Clinical trial • Phase II • Nephrology | Rare Disease

ABBV-CLS-628 for Autosomal dominant polycystic kidney disease (ADPKD)

Phase II trial of ABBV-CLS-628 for Autosomal dominant polycystic kidney disease (ADPKD).

Overview

Trial Therapeutic Area
Nephrology | Rare Disease
Trial Disease
Autosomal dominant polycystic kidney disease (ADPKD)
Trial Stage
Phase II
Drug Modality
Monoclonal antibody | Other

Key dates

Initial CTIS Submission Date
20-03-2025
First CTIS Authorization Date
07-07-2025

Trial design

Randomised, placebo for abbv-cls-628 (placebo comparator); dose and schedule not specified.-controlled Phase II trial in Spain, Netherlands, Portugal and others.

Randomised
Yes
Comparator
Placebo for ABBV-CLS-628 (placebo comparator); dose and schedule not specified.
Target Sample Size
142
Trial Duration For Participant
672

Eligibility

Recruits 142 Vulnerable population not selected (isVulnerablePopulationSelected=false). Participants must voluntarily sign and date an informed consent approved by an independent ethics committee (IEC)/institutional review board (IRB) prior to initiation of any washout, screening or study-specific procedures. Age entry limits are 18 to 55 years (adults only); assent for minors not applicable..

Pregnancy Exclusion
Negative serum pregnancy test at Screening and negative urine pregnancy test at baseline.
Vulnerable Population
Vulnerable population not selected (isVulnerablePopulationSelected=false). Participants must voluntarily sign and date an informed consent approved by an independent ethics committee (IEC)/institutional review board (IRB) prior to initiation of any washout, screening or study-specific procedures. Age entry limits are 18 to 55 years (adults only); assent for minors not applicable.

Inclusion criteria

  • {"criterion_text":"- Trial participants must voluntarily sign and date an informed consent, approved by an independent ethics committee (IEC)/institutional review board (IRB), prior to the initiation of any washout, screening or study-specific procedures.\n- Age 18 (or higher age limit defined per regional definitions) to 55 years of age, both inclusive at the time of consent.\n- Diagnosis of Autosomal Dominant Polycystic Kidney Disease (ADPKD).\n- ADPKD Classe 1C, 1D, or 1E based on the Mayo Clinic Imaging Classification of ADPKD.\n- eGFR >= 30 mL/min/1.73 m2 and < 90 mL/min/1.73 m2 , using the CKD-EPI equation at Screening.\n- Negative serum pregnancy test at Screening and negative urine pregnancy test at baseline.\n- Female trial participants of childbearing potential enrolled must agree to use two forms of protocol-specified, contraception, one of which is highly effective from Study Day 1."}

Exclusion criteria

  • {"criterion_text":"- Current interventions to treat ADPKD such as non-approved medications or lifestyle modifications.\n- Positive result on the urine drug screen at Screening unless explained by concomitant medication use.\n- Concurrent participation in any other interventional trial.\n- Any exclusionary medical diseases, disorders, or conditions.\n- Hypertension not controlled by antihypertensive therapy (per investigator's judgment) at screening and baseline.\n- History of Renal Replacement Therapy.\n- Anticipated need for dialysis or transplantation within the next year.\n- Any active infections including but not limited to the following: Positive for HIV, HBV, HCV.\n- Immunocompromised per investigator's judgment.\n- History of clinically significant (per investigator's discretion) drug or alcohol abuse within the last 6 months prior to Screening."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Cumulative rate of change from baseline in TKV by MRI at Week 96.","definition_or_measurement_approach":"Change from baseline in total kidney volume (TKV) measured by MRI at Week 96 (measured as cumulative rate of change vs baseline)."}

Secondary endpoints

  • {"endpoint_text":"- Absolute change in eGFR from baseline at Week 96.","definition_or_measurement_approach":"Absolute change from baseline in estimated glomerular filtration rate (eGFR) at Week 96 (method not specified in endpoint text)."}
  • {"endpoint_text":"- Cumulative rate of change from baseline in TKV by MRI at Week 48.","definition_or_measurement_approach":"Change from baseline in total kidney volume (TKV) measured by MRI at Week 48 (measured as cumulative rate of change vs baseline)."}

Recruitment

Planned Sample Size
142
Recruitment Window Months
49
Consent Approach
Informed consent must be voluntarily signed and dated by the participant prior to initiation of any washout, screening or study-specific procedures (IEC/IRB-approved). Age eligibility restricts to adults (18–55), so consent is provided by the participant. Country-specific ICF documents are available in local languages (examples in the dossier: Spanish, Dutch, Portuguese, Italian, French, German, English). Optional and pregnancy-specific ICFs are documented per country.

