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A Study to Evaluate the Effect of MK-8669 (Ridaforolimus) on QTc Interval in Participants With Advanced Cancer (MK-8669-037)

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.
 
ClinicalTrials.gov Identifier: NCT00874731
Recruitment Status : Completed
First Posted : April 2, 2009
Results First Posted : May 6, 2019
Last Update Posted : May 6, 2019
Sponsor:
Information provided by (Responsible Party):
Merck Sharp & Dohme Corp.

Brief Summary:
To assess the potential for ridaforolimus to prolong the QTc interval (an effect on the electrical activity of the heart) in participants with advanced cancer. This study will be done in 2 parts. Part 1 (Pt 1) will evaluate the effect of a single 100 mg dose of ridaforolimus on QT interval in participants with advanced cancer. Fridericias's correction (QTcF) will be used. In Part 2 (Pt 2), participants will receive ridaforolimus at the current therapeutic dose (40 mg x 5 days).

Condition or disease Intervention/treatment Phase
Metastatic or Locally Advanced Cancer Drug: Ridaforolimus 100 mg Drug: Ridaforolimus 40 mg Drug: Placebo Phase 1

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 23 participants
Intervention Model: Single Group Assignment
Masking: Single (Participant)
Masking Description: Participants will be blinded to treatment during Part 1 only.
Primary Purpose: Treatment
Official Title: A Clinical Trial to Assess the Effect of Ridaforolimus (AP23573; MK-8669) on QTc Interval in Patients
Actual Study Start Date : April 28, 2009
Actual Primary Completion Date : October 30, 2009
Actual Study Completion Date : April 30, 2010

Arm Intervention/treatment
Experimental: Pt 1. Placebo/Ridaforolimus 100 mg; Pt 2. Ridaforolimus 40 mg
[Pt 1, Day 1]: Participants received a single dose of placebo (10 oral tablets) on Day 1 of Part 1. [Pt 1, Day 2]: Following completion of Part 1 / Day 1, participants received a single dose of ridaforolimus 100 mg (10 x 10 mg oral tablets) on Day 2 of Part 1. Following completion of Part 1 / Day 2, participants entered a washout period of ≥5 days before the first dose Part 2. [Pt 2]: Following completion of Part 1, participants received ridaforolimus 40 mg (4 x 10 mg oral tablets) given once daily (QD) for 5 consecutive days followed by 2 days off-drug.
Drug: Ridaforolimus 100 mg
Part 1: A single oral dose of 100 mg ridaforolimus (10 x 10 mg tablets) was given on Day 2.
Other Names:
  • AP23573
  • MK-8669
  • deforolimus (until May 2009)

Drug: Ridaforolimus 40 mg
Part 2 (optional): Ridaforolimus 40 mg (4 x 10 mg tablets) was received on a regimen of daily oral doses for 5 consecutive days followed by 2 days off-drug.
Other Names:
  • AP23573
  • MK-8669
  • deforolimus (until May 2009)

Drug: Placebo
Part 1: A single oral dose of placebo (10 x placebo tablets) was given on Day 1.




Primary Outcome Measures :
  1. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 0.5 Hours [ Time Frame: Baseline and 0.5 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 0.5 hours post-dose was assessed. At baseline (pre-dose) and at 0.5 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  2. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 1 Hour [ Time Frame: Baseline and 1 hour post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 1 hour post-dose was assessed. At baseline (pre-dose) and at 1 hour post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  3. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 2 Hours [ Time Frame: Baseline and 2 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 2 hours post-dose was assessed. At baseline (pre-dose) and at 2 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  4. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 3 Hours [ Time Frame: Baseline and 3 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 3 hours post-dose was assessed. At baseline (pre-dose) and at 3 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  5. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 4 Hours [ Time Frame: Baseline and 4 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 4 hours post-dose was assessed. At baseline (pre-dose) and at 4 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  6. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 6 Hours [ Time Frame: Baseline and 6 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 6 hours post-dose was assessed. At baseline (pre-dose) and at 6 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  7. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 8 Hours [ Time Frame: Baseline and 8 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 8 hours post-dose was assessed. At baseline (pre-dose) and at 8 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  8. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 10 Hours [ Time Frame: Baseline and 10 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 10 hours post-dose was assessed. At baseline (pre-dose) and at 10 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.

