Ulcerative ColitisPhase 3NCT04624230
Evaluation of Oral Tofacitinib in Children Aged 2 to 17 Years Old Suffering From Moderate to Severe Ulcerative Colitis
A Phase 3 study testing tofacitinib in people with Ulcerative Colitis, run by Pfizer at 69 sites in 16 countries.
Trial summary
This study, A3921210 is designed to evaluate the efficacy, safety and pharmacokinetics (PK) of tofacitinib in pediatric participants with moderately to severely active UC. In the US and EU, patients with prior TNFi failure or intolerance will be enrolled. Read more about this study
- Who is it for?
- Ages 2 to 17 years
- Conditions the study is for
- Ulcerative Colitis
- What is being tested?
- tofacitinib
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 118 participants
- Where
- 69 sitesin 16 countries
- Study dates
- 12 Aug 2021to 6 Jun 2029
- Phase
- Phase 3
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 2 to 17 years
- All sexes
- No healthy volunteers
- Child
Who may be able to join
- Evidence of a personally signed and dated informed consent document and assent document.
- Males and females 2 to less than18 years old and weighing at least 10 kg.
- Having a pathology report that confirms colonic inflammation consistent with UC with a clinical diagnosis of UC for at least 12 weeks prior to baseline, with biopsy report supporting the diagnosis of UC.
- Participants diagnosed with UC at age less than 6 years old, must have had testing and be negative for monogenic disorders associated with very early onset IBD.
- Moderately to severely active UC as defined (via screening colonoscopy) by a Mayo score of at least 6, with a rectal bleeding score of at least 1 and an endoscopic subscore of at least 2.
- Pediatric Ulcerative Colitis Activity Index (PUCAI) score greater or equal to 35 .
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- No history of dysplasia or colon cancer.
- No evidence or history of untreated or inadequately treated active or latent infection with Mycobacterium Tuberculosis.
- For participants outside of the United States or the European Union: have had an inadequate response or been intolerant to at least one prior therapy as listed below or have a medical contraindication to such therapies:
- Oral or intravenous (IV) corticosteroids;
- Azathioprine or 6-mercaptopurine;
- TNF inhibitors or anti integrin therapy.
- For participants in the United States and the European Union: have had an inadequate response or intolerance to TNF inhibitors.
- Stable doses of the following therapies for UC:
- Oral 5 Aminosalicyclic acids (ASA) or sulfasalazine
- Oral corticosteroids equivalent to prednisone at most 1 mg/kg up to a maximum of 20 mg/day or budesonide up to 9 mg/day.
- female participant is eligible if she is not pregnant or breastfeeding, If she is a woman of child bearing potential, she needs to be using a contraceptive method that is highly effective (with a failure rate of <1% per year).
Who cannot join
- Diagnosis of indeterminate colitis, isolated proctitis, microscopic colitis, infectious colitis, Crohn's disease, or clinical findings suggestive of Crohn's disease.
- History of symptomatic obstructive intestinal strictures or active ostomy, or history of colectomy, extensive small bowel resection ( greater than100 centimetres) or short bowel syndrome, or hospitalization for UC related reason(s) within 2 weeks of baseline visit.
- Any factors or clinical characteristics potentially related to the risk of venous thromboembolism that may increase the risk associated with study participation or study intervention administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the participant inappropriate for entry into this study.
- Participants who have previously received tofacitinib or another Janus Kinase inhibitor.
- Vaccination or exposure to a live or attenuated vaccine within the 6 weeks prior to the first dose of study drug, or who are expected to be vaccinated or to have household exposure to these vaccines during treatment or during the 6 weeks following discontinuation of study drug.
- Participants having received azathioprine, 6-mercaptopurine, methotrexate, thioguanine, infliximab, adalimumab, golimumab, ustekinumab, interferon, cyclosporine, mycophenolate, tacrolimus, IV or rectally administered corticosteroids, natalizumab, vedolizumab, other antiadhesion molecules, or investigational drugs during the specified time periods prior to baseline whereby they may still have pharmacokinetic and/or pharmacodynamic effect in the body of the participant.
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- Previous treatment by leukocyte apheresis including selective lymphocyte, monocyte, or granulocyte apheresis, or plasma exchange within 6 months prior to baseline.
- Treatment by specified prohibited concomitant medications, including moderate to potent CYP3A inducers or inhibitors in the specified time periods prior to the first dose of study drug or are expected to receive any of these medications during the study period.
- Chronic and frequent use of antimotility agents for control of diarrhea (ie, diphenoxylate hydrochloride with atropine sulfate or loperamide).
- History of bowel surgery, including cholecystectomy within 6 months prior to baseline, history of appendectomy within 3 months prior to baseline, or significant trauma or major surgery within 4 weeks of screening visit are excluded.
