Single-Patient trial tests safety of ATGAM for rare blood disorder
NCT ID NCT06039020
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study is testing the safety of a drug called ATGAM in one patient with moderate to severe aplastic anemia, a condition where the bone marrow doesn't make enough blood cells. The patient receives ATGAM by IV for 4 days and is monitored for 24 weeks for side effects. The goal is to confirm the drug's safety in Japanese patients.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Anti-human thymocyte immunoglobulin (equine)
- What this could lead to
- If successful, this could confirm that ATGAM is safe for use in Japanese patients with aplastic anemia, supporting its continued use as a treatment.
- What could go wrong
- This is a very small study with only one participant, so results may not apply to others. It focuses on safety, not effectiveness, and the drug may cause side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
-
1 person
The number who actually took part.
- Started
-
Feb 2024
- Expected to finish
-
Jan 2027
An estimate. End dates often move.
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients with moderate to severe aplastic anemia who receive ATGAM
- Ages
-
0 years and older
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients with moderate to severe aplastic anemia who receive ATGAM Exclusion Criteria: * No exclusion criteria is set out in this study.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Pfizer
Tokyo, Japan
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Half-Matched stem cells tested as a cure for severe aplastic anemia
- Can a pill revive bone marrow in aplastic anemia?
- Can a drug revive blood cell production in children with aplastic anemia?
- Could a platelet-boosting drug shorten recovery after stem cell transplants?
- A common antioxidant may help platelets recover faster after stem cell transplant
- Could a cancer antibody reboot blood production in aplastic anemia?