Study for registration of Botulinum Toxin A six months before conception/in pregnancy and safety of development of offspring

Status

Recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000033484

Enrollment

Unknown

Registered

2020-06-02

Start date

2016-01-01

Completion date

Unknown

Last updated

2023-08-21

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

Conditions

Pregnancy

Interventions

Botulinum Toxin A exposure group vs non-exposure group:Nil

Eligibility

Sex/Gender

Female

Age

18 Years to 45 Years

Inclusion criteria

Inclusion criteria: Pregnant women who have taken Botulinum Toxin A in six months before conception or in pregnancy (including Botulinum Toxin A alone or with other medicine in conbination treatment); Pregnant women who voluntarily participated in the survey with informed consent.

Exclusion criteria

Exclusion criteria: Pregnant women who don't know the dosage and time; Pregnant women who cannot participate in the survey due to mental illness or physical disability.

Design outcomes

Primary

Measure	Time frame
congenital defect;	—

Secondary

Measure	Time frame
Spontaneous;Induced abortion;adverse events of fetus;premature labour;adverse events of neonatus;birth weight;Apgar scores;adverse events of infant;	—

Countries

China

Contacts

Public ContactCaihong Zheng

Women's Hospital, School of Medicine, Zhejiang University

chzheng@zju.edu.cn+86 571 8999 1730

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026