- Participants with the following laboratory values at screening:
- Hemoglobin level lower than 9.0 g/Dl.
- Absolute white blood cell (WBC) count lower than 3000/mm3.
- Absolute neutrophil count lower than 1200/mm3.
- Absolute lymphocyte count lower than 750/mm3.
- Thrombocytopenia as defined by a platelet count lower than 100,000/mm3.
- Estimated bedside Schwartz Glomerular filtration rate (GFR) lower or equal to 40 mL/min/1.73 m2.
- Total bilirubin, aspartate aminostransferase (AST) or alanine aminotransferase (ALT) more than 1.5 times the upper limit of normal.
- Positive stool examinations for enteric pathogens, pathogenic ova or parasites, or C. difficile toxin at screening.
- Participants infected with human immunodeficiency virus (HIV) or hepatitis B or C viruses.
- History of more than one episode of HZ, a history of disseminated HZ or disseminated herpes simplex.
- History or current symptoms of any lymphoproliferative disorder (eg, Epstein Barr Virus (EBV) related lymphoproliferative disorder, lymphoma, leukemia, myeloproliferative disorders, multiple myeloma, or signs and symptoms suggestive of currently lymphatic disease).
- Clinically significant infections currently or within 3 months prior to baseline (eg, those requiring hospitalization or parenteral antimicrobial therapy or opportunistic infections), a history of any infection requiring antimicrobial therapy within 2 weeks of baseline, or a history of any infection otherwise judged by the investigator to have the potential for exacerbation by participation in the study.
- Any malignancies or with a history of malignancies, with the exception of adequately treated or excised nonmetastatic basal cell or squamous cell cancer of the skin.
- Investigator site staff members directly involved in the conduct of the study and their family members, site staff members otherwise supervised by the investigator, or participants who are employees of the Sponsor, including their family members, directly involved in the conduct of the study.
- Participation in other studies involving investigational drug(s) within 2 months prior to study entry and/or during study participation.
- Other acute or chronic medical or psychiatric condition including recent (within the past year) or active suicidal ideation or behavior or laboratory abnormality that may increase the risk associated with study participation or study intervention administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the participant inappropriate for entry into this study.
- Pregnant female participants; breastfeeding female participants; fertile female participants of childbearing potential who are unwilling or unable to use a highly effective method of contraception as outlined in this protocol for the duration of the study and through the telephone follow up visit.
- History of allergies, intolerance or hypersensitivity to lactose or tofacitinib, or any other excipients of the investigational medicinal products, including placebos.
Trial locations and contacts
69 sites in 16 countries.
69 sites in 16 countries
United States19 sites
Center for Advanced Pediatrics
Atlanta, Georgia, 30329
Children's Healthcare of Atlanta - Arthur M. Blank Hospital
Atlanta, Georgia, 30329
Boston Children's Hospital
Boston, Massachusetts, 02115
Cincinnati Children's Hospital Medical Center
Cincinnati, Ohio, 45229
Connecticut Children's Ambulatory Surgical Center
Farmington, Connecticut, 06032
Connecticut Children's Infusion Center
Farmington, Connecticut, 06032
Connecticut Children's Medical Center
Hartford, Connecticut, 06106
Texas Children's Hospital - RRO Regulatory (Administrative Offices - Regulatory Location)
Houston, Texas, 77030
Texas Children's Hospital
Houston, Texas, 77030
Northwell Health - Cohen Children's Medical Center
Lake Success, New York, 11042
Children's Hospital Los Angeles
Los Angeles, California, 90027
Nicklaus Children's Hospital
Miami, Florida, 33155
Northwell Health - Cohen Children's Medical Center
New Hyde Park, New York, 11040
Buerger Center for Advanced Pediatric Care
Philadelphia, Pennsylvania, 19104
Children's Hospital of Philadelphia
Philadelphia, Pennsylvania, 19104
Roberts Center for Pediatric Research
Philadelphia, Pennsylvania, 19146
University of California, San Francisco Benioff Children's Hospital
San Francisco, California, 94158
