Phase 2 HIV and AIDS Trial, Recruiting NCT04941274 Sponsor: National Cancer Institute (NCI) Condition: HIV and AIDS
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Phase 2 HIV and AIDS Trial, Recruiting

NCT04941274
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 who have been diagnosed with Kaposi sarcoma (KS), confirmed by the NCI Laboratory of Pathology.
  • People who have at least five measurable KS skin lesions that have not been treated with local radiation, surgery, or injected chemotherapy (depending on which group within the trial a person is assigned to), and/or measurable disease detectable by standard imaging criteria.
  • People who are HIV-positive or HIV-negative may be considered.
  • People who are able to swallow tablets or capsules.
  • People whose blood counts and organ function meet certain minimum levels — including white blood cells, platelets, haemoglobin, liver function, kidney function, and heart function — as determined by blood tests and a heart scan (confirm with trial site for exact values).
  • People who have received at least one prior systemic (whole-body) treatment for KS that either stopped working, showed limited response, or caused the disease to progress (this applies to certain groups within the trial).
  • People in certain groups who have not previously received systemic treatment for KS (confirm with trial site which group applies).
  • People with advanced-stage KS (Stage T1) that involves swelling, ulcerated lesions, extensive lesions in the mouth, and/or internal organ involvement (for one specific group within the trial).
  • People who previously received the study drug abemaciclib and showed at least a partial response to it (for one specific group within the trial), provided they were previously enrolled in an earlier group of this trial and did not stop treatment due to a serious side effect from abemaciclib.
  • People aged 18 years or older.
  • People with a general health and activity level rated as reasonably functional, as assessed using standard medical scales (confirm with trial site).
  • People living with HIV who are on effective antiretroviral therapy (ART) — medication that controls HIV — for at least 8 weeks before joining, with no signs of KS improvement over the most recent 4 weeks.
  • People willing to continue taking their antiretroviral therapy as prescribed.
  • People with a history of hepatitis B who have an undetectable hepatitis B virus level while on appropriate treatment.
  • People with a history of hepatitis C who have been successfully treated and cured, or who are currently being treated and have an undetectable hepatitis C virus level.
  • People without any current severe, uncontrolled infections (bacterial, viral, or fungal).
  • People with a history of heart-related conditions whose heart function is assessed as Class 2B or better using a standard heart health classification system.
  • People who are able to use highly effective contraception (such as an intrauterine device, hormonal contraception, surgical sterilisation, or abstinence) during the trial and for up to 4 months after finishing the study drug — this applies to people who could become pregnant.
  • People who are able to father a child must agree to use effective contraception (such as a barrier method, surgical sterilisation, or abstinence) during the trial and for up to 4 months after finishing the study drug, and their partners of childbearing potential should also use effective contraception.
  • People who are currently breastfeeding must be willing to stop breastfeeding if enrolled and treated with abemaciclib, due to potential risks to the infant.
  • People who are able to understand the trial and are willing to sign a written consent form.

Who may not be able to join:

  • People who have received chemotherapy or immunotherapy within the 3 weeks before joining the trial.
  • People who have had radiotherapy and have not yet fully recovered from its immediate side effects, or where fewer than 14 days have passed since completing radiotherapy.
  • People who still have ongoing side effects (above a mild level) from previous cancer treatment, with the exception of hair loss or nerve-related symptoms.
  • People who are currently taking part in another clinical trial involving an investigational treatment.
  • People who have had a severe allergic reaction to a drug that is chemically similar to CDK inhibitors (the class of drug being studied).
  • People taking certain medications — specifically strong or moderate inhibitors of a liver enzyme called CYP3A4 — unless appropriate dose adjustments are made (confirm with trial site).
  • People with a serious or uncontrolled illness that, in the treating doctor's judgement, would make participation unsafe or not appropriate.
  • People with active KSHV-associated multicentric Castleman disease, a related inflammatory condition called KSHV-associated inflammatory cytokine syndrome, or a cancer called primary effusion lymphoma.
  • People with a mental health condition or personal circumstances that would make it difficult to follow the trial requirements.
  • People who are currently pregnant.
  • People with interstitial lung disease (a group of conditions that cause scarring or inflammation in the lungs).

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 22 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

Principal Investigator: Ramya M Ramaswami, M.D., National Cancer Institute (NCI)

Phone: (240) 760-6074

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

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 2
Registry
ClinicalTrials.gov
Start date
29 September 2021
Est. completion
1 March 2028

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

safety and tolerability of abemaciclib; overall response rate

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: 22 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