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Ridaforolimus (AP23573/MK-8669) in Participants With Taxane-Resistant Androgen-Independent Prostate Cancer (AIPC)(MK-8669-017)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00110188
Recruitment Status : Completed
First Posted : May 5, 2005
Last Update Posted : November 20, 2015
Ariad Pharmaceuticals
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp.

Brief Summary:
The purpose of this study is to assess the antitumor activity of weekly ridaforolimus study treatment in participants with taxane-resistant AIPC.

Condition or disease Intervention/treatment Phase
Prostate Cancer Drug: ridaforolimus Phase 2

Detailed Description:
The primary objective of this phase II study is to assess the anti-cancer activity of weekly ridaforolimus administration in participants with taxane-resistant AIPC. Other objectives include evaluating experimental parameters that may predict or indicate response to mTOR inhibition, such as effects on plasma VEGF, markers of tumoral PI3K/mTOR-pathway activity, and proteomic analysis. The inclusion of these evaluations in this trial may provide insight into the identification of markers that may be helpful in optimizing ridaforolimus treatment and in identifying patients with ridaforolimus-sensitive tumors.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 39 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase II Study of the Efficacy and Safety of AP23573 in Patients With Taxane-Resistant Androgen-Independent Prostate Cancer (AIPC)
Study Start Date : May 2005
Actual Primary Completion Date : April 2007
Actual Study Completion Date : August 2007

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Prostate Cancer

Arm Intervention/treatment
Experimental: Ridaforolimus
50 mg of ridaforolimis intravenously over 30 minutes, weekly
Drug: ridaforolimus
Other Names:
  • deforolimus
  • AP23573
  • MK-8669
  • ridaforolimus was also known as deforolimus until May 2009

Primary Outcome Measures :
  1. Best Overall Response (BOR) per Response Evaluation Criteria in Solid Tumors (RECIST) [ Time Frame: Up to 24 months ]

Secondary Outcome Measures :
  1. Number of Participants Experiencing at Least One Adverse Event [ Time Frame: Up to 25 months ]
  2. Change from Baseline in Prostate-Specific Antigen (PSA) [ Time Frame: Baseline and up to 24 months ]
  3. Time to Tumor Progression (TTP) [ Time Frame: Up to 24 months ]
  4. Progression-Free Survival (PFS) [ Time Frame: Up to 24 months ]
  5. Overall Survival (OS) [ Time Frame: Up to 24 months ]
  6. Duration of Response (DOR) [ Time Frame: Up to 24 months ]
  7. Change from Baseline in Functional Assessment of Cancer Therapy - Prostate (FACT-P) Score [ Time Frame: Baseline and up to 24 months ]
  8. Change from Baseline in Plasma Vascular Endothelial Growth Factor (VEGF) [ Time Frame: Baseline and Day 28 of Cycles 1 and 2 (Up to 56 days) ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Male patients aged ≥ 18 years with histologically documented adenocarcinoma of the prostate.
  • Clinically refractory to hormone therapy (orchiectomy or luteinizing hormone-releasing hormone agonist/antagonist).
  • Presence of metastatic prostate cancer that fulfills at least one evaluation category as listed: * Measurable Disease: Lesion(s) that can be accurately measured in at least one dimension with the longest diameter ≥ 20 mm using conventional techniques or ≥ 10 mm with spiral CT scan (or otherwise at least twice the reconstruction interval for CT or MRI scans). *Non-measurable disease: Lesions noted on imaging studies (including metastatic bone lesions on bone scan) or other non-measurable lesions as defined by the modified RECIST criteria. *Progressive disease following a cytotoxic chemotherapy regimen for prostate cancer.
  • Previous treatment with at least one taxane-containing chemotherapy regimen. Patients may have received treatment with not more than 3 additional regimens of cytotoxic chemotherapy prior to study entry.
  • Orchiectomy, or castrate levels of testosterone maintained by LHRH agonist/antagonist < 50 ng/mL.
  • Predicted life expectancy > 12 weeks.
  • Eastern Cooperative Oncology Group Performance Status (ECOG PS) ≤ 2.
  • Adequate renal and hepatic function, defined as: *Total serum bilirubin ≤ 1.5 x ULN for the institution; *AST and/or ALT ≤ 3 x ULN for the institution (≤ 5 x ULN if liver metastases are present); *Serum albumin ≥ 2.5 g/dL; *Serum creatinine ≤1.5 x ULN for the institution (or a calculated creatinine clearance ≥ 50 mL/min/1.73m2)
  • Adequate bone marrow function, defined as: *ANC ≥ 1.5 x 10^9/L; *Platelet count ≥ 100 x 10^9/L
  • Serum cholesterol < 350 mg/dL and triglycerides < 400 mg/dL.
  • Male patients who are not surgically sterile must agree to use reliable methods of birth control for the duration of the study until 30 days after the last dose of study drug.
  • Able to understand and give written informed consent.