University of California, San Francisco Pediatric Clinical Research Center (PCRC)
San Francisco, California, 94158
Seattle Children's Hospital
Seattle, Washington, 98105
Japan10 sites
Juntendo University Hospital
Bunkyo-ku, Tokyo, 113-8431
Osaka Women's and Children's Hospital
Izumi, Osaka, 594-1101
Kurume University Hospital
Kurume-shi, Fukuoka, 830-0011
Gunma University Hospital
Maebashi, Gunma, 371-8511
Aichi Children's Health and Medical Center
Obu-shi, Aichi-ken, 474-8710
Saitama Prefectural Children's Medical Center
Saitama-shi, Saitama, 330-8777
Miyagi Children's Hospital
Sendai, Miyagi, 989-3126
National Center for Child Health and Development
Setagaya-ku, Tokyo, 157-8535
Jichi Medical University Hospital
Shimotsuke, Tochigi, 329 0498
Osaka Medical and Pharmaceutical University Hospital
Takatsuki-shi, Osaka, 569-8686
Canada7 sites
Stollery Children's Hospital University of Alberta
Edmonton, Alberta, T6G 1C9
IWK Health Centre
Halifax, Nova Scotia, B3K 6R8
London Health Sciences Centre - Children's Hospital
London, Ontario, N6A 5W9
London Health Sciences Centre - Children's Hospital
London, Ontario, N6C2R5
CHU Sainte-Justine
Montreal, Quebec, H3T 1C5
The Hospital for Sick Children - Division of Gastroenterology, Hepatology and Nutrition
Toronto, Ontario, M5G 1X8
British Columbia Children's Hospital
Vancouver, British Columbia, V6H 3N1
Israel5 sites
Shamir Medical Center (Assaf Harofeh)
Be’er Ya‘aqov, 7033001
Lady Davis Carmel Medical Center
Haifa, 3436212
Shaare Zedek Medical Center
Jerusalem, 9103102
Schneider Children's Medical Center of Israel
Petah Tikva, 4920235
Tel-Aviv Sourasky Medical Center
Tel Aviv, 6423906
Poland5 sites
Instytut "Centrum Zdrowia Matki Polki"
Lodz, 93-338
Korczowski Bartosz, Gabinet Lekarski
Rzeszów, 35-302
Medical Network Spółka z o.o. WIP Warsaw IBD Point Profesor Kierkuś
Warsaw, Masovian Voivodeship, 04-501
Instytut "Pomnik - Centrum Zdrowia Dziecka"
Warsaw, 04-730
Uniwersytecki Szpital Kliniczny im. Jana Mikulicza-Radeckiego we Wroclawiu
Wroclaw, 50-369
Belgium4 sites
Hôpital Universitaire Des Enfants Reine Fabiola
Brussels, 1020
Universitair Ziekenhuis Brussel
Brussels, 1090
Cliniques Universitaires Saint-Luc
Brussels, 1200
Universitaire Ziekenhuizen Leuven
Leuven, Vlaams Brabant, 3000
Italy4 sites
ASST Papa Giovanni XXIII Epatologia e Gastroenterologia Pediatrica e dei Trapianti
Bergamo, BG, 24127
Azienda USL di Bologna - IRCCS ISNB - Programma Gastroenterologia Pediatrica
Bologna, 40133
A.O.U. Federico II
Naples, Naples, 80131
Azienda Ospedaliero - Universitaria Policlinico Umberto I di Roma
Roma, RM, 00161
Sweden3 sites
Sahlgrenska Universitetssjukhuset
Gothenburg, 416 50
Sachsska Children's and Youth Hospital/South General Hospital
Stockholm, 118 83
Karolinska Universitetssjukhuset Barngastroenterologi, hepatologi och nutrition
Stockholm, 171 76
United Kingdom3 sites
Birmingham Women's and Children's NHS Foundation Trust
Birmingham, WEST Midlands, B4 6NH
King's College Hospital NHS Foundation Trust
London, Greater London, SE5 9RS
Bart's Health NHS Trust
London, E1 1BB
France2 sites
CHU de Lyon - Hôpital Femme Mère Enfant
Bron, 69677
Hôpital Necker Enfants Malades
Paris, 75015
Netherlands2 sites
Amsterdam University Medical Center, VUmc Boelelaan
Amsterdam, North Holland, 1105 AZ
Erasmus Medical Center - Sophia Children's Hospital
Rotterdam, 3015 GD
Hungary1 site
Szegedi Tudomanyegyetem Szent-Gyorgyi Albert Klinikai Kozpont
Szeged, 6720
About this study
Official title: OPEN-LABEL INDUCTION AND MAINTENANCE STUDY OF ORAL CP-690,550 (TOFACITINIB) IN CHILDREN WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS
This study, A3921210 is designed to evaluate the efficacy, safety and pharmacokinetics (PK) of tofacitinib in pediatric participants with moderately to severely active UC. In the US and EU, patients with prior TNFi failure or intolerance will be enrolled. Outside of the US or EU, patients having had inadequate response or intolerance to oral or IV corticosteroids or azathioprine or 6-mercaptopurine or TNFi will be enrolled.
All eligible participants will initially receive open label tofacitinib at a dose expected to produce equivalent systemic exposure to that observed in adults receiving 5 mg BID with the option for individual dose increase to 10 mg BID adult dose equivalent if dose escalation criteria are met.
