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Carfilzomib, lenalidomide, dexamethasone, and cyclophosphamide (KRdc) as induction therapy for transplant-eligible, newly diagnosed multiple myeloma patients (Myeloma XI+): Interim analysis of an open-label randomised controlled trial

Jackson, Graham H; Pawlyn, Charlotte; Cairns, David A; de Tute, Ruth M; Hockaday, Anna; Collett, Corinne; Jones, John R; Kishore, Bhuvan; Garg, Mamta; Williams, Cathy D; Karunanithi, Kamaraj; Lindsay, Jindriska; Rocci, Alberto; Snowden, John A; Jenner, Matthew W; Cook, Gordon; Russell, Nigel H; Drayson, Mark T; Gregory, Walter M; Kaiser, Martin F; Owen, Roger G; Davies, Faith E; Morgan, Gareth J
BACKGROUND:Carfilzomib is a second-generation irreversible proteasome inhibitor that is efficacious in the treatment of myeloma and carries less risk of peripheral neuropathy than first-generation proteasome inhibitors, making it more amenable to combination therapy. METHODS AND FINDINGS/RESULTS:The Myeloma XI+ trial recruited patients from 88 sites across the UK between 5 December 2013 and 20 April 2016. Patients with newly diagnosed multiple myeloma eligible for transplantation were randomly assigned to receive the combination carfilzomib, lenalidomide, dexamethasone, and cyclophosphamide (KRdc) or a triplet of lenalidomide, dexamethasone, and cyclophosphamide (Rdc) or thalidomide, dexamethasone, and cyclophosphamide (Tdc). All patients were planned to receive an autologous stem cell transplantation (ASCT) prior to a randomisation between lenalidomide maintenance and observation. Eligible patients were aged over 18 years and had symptomatic myeloma. The co-primary endpoints for the study were progression-free survival (PFS) and overall survival (OS) for KRdc versus the Tdc/Rdc control group by intention to treat. PFS, response, and safety outcomes are reported following a planned interim analysis. The trial is registered (ISRCTN49407852) and has completed recruitment. In total, 1,056 patients (median age 61 years, range 33 to 75, 39.1% female) underwent induction randomisation to KRdc (n = 526) or control (Tdc/Rdc, n = 530). After a median follow-up of 34.5 months, KRdc was associated with a significantly longer PFS than the triplet control group (hazard ratio 0.63, 95% CI 0.51-0.76). The median PFS for patients receiving KRdc is not yet estimable, versus 36.2 months for the triplet control group (p < 0.001). Improved PFS was consistent across subgroups of patients including those with genetically high-risk disease. At the end of induction, the percentage of patients achieving at least a very good partial response was 82.3% in the KRdc group versus 58.9% in the control group (odds ratio 4.35, 95% CI 3.19-5.94, p < 0.001). Minimal residual disease negativity (cutoff 4 × 10-5 bone marrow leucocytes) was achieved in 55% of patients tested in the KRdc group at the end of induction, increasing to 75% of those tested after ASCT. The most common adverse events were haematological, with a low incidence of cardiac events. The trial continues to follow up patients to the co-primary endpoint of OS and for planned long-term follow-up analysis. Limitations of the study include a lack of blinding to treatment regimen and that the triplet control regimen did not include a proteasome inhibitor for all patients, which would be considered a current standard of care in many parts of the world. CONCLUSIONS:The KRdc combination was well tolerated and was associated with both an increased percentage of patients achieving at least a very good partial response and a significant PFS benefit compared to immunomodulatory-agent-based triplet therapy. TRIAL REGISTRATION/BACKGROUND:ClinicalTrials.gov ISRCTN49407852.
PMCID:7799846
PMID: 33428632
ISSN: 1549-1676
CID: 4771112

Targeting both BET and CBP/EP300 proteins with the novel dual inhibitors NEO2734 and NEO1132 leads to anti-tumor activity in multiple myeloma

