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Seaweed supplement shows promise for cancer-related fatigue in small pilot trial

NCT ID NCT06295588

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Sep 11, 2026 · Updated 2 times

Summary

This pilot study tests whether taking a seaweed supplement called fucoidan for 8 to 16 weeks can reduce fatigue and inflammation in cancer survivors. Researchers will enroll 40 adults who have completed cancer treatment within the last 10 years and still feel tired. The main goal is to see if the study is feasible, but they will also measure changes in fatigue, frailty, and blood markers of inflammation.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
fucoidan (a seaweed supplement)
What this could lead to
If it works, this could point toward a natural supplement to ease fatigue and inflammation in cancer survivors.
What could go wrong
This is a small, early pilot study with only 40 people. It's testing feasibility, not yet effectiveness, and results may not apply to all survivors.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2025

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Survivors of cancer * Age 18 or older * Speak and understand English * Have completed surgery, radiation, and/or systemic intravenous anticancer therapy (e.g., chemotherapy, targeted therapy, immunotherapy) ≤10 years prior to enrollment. * Have a baseline level of fatigue, as determined by reporting a score of 4 or higher for the question, "In the last week, how bad was your worst fatigue on a scale from 0-10?" * Be willing to commit to the fucoidan supplement dosing and delivery method, to complete evaluation instruments, and to attend all study visits. * Completed Informed Consent Exclusion Criteria: * Current warfarin or other anti-coagulation medication use. * Current use of supplements that contain fucoidan * Any allergy to fucoidan * Be diagnosed with a major psychiatric illness requiring hospitalization within the last year. * Be diagnosed with dementia. * Be pregnant or nursing

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Conditions

The condition(s) this trial relates to.

Fatigue Inflammation inflammatory disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • University of Rochester Medical Center

    Rochester, New York, 14642, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.