Read more
The primary objective of this study is to evaluate the efficacy of tofacitinib based on remission in pediatric participants with moderately to severely active UC. The primary endpoint is remission by central read Mayo score following 44 weeks in the maintenance phase. Remission is defined by a Mayo score of 2 points or lower, with no individual subscore exceeding 1 point and a rectal bleeding subscore of 0.
The study Design is an open-label Phase 3 study that includes a screening period of up to 4-weeks duration, an 8-week or 16-week induction phase, a 44-week maintenance phase, and a 24-month extension phase for pediatric participants with moderately to severely active UC. Participants will have a follow-up visit 4 weeks after the last dose of study intervention and a telephone contact 8 weeks later to assess for any adverse events (AEs)/serious adverse events (SAEs). The total maximum duration of this study will be up to 180 weeks.
- Conditions
- Ulcerative Colitis
- Being tested
- tofacitinib
- Keywords
- Ulcerative Colitis, Pediatric, Tofacitinib Oral, Mayo, PUCAI, Flare
- Medical subject headings
- Colitis, Ulcerative
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
tofacitinibDrug
Open label tofacitinib 5 mg BID weight based adult equivalent with the option for individual dose increase to 10 mg BID weight based adult equivalent for a limited time if dose escalation criteria are met, prior to returning to 5 mg BID.
| Study group | Role | What they receive |
|---|---|---|
| tofacitinib | Experimental | Open label tofacitinib 5 mg BID weight based adult equivalent with the option for individual dose increase to 10 mg BID weight based adult equivalent for a limited time if dose escalation criteria are met, prior to returning to 5 mg BID. Receives: Drug: tofacitinib |
What is being measured
The primary outcome is the main question the study is designed to answer.
Remission by central read Mayo score following 44 weeks in the maintenance phase.
Remission is defined by central endoscopy read Mayo score of 2 points or lower, with no individual subscore exceeding 1 point and a rectal bleeding subscore of 0.
The primary outcome Mayo score is the summation of 4 subscores as listed below :
- patient reported stool frequency (scored 0 to 3)
- patient reported rectal bleeding (scored 0 to 3)
- central read findings on endoscopy (scored 0 to 3)
- physician's global assessment (scored 0 to 3)
The Mayo score has a scale from 0 to 12 points, with the lower score indicating lower ulcerative colitis (UC) disease activity.
Measured: Outcome measured at the end of the 44 weeks of the maintenance phase.
Secondary outcomes (17)
Response by Mayo score
Response by Mayo score is defined by a decrease from baseline in Mayo score of at least 3 points and at least 30%, with an accompanying decrease in the subscore for rectal bleeding of at least 1 point or absolute subscore for rectal bleeding of 0 or 1.
Measured: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Remission by Mayo score
Remission by Mayo score with local and central endoscopy read (induction Week 8, induction Week 16), and with local endoscopy read only (maintenance week 44).
Measured: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Change from baseline in Mayo score.
Measured: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Response measured by Partial Mayo Score
Response is defined by a partial Mayo score decrease of 2 points or more from baseline. This score is based on the summation of the following subscores :
- stool frequency (scored 0 to 3)
- rectal bleeding (scored 0 to 3)
- physician global assessment (PGA) (scored 0 to 3)
The partial Mayo score has a scale from 0 to 9, with the lower score indicating lower ulcerative colitis (UC) disease activity.
Measured: Outcome measured through study completion, an average of 3 and a half years
Change from baseline in Partial Mayo score
Change in partial Mayo score. This score is the summation of 3 distinct dimensions as listed below :
- stool frequency (scored 0 to 3)
- rectal bleeding (scored 0 to 3)
- physician global assessment (PGA) (scored 0 to 3)
The partial Mayo score has a scale from 0 to 9, with the lower score indicating lower ulcerative colitis (UC) disease activity.
Measured: Outcome measured through study completion, an average of 3 and a half years
Response by PUCAI score
The Pediatric Ulcerative Colitis Activity Index (PUCAI) score is the summation of 6 dimensions that are all reported by the investigator. The PUCAI score varies from 0 to 85 points, with the lower score indicating lower ulcerative colitis (UC) disease activity. The 6 dimensions of the PUCAI score are as follows :
- abdominal pain
- rectal bleeding
- stool consistency of most stools
- number of stools per 24 hours
- nocturnal stools
- activity level
Response is defined by a PUCAI score decrease of 20 points or more.
Measured: Outcome measured through study completion, an average of 3 and a half years
Change from baseline in PUCAI score
The Pediatric Ulcerative Colitis Activity Index (PUCAI) score is the summation of 6 dimensions that are all reported by the investigator
- abdominal pain
- rectal bleeding
- stool consistency of most stools
- number of stools per 24 hours
- nocturnal stools
- activity level
The PUCAI score varies from 0 to 85 points, with the lower score indicating lower ulcerative colitis (UC) disease activity.
