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New drug combo shows promise for Tough-to-Treat anal cancer

NCT ID NCT06669572

Disease control Sponsor: University of Chicago Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study tests whether combining two drugs, lenvatinib and pembrolizumab, can shrink or control advanced anal or rectal cancer that has spread and stopped responding to standard chemotherapy. About 35 adults with this type of cancer will receive the drug combination. The goal is to see how many patients experience tumor shrinkage or disease stabilization.

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 35 people

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

Started

Jul 2025

Expected to finish

Mar 2029

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: * Histological confirmation of anorectal squamous cell carcinoma per the American Joint Committee on Cancer 8th edition. NOTE: If archived tissue is not available for diagnostic histological confirmation \[core, incisional, or excisional\], a new biopsy of a tumor lesion prior to tumor irradiation should be obtained. * Unresectable locally advanced or metastatic anorectal squamous cell carcinoma following progression on first line chemotherapy or chemoradiation therapy. Prior use of immunotherapy with Retifanlimab is allowed but not mandatory. * Prior chemoradiation therapy with either definitive intent or palliative intent is allowed. * Measurable disease based on Response Evaluation Criteria In Solid Tumors 1.1 Lesions situated in a previously irradiated area are considered measurable if progression has been demonstrated in such lesions within 28 days prior to registration. Exclusion Criteria: * Has received prior therapy with an anti-PD-1, anti- PDL1, or anti-PD-L2 agent or with an agent directed to another stimulatory or co-inhibitory T cell receptor (eg, CTLA-4, OX-40, CD137) with the exception of Retifanlimab immunotherapy. * Prior significant immunotherapy related adverse events requiring permanent discontinuation of the immunotherapy agents including events like pneumonitis, myocarditis, renal failure, Guillain Barre syndrome or myasthenia gravis. * Active autoimmune disease with ongoing treatment with chronic immunosuppressive therapy such as DMARDs .

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Conditions

The condition(s) this trial relates to.

anal squamous cell carcinoma rectal cancer squamous cell carcinoma

As listed by the trial registrant

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

Anorectal cancer Carcinoma, squamous cell

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Chicago Medicine Comprehensive Cancer Center

    RECRUITING

    Chicago, Illinois, 60637, United States

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