Ryan, Katie R; Giles, Francis; Morgan, Gareth J
OBJECTIVES/OBJECTIVE:Two promising epigenetic therapeutic targets have emerged for the treatment of hematologic malignancies, BET and CBP/EP300 proteins. Several studies have shown that targeting these individual classes of proteins has anti-tumor activity in multiple myeloma (MM), as well as other cancers. Here, we present the first data exploring the anti-tumor activity of two novel dual inhibitors, NEO2734 and NEO1132, of both BET and CBP/EP300 proteins in MM. METHODS:Sixteen MM cell lines (MMCLs) were treated with the dual inhibitors NEO2734 and NEO1132, the single BET inhibitors JQ1, OTX015, IBET-762, and IBET-151, and a single CBP/EP300 inhibitor CPI-637. RESULTS:The dual inhibitor NEO2734 showed strong anti-tumor activity and was consistently highly active against all MMCLs, being as potent as JQ1 and more so than other single inhibitors. NEO2734 and NEO11132 induced a significant G1 cell cycle arrest and decreased c-MYC and IRF4 protein levels in MMCLs compared to the other single inhibitors. Sensitivity to the dual inhibitors was not dependent on a specific MM molecular subgroup but correlated with c-MYC protein expression levels. CONCLUSIONS:The dual inhibition of BET and CBP/EP300 has potential therapeutic benefits for patients with MM.
PMID: 32997383
ISSN: 1600-0609
CID: 4650452

Multiomic Mapping of Copy Number and Structural Variation on Chromosome 1 (Chr1) Highlights Multiple Recurrent Disease Drivers [Meeting Abstract]

Blaney, Patrick; Boyle, Eileen M.; Wang, Yubao; Ghamlouch, Hussein; Choi, Jinyoung; Williams, Louis; James, Stoeckle; Siegel, Ariel; Razzo, Beatrice; Braunstein, Marc; Kaminetzky, David; Arbini, Arnaldo A.; Bruno, Benedetto; Corre, Jill; Montes, Lydia; Auclair, Daniel; Davies, Faith E.; Tsirigos, Aristotelis; Rustad, Even H.; Maura, Francesco; Landgren, Ola; Bauer, Michael A.; Walker, Brian; Morgan, Gareth
ISI:000736398803021
ISSN: 0006-4971
CID: 5389172

Unifying the Definition of High-Risk in Multiple Myeloma [Meeting Abstract]

Siegel, Ariel; Boyle, Eileen M.; Blaney, Patrick; Wang, Yubao; Ghamlouch, Hussein; Choi, Jinyoung; Caro, Jessica; Williams, Louis; Razzo, Beatrice; Arbini, Arnaldo A.; Braunstein, Marc; Kaminetzky, David; Auclair, Daniel; Pawlyn, Charlotte; Cairns, David; Jackson, Graham; Walker, Brian; Bruno, Benedetto; Morgan, Gareth J.; Davies, Faith E.
ISI:000736413903013
ISSN: 0006-4971
CID: 5389182

The evolving role and utility of off-label drug use in multiple myeloma

Stoeckle, James H; Davies, Faith E; Williams, Louis; Boyle, Eileen M; Morgan, Gareth J
The treatment landscape for multiple myeloma (MM) has dramatically changed over the last three decades, moving from no US Food and Drug Administration approvals and two active drug classes to over 19 drug approvals and at least eight different active classes. The advances seen in MM therapy have relied on both a structured approach to obtaining new labels and cautious off-label drug use. Although there are country and regional differences in drug approval processes, many of the basic principles behind off-label drug use in MM can be summarized into four main categories: 1) use of a therapy prior to the current approval regulations; 2) widespread use of a therapy following the release of promising clinical trial results but prior to drug approval; 3) use of a cheap therapy supported by clinical safety and efficacy data but without commercial backing; and 4) niche therapies for small well-defined patient populations where large clinical trials with sufficient power may be difficult to perform. This review takes a historical approach to discuss how off-label drug use has helped to shape the current treatment approach for MM.
PMCID:9400732
PMID: 36046752
ISSN: 2692-3114
CID: 5387612