Measured: Outcome measured through study completion, an average of 3 and a half years
Percentage of Participants Achieving Endoscopic Improvement at Week 8, 16, and 44
Endoscopic improvement is defined by Mayo endoscopic sub-score of 0 or 1. The Mayo endoscopic sub-score is used to assess ulcerative colitis activity, and ranges from 0 to 3, and is based on the findings during endoscopy. A lower score is indicative of a lower ulcerative colitis (UC) disease activity.
Measured: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Time to flare
Measured: Outcome measured from 2 to 4 months in the study, through study completion, an average of 3 and a half years
Change from baseline in fecal calprotectin levels
Measured: Outcome measured through study completion, an average of 3 and a half years
Change from baseline in serum high sensitivity C-Reactive Protein (hsCRP) levels
Measured: Outcome measured through study completion, an average of 3 and a half years
Corticosteroid free remission by Partial Mayo Score
Remission is defined by a partial Mayo score of 2 points or lower, with no individual subscore exceeding 1 point and rectal bleeding subscore of 0.
The subscores of the partial Mayo score are:
- stool frequency (scored 0 to 3)
- rectal bleeding (scored 0 to 3)
- physician global assessment (PGA) (scored 0 to 3)
Measured: Outcome measured through study completion, an average of 3 and a half years
Average plasma concentration of tofacitinib (Cavg)
Measured: Outcome measured at baseline, induction Week 8, induction Week 16, maintenance Week 16, maintenance Week 44
Evaluation of taste acceptability of tofacitinib oral solution, and acceptability of film coated tablet by choosing one of 5 choices
Taste acceptability will be assessed by asking the participant to select one of 5 choices which most adequately reflects the participant's response to taste. Age appropriate tools (using wording and/or graphic facial expressions) will be used to assess taste acceptability.
Measured: Outcome measured at induction week 2
Peak (maximum) plasma concentration of tofacitinib (Cmax)
Measured: Outcome measured at baseline, induction Week 8, induction Week 16, maintenance Week 16, maintenance Week 44
Percentage of Participants Achieving Endoscopic Remission at Week 8, 16, and 44
Endoscopic remission is defined by a Mayo endoscopic subscore of 0, out of a maximum of 3 points.
The Mayo endoscopic sub-score is used to assess ulcerative colitis activity, and ranges from 0 to 3, and is based on the findings during endoscopy. A lower score is indicative of a lower ulcerative colitis (UC) disease activity.
Measured: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Remission by PUCAI score
The Pediatric Ulcerative Colitis Activity Index (PUCAI) score is the summation of 6 dimensions that are all reported by the investigator. The PUCAI score varies from 0 to 85 points, with the lower score indicating lower ulcerative colitis (UC) disease activity. The 6 dimensions of the PUCAI score are as follows :
- abdominal pain
- rectal bleeding
- stool consistency of most stools
- number of stools per 24 hours
- nocturnal stools
- activity level
Remission is defined by a PUCAI score of less than 10 points.
Measured: Outcome measured through study completion, an average of 3 and a half years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 Nov 2020
- Study start12 Aug 2021
- Primary completion17 Mar 2027 (estimated)
- Study completion6 Jun 2029 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (7)Papers the sponsor has linked to this study.
- Other trials for Ulcerative ColitisStudies of the same condition, open and under way.
- More trials run by PfizerThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Sequential
- Model description
- Single Group
- Masking
- None (open label)
- Enrolment
- 118 participants (actual)
Sponsor and investigators
- Lead sponsor
- Pfizer
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Pfizer CT.gov Call Center, Study director, Pfizer
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04624230
- Sponsor's protocol ID
- A3921210
- Other IDs
- 2018-002378-30, OVATION, 2023-509694-22-00, 2023, 2018
- Status last verified
- Jul 2026
- First submitted
- 26 Oct 2020
- Last updated
- 3 Aug 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.
Publications
Benchimol EI, Bernstein CN, Bitton A, Carroll MW, Singh H, Otley AR, Vutcovici M, El-Matary W, Nguyen GC, Griffiths AM, Mack DR, Jacobson K, Mojaverian N, Tanyingoh D, Cui Y, Nugent ZJ, Coulombe J, Targownik LE, Jones JL, Leddin D, Murthy SK, Kaplan GG. Trends in Epidemiology of Pediatric Inflammatory Bowel Disease in Canada: Distributed Network Analysis of Multiple Population-Based Provincial Health Administrative Databases. Am J Gastroenterol. 2017 Jul;112(7):1120-1134. doi: 10.1038/ajg.2017.97. Epub 2017 Apr 18.
