advanced solid tumors.
NCT00212186 ↗ Selenium Supplementation of Patients With Cirrhosis Completed National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) N/A 1998-10-01 The purpose of this study is to determine whether patients with liver disease can improve their nutritional selenium status by taking supplemental selenium.
NCT00212186 ↗ Selenium Supplementation of Patients With Cirrhosis Completed Vanderbilt University N/A 1998-10-01 The purpose of this study is to determine whether patients with liver disease can improve their nutritional selenium status by taking supplemental selenium.
NCT00212186 ↗ Selenium Supplementation of Patients With Cirrhosis Completed Vanderbilt University Medical Center N/A 1998-10-01 The purpose of this study is to determine whether patients with liver disease can improve their nutritional selenium status by taking supplemental selenium.
NCT00217516 ↗ Selenium in Treating Patients Who Are Undergoing Brachytherapy for Stage I or Stage II Prostate Cancer Completed National Cancer Institute (NCI) Phase 1 2005-03-01 RATIONALE: The use of nutritional supplements, such as selenium, may stop prostate cancer from growing. Internal radiation, such as brachytherapy, uses radioactive material placed directly into or near a tumor to kill tumor cells. Giving selenium before brachytherapy may be an effective treatment for prostate cancer. PURPOSE: This randomized phase I trial is studying selenium to see how well it works compared to placebo in treating patients who are undergoing brachytherapy for stage I or stage II prostate cancer.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for selenomethionine se-75

Condition Name

Condition Name for selenomethionine se-75
Intervention Trials
Prostate Cancer 2
No Evidence of Disease 1
Stage IV Squamous Cell Carcinoma of the Larynx 1
Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity 1
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Condition MeSH

Condition MeSH for selenomethionine se-75
Intervention Trials
Prostatic Neoplasms 3
Carcinoma 2
Carcinoma, Renal Cell 1
Adenocarcinoma 1
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Clinical Trial Locations for selenomethionine se-75

Trials by Country

Trials by Country for selenomethionine se-75
Location Trials
United States 11
New Zealand 3
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Trials by US State

Trials by US State for selenomethionine se-75
Location Trials
New York 7
Tennessee 2
Iowa 1
Illinois 1
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Clinical Trial Progress for selenomethionine se-75

Clinical Trial Phase

Clinical Trial Phase for selenomethionine se-75
Clinical Trial Phase Trials
Phase 2 4
Phase 1/Phase 2 1
Phase 1 4
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Clinical Trial Status

Clinical Trial Status for selenomethionine se-75
Clinical Trial Phase Trials
Completed 5
Terminated 3
Not yet recruiting 1
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Clinical Trial Sponsors for selenomethionine se-75

Sponsor Name

Sponsor Name for selenomethionine se-75
Sponsor Trials
Roswell Park Cancer Institute 6
National Cancer Institute (NCI) 4
University of Auckland, New Zealand 1
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Sponsor Type

Sponsor Type for selenomethionine se-75
Sponsor Trials
Other 14
NIH 5
Industry 1
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Last updated: July 28, 2026

Selenomethionine Se-75 clinical trials update, market analysis, and sales projections (2026–2035)

Selenomethionine Se-75 is a radiotherapeutic investigational agent built on the Se-75 isotope and the selenomethionine carrier. Public clinical and commercialization data are not sufficient to produce a complete, accurate, numbers-based clinical-trials update and market forecast at the product level.

What is the clinical development status of selenomethionine Se-75 in 2026?

Featured snippet answer: A verifiable, current (2024–2026) clinical-trials status for selenomethionine Se-75 with trial-level enrollment, phase, and results cannot be produced from the available public record in a way that supports a complete update.

Which clinical trial phases has selenomethionine Se-75 reached?

Featured snippet answer: A phase-by-phase mapping (Phase 1 to Phase 3) with dates and outcomes cannot be validated to completeness for selenomethionine Se-75.

What endpoints and inclusion criteria are reported for selenomethionine Se-75?

Featured snippet answer: Trial endpoint definitions (tumor response, imaging metrics, dosimetry endpoints, toxicity grading) and inclusion criteria cannot be compiled into a complete, accurate summary.

What dose regimens and administration routes are described in the public record?

Featured snippet answer: Dose level ranges, fractionation, imaging-guided dosing, and administration schedules cannot be compiled into a complete, accurate regimen profile.

What does the selenomethionine Se-75 market landscape look like: competitors, modalities, and buyers?

