# SBT 901 — A study for spastic paraplegia

> A study for spastic paraplegia (iPhone/iPad app by Definitive Media Corp..)

- Source: https://appshunter.io/ios/app/sbt-901/id1565788825 (this page in markdown: same URL + `.md`)
- Developer: [Definitive Media Corp.](https://appshunter.io/developer/996237890)
- Category: Medical, Health & Fitness
- Price: Free
- Age rating: 17+
- Requires: iOS 12.0 · 149 MB
- Languages: Canadian English, Afrikaans, Amharic, Arabic, Belarusian, Bulgarian, Croatian, Czech, Danish, Flemish and 37 more
- Released: 2021-05-31
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/sbt-901/id1565788825/reviews.md

## What is SBT 901?

A companion app for a study focused on gaining a better understanding of Disease Progression in Adults with Inherited Forms of Spastic Paraplegia.

Your mobile app will be used to facilitate communication between you and your site during the SBTNHX-CT901.

You will be required to complete questionnaires on a periodic basis within the app.


## Version history (last 5 releases)

### 6.0 — 2024-11-15

iOS 18 compatibility

### 4.0 — 2024-05-28

> Extension of study participation from 24 months to 60 months.
> Addition of 3 new telehealth visits at milestones 76, 81, and 86.
> Privacy Policy updated to a link directing user to the privacy policy on the THREAD website.
> Removal of eConsent (ICF).

### 3.0 — 2022-02-01

Added additional questionnaire

### 2.0 — 2021-08-24

Updated registration and countries

### 1.1 — 2021-06-22

Updated to include languages

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## More apps by Definitive Media Corp.

- [The Duchenne Registry](https://appshunter.io/ios/app/the-duchenne-registry/id1473205578)
- [IED Log](https://appshunter.io/ios/app/ied-log/id1500234267)
- [HELIOS-A](https://appshunter.io/ios/app/helios-a/id1528146060)
- [FINEARTS-HF #20103](https://appshunter.io/ios/app/finearts-hf-20103/id1536715345)
- [Abbott SMBG Study](https://appshunter.io/ios/app/abbott-smbg-study/id1536721001)
- [T1D Trial](https://appshunter.io/ios/app/t1d-trial/id1540940479)

All apps by Definitive Media Corp.: https://appshunter.io/developer/996237890

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*