Hispanic or Latin American Ancestry Is Associated with a Similar Genomic Profile and a Trend Toward Inferior Outcomes in Newly Diagnosed Multiple Myeloma As Compared to Non-Hispanic White Patients in the Multiple Myeloma Research Foundation (MMRF) CoMMpassstudy [Meeting Abstract]

Williams, Louis; Blaney, Patrick; Boyle, Eileen M.; Ghamlouch, Hussein; Wang, Yubao; Choi, Jinyoung; Bauer, Michael A.; Siegel, Ariel; Stoeckle, James; Razzo, Beatrice; Auclair, Daniel; Kaminetzky, David; Braunstein, Marc; Bruno, Benedetto; Arbini, Arnaldo A.; Walker, Brian A.; Davies, Faith E.; Morgan, Gareth J.
ISI:000835740100118
ISSN: 0006-4971
CID: 5389192

Improving prognostic assignment in older age groups of multiple myeloma [Meeting Abstract]

Boyle, E. M.; Litke, R. R.; Blaney, P.; Ashby, T. C.; Bauer, M.; Walker, B.; Ghamlouch, H.; Choi, J.; Perrial, E.; Wang, Y.; Caro, J.; Stoeckle, J.; Arbini, A.; Kaminetsky, D.; Braunstein, M.; Bruno, B.; Razzo, B.; Maclachlan, K.; Maura, E.; Landgren, C. O.; Williams, L.; Fegan, C.; Keats, J.; Davies, F. E.; Morgan, G. J.
ISI:000635723900566
ISSN: 0002-8614
CID: 5389142

Autologous stem cell transplantation is safe and effective for fit older myeloma patients: exploratory results from the Myeloma XI trial

Pawlyn, Charlotte; Cairns, David; Menzies, Tom; Jones, John; Jenner, Matthew; Cook, Gordon; Boyd, Kevin; Drayson, Mark; Kaiser, Martin; Owen, Roger; Gregory, Walter; Morgan, Gareth; Jackson, Graham; Davies, Faith
Autologous stem cell transplant (ASCT) remains standard of care for consolidation after induction therapy for eligible newly diagnosed myeloma patients. In recent clinical trials comparing ASCT to delayed ASCT, patients aged over 65 were excluded. In real-world practice stem cell transplants are not restricted to those aged under 65 and clinicians decide on transplant eligibility based on patient fitness rather than a strict age cut off. Data from the UK NCRI Myeloma XI trial, a large phase III randomised controlled trial with pathways for transplant-eligible (TE) and ineligible (TNE) patients, was used in an exploratory analysis to examine the efficacy and toxicity of ASCT in older patients including analysis using an agematched population to compare outcomes for patients receiving similar induction therapy with or without ASCT. Older patients within the TE pathway were less likely to undergo stem cell harvest at the end of induction than younger patients and of those patients undergoing ASCT there was a reduction in PFS associated with increasing age. ASCT in older patients was well tolerated with no difference in morbidity or mortality between patients aged.
PMID: 33297668
ISSN: 1592-8721
CID: 4734942

Renal outcome in patients with newly diagnosed multiple myeloma: results from the UK NCRI Myeloma XI trial

Rana, Ritika; Cockwell, Paul; Drayson, Mark; Cook, Mark; Pratt, Guy; Cairns, David A; Pawlyn, Charlotte; Jackson, Graham; Davies, Faith; Morgan, Gareth; Pinney, Jennifer Helen
Renal injury is a common complication of multiple myeloma (MM) and is associated with adverse outcome. Despite this, the natural history of renal injury in patients with MM remains uncertain especially in the context of intensive therapy and novel therapies. To address the lack of data, we evaluated the renal function of 2334 patients from the UK National Cancer Research Institute Myeloma XI trial at baseline and at 12 months to assess renal function over time and the factors associated with change. Patients who had severe acute kidney injury or a requirement for dialysis were excluded. At 12 months of the 1450 evaluable patients planned for autologous transplantation; 204 (14%) patients had a decline in estimated glomerular filtration rate (eGFR) ≥25% from baseline, 341 (23.5%) had an improvement and 905 (62%) had no significant change in eGFR. Renal outcome at 12 months for the 884 evaluable patients who were not planned for transplant was similar. Improved renal function was more likely if patients were <70 years old, male, had an average eGFR <60 mL per minute per 1.73 m2 and a higher baseline free light chain level >1000 mg/L, and/or a free light chain response of >90%. It did not correlate with monoclonal-protein response, transplantation, or use of a bortezomib-based regimen. We show that with current therapies the proportion of patients who have a significant decline in renal function in the first 12 months is small. The greatest relative improvement in eGFR is seen in patients with high free light chain at baseline and a high light chain response. This trial was registered at http://www.isrctn.com as #49407852.
PMCID:7686889
PMID: 33232472
ISSN: 2473-9537
CID: 4698582

