30-Year data dive aims to unlock secrets of rare blood cancer

NCT ID NCT05093153

Recruiting now Knowledge-focused Sponsor: Fundación Española de Hematología y Hemoterapía Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is creating a national registry of 1,000 people in Spain diagnosed with Waldenström macroglobulinemia or a related condition (IgM-MGUS) over the past 30 years. Researchers will review medical records to understand patient characteristics, treatments, and long-term outcomes. The goal is to identify patterns that could improve future care and guide new clinical trials.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this registry could help doctors better understand Waldenström macroglobulinemia and improve future treatment guidelines.
What could go wrong: This is an observational study, not a treatment trial. It collects past data, so it cannot test new therapies or directly benefit participants.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

monoclonal gammopathy of uncertain significance Waldenstrom macroglobulinemia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

WALDENSTROM MACROGLOBULINEMIA

Contacts and locations

Locations

CAU de León
RECRUITING

León, León, Spain
CAU de Salamanca
RECRUITING

Salamanca, Salamanca, Spain
CUN Navarra
RECRUITING

Pamplona, Navarre, Spain
Complejo Hospitalario Universitario de La Coruña (CHUAC)
RECRUITING

A Coruña, La Coruña, Spain
Hospital Central de La Defensa Gómez Ulla
RECRUITING

Madrid, Madrid, 28040, Spain
Hospital Clinico Universitario Santiago de Compostela
RECRUITING

Madrid, Madrid, 28040, Spain
Hospital Clinico Universitario Virgen de la Arrixaca
RECRUITING

El Palmar, Murcia, Spain
Hospital Clínic de Barcelona
RECRUITING

Barcelona, Barcelona, Spain
Hospital Clínico Universitario Lozano Blesa
RECRUITING

Zaragoza, Zaragoza, Spain
Hospital Clínico de Valencia
RECRUITING

Valencia, Valencia, Spain
Hospital Costa del Sol
RECRUITING

Marbella, Málaga, Spain
Hospital Insular Materno Infantil- Gran Canaria
RECRUITING

Las Palmas de Gran Canaria, Las Palmas, 35016, Spain
Hospital Juan Ramón Jiménez
RECRUITING

Huelva, Huelva, 21005, Spain
Hospital La Fe de Valencia
RECRUITING

Valencia, Valencia, Spain
Hospital Marques de Valdecilla
RECRUITING

Madrid, Madrid, 28040, Spain
Hospital Miguel Servet
RECRUITING

Zaragoza, Zaragoza, Spain
Hospital Mutua Terrassa
RECRUITING

Barcelona, Barcelona, 08221, Spain
Hospital Parc Taulí
RECRUITING

Sabadell, Barcelona, Spain
Hospital Regional Universitario de Málaga
RECRUITING

Málaga, Málaga, Spain
Hospital Rey Juan Carlos
RECRUITING

Madrid, Madrid, 28040, Spain
Hospital San Pedro
RECRUITING

Logroño, La Rioja, 26006, Spain
Hospital Sant Joan de Déu de Manresa
RECRUITING

Manresa, Barcelona, Spain
Hospital Santa Lucía de Cartagena
RECRUITING

Cartagena, Murcia, 28040, Spain
Hospital Son Llatzer
RECRUITING

Palma, Balearic Islands, Spain
Hospital Universitario 12 de Octubre
RECRUITING

Madrid, Madrid, 28041, Spain
Hospital Universitario Arnau de Vilanova
RECRUITING

Lleida, Lleida, Spain
Hospital Universitario Clínico San Cecilio
RECRUITING

Granada, Granada, Spain
Hospital Universitario Doctor Peset
RECRUITING

Valencia, Valencia, Spain
Hospital Universitario Fundación Jimenez Diaz
RECRUITING

Madrid, Madrid, Spain
Hospital Universitario Gregorio Marañón
RECRUITING

Madrid, Madrid, 28007, Spain
Hospital Universitario Infanta Leonor
RECRUITING

Madrid, Madrid, 28031, Spain
Hospital Universitario Nuestra Señora de Candelaria
RECRUITING

Santa Cruz de Tenerife, Santa Cruz de Tenerife, Spain
Hospital Universitario Puerta de Hierro
RECRUITING

Madrid, Madrid, Spain
Hospital Universitario Ramón y Cajal
RECRUITING

Madrid, Madrid, Spain
Hospital Universitario Reina Sofía
RECRUITING

Córdoba, Córdoba, Spain
Hospital Universitario Son Espases
RECRUITING

Palma de Mallorca, Balearic Islands, Spain
Hospital Universitario Virgen de la Victoria
RECRUITING

Málaga, Málaga, Spain
Hospital Universitario de Gran Canaria Dr. Negrín
RECRUITING

Las Palmas de Gran Canaria, Las Palmas, 35010, Spain
Hospital Vall d'Hebron
RECRUITING

Barcelona, Barcelona, Spain
Hospital Virgen de Valme
RECRUITING

Seville, Sevilla, 41014, Spain
Hospital Virgen de la Macarena
RECRUITING

Seville, Sevilla, 41009, Spain
Hospital Virgen de las Nieves
RECRUITING

Granada, Granada, 18014, Spain
Hospital Vital Álvarez-Buylla
RECRUITING

Mieres, Principality of Asturias, Spain
Hospital de Galdakao
RECRUITING

Galdakao, Vizcaya, 48960, Spain
Hospital de Laredo
RECRUITING

Madrid, Madrid, 28040, Spain
Hospital de Mérida
RECRUITING

Mérida, Badajoz, 06800, Spain
Hospital de San Juan Despí Moisès Broggi
RECRUITING

Barcelona, Barcelona, 08970, Spain
Hospital de la Serranía de Ronda
RECRUITING

Málaga, Málaga, 29400, Spain
Hospital del Bierzo
RECRUITING

Ponferrada, León, 24404, Spain
Hospital del Mar
RECRUITING

Barcelona, Barcelona, Spain
ICO Badalona - Hospital Germans Trias i Pujol
RECRUITING

Badalona, Barcelona, Spain

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