PubMed 28417994Konstantinides SV, Meyer G, Becattini C, Bueno H, Geersing GJ, Harjola VP, Huisman MV, Humbert M, Jennings CS, Jimenez D, Kucher N, Lang IM, Lankeit M, Lorusso R, Mazzolai L, Meneveau N, Ni Ainle F, Prandoni P, Pruszczyk P, Righini M, Torbicki A, Van Belle E, Zamorano JL; ESC Scientific Document Group. 2019 ESC Guidelines for the diagnosis and management of acute pulmonary embolism developed in collaboration with the European Respiratory Society (ERS). Eur Heart J. 2020 Jan 21;41(4):543-603. doi: 10.1093/eurheartj/ehz405. No abstract available.
PubMed 31504429Kelsen JR, Sullivan KE, Rabizadeh S, Singh N, Snapper S, Elkadri A, Grossman AB. North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition Position Paper on the Evaluation and Management for Patients With Very Early-onset Inflammatory Bowel Disease. J Pediatr Gastroenterol Nutr. 2020 Mar;70(3):389-403. doi: 10.1097/MPG.0000000000002567.
PubMed 32079889Turner D, Otley AR, Mack D, Hyams J, de Bruijne J, Uusoue K, Walters TD, Zachos M, Mamula P, Beaton DE, Steinhart AH, Griffiths AM. Development, validation, and evaluation of a pediatric ulcerative colitis activity index: a prospective multicenter study. Gastroenterology. 2007 Aug;133(2):423-32. doi: 10.1053/j.gastro.2007.05.029. Epub 2007 May 21.
PubMed 17681163Otley A, Smith C, Nicholas D, Munk M, Avolio J, Sherman PM, Griffiths AM. The IMPACT questionnaire: a valid measure of health-related quality of life in pediatric inflammatory bowel disease. J Pediatr Gastroenterol Nutr. 2002 Oct;35(4):557-63. doi: 10.1097/00005176-200210000-00018.
PubMed 12394384Marcovitch L, Nissan A, Mack D, Otley A, Hussey S, Mclean B, Lewis M, Croft N, Barakat FM, Griffiths AM, Turner D. Item Generation and Reduction Toward Developing a Patient-reported Outcome for Pediatric Ulcerative Colitis (TUMMY-UC). J Pediatr Gastroenterol Nutr. 2017 Mar;64(3):373-377. doi: 10.1097/MPG.0000000000001259.
PubMed 27159210Taylor SJ, Whincup PH, Hindmarsh PC, Lampe F, Odoki K, Cook DG. Performance of a new pubertal self-assessment questionnaire: a preliminary study. Paediatr Perinat Epidemiol. 2001 Jan;15(1):88-94. doi: 10.1046/j.1365-3016.2001.00317.x.
PubMed 11237120
Study at a glance
From the registry record, last updated by the sponsor on 3 Aug 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- OPEN-LABEL INDUCTION AND MAINTENANCE STUDY OF ORAL CP-690,550 (TOFACITINIB) IN CHILDREN WITH MODERATELY TO SEVERELY ACTIVE ULCERATIVE COLITIS
- ClinicalTrials.gov ID
- NCT04624230
- Acronym / sponsor ID
- A3921210
- Conditions
- Ulcerative Colitis
- Keywords
- Ulcerative Colitis, Pediatric, Tofacitinib Oral, Mayo, PUCAI, Flare
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Active, not recruiting
- Enrolment
- 118 participants (actual)
- Lead sponsor
- PfizerIndustry (pharma, biotech, devices)
- Study start
- 12 Aug 2021 (actual)
- Primary completion
- 17 Mar 2027 (estimated)
- Study completion
- 6 Jun 2029 (estimated)
- First posted
- 10 Nov 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study, A3921210 is designed to evaluate the efficacy, safety and pharmacokinetics (PK) of tofacitinib in pediatric participants with moderately to severely active UC. In the US and EU, patients with prior TNFi failure or intolerance will be enrolled. Outside of the US or EU, patients having had inadequate response or intolerance to oral or IV corticosteroids or azathioprine or 6-mercaptopurine or TNFi will be enrolled.
All eligible participants will initially receive open label tofacitinib at a dose expected to produce equivalent systemic exposure to that observed in adults receiving 5 mg BID with the option for individual dose increase to 10 mg BID adult dose equivalent if dose escalation criteria are met.
The primary objective of this study is to evaluate the efficacy of tofacitinib based on remission in pediatric participants with moderately to severely active UC. The primary endpoint is remission by central read Mayo score following 44 weeks in the maintenance phase. Remission is defined by a Mayo score of 2 points or lower, with no individual subscore exceeding 1 point and a rectal bleeding subscore of 0.
The study Design is an open-label Phase 3 study that includes a screening period of up to 4-weeks duration, an 8-week or 16-week induction phase, a 44-week maintenance phase, and a 24-month extension phase for pediatric participants with moderately to severely active UC. Participants will have a follow-up visit 4 weeks after the last dose of study intervention and a telephone contact 8 weeks later to assess for any adverse events (AEs)/serious adverse events (SAEs). The total maximum duration of this study will be up to 180 weeks.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Sequential
- Masking
- None (open label)
- Number of arms
- 1
- Model description
- Single Group
| Arm | Type | Receives |
|---|---|---|
| tofacitinib | Experimental | Drug: tofacitinibOpen label tofacitinib 5 mg BID weight based adult equivalent with the option for individual dose increase to 10 mg BID weight based adult equivalent for a limited time if dose escalation criteria are met, prior to returning to 5 mg BID. |
Who may qualify
- Ages
- 2 to 17 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Key inclusion criteria (17 listed)
- Evidence of a personally signed and dated informed consent document and assent document.
- Males and females 2 to less than18 years old and weighing at least 10 kg.
- Having a pathology report that confirms colonic inflammation consistent with UC with a clinical diagnosis of UC for at least 12 weeks prior to baseline, with biopsy report supporting the diagnosis of UC.
- Participants diagnosed with UC at age less than 6 years old, must have had testing and be negative for monogenic disorders associated with very early onset IBD.
- Moderately to severely active UC as defined (via screening colonoscopy) by a Mayo score of at least 6, with a rectal bleeding score of at least 1 and an endoscopic subscore of at least 2.
Key exclusion criteria (29 listed)
- Diagnosis of indeterminate colitis, isolated proctitis, microscopic colitis, infectious colitis, Crohn's disease, or clinical findings suggestive of Crohn's disease.
- History of symptomatic obstructive intestinal strictures or active ostomy, or history of colectomy, extensive small bowel resection ( greater than100 centimetres) or short bowel syndrome, or hospitalization for UC related reason(s) within 2 weeks of baseline visit.
- Any factors or clinical characteristics potentially related to the risk of venous thromboembolism that may increase the risk associated with study participation or study intervention administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the participant inappropriate for entry into this study.
- Participants who have previously received tofacitinib or another Janus Kinase inhibitor.
- Vaccination or exposure to a live or attenuated vaccine within the 6 weeks prior to the first dose of study drug, or who are expected to be vaccinated or to have household exposure to these vaccines during treatment or during the 6 weeks following discontinuation of study drug.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| tofacitinibOpen label tofacitinib 5 mg BID weight based adult equivalent with the option for individual dose increase to 10 mg BID weight based adult equivalent for a limited time if dose escalation criteria are met, prior to returning to 5 mg BID. | Drug | tofacitinib |
Primary outcome
Remission by central read Mayo score following 44 weeks in the maintenance phase.
Time frame: Outcome measured at the end of the 44 weeks of the maintenance phase.
Remission is defined by central endoscopy read Mayo score of 2 points or lower, with no individual subscore exceeding 1 point and a rectal bleeding subscore of 0. The primary outcome Mayo score is the summation of 4 subscores as listed below : * patient reported stool frequency (scored 0 to 3) * patient reported rectal bleeding (scored 0 to 3) * central read findings on endoscopy (scored 0 to 3) * physician's global assessment (scored 0 to 3) The Mayo score has a scale from 0 to 12 points, with the lower score indicating lower ulcerative colitis (UC) disease activity.
17 secondary outcomes
Response by Mayo score
Time frame: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Remission by Mayo score
Time frame: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Change from baseline in Mayo score.
Time frame: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Response measured by Partial Mayo Score
Time frame: Outcome measured through study completion, an average of 3 and a half years
Change from baseline in Partial Mayo score
Time frame: Outcome measured through study completion, an average of 3 and a half years
Response by PUCAI score
Time frame: Outcome measured through study completion, an average of 3 and a half years
Change from baseline in PUCAI score
Time frame: Outcome measured through study completion, an average of 3 and a half years
Percentage of Participants Achieving Endoscopic Improvement at Week 8, 16, and 44
Time frame: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Time to flare
Time frame: Outcome measured from 2 to 4 months in the study, through study completion, an average of 3 and a half years
Change from baseline in fecal calprotectin levels
Time frame: Outcome measured through study completion, an average of 3 and a half years
Change from baseline in serum high sensitivity C-Reactive Protein (hsCRP) levels
Time frame: Outcome measured through study completion, an average of 3 and a half years
Corticosteroid free remission by Partial Mayo Score
Time frame: Outcome measured through study completion, an average of 3 and a half years
Average plasma concentration of tofacitinib (Cavg)
Time frame: Outcome measured at baseline, induction Week 8, induction Week 16, maintenance Week 16, maintenance Week 44
Evaluation of taste acceptability of tofacitinib oral solution, and acceptability of film coated tablet by choosing one of 5 choices
Time frame: Outcome measured at induction week 2
Peak (maximum) plasma concentration of tofacitinib (Cmax)
Time frame: Outcome measured at baseline, induction Week 8, induction Week 16, maintenance Week 16, maintenance Week 44
Percentage of Participants Achieving Endoscopic Remission at Week 8, 16, and 44
Time frame: Outcome measured at induction Week 8, induction Week 16, and maintenance Week 44
Remission by PUCAI score
Time frame: Outcome measured through study completion, an average of 3 and a half years
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 3 Aug 2026.
