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not enough recruitment
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The purpose of this study is to investigate if clinically non explainable high or low Prostate-specific antigen (PSA) levels are associated with heterophilic antibodies in the serum of participants. The investigators will examine if heterophilic antibodies are the reasons of altered PSA levels.
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| Measure | Description | Time Frame |
|---|---|---|
| Presence of heterophilic antibodies in the serum of participants | Heterophilic antibodies will be measured in the Blood serum of participants by sandwich Elisa assay | 1.5 years |
| Altered PSA levels due to the Presence of Heterophilic antibodies | If heterophilic antibodies were present in the serum of the participant, another PSA test will be ran after absorbance of heterophilic antibodies to investigate whether PSA levels are changed without the presence of heterophilic antibodies | 1.5 years |
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Inclusion Criteria:
Exclusion Criteria:
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Male, where a PSA measurement is planned
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Zürich | Zurich | 8091 | Switzerland |
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Blood serum of patients