GraftAssure Lowering Allograft rejeCTIon by Combination- (GALACTIC) Trial

Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorInsight Molecular Diagnostics

About this trial

The GALACTIC Registry study purpose is to validate the Combination Model-score (CM-score) for increased accuracy in the percentage of the positive predictive value (PPV) of allograft rejection results for the GraftAssure (GraftAssureCore and GraftAssureDx) assay. This will also be correlated with the biopsy yield and treatment decisions. The GraftAssure assay is a diagnostic test intended for the quantitative measurement of dd-cfDNA in plasma from kidney transplant recipients. The test is minimally invasive, and is intended to be used in conjunction with standard clinical assessment and other laboratory findings as an aid in the detection of allograft rejection.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

18 years of age or older.

≥ 2 weeks post-kidney transplant at the time of first sample collection.

Provides legally effective informed consent.

Agrees to comply with all study procedures.

Disqualifiers

Has received transplanted kidney from their identical twin.

Has a history of another previously transplanted organ in situ, other than a prior kidney transplant.

Has received an allogenic bone marrow graft or hematopoietic stem cell transplantation (HSCT).

Self-reports as pregnant.

Trial population

Adult kidney transplant recipients across up to 60 student centers in the United States.

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

Not listed

Trial groups

5,000 Participants
are grouped into 1 trial group
Group A: Kidney transplant recipients

Trial outcomes

Primary outcomes

1

Detect Rejection

Detection of rejection using fractional abundance (%) dd-cfDNA, absolute (cp/mL) dd-cfDNA, and a Combination Model-score of both of these values.

Time frame
7 years
2

Validate Superiority of Combination Model-score (CM-score)

Validate superiority of combined use of percent \& cp/mL dd-cfDNA values, defined as Combination Model-score, over individual dd-cfDNA percent and cp/mL values.

Time frame
7 years

Secondary outcomes

1

Association of dd-cfDNA levels

Association of dd-cfDNA levels and graft survival/retained function, retransplant, DSA development, and patient survival.

Time frame
7 years
2

Graft survival

Graft survival

Time frame
7 years
3

Biopsy rate and yield

Time frame
7 years
4

Time-to-intervention impact

Lower hospitalization rates, less severe rejection, lower treatment intensity.

Time frame
7 years

Other outcomes

Sponsors and contacts

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