Bone marrow microenvironments that contribute to patient outcomes in newly diagnosed multiple myeloma: A cohort study of patients in the Total Therapy clinical trials

Danziger, Samuel A; McConnell, Mark; Gockley, Jake; Young, Mary H; Rosenthal, Adam; Schmitz, Frank; Reiss, David J; Farmer, Phil; Alapat, Daisy V; Singh, Amrit; Ashby, Cody; Bauer, Michael; Ren, Yan; Smith, Kelsie; Couto, Suzana S; van Rhee, Frits; Davies, Faith; Zangari, Maurizio; Petty, Nathan; Orlowski, Robert Z; Dhodapkar, Madhav V; Copeland, Wilbert B; Fox, Brian; Hoering, Antje; Fitch, Alison; Newhall, Katie; Barlogie, Bart; Trotter, Matthew W B; Hershberg, Robert M; Walker, Brian A; Dervan, Andrew P; Ratushny, Alexander V; Morgan, Gareth J
BACKGROUND:The tumor microenvironment (TME) is increasingly appreciated as an important determinant of cancer outcome, including in multiple myeloma (MM). However, most myeloma microenvironment studies have been based on bone marrow (BM) aspirates, which often do not fully reflect the cellular content of BM tissue itself. To address this limitation in myeloma research, we systematically characterized the whole bone marrow (WBM) microenvironment during premalignant, baseline, on treatment, and post-treatment phases. METHODS AND FINDINGS/RESULTS:Between 2004 and 2019, 998 BM samples were taken from 436 patients with newly diagnosed MM (NDMM) at the University of Arkansas for Medical Sciences in Little Rock, Arkansas, United States of America. These patients were 61% male and 39% female, 89% White, 8% Black, and 3% other/refused, with a mean age of 58 years. Using WBM and matched cluster of differentiation (CD)138-selected tumor gene expression to control for tumor burden, we identified a subgroup of patients with an adverse TME associated with 17 fewer months of progression-free survival (PFS) (95% confidence interval [CI] 5-29, 49-69 versus 70-82 months, χ2 p = 0.001) and 15 fewer months of overall survival (OS; 95% CI -1 to 31, 92-120 versus 113-129 months, χ2 p = 0.036). Using immunohistochemistry-validated computational tools that identify distinct cell types from bulk gene expression, we showed that the adverse outcome was correlated with elevated CD8+ T cell and reduced granulocytic cell proportions. This microenvironment develops during the progression of premalignant to malignant disease and becomes less prevalent after therapy, in which it is associated with improved outcomes. In patients with quantified International Staging System (ISS) stage and 70-gene Prognostic Risk Score (GEP-70) scores, taking the microenvironment into consideration would have identified an additional 40 out of 290 patients (14%, premutation p = 0.001) with significantly worse outcomes (PFS, 95% CI 6-36, 49-73 versus 74-90 months) who were not identified by existing clinical (ISS stage III) and tumor (GEP-70) criteria as high risk. The main limitations of this study are that it relies on computationally identified cell types and that patients were treated with thalidomide rather than current therapies. CONCLUSIONS:In this study, we observe that granulocyte signatures in the MM TME contribute to a more accurate prognosis. This implies that future researchers and clinicians treating patients should quantify TME components, in particular monocytes and granulocytes, which are often ignored in microenvironment studies.
PMCID:7641353
PMID: 33147277
ISSN: 1549-1676
CID: 4709792