Exclusion Criteria:

  • Presence of active or progressive brain metastases.
  • Prior therapy with rapamycin, rapamycin analogues or tacrolimus.
  • Prior non-hormonal anticancer treatment (chemotherapy, radiotherapy, immunotherapy, biological response modifiers, signal transduction inhibitors, etc.) within 4 weeks prior to the first dose of ridaforolimus
  • Ongoing toxicity associated with prior anticancer therapy (except peripheral neuropathy of ≤ grade 1 by NCI toxicity criteria).
  • Another primary malignancy within the past three years (except for non-melanoma skin cancer).
  • Known or suspected hypersensitivity to drugs formulated with polysorbate 80 (Tween) or any other excipient contained in the study drug.
  • Known Grade 3 or 4 hypersensitivity to macrolide antibiotics (e.g., clarithromycin, erythromycin, azithromycin).
  • Significant uncontrolled cardiovascular disease.
  • Active infection requiring systemic therapy.
  • Known HIV infection.
  • Treatment with any investigational agent within 4 weeks prior to the first dose of ridaforolimus
  • Concurrent treatment with immunosuppressive agents other than prescribed corticosteroids at stable doses for ≥ 2 weeks prior to first planned dose of study drug.
  • Inadequate recovery from any prior surgical procedure or having undergone any major surgical procedure within 2 weeks prior to the first dose of ridaforolimus
  • Presence of any other life-threatening illness or organ system dysfunction which, in the opinion of the Investigator, would either compromise the patient's safety or interfere with evaluating the safety of the study drug.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00110188

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United States, California
Louis Warchaw Prostate Cancer Center, Cedars-Sinai Medical Center
Los Angeles, California, United States, 90048
United States, Massachusetts
Beth Israel Deaconess Medical Center/MGH/DFCI
Boston, Massachusetts, United States, 02215
United States, Texas
The Methodist Hospital Research Institute
Houston, Texas, United States, 77030
United States, Wisconsin
University of Wisconsin, Madison, WI
Madison, Wisconsin, United States, 53792
Sponsors and Collaborators
Merck Sharp & Dohme Corp.
Ariad Pharmaceuticals
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Study Director: Frank Haluska, M.D. Ariad Pharmaceuticals
Publications automatically indexed to this study by Identifier (NCT Number):
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Responsible Party: Merck Sharp & Dohme Corp. Identifier: NCT00110188    
Other Study ID Numbers: 8669-017
AP23573-04-204 ( Other Identifier: ARIAD protocol number )
First Posted: May 5, 2005    Key Record Dates
Last Update Posted: November 20, 2015
Last Verified: November 2015
Keywords provided by Merck Sharp & Dohme Corp.:
Additional relevant MeSH terms:
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Prostatic Neoplasms
Genital Neoplasms, Male
Urogenital Neoplasms
Neoplasms by Site
Prostatic Diseases
Anti-Bacterial Agents
Anti-Infective Agents
Antibiotics, Antineoplastic
Antineoplastic Agents
Antifungal Agents
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs