Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My Custom Filters

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

14 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Publication Date timeline is not available.
Page 1
A meta-research study of randomized controlled trials found infrequent and delayed availability of protocols.
Schönenberger CM, Griessbach A, Taji Heravi A, Gryaznov D, Gloy VL, Lohner S, Klatte K, Ghosh N, Lee H, Mansouri A, Marian IR, Saccilotto R, Nury E, Busse JW, von Niederhäusern B, Mertz D, Blümle A, Odutayo A, Hopewell S, Speich B, Briel M. Schönenberger CM, et al. Among authors: taji heravi a. J Clin Epidemiol. 2022 Sep;149:45-52. doi: 10.1016/j.jclinepi.2022.05.014. Epub 2022 May 30. J Clin Epidemiol. 2022. PMID: 35654268 Free article.
A meta-research study revealed several challenges in obtaining placebos for investigator-initiated drug trials.
Speich B, Logullo P, Deuster S, Marian IR, Moschandreas J, Taji Heravi A, Gloy V, Briel M, Hopewell S; MAking Randomized Trials Affordable (MARTA) Group. Speich B, et al. Among authors: taji heravi a. J Clin Epidemiol. 2021 Mar;131:70-78. doi: 10.1016/j.jclinepi.2020.11.007. Epub 2020 Nov 24. J Clin Epidemiol. 2021. PMID: 33242608 Free article.
Reliability of Trial Information Across Registries for Trials With Multiple Registrations: A Systematic Review.
Speich B, Gloy VL, Klatte K, Gryaznov D, Taji Heravi A, Ghosh N, Marian IR, Lee H, Mansouri A, Lohner S, Saccilotto R, Nury E, Chan AW, Blümle A, Odutayo A, Hopewell S, Briel M; Adherence to Spirit Recommendations (ASPIRE) Study Group. Speich B, et al. Among authors: taji heravi a. JAMA Netw Open. 2021 Nov 1;4(11):e2128898. doi: 10.1001/jamanetworkopen.2021.28898. JAMA Netw Open. 2021. PMID: 34724557 Free PMC article.
Nonregistration, discontinuation, and nonpublication of randomized trials: A repeated metaresearch analysis.
Speich B, Gryaznov D, Busse JW, Gloy VL, Lohner S, Klatte K, Taji Heravi A, Ghosh N, Lee H, Mansouri A, Marian IR, Saccilotto R, Nury E, Kasenda B, Ojeda-Ruiz E, Schandelmaier S, Tomonaga Y, Amstutz A, Pauli-Magnus C, Bischoff K, Wollmann K, Rehner L, Meerpohl JJ, Nordmann A, Wong J, Chow N, Hong PJ, Mc Cord-De Iaco K, Sricharoenchai S, Agarwal A, Schwenkglenks M, Hemkens LG, von Elm E, Copsey B, Griessbach AN, Schönenberger C, Mertz D, Blümle A, von Niederhäusern B, Hopewell S, Odutayo A, Briel M. Speich B, et al. Among authors: taji heravi a. PLoS Med. 2022 Apr 27;19(4):e1003980. doi: 10.1371/journal.pmed.1003980. eCollection 2022 Apr. PLoS Med. 2022. PMID: 35476675 Free PMC article.
Reporting quality of clinical trial protocols: a repeated cross-sectional study about the Adherence to SPIrit Recommendations in Switzerland, CAnada and GErmany (ASPIRE-SCAGE).
Gryaznov D, von Niederhäusern B, Speich B, Kasenda B, Ojeda-Ruiz E, Blümle A, Schandelmaier S, Mertz D, Odutayo A, Tomonaga Y, Amstutz A, Pauli-Magnus C, Gloy V, Lohner S, Bischoff K, Wollmann K, Rehner L, Meerpohl JJ, Nordmann A, Klatte K, Ghosh N, Taji Heravi A, Wong J, Chow N, Hong P, McCord-De Iaco KA, Sricharoenchai S, Busse JW, Agarwal A, Saccilotto R, Schwenkglenks M, Moffa G, Hemkens L, Hopewell S, Von Elm E, Briel M. Gryaznov D, et al. Among authors: taji heravi a. BMJ Open. 2022 May 24;12(5):e053417. doi: 10.1136/bmjopen-2021-053417. BMJ Open. 2022. PMID: 35613804 Free PMC article.
Resource use and costs of investigator-sponsored randomized clinical trials in Switzerland, Germany, and the United Kingdom: a metaresearch study.
Griessbach A, Speich B, Amstutz A, Hausheer L, Covino M, Wnfried Ramirez H, Schandelmaier S, Taji Heravi A, Treweek S, Schwenkglenks M, Briel M; MAking Randomized Trials Affordable (MARTA) Group. Griessbach A, et al. Among authors: taji heravi a. J Clin Epidemiol. 2024 Dec;176:111536. doi: 10.1016/j.jclinepi.2024.111536. Epub 2024 Sep 21. J Clin Epidemiol. 2024. PMID: 39307405 Free article.
Characteristics, Progression, and Output of Randomized Platform Trials: A Systematic Review.
Griessbach A, Schönenberger CM, Taji Heravi A, Gloy V, Agarwal A, Hallenberger TJ, Schandelmaier S, Janiaud P, Amstutz A, Covino M, Mall D, Speich B, Briel M. Griessbach A, et al. Among authors: taji heravi a. JAMA Netw Open. 2024 Mar 4;7(3):e243109. doi: 10.1001/jamanetworkopen.2024.3109. JAMA Netw Open. 2024. PMID: 38506807 Free PMC article.
14 results