  9. Part 1. Mean Change From Baseline in Rate-Corrected (Fridericia's) QT Interval (QTcF) at 24 Hours [ Time Frame: Baseline and 24 hours post-dose on Days 1 & 2 of Part 1 ]
    The mean change from baseline (CFB) in QTcF at 24 hours post-dose was assessed. At baseline (pre-dose) and at 24 hours post-dose, 5 replicate electrocardiograms (ECGs) were collected to reduce measurement variability. The 5 replicate QTcF values were averaged to calculate the QTcF value for each participant. Further, each participant served as their own control for the calculation of CFB in QTcF after placebo and ridaforolimus 100 mg dosing. Additionally, CFB in QTcF after single ridaforolimus 100 mg dosing for each participant was adjusted for the CFB in QTcF observed after placebo dosing.


Secondary Outcome Measures :
  1. Number of Participants Experiencing an Adverse Event (AE) [ Time Frame: Up to 7 months ]
    The number of participants experiencing an AE was assessed. An AE was defined as any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an AE. Participants experiencing AEs were counted under the treatment they received when the AE occurred. Participants experiencing AEs during the washout period between Part 1 and Part 2 are counted in the "Pt 1, Day 2. Ridaforolimus 100 mg" arm.

  2. Number of Participants Discontinuing Study Treatment Due to an Adverse Event [ Time Frame: Up to 6 months ]
    The number of participants discontinuing study treatment due to an AE was assessed. An AE was defined as any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product or protocol-specified procedure, whether or not considered related to the medicinal product or protocol-specified procedure. Any worsening of a preexisting condition that is temporally associated with the use of the Sponsor's product, is also an AE. Participants discontinuing study treatment due to an AE were counted as discontinuing under the treatment they received when the AE occurred.



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:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Participant must have metastatic or locally advanced cancer which has failed to respond to standard therapy or no therapy exists.
  • If the participant is a female, she must be postmenopausal or if she is of childbearing potential she must have blood pregnancy tests during the study and be willing to use 2 methods of contraception.
  • If the participant is male and has female partners of child-bearing potential, he must agree to use a medically acceptable method of contraception during the study and for 30 days after the last dose of study drug.

Exclusion Criteria:

  • Participant has had chemotherapy, radiotherapy or biological therapy within the past 4 weeks.
  • Participant is currently receiving other anti-cancer therapy.
  • Participant is currently participating or has participated in a study with an investigation drug or device within the last 30 days.
  • Participant has a primary central nervous system tumor or active brain metastases.
  • Participant has a psychiatric disorder.
  • Participant uses illegal drugs.
  • Participant is pregnant or breastfeeding.
  • Participant is known to be human immunodeficiency virus (HIV) positive.
  • Participant has a known history of Hepatitis B or C.
  • Participant has newly diagnosed diabetes.
  • Participant has an active infection.
  • Participant is unable to swallow capsules.
  • Participant has received a blood transfusion with one week of study entry.
  • Participant has a history of cardiac problems including heart failure, myocardial infarction, unstable angina, congestive heart failure or cardiac arrhythmia.
  • Participant has a known sensitivity to the components of the study drug.
  • Participant has not adequately recovered from any prior surgical procedure.
  • Participant does not agree to refrain from use of herbal remedies and consumption of grapefruit juice for 2 weeks prior to and during the study.

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 ClinicalTrials.gov identifier (NCT number): NCT00874731


Sponsors and Collaborators
Merck Sharp & Dohme Corp.
Investigators
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Study Director: Medical Director Merck Sharp & Dohme Corp.

Publications of Results:
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Responsible Party: Merck Sharp & Dohme Corp.
ClinicalTrials.gov Identifier: NCT00874731    
Other Study ID Numbers: 8669-037
2009_569 ( Other Identifier: NIH )
MK-8669-037 ( Other Identifier: Merck Protocol Number )
First Posted: April 2, 2009    Key Record Dates
Results First Posted: May 6, 2019
Last Update Posted: May 6, 2019
Last Verified: April 2019
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: http://engagezone.msd.com/doc/ProcedureAccessClinicalTrialData.pdf
URL: http://engagezone.msd.com/ds_documentation.php
Additional relevant MeSH terms:
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Neoplasms
Sirolimus
Anti-Bacterial Agents
Anti-Infective Agents
Antibiotics, Antineoplastic
Antineoplastic Agents
Antifungal Agents
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs