510(k) Report

510(k) · Cleared

Cleared

Relizorb

K161247510(k) TraditionalCleared Jun 30, 201658-day reviewClass II21 CFR 876.5985

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Alcresta Therapeutics, Inc. · PLQ Enzyme Packed Cartridge

Cleared on Jun 30, 2016 as substantially equivalent to DEN150001 (Alcresta, Inc., 2015) after a 58-day review. Its family tree reaches back 1 generation to 2015. 6 later devices descend from it.

Decided
Jun 30, 2016
Review
58 days
Class
Class II
Product code
PLQ
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to DEN150001 (2015). 6 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2017: 1 descendant cleared2019: 1 descendant cleared2023: 2 descendants cleared2025: 2 descendants clearedDEN150001 · Relizorb · Alcresta, Inc. · 2015201620182020202220242026
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 1 descendant3 generations forward: 1 descendant4 generations forward: 1 descendant5 generations forward: 1 descendant DEN150001 · Relizorb · Alcresta, Inc. · 20150+5
  1. Root · 1 generation backDEN150001 RelizorbAlcresta, Inc. · 2015
  2. This deviceK161247 RelizorbAlcresta Therapeutics, Inc. · 2016
  3. Descendant · cites it directly · 5 of its ownK163057 RelizorbAlcresta Therapeutics, Inc. · 2017
  4. Descendant · cites it directly · 4 of its ownK191379 RELiZORBAlcresta Therapeutics, Inc. · 2019
  5. Descendant · 2 generations on · 3 of its ownK231156 Enzyme Packed Cartridge - RELiZORBAlcresta Therapeutics, Inc. · 2023
  6. Descendant · 3 generations on · 2 of its ownK232784 RELiZORB®Alcresta Therapeutics, Inc. · 2023
  7. Descendant · 4 generations on · 1 of its ownK243284 RELiZORB (100300/ 100301)Alcresta Therapeutics, Inc. · 2025

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2017: 12019: 12023: 22025: 2
2017high 2 (2023) · low 0 (2018)2026

Most influential descendants

Showing 5 of 6 · See all
  • K163057RelizorbAlcresta Therapeutics, Inc. · 2017 · cites it directly5descendants
  • K191379RELiZORBAlcresta Therapeutics, Inc. · 2019 · cites it directly4descendants
  • K231156Enzyme Packed Cartridge - RELiZORBAlcresta Therapeutics, Inc. · 2023 · 2 generations on3descendants
  • K232784RELiZORB®Alcresta Therapeutics, Inc. · 2023 · 3 generations on2descendants
  • K243284RELiZORB (100300/ 100301)Alcresta Therapeutics, Inc. · 2025 · 4 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1DEN150001RelizorbAlcresta, Inc.2015—
0 (this device)K161247RelizorbAlcresta Therapeutics, Inc.2016—
+1K163057RelizorbAlcresta Therapeutics, Inc.2017—
+1K191379RELiZORBAlcresta Therapeutics, Inc.2019—
+2K231156Enzyme Packed Cartridge - RELiZORBAlcresta Therapeutics, Inc.2023—
+3K232784RELiZORB®Alcresta Therapeutics, Inc.2023—
+4K243284RELiZORB (100300/ 100301)Alcresta Therapeutics, Inc.2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201710
201910
202320
202520
FIG. 1 — Lineage of K161247, 2015–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in PLQ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new PLQ device

  1. #1 K243284 RELiZORB (100300/ 100301)score 13.2 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*DEN150001Relizorb
Summary page 4
…Common Name: Enzyme Packed Cartridge Subject device 21 CFR 876.5985, Product code PLQ classification Predicate Device: RELiZORB™, DEN150001 Predicate device 21 CFR 876.5985, Product code PLQ classification Device Description: The RELiZORB devic…
Alcresta, Inc.2015—

Also cleared against DEN150001: 2 other devices →

What descends from it? (6)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K163057RelizorbAlcresta Therapeutics, Inc.20175
K191379RELiZORBAlcresta Therapeutics, Inc.20194

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has no recall.
  • Of its descendants, K163057 (Alcresta Therapeutics, Inc., 2017) has gone furthest, with 5 descendants of its own.
  • 2 other devices also cite its predicate DEN150001.

How does its category compare?

All PLQ devices

PLQ Enzyme Packed Cartridge: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · PLQ

2in 2025

2015: 12016: 12017: 12019: 12023: 22025: 2
2007high 2 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PLQ

Too few PLQ 510(k)s in any year since 2007 to give a median.

Recalls per year · PLQ

No recall names PLQ since 2007.

Adverse event reports per year · PLQ

2in 2025

2018: 12019: 32020: 42021: 12024: 32025: 2
2007high 4 (2020) · low 0 (2007)2025

MAUDE reports naming product code PLQ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20151—00
20161—00
20171—00
20180—01
20191—03
20200—04
20210—01
20220—00
20232—00
20240—03
20252—02
20260—0—

What is it indicated for?

RELiZORB™ is indicated for use in adults to hydrolyze fats in enteral formula

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K161247: Relizorb.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161247

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026