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Vorinostat (SAHA) in Uterine Sarcoma

A Pilot Study of Peroral Vorinostat (SAHA) in Patients With Refractory Histone Deacetylase-positive Uterine Sarcoma

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03509207
Enrollment
3
Registered
2018-04-26
Start date
2017-12-14
Completion date
2019-02-04
Last updated
2020-08-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Carcinosarcomas Uterine, Endometrial Stromal Tumors, Leiomyosarcoma

Keywords

Uterine sarcoma, Histone deacetylases

Brief summary

Uterine sarcomas are rare tumors with a poor prognosis. The main purpose of this phase II proof-of-principle- pilot study is to test the efficacy of the hydroxamic acid-based Histone deacetylase inhibitor (HDACI) Vorinostat (SAHA) as monotherapy in patients with HDAC-positive, progressive, metastatic uterine sarcomas and mixed epithelial and mesenchymal tumors after prior anti-proliferative therapy.

Detailed description

This is an open-label, single arm, proof of concept-study of the HDAC-inhibitor vorinostat in patients with refractory uterine sarcoma that have been pre-tested for an high expression of HDAC. Patients will receive Vorinostat, 400 mg (4 capsules á 100mg of Zolinza) orally once daily for the first 14 days of a 21 day cycle. Treatment will be continued for 4 cycles (treatment period 1). Patients with a response or stable disease after 4 cycles as determined by computed tomography (CT) of target an non target-lesions will be continued on vorinostat therapy at the tolerated schedule and dosage until disease progression, unacceptable toxicity or patients' withdrawal of the consent. At the maximum, a total of 12 cycles will be administered over a 9 months period (treatment periods 2 and 3).

Interventions

DRUGVorinostat Oral Capsule

Vorinostat, 400 mg orally once daily for the first 14 days of a 21 day cycle Treatment will be continued for 4 cycles. Patients with a response or stable disease after 4 cycles will be continued on vorinostat therapy at the tolerated schedule and dosage until disease progression, unacceptable toxicity or patients' withdrawal of the consent. At the maximum, a total of 12 cycles will be administered over a period of 9 months.

Sponsors

Medical University of Graz
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Histologically confirmed metastatic uterine sarcoma (endometrial stromal sarcoma, undifferentiated uterine sarcoma, leiomyosarcoma, adenosarcoma and carcinosarcoma * High HDAC-positivity of the tumor determined by immunohistochemistry * Patients must have received prior systemic antineoplastic therapy * Patient is not amenable for curative therapy * Age \>= 18 years * Estimated life expectancy \> 3 months * Measurable disease on CT/MRI (at least one measurable lesion \>1cm) or chest X-ray (at least one measurable lesion \>2cm) * Karnofsky performance status of 60-100 * Adequate hematologic, renal and hepatic function * Subject is able to swallow and retain oral medication and does not have uncontrolled emesis * No fertility preserved * Written informed consent

Exclusion criteria

* Lack of or low expression of HDAC (see 4.1 Pre-Screening) * Significant cardiac disease * Other invasive malignant tumor diagnosed within the last 5 years (e.g. metastases from breast cancer in the last 3 years) * Significant bowel obstruction * Severe uncontrolled infection * Known HIV-positivity * Symptomatic brain metastasis or leptomeningeal disease * Pre-existing significant liver disease, severe hepatic impairment (Bilirubin no greater than 1.5 times upper limit of normal (ULN) and/or aspartate aminotransferase (AST)/ alanine aminotransferase (ALT) greater than 2.5 times ULN) * Known history of allergic reaction to vorinostat or similar medications * Systemic therapy or an investigational agent within 21 days prior to study inclusion * Uncontrolled hypertension (sustained systolic blood pressure \> 150 mmHg or diastolic pressure \> 100 mmHg despite optimal medical management) * Major surgery within 3 weeks of enrollment when diagnosed at an early stage * Symptomatic congestive heart failure * Unstable angina pectoris or cardiac arrhythmia * Myocardial infarction within last 6 months * Known active hepatitis B or hepatitis C * Psychiatric illness/social situations that would limit compliance with study requirements- * Prior history of thrombotic or thromboembolic events, unless adequately controlled by anticoagulant therapy

Design outcomes

Primary

MeasureTime frameDescription
Progression-free Survival (PFS)9 monthsChange from Baseline Tumor Size to last available observation with respect to progress as defined by RECIST 1.1 (CT-Scan every 12 weeks up to 9 months)

Secondary

MeasureTime frameDescription
Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)9 monthsThis endpoint is evaluated by the amount of clinical adverse experiences.

Countries

Austria

Participant flow

Recruitment details

3 patients were enrolled. The study was prematurely closed due to the sluggish patient recruitment and the difficult acquisition of the investigational product.

Pre-assignment details

There were no Screening failures in the Course of the study.

Participants by arm

ArmCount
Vorinostat, Zolinza Oral Capsules
Vorinostat Oral Capsules 400mg daily Vorinostat Oral Capsule: Vorinostat, 400 mg orally once daily for the first 14 days of a 21 day cycle Treatment will be continued for 4 cycles. Patients with a response or stable disease after 4 cycles will be continued on vorinostat therapy at the tolerated schedule and dosage until disease progression, unacceptable toxicity or patients' withdrawal of the consent. At the maximum, a total of 12 cycles will be administered over a period of 9 months.
3
Total3

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyDeath2

Baseline characteristics

CharacteristicVorinostat, Zolinza Oral Capsules
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
3 Participants
Race and Ethnicity Not Collected— Participants
Region of Enrollment
Austria
3 participants
Sex: Female, Male
Female
3 Participants
Sex: Female, Male
Male
0 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
2 / 3
other
Total, other adverse events
0 / 3
serious
Total, serious adverse events
2 / 3

Outcome results

Primary

Progression-free Survival (PFS)

Change from Baseline Tumor Size to last available observation with respect to progress as defined by RECIST 1.1 (CT-Scan every 12 weeks up to 9 months)

Time frame: 9 months

Population: Only one Patient reached the first end Point. Statistical Evaluation was therefore not possible. For this reason no data are reported in the data table.

Secondary

Incidence of Treatment-Emergent Adverse Events (Safety and Tolerability)

This endpoint is evaluated by the amount of clinical adverse experiences.

Time frame: 9 months

Population: Only one Patient reached the first end Point. Statistical Evaluation was therefore not possible.~For this reason no data are reported in the data table.

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026