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TGCT can be a lifelong condition with long-term impacts resulting from both the disease and treatments1-3

TGCT can have a major impact on quality of life (QOL) and physical function2

Symptoms commonly reported by patients included:

  • An elbow experiencing pain
    OVER 90%
    HAD PAIN4*
    457 out of 497 patients
  • A leg showing range of motion
    85% HAD LIMITED
    RANGE OF MOTION (ROM)4*
    423 out of 497 patients

*Results from an international, observational, prospective registry of 497 patients initiated in 2022 by TGCT Support, a program of The Life Raft Group.4

Persistent disease may cause cartilage destruction and bone erosion, in addition to functional limitations from the tumor mass, resulting in long‑term pain and joint dysfunction.5

In a multicenter, retrospective cohort study including 45 patients with diffuse TGCT who did not have osteoarthritis at baseline6:

  • A joint experiencing stiffness
    18% DEVELOPED RADIOLOGICAL SIGNS OF JOINT DEGENERATION68 out of 45 patients

While surgical resection is considered the standard of care, it is not always curative2,7

Up to72%Recurrence
rate
has been reported after
resection in diffuse TGCT4

  • There are risks and limitations associated with TGCT surgical resection3,7
  • Repeated surgical resections can lead to increased morbidity, including acceleration of secondary osteoarthritis, permanent joint damage, and other lifelong consequences3,7

Repeated surgeries and multiple recurrences can turn TGCT into a chronic, lifelong condition.1,2

Historically, there have been few
systemic TGCT treatment options8

Systemic treatment options for TGCT8-12
NilotinibImatinibPexidartinib
Approved
for TGCT

No

No

FDA-approved for the treatment of adult patients with symptomatic TGCT associated with severe morbidity or functional limitations and not amenable to improvement with surgery
MOA

Small molecule kinase inhibitor targeting

BCR‑ABL, KIT, PDGFR, CSF1R, and DDR1

Small molecule kinase inhibitor targeting

BCR‑ABL, KIT, and PDGFR

Small molecule kinase inhibitor targeting

CSF1R, KIT, and FLT3‑ITD

Study
design
Phase 2 study in TGCTRetrospective, multicenter study in TGCTPhase 3 study in TGCT

BCR‑ABL=breakpoint cluster region‑Abelson; CSF1R=colony‑stimulating factor 1 receptor; DDR1=discoidin domain receptor tyrosine kinase; FLT3‑ITD=FMS‑like tyrosine kinase 3 internal tandem duplication; KIT=KIT proto‑oncogene receptor tyrosine kinase; PDGFR=platelet‑derived growth factor receptor; TGCT=tenosynovial giant cell tumor.

Patients with TGCT require long‑term treatment and need therapeutic options that can improve the symptoms of TGCT... with manageable toxicity profiles.”13

  • Gelderblom H, et al. Lancet. 2024.

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References: 1. Stacchiotti S, Durr HR, Schaefer IM, et al. Best clinical management of tenosynovial giant cell tumour (TGCT): a consensus paper from a community of experts. Cancer Treat Rev. 2023;112:102491. 2. Bernthal NM, Spierenburg G, Healey JH, et al. The diffuse-type tenosynovial giant cell tumor (dt-TGCT) patient journey: a prospective multicenter study. Orphanet J Rare Dis. 2021;16(1):191. 3. Verspoor FGM, Mastboom MJL, Hannink RG, et al. Long-term efficacy of imatinib mesylate in patients with advanced tenosynovial giant cell tumor. Sci Rep. 2019;9(1):14551. 4. Data on file. Deciphera Pharmaceuticals, Inc; 2025. 5. Tap WD, Gelderblom H, Palmerinia E. Pexidartinib versus placebo for advanced tenosynovial giant cell tumour (ENLIVEN): a randomized phase 3 trial. Lancet. 2019;394:478-487. 6. Spierenburg G, Staals EL, Palmerini E, et al. Active surveillance of diffuse-type tenosynovial giant cell tumors: A retrospective, multicenter cohort study. Eur J Surg Oncol. 2024;50(2):107953. 7. Lin F, Kwong WJ, Shi S, Pivneva I, Wu EQ, Abraham JA. Surgical treatment patterns, healthcare resource utilization, and economic burden in patients with tenosynovial giant cell tumor who underwent joint surgery in the United States. J Health Econ Outcomes Res. 2022;9(1):68-74. 8. Wytiaz V, Siegel G, Chugh R. Emerging therapeutics in the management of tenosynovial giant cell tumor (TGCT). Expert Rev Anticancer Ther. 2024;24(12):1229-1236. 9. Brahmi M, Vinceneux A, Cassier PA. Current systemic treatment options for tenosynovial giant cell tumor/pigmented villonodular synovitis: targeting the CSF1/CSF1R axis. Curr Treat Options Oncol. 2016;17(2):10. 10. Tasigna [package insert]. East Hanover, NJ: Novartis Pharmaceuticals, Corp; 2024. 11. Gleevec [package insert]. East Hanover, NJ: Novartis Pharmaceuticals, Corp; 2024. 12. TURALIO [package insert]. Basking Ridge, NJ: Daiichi Sankyo, Inc; 2025. 13. Gelderblom H, Bhadri V, Stacchiotti S, et al. Vimseltinib versus placebo for tenosynovial giant cell tumour (MOTION): a multicentre, randomised, double-blind, placebo-controlled, phase 3 trial. Lancet. 2024;403(10445):2709-2719.
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