Could a common allergy pill ease bone pain in myeloma treatment?
NCT ID NCT04211259
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early trial is testing whether loratadine, better known as the allergy medicine Claritin, can reduce bone pain caused by a drug called G-CSF in people with multiple myeloma who are having their stem cells collected. The study will compare pain levels between those taking loratadine and those taking a placebo. If successful, it could provide a simple, low-cost way to manage a common side effect of stem cell mobilization.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- loratadine (Claritin)
- What this could lead to
- If it works, this could offer a simple, over-the-counter option to reduce bone pain during stem cell collection for multiple myeloma patients.
- What could go wrong
- This is a very early phase 1 trial with only 70 participants, so results may not be conclusive. The pain relief may be minimal or no better than placebo.
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.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 70 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2022
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patient must be able to provide informed consent * Patients with confirmed diagnosis of multiple myeloma * Able to swallow and retain oral medication * All ethnic groups are eligible Exclusion Criteria: * Non-English speaking person * Patients undergoing haploidentical allogeneic hematopoietic stem cell transplant * Known allergies, hypersensitivity, or intolerance to any of the study medications, excipients, or similar compounds * Any medical complications or conditions that would, in the investigator's judgement, interfere with full participation in the study * On therapeutic dose of aspirin (doses greater than 81 mg) within 7 days prior to the start of the 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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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RWJBarnabas Health - Robert Wood Johnson University Hospital, New Brunswick
NOT_YET_RECRUITINGNew Brunswick, New Jersey, 08903, United States
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Rutgers Cancer Institute of New Jersey
RECRUITINGNew Brunswick, New Jersey, 08903, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Cheap blood count ratios eyed as window into Myeloma's inflammatory grip
- Can a t-cell engager rescue myeloma that outsmarted CAR-T?
- Can myeloma treatment work without steroids?
- Double-Drug attack on Hard-to-Treat lymphomas
- Banking blood and bone marrow to decode plasma cell disorders
- Which scan sees hidden myeloma better: PET or MRI?