# An Extension Study of TAK-664 for Japanese People With Primary Immunodeficiency Disease

> **NCT04842643** · PHASE3 · COMPLETED · sponsor: **Takeda** · enrollment: 12 (actual)

## Conditions studied

- Primary Immunodeficiency Disease

## Interventions

- **BIOLOGICAL:** IGSC 20% infusion

## Key facts

- **NCT ID:** NCT04842643
- **Lead sponsor:** Takeda
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-04-27
- **Primary completion:** 2024-04-25
- **Final completion:** 2024-04-25
- **Target enrollment:** 12 (ACTUAL)
- **Last updated:** 2025-01-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04842643

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04842643, "An Extension Study of TAK-664 for Japanese People With Primary Immunodeficiency Disease". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04842643. Licensed CC0.

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