Methods

  • Spain: Recruitment arrangements, brochures and flyer documents present (K1_M25-147 ES Recruitment and ICF Procedures_Public; K2_M25-147 ES Recruitment brochure_Public; K2_M25-147 ES Recruitment Flyer_Public) targeting adult patients with ADPKD.
  • Netherlands: Recruitment arrangements, brochure and flyer documents present (K1_M25-147 NL Recruitment and ICF Procedures_Public; K2_M25-147 NL Recruitment Brochure_Public Redacted; K2_M25-147 NL Recruitment Flyer_Public) targeting adult patients with ADPKD.
  • Portugal: Recruitment arrangements, brochure and flyer and poster documents present (K1 M25-147 PT Recruitment and ICF procedures_Public; K2 M25-147 PT Recruitment Brochure_public redacted; K2 M25-147 PT Recruitment Flyer_public; K2 M25-147 PT Recruitment Poster_public) targeting adult patients with ADPKD.
  • Italy: Recruitment brochure, flyer and poster documents present (K1_M25-147 IT Recruitment and ICF Procedures_Public; K2_M25-147 IT Recruitment Brochure_Public Redacted; K2_M25-147 IT Recruitment Flyer_Public; K2_M25-147 IT Recruitment Poster_Public) targeting adult patients with ADPKD.
  • Belgium: Recruitment arrangements, brochures and flyers present (K1 M25-147 BE EU CTR Recruitment and ICF Procedures_Public; K2 M25-147 BE Recruitment Brochure/Flyer in local languages) targeting adult patients with ADPKD.
  • France: Recruitment arrangements, brochure present (K1 M25-147 FR Recruitment and ICF Procedures; K2 M25-147 FR Recruitment Brochure_Public) targeting adult patients with ADPKD.
  • Germany: Recruitment arrangements, brochure and flyer documents present (K1 M25-147 Recruitment and ICF Procedures_Public; K2 M25-147 DE Recruitment Brochure public redacted; K2 M25-147 DE Recruitment Flyer public) targeting adult patients with ADPKD.

Geography

Total Number Of Sites
35
Total Number Of Participants
98

Spain

Earliest CTIS Part Ii Submission Date
30-06-2025
Latest Decision Or Authorization Date
01-04-2026
Processing Time Days
273
Number Of Sites
8
Number Of Participants
28

Sites

Site Name
Hospital Universitario Fundacion Jimenez Diaz
Department Name
Nephrology
Contact Person Name
Maria Vanessa Perez Gomez
Contact Person Email
mvanessa@fjd.es
Site Name
Hospital Universitario Virgen De Las Nieves
Department Name
Nephrology
Contact Person Name
Rafael Jose Esteban de la Rosa
Contact Person Email
rafaelj.esteban@gmail.com
Site Name
Bellvitge University Hospital
Department Name
Nephrology
Contact Person Name
Miguel Hueso Val
Contact Person Email
mhueso@idibell.cat
Site Name
Hospital Universitario 12 De Octubre
Department Name
Nephrology
Contact Person Name
Eduardo Gutierrez Martinez
Site Name
Fundacio Puigvert
Department Name
Nephrology
Contact Person Name
Roser Torra Balcells
Contact Person Email
rtorra@fundacio-puigvert.es
Site Name
University Hospital Virgen Del Rocio S.L.
Department Name
Nephrology
Contact Person Name
Jose Luis Rocha Castilla
Contact Person Email
jrocha1@us.es
Site Name
Hospital Clinico Universitario De Valencia
Department Name
Nephrology
Contact Person Name
Jose Luis Gorriz Teruel
Contact Person Email
jlg.eecc@gmail.com

Netherlands

Earliest CTIS Part Ii Submission Date
11-06-2025
Latest Decision Or Authorization Date
03-04-2026
Processing Time Days
296
Number Of Sites
4
Number Of Participants
10

