GlobalRPh Renal Dosing Masterv7.4
Renal Dosing Master: fast drug lookup
Source review / handoff

Retifanlimab - ZYNYZ IV infusion

One or two intact local summaries. No averaged regimen, patient-specific dose or automatic source preference.

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Clinical context remains essential

Independent clinical review is pending. Confirm indication, exact formulation/route, population, renal measure and units, kidney-function stability, dialysis prescription, interacting drugs, monitoring and source revision. An RX mirror and its original label are not independent corroboration. Missing disagreement notes do not certify agreement.

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ZYNYZ: baseline renal PK versus immune-mediated nephritis

Product / population
Adult IV ZYNYZ for labeled oncology indications. Baseline pharmacokinetics and immune-mediated nephritis management are different questions.
Renal method
Baseline eGFR >=26 mL/min/1.73 m2; toxicity decisions use CTCAE creatinine-increase grade
Source revision
05/2026
Retrieved
2026-11-07
Local review status
Selected named sections summarized; not a complete monograph or independent clinician approval.

Documented differences and cautions on this drug

All record notes are retained here, including notes about sources not selected in this review.

Baseline renal PK and immune nephritis are not interchangeable guidance

An acceptable baseline renal PK profile does not authorize continuing treatment through immune-mediated kidney injury.

What to reconcile: Grade toxicity separately and apply the current label hold, steroid and discontinuation criteria.

Selected-source comparison; independent clinician adjudication pending.

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Official

ZYNYZ: baseline renal PK versus immune-mediated nephritis

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DailyMed / product prescribing information · Adult IV ZYNYZ for labeled oncology indications. Baseline pharmacokinetics and immune-mediated nephritis management are different questions.

Renal method: Baseline eGFR >=26 mL/min/1.73 m2; toxicity decisions use CTCAE creatinine-increase grade
Source date: 05/2026
Retrieved: 2026-11-07

Pharmacokinetic observation only. A drug-exposure observation is not itself a dose recommendation.
Before using this finding

eGFR >=26 mL/min/1.73 m2 studied; dialysis not established.

Dialysis evidence: No dialysis regimen established in selected content

Selected named sections summarized; not a complete monograph or independent clinician approval.

Section 12.3 and Table 1, nephritis with renal dysfunction

Section 12.3 and Table 1, nephritis with renal dysfunction
SituationSource-specific guidance
Baseline renal PKStudied eGFR >=26 mL/min/1.73 m2; not a dialysis protocol.
Nephritis: grade 2 or 3 creatinine increaseWithhold; apply the full resumption criteria.
Nephritis: grade 4 creatinine increasePermanently discontinue.
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Baseline eGFR at least 26 mL/min/1.73 m2 did not meaningfully affect exposure. This does not waive nephritis precautions. For nephritis with renal dysfunction, withhold for grade 2 or 3 creatinine increases and permanently discontinue for grade 4. Resume only after improvement to grade 0-1 and steroid taper. Permanently discontinue if resolution is not achieved within 12 weeks of starting steroids or prednisone-equivalent dosing cannot fall below 10 mg/day within 12 weeks. No dialysis regimen is established by the selected PK analysis.

RDM71-retifanlimab-zynyz-label-1 · Source locator: Section 12.3 and Table 1, nephritis with renal dysfunction

Source identity and provenance
Source family
product_label
Source
https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=109648d0-d30a-42fc-8273-39cb1540a751
Retrieved
2026-11-07
Renal-function method
Baseline eGFR >=26 mL/min/1.73 m2; toxicity decisions use CTCAE creatinine-increase grade
Source date/version
05/2026
Hash meaning
Locally authored summary text; not original source HTML, XML or PDF bytes
Local summary SHA-256
1ed1d8fa69de925250e7077507978d9f0904b162f0db1cdfe77469421a14d281

Document the clinical decision separately

This reference does not select a regimen. Complete the indication, measured/estimated renal function and trend, dialysis setting, source rationale, monitoring and reassessment plan in your institution's approved documentation system. Confirm the complete current source before adopting its regimen.

GlobalRPh Renal Dosing Master v7.4. Review the retrieval and revision dates attached to each source. Selecting a reference does not imply clinical verification.

Pinned reference: https://globalrph.com/blogCalcs/renal-dosing-master/compare.php?id=retifanlimab-zynyz&s1=RDM71-retifanlimab-zynyz-label&h1=fdca62ab03e5073255194ca09b4387aee7634a2bf6ed8569d558df21df3e02d2

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