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Chemoprevention of Anal Neoplasia Arising Secondary to Anogenital Human Papillomavirus Infection in Persons With HIV Infection.

NCT00000764

CompletedPhase 1

Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

Conditions: HIV Infections, Anus Neoplasms

Interventions: Isotretinoin, Interferon alfa-2a

Countries: United States

PRIMARY: In Phase I, to define a broadly tolerable dose of isotretinoin that can be used in combination with interferon alfa-2a (IFN alfa-2a). In Phase II, to determine trends in efficacy of isotretinoin alone or in combination with IFN alfa-2a as chemoprevention (preventing progression or recurrence) of anal intraepithelial neoplasia ( AIN ) / squamous intraepithelial lesions ( SIL ) in patients with HIV infection. SECONDARY: To evaluate the effects of isotretinoin alone or in combination with IFN alfa-2a on immune function markers, human papillomavirus (HPV) type, and HPV DNA levels. Patients with HIV infection have a significant risk of recurrence following local ablation of intraepithelial neoplasia; thus, anogenital epithelial may become an increasingly important cause of morbidity, and possibly mortality, as the HIV epidemic matures. Clinical studies of non-HIV-infected subjects have established that synthetic retinoids inhibit the progression of epithelial preneoplastic conditions and some neoplastic states.

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria

Concurrent Medication:

Allowed:

* PCP prophylaxis (required for patients with CD4 count \< 200 cells/mm3).
* Chemoprophylaxis for candidiasis and herpes simplex.
* Metronidazole for up to 14 days.
* Erythropoietin.

Patients must have:

* HIV seropositivity.
* NO active opportunistic infection requiring treatment with prohibited drugs.
* Phase I - Current grade 1 AIN (i.e., low grade SIL) OR treated or untreated grade 2 or 3 AIN (i.e., high grade SIL).

Phase II - Prior histologically confirmed grade 2 or 3 AIN / high grade SIL, with ablative therapy within the past 30-90 days.

* Capability of complying with study protocol.

NOTE:

* The terms condyloma, grade 1 AIN, and low grade SIL are interchangeable. Grade 2 or 3 AIN is interchangeable with high grade SIL.

Exclusion Criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

* Active medical problems for which the patient is undergoing evaluations or for which prohibited therapy is required.
* Other active malignancies requiring systemic therapy.
* Significant symptomatic cardiac disease.

NOTE:

* Patients with malignancies being managed with local therapy (e.g., Kaposi's sarcoma, basal cell carcinoma) may enroll at the discretion of the site investigator.

Concurrent Medication:

Excluded:

* G-CSF (filgrastim).
* Myelosuppressive antibiotics (except co-trimoxazole for PCP prophylaxis).
* Corticosteroids.
* Biologic response modifiers.
* Cytotoxic chemotherapy.

Concurrent Treatment:

Excluded:

* Radiation therapy.

Patients with the following prior conditions are excluded:

History of ventricular arrhythmias or myocardial infarction.

Prior Medication:

Excluded within 20 days prior to study entry:

* G-CSF (filgrastim).
* Myelosuppressive antibiotics (except co-trimoxazole for PCP prophylaxis).
* Corticosteroids.
* Biologic response modifiers.
* Cytotoxic chemotherapy.

Prior Treatment:

Excluded within 20 days prior to study entry:

* Radiation therapy.

Excluded within 14 days prior to study entry:

* Transfusion.

Active substance abuse or illegal drug use (alcohol consumption is strongly discouraged).

Locations (1)

Seattle, Washington, United States