← Back to Search

Hormone Therapy

Allopregnanolone for Parkinson's Disease (Allo-PD Trial)

Phase 1
Waitlist Available
Led By Scott Sherman, MD
Research Sponsored by Roberta Brinton
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
History of Idiopathic sporadic Parkinson disease
Hoehn & Yahr stage 1-4
Must not have
Undergone deep brain stimulation (DBS) surgery as treatment for PD
Evidence of Parkinsonian syndrome
Timeline
Screening 3 weeks
Treatment Varies
Follow Up weekly from week 1 to week 16
Awards & highlights
No Placebo-Only Group

Summary

This trial is testing a potential treatment called allopregnanolone in patients with Parkinson's disease. The study aims to determine if a larger clinical trial is possible, assess the safety and tolerability

Who is the study for?
This trial is for individuals with Parkinson's Disease. Participants will receive weekly infusions of allopregnanolone over 12 weeks. There are specific inclusion and exclusion criteria, but they're not listed here.
What is being tested?
The study tests allopregnanolone as a potential regenerative treatment for Parkinson's Disease. It aims to determine the feasibility of a larger trial, assess safety and tolerability, and look for any positive changes in brain imaging and clinical assessments.
What are the potential side effects?
Since this summary doesn't provide details on side effects, it can be assumed that part of the study's purpose is to identify them. Typically, participants are monitored closely for any adverse reactions.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I have been diagnosed with Parkinson's disease without a known cause.
Select...
My Parkinson's disease is between stages 1 to 4.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
Select...
I have had DBS surgery for Parkinson's disease.
Select...
I have been diagnosed with Parkinson's disease.
Select...
I have no health issues that prevent me from having an MRI.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~weekly from week 1 to week 16
This trial's timeline: 3 weeks for screening, Varies for treatment, and weekly from week 1 to week 16 for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Study completion
Secondary study objectives
Adverse Events
Infusion Reactions
Pharmacokinetics: Area under the plasma concentration versus time curve (AUC)
+3 more
Other study objectives
Cambridge Cognition's Motor Screening Task (MOT)
Cambridge Cognition's One Touch Stockings of Cambridge (OTS)
Cambridge Cognition's Paired Associates Learning (PAL) Test
+13 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: Allo APOE4 carriersExperimental Treatment1 Intervention
Group of 5 participants who are carriers of the APOE4 gene and will receive allopregnanolone 4mg administered weekly via a 30-min IV infusion for a duration of 12 weeks.
Group II: Allo APOE4 none-carriersActive Control1 Intervention
Group of 5 participants who are none-carriers of the APOE4 gene and will receive allopregnanolone 4mg administered weekly via a 30-min IV infusion for a duration of 12 weeks.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Allopregnanolone
2019
Completed Phase 2
~30

Find a Location

Who is running the clinical trial?

Roberta BrintonLead Sponsor
1 Previous Clinical Trials
100 Total Patients Enrolled
Roberta D Brinton, PhDStudy ChairUniversity of Arizona
3 Previous Clinical Trials
312 Total Patients Enrolled
Gerson D Hernandez, MD, MPHStudy DirectorUniversity of Arizona
3 Previous Clinical Trials
432 Total Patients Enrolled
~3 spots leftby May 2025