Effects of the herbal preparation STW 5-II on in vitro muscle activity in the guinea pig stomach

© 2020 The Authors. Neurogastroenterology & Motility published by John Wiley & Sons Ltd..

BACKGROUND: STW 5 is a combination of nine medicinal herbal extracts and used to treat functional gastrointestinal disorders including functional dyspepsia. It has a region-specific effect by relaxing the proximal and contracting the distal stomach. The research combination STW 5-II (Iberogast® Advance) lacks three herbal extracts but seems clinically as effective as STW 5. However, the action of STW 5-II on gastric motility is unknown.

METHODS: In vitro circular and longitudinal muscle tone and contractility were recorded from guinea pig gastric fundus and antrum with isometric force transducers.

KEY RESULTS: STW 5-II decreased concentration-dependently (64-512 µg/ml) the tone of circular and longitudinal muscle strips from the fundus. In contrast, STW 5-II increased concentration-dependently contraction amplitude in antral circular and longitudinal muscle. The effects were region-dependent but comparable in the two muscle layers. Application of 512 µg STW 5 or STW 5-II revealed comparable effects in the fundus and antrum circular and longitudinal muscle strips.

CONCLUSIONS AND INTERFERENCES: STW 5-II had a region-specific effect and relaxed the proximal stomach but increased the contractility in the antrum. It was as effective as STW 5 which may explain its comparable clinical effects in treating functional dyspepsia. Impaired accommodation may be normalized through relaxation of the fundus, while the motility-promoting effects leading to an increase in antral motility may activate the gastric pump.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:33

Enthalten in:

Neurogastroenterology and motility - 33(2021), 2 vom: 02. Feb., Seite e13984

Sprache:

Englisch

Beteiligte Personen:

Schemann, Michael [VerfasserIn]
Landmann, Martina [VerfasserIn]
Kelber, O [VerfasserIn]
Ammar, Ramy M [VerfasserIn]
Krueger, Dagmar [VerfasserIn]
Michel, K [VerfasserIn]

Links:

Volltext

Themen:

Functional dyspepsia
Gastric motility
Iberogast
Journal Article
Phytotherapy
Plant Extracts
Research Support, Non-U.S. Gov't
STW 5
STW 5-II

Anmerkungen:

Date Completed 01.11.2021

Date Revised 01.11.2021

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1111/nmo.13984

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM315083557