Theophylline for Treatment of Pseudohypoparathyroidism
Public ClinicalTrials.gov record NCT04240821. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Open-Label Extension Study of Theophylline for Treatment of Pseudohypoparathyroidism
Study identification
- NCT ID
- NCT04240821
- Recruitment status
- Enrolling by invitation
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Jaclyn Tamaroff
- Other
- Enrollment
- 34 participants
Conditions and interventions
Conditions
Interventions
- Theophylline ER Drug
Drug
Eligibility (public fields only)
- Age range
- 2 Years to 99 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 21, 2020
- Primary completion
- Dec 30, 2026
- Completion
- Dec 30, 2026
- Last update posted
- Apr 27, 2026
2020 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Vanderbilt University Medical Center | Nashville | Tennessee | 37212 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04240821, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 27, 2026 · Synced Apr 29, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04240821 live on ClinicalTrials.gov.