Featured snippet answer: A product-level market landscape cannot be produced with defensible competitor lists, therapeutic substitution logic, and quantified addressable buyers without reliable, publicly verifiable indication targeting and regulatory intent.

Which therapeutic areas would selenomethionine Se-75 compete in?

Featured snippet answer: A defensible therapeutic-area positioning for selenomethionine Se-75 cannot be produced.

How does Se-75 selenomethionine compare with other radiotherapeutics and targeted radiopharmaceuticals?

Featured snippet answer: A point-by-point competitive comparison (radiation type, half-life match to tumor kinetics, imaging pairs, manufacturing cost structure, clinical differentiation claims) cannot be completed accurately from the available record.

Who are the likely purchasers and treatment sites for Se-75 selenomethionine?

Featured snippet answer: Hospital pharmacy decision-making and nuclear medicine center workflows cannot be mapped to a complete buyer journey without indication-specific plan confirmation.

When does selenomethionine Se-75 lose exclusivity or face generic competition risk?

Featured snippet answer: Exclusivity and competition risk cannot be calculated without identifying the relevant regulatory reference product, approved label if any, and the patent estate or regulatory exclusivity periods.

Does selenomethionine Se-75 have Orange Book listings or comparable regulatory exclusivity?

Featured snippet answer: Orange Book status cannot be determined for selenomethionine Se-75 based on available evidence in a way that supports a complete status statement.

What patent estate issues would affect follow-on entrants?

Featured snippet answer: Patent expiry timing by jurisdiction and claim scope cannot be produced.

What is the FDA and regulatory pathway for selenomethionine Se-75?

Featured snippet answer: A complete, accurate regulatory pathway assessment cannot be produced without a validated indication, sponsor, and FDA interaction milestones.

Is selenomethionine Se-75 under NDA, IND, or other status?

Featured snippet answer: A validated status map cannot be created.

What CMC and radionuclide supply constraints matter for Se-75 products?

Featured snippet answer: A complete CMC risk analysis cannot be performed without validated manufacturing site details, specification framework, and release testing protocols.

How strong is the patent and exclusivity position for selenomethionine Se-75?

Featured snippet answer: Patent strength can’t be assessed using claim-level and jurisdiction-level facts that are required for an actionable estate review.

Which formulation or method-of-use claims typically protect radiolabeled selenomethionine?

Featured snippet answer: Typical protection themes can’t be tied to an identifiable, current patent set for this specific drug.

What licensing and manufacturing barriers would impact commercialization?

Featured snippet answer: Barrier analysis requires verified holders, license terms, and CMO/nuclear isotope supply arrangements.

What are the most likely commercialization scenarios and revenue projections for selenomethionine Se-75?

Featured snippet answer: A defensible revenue projection cannot be produced because (1) commercialization status and indication are not verifiable into a complete product plan, and (2) trial outcome data needed for adoption curves and uptake timing is not sufficiently available in a way that supports numeric forecasts.

Base case, upside case, downside case: what assumptions drive the model?

Featured snippet answer: Adoption model inputs (eligible patient counts, treatment cycles per patient, percent penetration, reimbursement rate, center capacity, and sequencing rules) cannot be validated for this product.

What market share could selenomethionine Se-75 capture if it succeeds?

Featured snippet answer: Share allocation cannot be calculated.

What is the plausible pricing and reimbursement range for Se-75 radiotherapeutics?

Featured snippet answer: Pricing bands cannot be anchored to an indication with verifiable payer behavior.

Timeline: key regulatory and clinical milestones (2024–2035)

Featured snippet answer: A milestone timeline with verified dates for selenomethionine Se-75 cannot be produced.


Key Takeaways

  • A complete, numbers-based clinical trials update for selenomethionine Se-75 cannot be produced from available validated public facts.
  • A defensible market landscape and 2026–2035 revenue projection cannot be produced without confirmed indication, development sponsor milestones, and verified regulatory pathway status.
  • Patent/exclusivity and Orange Book-type status cannot be assessed into litigation-grade conclusions without identifying the relevant regulatory product record and the active patent estate.

FAQs

  1. Is selenomethionine Se-75 FDA-approved in the US?
  2. What clinical trial registry entries exist for selenomethionine Se-75 and what phases are listed?
  3. What isotopes and radiochemistry approaches compete with Se-75 selenomethionine in radiotherapeutics?
  4. What manufacturing and radionuclide supply risks can delay Se-75 radiopharmaceutical commercialization?
  5. What are the typical endpoints used to evaluate radiolabeled selenomethionine candidates in oncology trials?

References

  1. (No cited sources available from the provided context.)

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