Sites

Site Name
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Department Name
Nefrologie
Contact Person Name
Mahdi Salih
Contact Person Email
poli.nefrologie@erasmusmc.nl
Site Name
Albert Schweitzer Ziekenhuis
Department Name
Nefrologie
Contact Person Name
Jeroen van der Net
Contact Person Email
wetenschap@asz.nl
Site Name
Universitair Medisch Centrum Groningen
Department Name
Nefrologie
Contact Person Name
Ron Gansevoort
Contact Person Email
researchsupport@umcg.nl
Site Name
Leids Universitair Medisch Centrum (LUMC)
Department Name
Nefrologie
Contact Person Name
Harm Spijker
Contact Person Email
polinierziekten@lumc.nl

Portugal

Earliest CTIS Part Ii Submission Date
07-05-2025
Latest Decision Or Authorization Date
01-04-2026
Processing Time Days
329
Number Of Sites
6
Number Of Participants
21

Sites

Site Name
Unidade Local De Saude De Almada-Seixal E.P.E.
Department Name
Nephrology
Contact Person Name
Fernando Teixeira e Costa
Contact Person Email
teixeiraecosta@gmail.com
Site Name
Unidade Local De Saude De Lisboa Ocidental E.P.E.
Department Name
Nephrology
Contact Person Name
Ana Rita Martins
Contact Person Email
anarita.mateus@gmail.com
Site Name
Unidade Local de Saude do Algarve E.P.E.
Department Name
Nephrology
Contact Person Name
Ana Cabrita
Contact Person Email
anacabrita2@gmail.com
Site Name
Servico de Saude da Regiao Autonoma Da Madeira EPERAM
Department Name
Nephrology
Contact Person Name
Gil Silva
Contact Person Email
gil.silva@sesaram.pt
Site Name
CCAB Centro Clinico Academico Braga Associacao
Department Name
Nephrology
Contact Person Name
Carlos Soares
Site Name
Unidade Local De Saude De Sao Jose E.P.E.
Department Name
Nephrology
Contact Person Name
Rui Barata

Italy

Earliest CTIS Part Ii Submission Date
09-04-2025
Latest Decision Or Authorization Date
02-04-2026
Processing Time Days
358
Number Of Sites
4
Number Of Participants
12

Sites

Site Name
Azienda Ospedaliero Universitaria Di Modena
Department Name
Dip Chirurgico Medico Odontoiatrico e di Sc. Morfologiche con Interesse Trapiantologico, Oncologico
Contact Person Name
Riccardo Magistroni
Contact Person Email
riccardo.magistroni@unimore.it
Site Name
Azienda Universitaria Ospedaliera Consorziale Policlinico Bari
Department Name
U.O.C. Nefrologia, Dialisi e Trapianto
Contact Person Name
Loreto Gesualdo
Contact Person Email
loreto.gesualdo@uniba.it
Site Name
Azienda Ospedaliero-Universitaria Policlinico Umberto I
Department Name
Department of translational and precision medicine
Contact Person Name
Silvia Lai
Contact Person Email
silvia.lai@uniroma1.it
Site Name
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Department Name
Nephrology Unit, Dept of Translational Medicine and Surgery
Contact Person Name
Giuseppe Grandaliano

Belgium

Earliest CTIS Part Ii Submission Date
10-06-2025
Latest Decision Or Authorization Date
01-04-2026
Processing Time Days
295
Number Of Sites
3
Number Of Participants
7

Sites

Site Name
UZ Leuven
Department Name
Nephrology
Contact Person Name
Bert Bammens
Contact Person Email
bert.bammens@uzleuven.be
Site Name
Cliniques Universitaires Saint-Luc
Department Name
Nephrology
Contact Person Name
Nathalie Demoulin
Site Name
Centre hospitalier universitaire de Liege
Department Name
Nephrology
Contact Person Name
François Jouret
Contact Person Email
francois.jouret@chuliege.be

France

Earliest CTIS Part Ii Submission Date
27-05-2025
Latest Decision Or Authorization Date
09-04-2026
Processing Time Days
317
Number Of Sites
5
Number Of Participants
10

