- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT07720414
Effects of GLP-1 RAs on Human Lactation Outcomes
There is increasing interest in using GLP-1 Receptor Agonist (GLP-1 RA) medications after pregnancy. This study is designed to determine if these medications affect breastmilk production or the nutritional makeup of breastmilk.
The main questions the study will address are:
- Does GLP-1 RA-induced weight loss increase or decrease breastmilk production?
- Does GLP-1 RA-induced weight loss affect the nutritional composition of milk, including milk fat content?
Researchers will assess milk production rates before and after mothers begin taking injected GLP-1 RA medications to decrease their body weight. Weight loss will be confirmed with 7-day body weight averages.
Participants will:
- Weigh themselves and report measurements daily.
- Participate in 2-3 morning study visits over approx. 2.5-4.5 months (approx. 3-3.5hrs each).
During each visit, participants will:
- Use a study provided breastpump to express milk 3 times hourly for measurement of hourly milk production.
- Provide 1-3 oz of milk for further study.
- Answer questions about breastfeeding patterns.
Studieöversikt
Status
Betingelser
Intervention / Behandling
Studietyp
Inskrivning (Beräknad)
Kontakter och platser
Studiekontakt
- Namn: Jayne F Martin Carli, PhD
- Telefonnummer: 303-724-3981
- E-post: jayne.martincarli@cuanschutz.edu
Studera Kontakt Backup
- Namn: Jacinda M Nicklas, MD, MPH
- Telefonnummer: 303-724-9028
- E-post: jacinda.nicklas@cuanschutz.edu
Studieorter
-
-
Colorado
-
Aurora, Colorado, Förenta staterna, 80045
- Rekrytering
- University of Colorado Anschutz School of Medicine
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
- Barn
- Vuxen
- Äldre vuxen
Tar emot friska volontärer
Testmetod
Studera befolkning
Beskrivning
Inclusion Criteria:
- Breastfeeding mothers of single or multiple infants.
- Milk removal at least 4x daily
- Eligible for a GLP-1 RA administered subcutaneously (oral GLP-1 RAs contain absorption enhancers, which may drive accumulation in milk)
- Access to a breastpump, if needed for maintaining breastfeeding behaviors.
- Willingness to provide 1-3 oz of breastmilk per study visit.
- Willingness to track and report body weight daily.
- Willingness to maintain breastfeeding behaviors for the duration of the study.
Exclusion Criteria:
- Currently taking GLP-1 RA medication or other weight loss medication
- Induced lactation, due to unknowns regarding the durability of the mammary gland's milk production after exogenous stimulation.
Studieplan
Hur är studien utformad?
Designdetaljer
Kohorter och interventioner
Grupp / Kohort |
Intervention / Behandling |
|---|---|
|
Breastfeeding mothers prescribed GLP-1 RA therapies
Breastfeeding mothers who have been prescribed, but have not started, an injected GLP-1RA (these patients have an indication for GLP-1 RA treatment (BMI ≥27 kg/m2 with at least one comorbidity (prediabetes, diabetes, metabolic syndrome, obstructive sleep apnea, hypertension, dyslipidemia, cardiovascular disease, heart failure, chronic kidney disease, metabolic dysfunction-associated steatohepatitis, atrial fibrillation, venous thromboembolic disease, osteoarthritis, polyendocrine metabolic ovarian syndrome), or BMI ≥30 kg/m2)) and who are committed to sustaining breastfeeding habits (frequency and volume of milk removal) for the duration of the study period.
|
Participants are prescribed this medication by their care provider(s) as part of their postnatal clinical care, including but not limited to semaglutide and tirzepatide.
The investigators do not provide, manage, or assign the medication.
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
Hourly milk production rate
Tidsram: From one week before until a maximum of 2 months after beginning GLP-1RA treatment. This timeframe will restart if their dosage is increased.
|
Milk production rate (in grams per hour) will be assessed using a standardized milk expression protocol.
|
From one week before until a maximum of 2 months after beginning GLP-1RA treatment. This timeframe will restart if their dosage is increased.
|
|
Milk macronutrient composition
Tidsram: From one week before until a maximum of 2 months after beginning GLP-1RA treatment. This timeframe will restart if the dosage is increased.
|
Milk macronutrient composition will be assessed using the Miris Human Milk Analyzer.
|
From one week before until a maximum of 2 months after beginning GLP-1RA treatment. This timeframe will restart if the dosage is increased.
|
Samarbetspartners och utredare
Sponsor
Studieavstämningsdatum
Studera stora datum
Studiestart (Beräknad)
Primärt slutförande (Beräknad)
Avslutad studie (Beräknad)
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Faktisk)
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- 26-1234
Plan för individuella deltagardata (IPD)
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