Subject: Gattex 1838-A SGM P2022
Policy:
I. INDICATIONS
The indications below including FDA-approved indications and
compendial uses are considered a covered benefit provided
that all the approval criteria are met and the member has no
exclusions to the prescribed therapy.
FDA-Approved Indication
Gattex is indicated for the treatment of adult and pediatric
patients 1 year of age and older with short bowel syndrome
(SBS) who are dependent on parenteral support.
All other indications are considered
experimental/investigational and not medically necessary.
II. DOCUMENTATION
Submission of the following information is necessary to initiate
the prior authorization review:
A. Initial requests
1. Adult members (greater than or equal to 18 years of
age): Chart notes supporting the use of parenteral
nutrition/intravenous (IV) fluids at least 3 times a week
for 12 months and current volume of parenteral
support in liters per week.
2. Pediatric members (less than 18 years of age): Chart
notes supporting the use of parenteral nutrition/IV
fluids to account for at least 30% of caloric and/or
fluid/electrolyte needs.
B. Continuation requests
1. Members who remain dependent on parenteral
nutrition/IV fluids: Chart notes supporting the continued
use of parenteral nutrition/IV fluids and current volume
of parenteral support in liters per week.
2. Members who were previously on parenteral nutrition
and have been weaned off parenteral nutrition/IV fluids
while on therapy with the requested drug: Chart notes
supporting the volume of parenteral support in liters per
week required at baseline.
III. CRITERIA FOR INITIAL APPROVAL
Short bowel syndrome (SBS)
A. Authorization of 6 months may be granted for treatment of
short bowel syndrome in adult members greater than or
equal to 18 years of age who have been dependent on
parenteral nutrition and/or intravenous (IV) fluids for at
least 12 months and receive parenteral nutrition and/or IV
fluids at least 3 times a week.
B. Authorization of 6 months may be granted for treatment of
short bowel syndrome in pediatric members less than 18
years of age who are receiving parenteral nutrition and/or
IV fluids to account for at least 30% of caloric and/or
fluid/electrolyte needs.
IV. CONTINUATION OF THERAPY
Short bowel syndrome (SBS)
A. Authorization of 6 months may be granted for continued
treatment in members requesting reauthorization when the
member remains dependent on parenteral nutrition and/or
intravenous (IV) fluids and whose requirement for
parenteral support has decreased by at least 20% from
baseline while on therapy with the requested drug.
B. Authorization of 6 months may be granted for continued
treatment in members requesting reauthorization when the
member who was previously dependent on parenteral
nutrition and/or IV fluids has been able to wean off the
requirement for parenteral support while on therapy with
the requested drug.
V. DOSAGE AND ADMINISTRATION
Approvals may be subject to dosing limits in accordance with
FDA-approved labeling, accepted compendia, and/or evidence-
based practice guidelines.
Place of Service:
Outpatient
The above policy is based on the following references:
- Gattex [package insert]. Lexington, MA: Shire-NPS Pharmaceuticals, Inc.; January 2021.
- Jeppesen PB, Pertkiewicz M, Messing B, et al. Teduglutide reduces need for parenteral support among patients with short bowel syndrome with intestinal failure. Gastroenterology. 2012; 143(6):1473-1481.
- Schwartz LK, O’Keefe SJD, Fujioka K, et al. Long-term teduglutide for the treatment of patients with intestinal failure associated with short bowel syndrome. Clin Transl Gastroenerol. 2016; 7(2):e142.
Copyright Aetna Inc. All rights reserved. Pharmacy Clinical Policy Bulletins are developed by Aetna to assist in administering plan benefits and constitute neither offers of coverage nor medical advice. This Clinical Policy Bulletin contains only a partial, general description of plan or program benefits and does not constitute a contract. Aetna does not provide health care services and, therefore, cannot guarantee any results or outcomes. Participating providers are independent contractors in private practice and are neither employees nor agents of Aetna or its affiliates. Treating providers are solely responsible for medical advice and treatment of members. This Clinical Policy Bulletin may be updated and therefore is subject to change.
December 11, 2022