- Results publication: PubMed 28417994Benchimol EI, Bernstein CN, Bitton A, Carroll MW, Singh H, Otley AR, Vutcovici M, El-Matary W, Nguyen GC, Griffiths AM, Mack DR, Jacobson K, Mojaverian N, Tanyingoh D, Cui Y, Nugent ZJ, Coulombe J, Targownik LE, Jones JL, Leddin D, Murthy SK, Kaplan GG. Trends in Epidemiology of Pediatric Inflammatory Bowel Disease in Canada: Distributed Network Analysis of Multiple Population-Based Provincial Health Administrative Databases. Am J Gastroenterol. 2017 Jul;112(7):1120-1134. doi: 10.1038/ajg.2017.97. Epub 2017 Apr 18.
- Results publication: PubMed 31504429Konstantinides SV, Meyer G, Becattini C, Bueno H, Geersing GJ, Harjola VP, Huisman MV, Humbert M, Jennings CS, Jimenez D, Kucher N, Lang IM, Lankeit M, Lorusso R, Mazzolai L, Meneveau N, Ni Ainle F, Prandoni P, Pruszczyk P, Righini M, Torbicki A, Van Belle E, Zamorano JL; ESC Scientific Document Group. 2019 ESC Guidelines for the diagnosis and management of acute pulmonary embolism developed in collaboration with the European Respiratory Society (ERS). Eur Heart J. 2020 Jan 21;41(4):543-603. doi: 10.1093/eurheartj/ehz405. No abstract available.
- Results publication: PubMed 32079889Kelsen JR, Sullivan KE, Rabizadeh S, Singh N, Snapper S, Elkadri A, Grossman AB. North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition Position Paper on the Evaluation and Management for Patients With Very Early-onset Inflammatory Bowel Disease. J Pediatr Gastroenterol Nutr. 2020 Mar;70(3):389-403. doi: 10.1097/MPG.0000000000002567.
- Results publication: PubMed 17681163Turner D, Otley AR, Mack D, Hyams J, de Bruijne J, Uusoue K, Walters TD, Zachos M, Mamula P, Beaton DE, Steinhart AH, Griffiths AM. Development, validation, and evaluation of a pediatric ulcerative colitis activity index: a prospective multicenter study. Gastroenterology. 2007 Aug;133(2):423-32. doi: 10.1053/j.gastro.2007.05.029. Epub 2007 May 21.
- Results publication: PubMed 12394384Otley A, Smith C, Nicholas D, Munk M, Avolio J, Sherman PM, Griffiths AM. The IMPACT questionnaire: a valid measure of health-related quality of life in pediatric inflammatory bowel disease. J Pediatr Gastroenterol Nutr. 2002 Oct;35(4):557-63. doi: 10.1097/00005176-200210000-00018.
- Results publication: PubMed 27159210Marcovitch L, Nissan A, Mack D, Otley A, Hussey S, Mclean B, Lewis M, Croft N, Barakat FM, Griffiths AM, Turner D. Item Generation and Reduction Toward Developing a Patient-reported Outcome for Pediatric Ulcerative Colitis (TUMMY-UC). J Pediatr Gastroenterol Nutr. 2017 Mar;64(3):373-377. doi: 10.1097/MPG.0000000000001259.
- Results publication: PubMed 11237120Taylor SJ, Whincup PH, Hindmarsh PC, Lampe F, Odoki K, Cook DG. Performance of a new pubertal self-assessment questionnaire: a preliminary study. Paediatr Perinat Epidemiol. 2001 Jan;15(1):88-94. doi: 10.1046/j.1365-3016.2001.00317.x.
- To obtain contact information for a study center near you, click here.Link provided by the sponsor.
- Individual participant dataSharing planned: Yes. Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Pfizer CT.gov Call Center study director
Pfizer
69 sites in 16 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing tofacitinib in people with Ulcerative Colitis, run by Pfizer at 69 sites in 16 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 17 inclusion and 29 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 3 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 69 sites in United States, Japan, Canada, Israel, Poland and 11 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Remission by central read Mayo score following 44 weeks in the maintenance phase. (time frame: Outcome measured at the end of the 44 weeks of the maintenance phase.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04624230, which also lists 7 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Aug 2026.