botulinum toxin injection for nonrelaxing internal anal sphincter: a pilot study

botulinum toxin injection for nonrelaxing internal anal sphincter: a pilot study - botulinum toxin injection for nonrelaxing internal anal sphincter

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000010511

Enrollment

Registered

2013-04-17

Start date

2013-04-22

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

nonrelaxing internal anal sphincter

Interventions

botulinum toxin injection into an internal anal sphincter

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients who are diagnosed as functional gastrointestinal obstruction, and give their consent.

Exclusion criteria

Exclusion criteria: The patients who do not give their consent.

Design outcomes

Primary

Measure	Time frame
Continence score	—

Secondary

Measure	Time frame
anorectal pressure	—

Countries

Japan

Contacts

Public ContactHirofumi Tomita

Keio University School of Medicine Department of Pediatric Surgery

htomita@a3.keio.jp

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026