Safety, Tolerability, Pharmacokinetics, And Pharmacodynamics Study Of PF-04447943, Co-Administered With And Without Hydroxyurea, In Subjects With Stable Sickle Cell Disease
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ClinicalTrials.gov Identifier: NCT02114203 |
Recruitment Status :
Completed
First Posted : April 15, 2014
Results First Posted : December 14, 2017
Last Update Posted : December 14, 2017
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Sponsor:
Pfizer
Information provided by (Responsible Party):
Pfizer
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Study Type | Interventional |
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Study Design | Allocation: Randomized; Masking: Triple (Participant, Care Provider, Investigator); Primary Purpose: Basic Science |
Condition |
Phase 1 Sickle Cell |
Interventions |
Drug: PDE9i Drug: placebo for PDE9i |
Enrollment | 30 |
Participant Flow
Recruitment Details | |
Pre-assignment Details | Overall, a total of 30 potential participants were randomized to the study, and 29 of them were assigned to and received study treatment, 1 participant in the PF-04447943 25 mg twice daily (BID) treatment group withdrew from the study after randomization but prior to study treatment. |
Arm/Group Title | PF-04447943 5 mg BID | PF-04447943 25 mg BID | Placebo |
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PF-04447943 tablet was administered orally at 5 mg twice daily (BID) for up to 29 days. | PF-04447943 tablet was administered orally at 25 mg twice daily (BID) for up to 29 days. | Placebo matched to PF-04447943 tablet was administered orally twice daily (BID) for up to 29 days. |
Period Title: Overall Study | |||
Started | 7 | 16 | 7 |
Completed | 7 | 14 | 7 |
Not Completed | 0 | 2 | 0 |
Reason Not Completed | |||
Adverse Event | 0 | 1 | 0 |
Withdrawal by Subject | 0 | 1 | 0 |
Baseline Characteristics
Arm/Group Title | PF-04447943 5 mg BID | PF-04447943 25 mg BID | Placebo | Total | |
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PF-04447943 tablet was administered orally at 5 mg twice daily (BID) for up to 29 days. | PF-04447943 tablet was administered orally at 25 mg twice daily (BID) for up to 29 days. | Placebo matched to PF-04447943 tablet was administered orally twice daily (BID) for up to 29 days. | Total of all reporting groups | |
Overall Number of Baseline Participants | 7 | 16 | 7 | 30 | |
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Baseline analysis population included all participants who were randomized.
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Age, Continuous
Mean (Standard Deviation) Unit of measure: Years |
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Number Analyzed | 7 participants | 16 participants | 7 participants | 30 participants | |
37.9 (10.6) | 36.3 (11.0) | 39.4 (14.0) | 37.4 (11.3) | ||
Sex: Female, Male
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 7 participants | 16 participants | 7 participants | 30 participants | |
Female |
3 42.9%
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10 62.5%
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5 71.4%
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18 60.0%
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Male |
4 57.1%
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6 37.5%
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2 28.6%
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12 40.0%
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Outcome Measures
Adverse Events
Limitations and Caveats
[Not Specified]
More Information
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts
the PI's rights to discuss or publish trial results after the trial is completed.
Pfizer has the right to review disclosures, requesting a delay of less than 60 days. Investigator will postpone single center publications until after disclosure of pooled data (all sites), less than 12 months from study completion/termination at all participating sites. Investigator may not disclose previously undisclosed confidential information other than study results.
Results Point of Contact
Name/Title: | Pfizer ClinicalTrials.gov Call Center |
Organization: | Pfizer, Inc. |
Phone: | 1-800-718-1021 |
EMail: | ClinicalTrials.gov_Inquiries@pfizer.com |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Pfizer |
ClinicalTrials.gov Identifier: | NCT02114203 |
Other Study ID Numbers: |
B0401016 2014-001677-13 ( EudraCT Number ) |
First Submitted: | April 7, 2014 |
First Posted: | April 15, 2014 |
Results First Submitted: | July 17, 2017 |
Results First Posted: | December 14, 2017 |
Last Update Posted: | December 14, 2017 |