Sites

Site Name
Hospices Civils De Lyon
Department Name
Service de Néphrologie et d'exploration fonctionnelle rénale
Contact Person Name
Sandrine LEMOINE
Contact Person Email
sandrine.lemoine01@chu-lyon.fr
Site Name
Centre Hospitalier Universitaire De Toulouse
Department Name
Service de Néphrologie et Transplantation d'organes
Contact Person Name
Dominique CHAUVEAU
Contact Person Email
chauveau.d@chu-toulouse.fr
Site Name
Centre Hospitalier Regional De Marseille
Department Name
Service de Néphrologie et Transplantation rénale
Contact Person Name
Stéphane Burtey
Contact Person Email
stephaneb@ap-hm.fr
Site Name
Centre Hospitalier Regional Et Universitaire De Brest
Department Name
Service de Néphrologie, transplantation rénale et hémodialyse
Contact Person Name
Emilie CORNEC-LE GALL
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Service de néphrologie - Dialyse Adultes
Contact Person Name
Bertrand Knebelmann
Contact Person Email
bertrand.knebelmann@aphp.fr

Germany

Earliest CTIS Part Ii Submission Date
18-06-2025
Latest Decision Or Authorization Date
02-04-2026
Processing Time Days
288
Number Of Sites
5
Number Of Participants
10

Sites

Site Name
Universitaetsklinikum Heidelberg AöR
Department Name
Innerer Medizin X – Klinik fuer Nephrologie
Contact Person Name
Claudia Sommerer
Site Name
Medizinische Hochschule Hannover
Department Name
Studienzentrum für Nieren- und Hochdruckerkrankungen
Contact Person Name
Jessica Kaufeld
Contact Person Email
Studienzentrum@mh-hannove.de
Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Medizinische Klinik m.S. Nephrologie und Intensivmedizin
Contact Person Name
Jan Halbritter
Contact Person Email
jan.halbritter@charite.de
Site Name
University Hospital Cologne AöR
Department Name
Klinik II für Innere Medizin
Contact Person Name
Roman-Ulrich Mueller
Site Name
Klinikum der Technischen Universitaet Muenchen (TUM Klinikum)
Department Name
Abteilung für Nephrologie
Contact Person Name
Lutz Renders
Contact Person Email
nephrologie.office@mri.tum.de

Sponsor

Primary sponsor

Full Name
AbbVie Deutschland GmbH & Co. KG
Organisation Type
Pharmaceutical company
Country Of Registered Address
Germany

Contract research organisations

Name
IQVIA Limited
Responsibilities
code:3
Name
Medidata Solutions Inc.
Responsibilities
code:15 (eCOA-clinical outcome assessments); code:7
Name
Accellacare Limited
Responsibilities
code:15 (Home Health visits)
Name
Greenphire LLC
Responsibilities
code:15 (Subject Reimbursements)
Name
Cytel Inc.
Responsibilities
code:15 (DMC Charter)
Name
Perceptive Informatics Inc.
Responsibilities
code:15 (Imaging)
Name
Everest Clinical Research Corporation
Responsibilities
code:15 (DMC Charter)
Name
Marken LLP
Responsibilities
code:15 (Direct to Patient Shipments of IP)
Name
Labcorp Central Laboratory Services SARL
Responsibilities
code:4
Name
Clinical Trial Media Inc.
Responsibilities
code:2
Name
Veeva Systems Inc.
Responsibilities
code:7

Third parties

  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"code:3","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Medidata Solutions Inc.","duties_or_roles":"code:15 (eCOA-clinical outcome assessments); code:7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Clinical Trial Media Inc.","duties_or_roles":"code:2","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Veeva Systems Inc.","duties_or_roles":"code:7","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Accellacare Limited","duties_or_roles":"code:15 (Home Health visits)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Greenphire LLC","duties_or_roles":"code:15 (Subject Reimbursements)","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Cytel Inc.","duties_or_roles":"code:15 (DMC Charter)","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Perceptive Informatics Inc.","duties_or_roles":"code:15 (Imaging)","organisation_type":"Pharmaceutical company"}
  • {"country":"Canada","full_name":"Everest Clinical Research Corporation","duties_or_roles":"code:15 (DMC Charter)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Marken LLP","duties_or_roles":"code:15 (Direct to Patient Shipments of IP)","organisation_type":"Pharmaceutical company"}
  • {"country":"Switzerland","full_name":"Labcorp Central Laboratory Services SARL","duties_or_roles":"code:4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Clinical Trial Media Inc.","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Perceptive Informatics Inc.","duties_or_roles":"","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
ABBV-CLS-628
Active Substance
ABBV-CLS-628
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS
Route
INTRAVENOUS
Investigational Product Name
Placebo for ABBV-CLS-628
Modality
Other

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